SoundX.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title "SoundX"
Date "2023-08-19"
Rev "1git"
Comp "SukkoPera"
Comment1 "Inspired by the C64 Sound Expander"
Comment2 ""
Comment3 "Licensed under CC BY-NC-SA 4.0"
Comment4 ""
$EndDescr
Wire Wire Line
	5975 5995 5605 5995
Wire Wire Line
	5975 6095 5605 6095
Wire Wire Line
	7475 6195 7845 6195
Wire Wire Line
	7475 6095 7845 6095
Wire Wire Line
	7475 5995 7845 5995
Wire Wire Line
	7475 5895 7845 5895
Wire Wire Line
	7475 5795 7845 5795
Wire Wire Line
	7475 5695 7845 5695
Entry Wire Line
	5505 5895 5605 5995
Entry Wire Line
	5505 5995 5605 6095
Entry Wire Line
	7945 6295 7845 6195
Entry Wire Line
	7945 6195 7845 6095
Entry Wire Line
	7945 6095 7845 5995
Entry Wire Line
	7945 5995 7845 5895
Entry Wire Line
	7945 5895 7845 5795
Entry Wire Line
	7945 5795 7845 5695
Text Label 5605 5995 0    50   ~ 0
d0
Text Label 5605 6095 0    50   ~ 0
d1
Text Label 7845 6195 2    50   ~ 0
d2
Text Label 7845 6095 2    50   ~ 0
d3
Text Label 7845 5995 2    50   ~ 0
d4
Text Label 7845 5895 2    50   ~ 0
d5
Text Label 7845 5795 2    50   ~ 0
d6
Text Label 7845 5695 2    50   ~ 0
d7
Wire Bus Line
	5505 5895 5095 5895
Wire Wire Line
	5975 5195 5585 5195
$Comp
L C16-Exp-Port:C16-Exp-Port CN?
U 1 1 656D203A
P 2355 2365
AR Path="/6568A2D0/656D203A" Ref="CN?"  Part="1" 
AR Path="/656D203A" Ref="CN1"  Part="1" 
F 0 "CN1" H 2355 3930 50  0000 C CNN
F 1 "EDGE_CONN" H 2355 3839 50  0000 C CNN
F 2 "SoundX:C16_Cart_Conn" H 2355 715 50  0001 C CNN
F 3 "DOCUMENTATION" H 2355 615 50  0001 C CNN
F 4 "-" H 2355 2365 50  0001 C CNN "MouserPN"
F 5 "COMMON" H 2355 2365 50  0001 C CNN "Notes"
	1    2355 2365
	1    0    0    -1  
$EndComp
Wire Wire Line
	1605 1165 1520 1165
Wire Wire Line
	1520 1165 1520 3565
$Comp
L power:GND #PWR?
U 1 1 656D2042
P 1520 3885
AR Path="/6568A2D0/656D2042" Ref="#PWR?"  Part="1" 
AR Path="/656D2042" Ref="#PWR0102"  Part="1" 
F 0 "#PWR0102" H 1520 3635 50  0001 C CNN
F 1 "GND" H 1525 3712 50  0000 C CNN
F 2 "" H 1520 3885 50  0001 C CNN
F 3 "" H 1520 3885 50  0001 C CNN
	1    1520 3885
	1    0    0    -1  
$EndComp
Wire Wire Line
	1605 3565 1520 3565
Connection ~ 1520 3565
Wire Wire Line
	1520 3565 1520 3885
Wire Wire Line
	3105 1165 3190 1165
Wire Wire Line
	3190 1165 3190 3565
$Comp
L power:GND #PWR?
U 1 1 656D204D
P 3190 3885
AR Path="/6568A2D0/656D204D" Ref="#PWR?"  Part="1" 
AR Path="/656D204D" Ref="#PWR0103"  Part="1" 
F 0 "#PWR0103" H 3190 3635 50  0001 C CNN
F 1 "GND" H 3195 3712 50  0000 C CNN
F 2 "" H 3190 3885 50  0001 C CNN
F 3 "" H 3190 3885 50  0001 C CNN
	1    3190 3885
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3105 3565 3190 3565
Connection ~ 3190 3565
Wire Wire Line
	3190 3565 3190 3885
Wire Wire Line
	1605 1265 1105 1265
Wire Wire Line
	1105 1265 1105 1160
Wire Wire Line
	1605 1365 1105 1365
Wire Wire Line
	1105 1365 1105 1265
Connection ~ 1105 1265
$Comp
L power:+5V #PWR?
U 1 1 656D205B
P 1105 885
AR Path="/6568A2D0/656D205B" Ref="#PWR?"  Part="1" 
AR Path="/656D205B" Ref="#PWR0104"  Part="1" 
F 0 "#PWR0104" H 1105 735 50  0001 C CNN
F 1 "+5V" H 1120 1058 50  0000 C CNN
F 2 "" H 1105 885 50  0001 C CNN
F 3 "" H 1105 885 50  0001 C CNN
	1    1105 885 
	1    0    0    -1  
$EndComp
Wire Wire Line
	1605 2465 1105 2465
Wire Wire Line
	1605 2565 1105 2565
Wire Wire Line
	1605 2665 1105 2665
Wire Wire Line
	1605 2765 1105 2765
Wire Wire Line
	1605 2865 1105 2865
Wire Wire Line
	1605 2965 1105 2965
Wire Wire Line
	1605 3065 1105 3065
Wire Wire Line
	1605 3165 1105 3165
Entry Wire Line
	1005 3265 1105 3165
Entry Wire Line
	1005 3165 1105 3065
Entry Wire Line
	1005 3065 1105 2965
Entry Wire Line
	1005 2965 1105 2865
Entry Wire Line
	1005 2865 1105 2765
Entry Wire Line
	1005 2765 1105 2665
Entry Wire Line
	1005 2665 1105 2565
Entry Wire Line
	1005 2565 1105 2465
Wire Bus Line
	1005 3265 660  3265
Text Label 660  3265 0    50   ~ 0
d[0..7]
Text Label 1105 2465 0    50   ~ 0
d7
Text Label 1105 2565 0    50   ~ 0
d6
Text Label 1105 2665 0    50   ~ 0
d5
Text Label 1105 2765 0    50   ~ 0
d4
Text Label 1105 2865 0    50   ~ 0
d3
Text Label 1105 2965 0    50   ~ 0
d2
Text Label 1105 3065 0    50   ~ 0
d1
Text Label 1105 3165 0    50   ~ 0
d0
Wire Wire Line
	1605 3365 1105 3365
Wire Wire Line
	1605 3465 1105 3465
Text Label 1105 3365 0    50   ~ 0
ext_audio
Text Label 1105 3465 0    50   ~ 0
phi2
Wire Wire Line
	1605 1565 1105 1565
Text Label 1105 1565 0    50   ~ 0
r_~w
Wire Wire Line
	3105 1665 3435 1665
Wire Wire Line
	3105 1365 3435 1365
Text Label 3435 1365 2    50   ~ 0
~reset
Wire Wire Line
	3105 1765 3435 1765
Wire Wire Line
	3105 1865 3435 1865
Wire Wire Line
	3105 1965 3435 1965
Wire Wire Line
	3105 2065 3435 2065
Wire Wire Line
	3105 2165 3435 2165
Wire Wire Line
	3105 2265 3435 2265
Wire Wire Line
	3105 2365 3435 2365
Wire Wire Line
	3105 2465 3435 2465
Wire Wire Line
	3105 2565 3435 2565
Wire Wire Line
	3105 2665 3435 2665
Wire Wire Line
	3105 2765 3435 2765
Wire Wire Line
	3105 2865 3435 2865
Wire Wire Line
	3105 2965 3435 2965
Wire Wire Line
	3105 3065 3435 3065
Wire Wire Line
	3105 3165 3435 3165
Text Label 3435 1665 2    50   ~ 0
a15
Text Label 3435 1765 2    50   ~ 0
a14
Text Label 3435 1865 2    50   ~ 0
a13
Text Label 3435 1965 2    50   ~ 0
a12
Text Label 3435 2065 2    50   ~ 0
a11
Text Label 3435 2165 2    50   ~ 0
a10
Text Label 3435 2265 2    50   ~ 0
a9
Text Label 3435 2365 2    50   ~ 0
a8
Text Label 3435 2465 2    50   ~ 0
a7
Text Label 3435 2565 2    50   ~ 0
a6
Text Label 3435 2665 2    50   ~ 0
a5
Text Label 3435 2765 2    50   ~ 0
a4
Text Label 3435 2865 2    50   ~ 0
a3
Text Label 3435 2965 2    50   ~ 0
a2
Text Label 3435 3065 2    50   ~ 0
a1
Text Label 3435 3165 2    50   ~ 0
a0
Text Label 5095 5895 0    50   ~ 0
d[0..7]
Text Notes 13045 1270 0    50   ~ 0
CHIP-SELECT GENERATION\n(INSPIRED BY SOLDER'S SIDCARD)
$Comp
L Logic_Programmable:PAL20L8 U?
U 1 1 657CC05B
P 13665 2585
AR Path="/6579482E/657CC05B" Ref="U?"  Part="1" 
AR Path="/657CC05B" Ref="U1"  Part="1" 
F 0 "U1" H 13885 3390 50  0000 C CNN
F 1 "GAL20V8" H 13885 1875 50  0000 C CNN
F 2 "Package_DIP:DIP-24_W7.62mm_Socket_LongPads" H 13665 2585 50  0001 C CNN
F 3 "" H 13665 2585 50  0001 C CNN
F 4 "COMMON" H 13665 2585 50  0001 C CNN "Notes"
F 5 "556-AF22LV10CQZ-30PU" H 13665 2585 50  0001 C CNN "MouserPN"
	1    13665 2585
	1    0    0    -1  
$EndComp
Wire Wire Line
	13665 3385 13665 3460
$Comp
L power:GND #PWR?
U 1 1 657CC062
P 13665 3460
AR Path="/6579482E/657CC062" Ref="#PWR?"  Part="1" 
AR Path="/657CC062" Ref="#PWR0106"  Part="1" 
F 0 "#PWR0106" H 13665 3210 50  0001 C CNN
F 1 "GND" H 13670 3287 50  0000 C CNN
F 2 "" H 13665 3460 50  0001 C CNN
F 3 "" H 13665 3460 50  0001 C CNN
	1    13665 3460
	1    0    0    -1  
$EndComp
Wire Wire Line
	13665 1685 13665 1575
$Comp
L power:+5V #PWR?
U 1 1 657CC069
P 13665 1575
AR Path="/6579482E/657CC069" Ref="#PWR?"  Part="1" 
AR Path="/657CC069" Ref="#PWR0107"  Part="1" 
F 0 "#PWR0107" H 13665 1425 50  0001 C CNN
F 1 "+5V" H 13680 1748 50  0000 C CNN
F 2 "" H 13665 1575 50  0001 C CNN
F 3 "" H 13665 1575 50  0001 C CNN
	1    13665 1575
	1    0    0    -1  
$EndComp
Wire Wire Line
	13165 2685 12665 2685
Wire Wire Line
	13165 2585 12665 2585
Wire Wire Line
	13165 2485 12665 2485
Wire Wire Line
	13165 2385 12665 2385
Wire Wire Line
	13165 2285 12665 2285
Wire Wire Line
	13165 2185 12665 2185
Wire Wire Line
	13165 2085 12665 2085
Wire Wire Line
	13165 1985 12665 1985
Wire Wire Line
	13165 1885 12665 1885
Entry Wire Line
	12565 2585 12665 2685
Entry Wire Line
	12565 2485 12665 2585
Entry Wire Line
	12565 2385 12665 2485
Entry Wire Line
	12565 2285 12665 2385
Entry Wire Line
	12565 2185 12665 2285
Entry Wire Line
	12565 2085 12665 2185
Entry Wire Line
	12565 1985 12665 2085
Entry Wire Line
	12565 1885 12665 1985
Entry Wire Line
	12565 1785 12665 1885
Text Label 12665 2685 0    50   ~ 0
a4
Text Label 12665 2585 0    50   ~ 0
a6
Text Label 12665 2485 0    50   ~ 0
a8
Text Label 12665 2385 0    50   ~ 0
a10
Text Label 12665 2285 0    50   ~ 0
a11
Text Label 12665 2185 0    50   ~ 0
a12
Text Label 12665 2085 0    50   ~ 0
a13
Text Label 12665 1985 0    50   ~ 0
a14
Text Label 12665 1885 0    50   ~ 0
a15
Wire Wire Line
	13165 2885 12665 2885
Wire Wire Line
	13165 2785 12665 2785
Entry Wire Line
	12565 2785 12665 2885
Entry Wire Line
	12565 2685 12665 2785
Text Label 12665 2885 0    50   ~ 0
a0
Text Label 12665 2785 0    50   ~ 0
a2
Wire Wire Line
	13165 3085 12665 3085
Text Label 12665 2985 0    50   ~ 0
phi2
Wire Wire Line
	14665 2485 14165 2485
Wire Wire Line
	14665 2385 14165 2385
Text Label 12665 3085 0    50   ~ 0
a1
Wire Wire Line
	13165 3185 12665 3185
Wire Wire Line
	14165 2085 14665 2085
Wire Wire Line
	14165 1985 14665 1985
Text Label 12065 1785 0    50   ~ 0
address_bus
Wire Bus Line
	12560 1785 12065 1785
Text Notes 13725 3415 0    50   ~ 0
OR GAL22V16
Wire Wire Line
	14165 2185 14665 2185
Text Label 14665 2385 2    50   ~ 0
a5
Text Label 14665 2285 2    50   ~ 0
a7
Wire Wire Line
	14165 2285 14665 2285
Wire Wire Line
	14165 2585 14665 2585
Entry Wire Line
	14665 2185 14765 2285
Entry Wire Line
	14665 2285 14765 2385
Entry Wire Line
	14665 2385 14765 2485
Entry Wire Line
	14665 2485 14765 2585
Wire Bus Line
	14765 3725 12565 3725
Text Label 14660 2485 2    50   ~ 0
a3
Text Notes 13850 4930 0    50   ~ 0
AUDIO IS CONNECTED TO EXT_AUDIO,\nUNLESS A JACK IS INSERTED
$Comp
L Connector:AudioJack3_SwitchTR CN?
U 1 1 65838344
P 14230 5595
AR Path="/6579482E/65838344" Ref="CN?"  Part="1" 
AR Path="/65838344" Ref="CN2"  Part="1" 
F 0 "CN2" H 13950 5428 50  0000 R CNN
F 1 "RAW_AUDIO_OUT" H 13950 5519 50  0000 R CNN
F 2 "SoundX:AudioJack_SJ1-3525N" H 14230 5595 50  0001 C CNN
F 3 "~" H 14230 5595 50  0001 C CNN
F 4 "490-SJ1-3525N" H 14230 5595 50  0001 C CNN "MouserPN"
F 5 "AUDIO_OUT" H 14230 5595 50  0001 C CNN "Value"
F 6 "OPL" H 14230 5595 50  0001 C CNN "Notes"
	1    14230 5595
	-1   0    0    1   
$EndComp
Wire Wire Line
	13915 5695 13915 5980
Wire Wire Line
	14030 5695 13915 5695
$Comp
L power:GND #PWR?
U 1 1 65838352
P 13915 5980
AR Path="/6579482E/65838352" Ref="#PWR?"  Part="1" 
AR Path="/65838352" Ref="#PWR0115"  Part="1" 
F 0 "#PWR0115" H 13915 5730 50  0001 C CNN
F 1 "GND" H 13920 5807 50  0000 C CNN
F 2 "" H 13915 5980 50  0001 C CNN
F 3 "" H 13915 5980 50  0001 C CNN
	1    13915 5980
	-1   0    0    -1  
$EndComp
$Comp
L void:Void V?
U 1 1 6585022A
P 15210 9705
AR Path="/6579482E/6585022A" Ref="V?"  Part="1" 
AR Path="/6585022A" Ref="V1"  Part="1" 
F 0 "V1" H 15288 9751 50  0000 L CNN
F 1 "LOGO" H 15288 9660 50  0000 L CNN
F 2 "SoundX:logo" H 15210 9705 50  0001 C CNN
F 3 "" H 15210 9705 50  0001 C CNN
F 4 "-" H 15210 9705 50  0001 C CNN "MouserPN"
F 5 "-" H 15210 9705 50  0001 C CNN "Notes"
	1    15210 9705
	1    0    0    -1  
$EndComp
$Comp
L void:Void V?
U 1 1 65850231
P 15210 9480
AR Path="/6579482E/65850231" Ref="V?"  Part="1" 
AR Path="/65850231" Ref="V0"  Part="1" 
F 0 "V0" H 15288 9526 50  0000 L CNN
F 1 "CC-BY-NC-SA" H 15288 9435 50  0000 L CNN
F 2 "SoundX:cc_by_nc_sa" H 15210 9480 50  0001 C CNN
F 3 "" H 15210 9480 50  0001 C CNN
F 4 "-" H 15210 9480 50  0001 C CNN "MouserPN"
F 5 "-" H 15210 9480 50  0001 C CNN "Notes"
	1    15210 9480
	1    0    0    -1  
$EndComp
$Comp
L Device:C C9
U 1 1 6587E7B1
P 2925 10370
F 0 "C9" H 3040 10416 50  0000 L CNN
F 1 "100n" H 3040 10325 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 2963 10220 50  0001 C CNN
F 3 "~" H 2925 10370 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 2925 10370 50  0001 C CNN "MouserPN"
F 5 "OPL" H 2925 10370 50  0001 C CNN "Notes"
	1    2925 10370
	1    0    0    -1  
$EndComp
$Comp
L Device:CP1 C8
U 1 1 6587E7BB
P 2475 10370
F 0 "C8" H 2590 10416 50  0000 L CNN
F 1 "100u" H 2590 10325 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" H 2475 10370 50  0001 C CNN
F 3 "~" H 2475 10370 50  0001 C CNN
F 4 "710-860020573008" H 2475 10370 50  0001 C CNN "MouserPN"
F 5 "COMMON" H 2475 10370 50  0001 C CNN "Notes"
	1    2475 10370
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 65916A51
P 2830 7330
F 0 "#PWR0122" H 2830 7080 50  0001 C CNN
F 1 "GND" H 2835 7157 50  0000 C CNN
F 2 "" H 2830 7330 50  0001 C CNN
F 3 "" H 2830 7330 50  0001 C CNN
	1    2830 7330
	1    0    0    -1  
$EndComp
Wire Wire Line
	3130 6945 3215 6945
Wire Wire Line
	2830 6645 2830 6370
$Comp
L power:+5V #PWR0123
U 1 1 65916A59
P 2830 6060
F 0 "#PWR0123" H 2830 5910 50  0001 C CNN
F 1 "+5V" H 2845 6233 50  0000 C CNN
F 2 "" H 2830 6060 50  0001 C CNN
F 3 "" H 2830 6060 50  0001 C CNN
	1    2830 6060
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 65916A66
P 1445 6945
AR Path="/61DC2D70/65916A66" Ref="C?"  Part="1" 
AR Path="/61ECF96C/65916A66" Ref="C?"  Part="1" 
AR Path="/658C5BA3/65916A66" Ref="C?"  Part="1" 
AR Path="/65916A66" Ref="C7"  Part="1" 
F 0 "C7" H 1560 6991 50  0000 L CNN
F 1 "100n" H 1560 6900 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 1483 6795 50  0001 C CNN
F 3 "~" H 1445 6945 50  0001 C CNN
F 4 "OPL" H 1445 6945 50  0001 C CNN "Notes"
F 5 "810-FG28X7R1H104KNT0" H 1445 6945 50  0001 C CNN "MouserPN"
	1    1445 6945
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 65916A6C
P 1905 6945
AR Path="/61DC2D70/65916A6C" Ref="C?"  Part="1" 
AR Path="/61ECF96C/65916A6C" Ref="C?"  Part="1" 
AR Path="/658C5BA3/65916A6C" Ref="C?"  Part="1" 
AR Path="/65916A6C" Ref="C4"  Part="1" 
F 0 "C4" H 2020 6991 50  0000 L CNN
F 1 "10n" H 2020 6900 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 1943 6795 50  0001 C CNN
F 3 "~" H 1905 6945 50  0001 C CNN
F 4 "OPL" H 1905 6945 50  0001 C CNN "Notes"
	1    1905 6945
	1    0    0    -1  
$EndComp
Wire Wire Line
	1905 6795 1905 6370
Wire Wire Line
	1905 6370 2830 6370
Connection ~ 2830 6370
Wire Wire Line
	2830 6370 2830 6330
Wire Wire Line
	1905 6370 1445 6370
Wire Wire Line
	1445 6370 1445 6795
Connection ~ 1905 6370
Wire Wire Line
	2830 7245 2830 7285
Wire Wire Line
	2830 7285 2330 7285
Wire Wire Line
	1445 7285 1445 7095
Connection ~ 2830 7285
Wire Wire Line
	2830 7285 2830 7330
Wire Wire Line
	1905 7095 1905 7285
Connection ~ 1905 7285
Wire Wire Line
	1905 7285 1445 7285
$Comp
L Device:Ferrite_Bead_Small FB?
U 1 1 65916A82
P 3845 6945
AR Path="/658C5BA3/65916A82" Ref="FB?"  Part="1" 
AR Path="/65916A82" Ref="FB3"  Part="1" 
F 0 "FB3" V 3700 6945 50  0000 C CNN
F 1 "FERRITE" H 3945 6900 50  0001 L CNN
F 2 "Inductor_THT:L_Radial_D6.0mm_P4.00mm" V 3775 6945 50  0001 C CNN
F 3 "~" H 3845 6945 50  0001 C CNN
F 4 "875-28C0236-0EW-10" H 3845 6945 50  0001 C CNN "MouserPN"
F 5 "OPL" H 3845 6945 50  0001 C CNN "Notes"
	1    3845 6945
	0    1    1    0   
$EndComp
Wire Wire Line
	3515 6945 3745 6945
$Comp
L Device:R R7
U 1 1 65916A89
P 3365 6945
F 0 "R7" V 3572 6945 50  0000 C CNN
F 1 "47" V 3481 6945 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 3295 6945 50  0001 C CNN
F 3 "~" H 3365 6945 50  0001 C CNN
F 4 "OPL" H 3365 6945 50  0001 C CNN "Notes"
	1    3365 6945
	0    -1   -1   0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB2
U 1 1 65916A90
P 2830 6230
F 0 "FB2" H 2730 6230 50  0000 R CNN
F 1 "FERRITE" H 2930 6185 50  0001 L CNN
F 2 "Inductor_THT:L_Radial_D6.0mm_P4.00mm" V 2760 6230 50  0001 C CNN
F 3 "~" H 2830 6230 50  0001 C CNN
F 4 "875-28C0236-0EW-10" H 2830 6230 50  0001 C CNN "MouserPN"
F 5 "OPL" H 2830 6230 50  0001 C CNN "Notes"
	1    2830 6230
	-1   0    0    1   
$EndComp
Wire Wire Line
	2830 6130 2830 6060
$Comp
L Jumper:Jumper_2_Open JP1
U 1 1 65916A98
P 2330 6935
F 0 "JP1" V 1875 7005 50  0000 R CNN
F 1 "JMP_OSC_PIN1" V 1960 7210 50  0000 R CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 2330 6935 50  0001 C CNN
F 3 "~" H 2330 6935 50  0001 C CNN
F 4 "OPL" H 2330 6935 50  0001 C CNN "Notes"
F 5 "-" H 2330 6935 50  0001 C CNN "MouserPN"
	1    2330 6935
	0    -1   1    0   
$EndComp
Wire Wire Line
	2530 6945 2435 6945
Wire Wire Line
	2435 6945 2435 6630
Wire Wire Line
	2435 6630 2330 6630
Wire Wire Line
	2330 6630 2330 6735
Wire Wire Line
	2330 7135 2330 7285
Connection ~ 2330 7285
Wire Wire Line
	2330 7285 1905 7285
Text Notes 2655 7705 2    50   ~ 0
SOME OSCILLATORS NEED\nPIN 1 GROUNDED, OTHERS\nGET DISABLED THAT WAY,\nSO DO WHAT YOU GOTTA DO
$Comp
L Oscillator:CXO_DIP14 Y?
U 1 1 65916A60
P 2830 6945
AR Path="/658C5BA3/65916A60" Ref="Y?"  Part="1" 
AR Path="/65916A60" Ref="Y1"  Part="1" 
F 0 "Y1" H 2915 6700 50  0000 L CNN
F 1 "3.579545 MHz" H 2910 6615 50  0000 L CNN
F 2 "SoundX:Oscillator_DIP-8+14" H 3280 6595 50  0001 C CNN
F 3 "http://cdn-reichelt.de/documents/datenblatt/B400/OSZI.pdf" H 2730 6945 50  0001 C CNN
F 4 "774-MXO45-3C-16.0" H 2830 6945 50  0001 C CNN "MouserPN"
F 5 "OPL" H 2830 6945 50  0001 C CNN "Notes"
	1    2830 6945
	1    0    0    -1  
$EndComp
Text Label 4325 6945 2    50   ~ 0
clock
NoConn ~ 1605 1665
NoConn ~ 1605 1865
NoConn ~ 1605 1965
NoConn ~ 1605 2065
NoConn ~ 1605 2165
NoConn ~ 1605 2365
NoConn ~ 1605 3265
NoConn ~ 3105 1265
NoConn ~ 3105 1465
NoConn ~ 3105 1565
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 65E2BBDC
P 2830 6370
F 0 "#FLG0101" H 2830 6445 50  0001 C CNN
F 1 "PWR_FLAG" V 2830 6498 50  0000 L CNN
F 2 "" H 2830 6370 50  0001 C CNN
F 3 "~" H 2830 6370 50  0001 C CNN
	1    2830 6370
	0    1    1    0   
$EndComp
Text Notes 2550 5615 0    50   ~ 0
CLOCK GENERATOR
Wire Wire Line
	1890 10095 1890 10220
Wire Wire Line
	1890 10520 1890 10645
$Comp
L power:GND #PWR0119
U 1 1 6587E7E3
P 1890 10645
F 0 "#PWR0119" H 1890 10395 50  0001 C CNN
F 1 "GND" H 1895 10472 50  0000 C CNN
F 2 "" H 1890 10645 50  0001 C CNN
F 3 "" H 1890 10645 50  0001 C CNN
	1    1890 10645
	-1   0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0118
U 1 1 6587E7DD
P 1890 10095
F 0 "#PWR0118" H 1890 9945 50  0001 C CNN
F 1 "+5V" H 1905 10268 50  0000 C CNN
F 2 "" H 1890 10095 50  0001 C CNN
F 3 "" H 1890 10095 50  0001 C CNN
	1    1890 10095
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 6587E7D7
P 1890 10370
F 0 "C3" H 2005 10416 50  0000 L CNN
F 1 "100n" H 2005 10325 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 1928 10220 50  0001 C CNN
F 3 "~" H 1890 10370 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 1890 10370 50  0001 C CNN "MouserPN"
F 5 "OPL" H 1890 10370 50  0001 C CNN "Notes"
	1    1890 10370
	1    0    0    -1  
$EndComp
Wire Wire Line
	12665 2985 13165 2985
$Comp
L YM3526:YM3526 U3
U 1 1 68E06BFC
P 6725 5645
F 0 "U3" H 6725 6560 50  0000 C CNN
F 1 "YM3526" H 6725 6469 50  0000 C CNN
F 2 "Package_DIP:DIP-24_W15.24mm_Socket_LongPads" H 6725 5645 50  0001 C CNN
F 3 "DOCUMENTATION" H 6725 5645 50  0001 C CNN
F 4 "OPL" H 6725 5645 50  0001 C CNN "Notes"
	1    6725 5645
	1    0    0    -1  
$EndComp
$Comp
L YM3014:YM3014 U6
U 1 1 68E1869B
P 9155 5245
F 0 "U6" H 9155 5760 50  0000 C CNN
F 1 "YM3014" H 9155 5669 50  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 9155 5245 50  0001 C CNN
F 3 "DOCUMENTATION" H 9155 5245 50  0001 C CNN
F 4 "OPL" H 9155 5245 50  0001 C CNN "Notes"
	1    9155 5245
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM324 U7
U 1 1 68E1A2BB
P 9035 6270
F 0 "U7" H 9035 6637 50  0000 C CNN
F 1 "LM324" H 9035 6546 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 8985 6370 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2902-n.pdf" H 9085 6470 50  0001 C CNN
F 4 "OPL" H 9035 6270 50  0001 C CNN "Notes"
F 5 "595-LM324N" H 9035 6270 50  0001 C CNN "MouserPN"
	1    9035 6270
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM324 U7
U 2 1 68E1CE77
P 12585 5395
F 0 "U7" H 12585 5670 50  0000 C CNN
F 1 "LM324" H 12585 5761 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 12535 5495 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2902-n.pdf" H 12635 5595 50  0001 C CNN
F 4 "OPL" H 12585 5395 50  0001 C CNN "Notes"
F 5 "595-LM324N" H 12585 5395 50  0001 C CNN "MouserPN"
	2    12585 5395
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:LM324 U7
U 3 1 68E1E5C6
P 10900 6370
F 0 "U7" H 10900 6015 50  0000 C CNN
F 1 "LM324" H 10900 5920 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 10850 6470 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2902-n.pdf" H 10950 6570 50  0001 C CNN
F 4 "OPL" H 10900 6370 50  0001 C CNN "Notes"
F 5 "595-LM324N" H 10900 6370 50  0001 C CNN "MouserPN"
	3    10900 6370
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM324 U7
U 4 1 68E1FE85
P 11100 5295
F 0 "U7" H 11100 5662 50  0000 C CNN
F 1 "LM324" H 11100 5571 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 11050 5395 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2902-n.pdf" H 11150 5495 50  0001 C CNN
F 4 "OPL" H 11100 5295 50  0001 C CNN "Notes"
F 5 "595-LM324N" H 11100 5295 50  0001 C CNN "MouserPN"
	4    11100 5295
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM324 U7
U 5 1 68E212D8
P 3590 10355
F 0 "U7" H 3548 10401 50  0000 L CNN
F 1 "LM324" H 3548 10310 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 3540 10455 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2902-n.pdf" H 3640 10555 50  0001 C CNN
F 4 "OPL" H 3590 10355 50  0001 C CNN "Notes"
F 5 "595-LM324N" H 3590 10355 50  0001 C CNN "MouserPN"
	5    3590 10355
	1    0    0    -1  
$EndComp
NoConn ~ 1605 1765
Wire Wire Line
	1605 1465 1105 1465
Text Label 1105 1465 0    50   ~ 0
~irq
Text Label 5585 5195 0    50   ~ 0
~irq
Wire Bus Line
	7945 6595 5505 6595
Wire Wire Line
	5975 6195 5865 6195
Wire Wire Line
	5865 6195 5865 6480
$Comp
L power:GND #PWR02
U 1 1 68EC59B4
P 5865 6480
F 0 "#PWR02" H 5865 6230 50  0001 C CNN
F 1 "GND" H 5870 6307 50  0000 C CNN
F 2 "" H 5865 6480 50  0001 C CNN
F 3 "" H 5865 6480 50  0001 C CNN
	1    5865 6480
	1    0    0    -1  
$EndComp
Wire Wire Line
	5975 5095 5865 5095
Wire Wire Line
	5865 5095 5865 4730
$Comp
L power:+5V #PWR?
U 1 1 68EE6E63
P 5865 4730
AR Path="/6568A2D0/68EE6E63" Ref="#PWR?"  Part="1" 
AR Path="/68EE6E63" Ref="#PWR01"  Part="1" 
F 0 "#PWR01" H 5865 4580 50  0001 C CNN
F 1 "+5V" H 5880 4903 50  0000 C CNN
F 2 "" H 5865 4730 50  0001 C CNN
F 3 "" H 5865 4730 50  0001 C CNN
	1    5865 4730
	1    0    0    -1  
$EndComp
Wire Wire Line
	5975 5295 5585 5295
Wire Wire Line
	5975 5395 5585 5395
Wire Wire Line
	5975 5495 5585 5495
Wire Wire Line
	5975 5595 5585 5595
Wire Wire Line
	5975 5695 5585 5695
Text Label 5585 5295 0    50   ~ 0
~reset
Wire Wire Line
	7475 5395 8405 5395
Wire Wire Line
	7475 5495 8310 5495
Wire Wire Line
	8310 5495 8310 5295
Wire Wire Line
	8310 5295 8405 5295
Wire Wire Line
	7475 5195 8060 5195
Wire Wire Line
	8060 5195 8060 4660
Wire Wire Line
	8060 4660 10160 4660
Wire Wire Line
	10160 4660 10160 5395
Wire Wire Line
	10160 5395 9905 5395
Wire Wire Line
	9905 5295 10015 5295
Wire Wire Line
	10015 5295 10015 5580
$Comp
L power:GND #PWR04
U 1 1 68FA16EF
P 10015 5580
F 0 "#PWR04" H 10015 5330 50  0001 C CNN
F 1 "GND" H 10020 5407 50  0000 C CNN
F 2 "" H 10015 5580 50  0001 C CNN
F 3 "" H 10015 5580 50  0001 C CNN
	1    10015 5580
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8405 5095 8295 5095
Wire Wire Line
	8295 5095 8295 4580
$Comp
L power:+5V #PWR?
U 1 1 68FB55AB
P 8295 4580
AR Path="/6568A2D0/68FB55AB" Ref="#PWR?"  Part="1" 
AR Path="/68FB55AB" Ref="#PWR03"  Part="1" 
F 0 "#PWR03" H 8295 4430 50  0001 C CNN
F 1 "+5V" H 8310 4753 50  0000 C CNN
F 2 "" H 8295 4580 50  0001 C CNN
F 3 "" H 8295 4580 50  0001 C CNN
	1    8295 4580
	1    0    0    -1  
$EndComp
Wire Wire Line
	8405 5195 8175 5195
Wire Wire Line
	8175 5195 8175 6170
Wire Wire Line
	8175 6170 8735 6170
Text Notes 2905 7725 0    50   ~ 0
(NTSC color subcarrier frequency)\n\n520-TCF357-X (DIP-14)\nOR\n520-TCH357-X (DIP-8)
Wire Wire Line
	3945 6945 4325 6945
Wire Wire Line
	9905 5195 10510 5195
$Comp
L Device:CP1 C?
U 1 1 690C08BD
P 10510 5445
AR Path="/6579482E/690C08BD" Ref="C?"  Part="1" 
AR Path="/690C08BD" Ref="C5"  Part="1" 
F 0 "C5" H 10395 5491 50  0000 R CNN
F 1 "10u" H 10395 5400 50  0000 R CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 10510 5445 50  0001 C CNN
F 3 "~" H 10510 5445 50  0001 C CNN
F 4 "710-860010472002" H 10510 5445 50  0001 C CNN "MouserPN"
F 5 "OPL" H 10510 5445 50  0001 C CNN "Notes"
	1    10510 5445
	1    0    0    -1  
$EndComp
Wire Wire Line
	10800 5395 10695 5395
Wire Wire Line
	10695 5395 10695 5595
Wire Wire Line
	10695 5595 11445 5595
Wire Wire Line
	11525 5295 11400 5295
Wire Wire Line
	10510 5295 10510 5195
Connection ~ 10510 5195
Wire Wire Line
	10510 5195 10800 5195
Wire Wire Line
	10510 5595 10510 5700
$Comp
L power:GND #PWR05
U 1 1 690FD3FA
P 10510 5700
F 0 "#PWR05" H 10510 5450 50  0001 C CNN
F 1 "GND" H 10515 5527 50  0000 C CNN
F 2 "" H 10510 5700 50  0001 C CNN
F 3 "" H 10510 5700 50  0001 C CNN
	1    10510 5700
	-1   0    0    -1  
$EndComp
Text Notes 10700 4830 0    50   ~ 0
BIAS REFERENCE
Connection ~ 11525 5295
Wire Wire Line
	9905 5095 11525 5095
Wire Wire Line
	11525 5095 11525 5295
Wire Wire Line
	12145 5295 12285 5295
Wire Wire Line
	12145 5115 12145 5295
Wire Wire Line
	12990 5395 12885 5395
Wire Wire Line
	12990 5395 12990 5455
$Comp
L power:GND #PWR07
U 1 1 69269DCB
P 12990 5800
F 0 "#PWR07" H 12990 5550 50  0001 C CNN
F 1 "GND" H 12995 5627 50  0000 C CNN
F 2 "" H 12990 5800 50  0001 C CNN
F 3 "" H 12990 5800 50  0001 C CNN
	1    12990 5800
	-1   0    0    -1  
$EndComp
Wire Wire Line
	12990 5755 12990 5800
Connection ~ 12990 5395
Wire Wire Line
	12990 5395 13285 5395
$Comp
L Device:CP1 C?
U 1 1 69292563
P 13435 5395
AR Path="/6579482E/69292563" Ref="C?"  Part="1" 
AR Path="/69292563" Ref="C1"  Part="1" 
F 0 "C1" V 13687 5395 50  0000 C CNN
F 1 "10u" V 13596 5395 50  0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 13435 5395 50  0001 C CNN
F 3 "~" H 13435 5395 50  0001 C CNN
F 4 "OPL" H 13435 5395 50  0001 C CNN "Notes"
F 5 "710-860010472002" H 13435 5395 50  0001 C CNN "MouserPN"
	1    13435 5395
	0    -1   -1   0   
$EndComp
Wire Wire Line
	13585 5395 13655 5395
Wire Wire Line
	9335 6270 9415 6270
Wire Wire Line
	9415 6270 9415 6565
Wire Wire Line
	9415 6565 8615 6565
Wire Wire Line
	8615 6565 8615 6370
Wire Wire Line
	8615 6370 8735 6370
Text Notes 8860 6705 0    50   ~ 0
BUFFER
$Comp
L Device:R R?
U 1 1 693006B1
P 9675 6270
AR Path="/6579482E/693006B1" Ref="R?"  Part="1" 
AR Path="/693006B1" Ref="R3"  Part="1" 
F 0 "R3" V 9882 6270 50  0000 C CNN
F 1 "33k" V 9791 6270 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 9605 6270 50  0001 C CNN
F 3 "~" H 9675 6270 50  0001 C CNN
F 4 "OPL" H 9675 6270 50  0001 C CNN "Notes"
	1    9675 6270
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9415 6270 9525 6270
Connection ~ 9415 6270
$Comp
L Device:R R?
U 1 1 69316664
P 10205 6270
AR Path="/6579482E/69316664" Ref="R?"  Part="1" 
AR Path="/69316664" Ref="R4"  Part="1" 
F 0 "R4" V 10090 6270 50  0000 C CNN
F 1 "33k" V 9999 6270 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 10135 6270 50  0001 C CNN
F 3 "~" H 10205 6270 50  0001 C CNN
F 4 "OPL" H 10205 6270 50  0001 C CNN "Notes"
	1    10205 6270
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9825 6270 9945 6270
Wire Wire Line
	10355 6270 10600 6270
Wire Wire Line
	11280 6665 10480 6665
Wire Wire Line
	10480 6665 10480 6470
Wire Wire Line
	10480 6470 10600 6470
Wire Wire Line
	11280 6665 11280 6370
Wire Wire Line
	11280 6370 11200 6370
Connection ~ 11280 6370
Wire Wire Line
	11280 6370 11280 6075
Wire Wire Line
	11280 6075 11095 6075
Wire Wire Line
	9945 6075 9945 6270
Connection ~ 9945 6270
Wire Wire Line
	9945 6270 10055 6270
$Comp
L Device:C C?
U 1 1 693B6977
P 10945 6075
AR Path="/6579482E/693B6977" Ref="C?"  Part="1" 
AR Path="/693B6977" Ref="C6"  Part="1" 
F 0 "C6" V 11270 6075 50  0000 C CNN
F 1 "470p" V 11170 6075 50  0000 C CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 10983 5925 50  0001 C CNN
F 3 "~" H 10945 6075 50  0001 C CNN
F 4 "810-FG28C0G1H471JNT6" H 10945 6075 50  0001 C CNN "MouserPN"
F 5 "OPL" H 10945 6075 50  0001 C CNN "Notes"
	1    10945 6075
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10795 6075 9945 6075
Text Notes 10430 6995 0    50   ~ 0
15 KHz LOW-PASS FILTER
Text Notes 12390 6035 0    50   ~ 0
AMPLIFIER
Text Label 7845 5195 2    50   ~ 0
dac_sync
Text Label 7845 5395 2    50   ~ 0
ser_audio
Text Label 7845 5495 2    50   ~ 0
dac_clk
Wire Wire Line
	7475 5095 7845 5095
Text Label 7845 5095 2    50   ~ 0
clock
Text Label 5585 5495 0    50   ~ 0
r_~w
Text Label 5585 5395 0    50   ~ 0
ym_a0
Text Label 5585 5595 0    50   ~ 0
~ym_rd
Text Label 5585 5695 0    50   ~ 0
~ym_cs
Text Label 12665 3185 0    50   ~ 0
r_~w
Wire Wire Line
	14165 1885 14665 1885
Entry Wire Line
	12565 2985 12665 3085
Text Label 14665 1885 2    50   ~ 0
ym_a0
Text Label 14665 2585 2    50   ~ 0
~midi_cs
Wire Wire Line
	1365 10090 1365 10215
Wire Wire Line
	1365 10515 1365 10640
$Comp
L power:GND #PWR0120
U 1 1 6587E7ED
P 1365 10640
F 0 "#PWR0120" H 1365 10390 50  0001 C CNN
F 1 "GND" H 1370 10467 50  0000 C CNN
F 2 "" H 1365 10640 50  0001 C CNN
F 3 "" H 1365 10640 50  0001 C CNN
	1    1365 10640
	-1   0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0121
U 1 1 6587E7F3
P 1365 10090
F 0 "#PWR0121" H 1365 9940 50  0001 C CNN
F 1 "+5V" H 1380 10263 50  0000 C CNN
F 2 "" H 1365 10090 50  0001 C CNN
F 3 "" H 1365 10090 50  0001 C CNN
	1    1365 10090
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 6587E7FA
P 1365 10365
F 0 "C2" H 1480 10411 50  0000 L CNN
F 1 "100n" H 1480 10320 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 1403 10215 50  0001 C CNN
F 3 "~" H 1365 10365 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 1365 10365 50  0001 C CNN "MouserPN"
F 5 "COMMON" H 1365 10365 50  0001 C CNN "Notes"
	1    1365 10365
	1    0    0    -1  
$EndComp
Wire Wire Line
	14030 5295 13605 5295
Text Label 13605 5295 0    50   ~ 0
ext_audio
$Comp
L Device:Jumper_NO_Small JP2
U 1 1 64EA3584
P 13835 5595
F 0 "JP2" H 13805 5525 50  0000 C CNN
F 1 "JMP_STEREO" H 13640 5440 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 13835 5595 50  0001 C CNN
F 3 "~" H 13835 5595 50  0001 C CNN
F 4 "OPL" H 13835 5595 50  0001 C CNN "Notes"
F 5 "-" H 13835 5595 50  0001 C CNN "MouserPN"
	1    13835 5595
	1    0    0    -1  
$EndComp
Wire Wire Line
	13935 5595 14030 5595
NoConn ~ 14030 5495
Wire Wire Line
	13735 5595 13655 5595
Wire Wire Line
	13655 5595 13655 5395
Connection ~ 13655 5395
Wire Wire Line
	13655 5395 14030 5395
NoConn ~ 1605 2265
Wire Wire Line
	880  10095 880  10220
Wire Wire Line
	880  10520 880  10645
$Comp
L power:GND #PWR09
U 1 1 64FB24C9
P 880 10645
F 0 "#PWR09" H 880 10395 50  0001 C CNN
F 1 "GND" H 885 10472 50  0000 C CNN
F 2 "" H 880 10645 50  0001 C CNN
F 3 "" H 880 10645 50  0001 C CNN
	1    880  10645
	-1   0    0    -1  
$EndComp
$Comp
L power:+5V #PWR08
U 1 1 64FB24D3
P 880 10095
F 0 "#PWR08" H 880 9945 50  0001 C CNN
F 1 "+5V" H 895 10268 50  0000 C CNN
F 2 "" H 880 10095 50  0001 C CNN
F 3 "" H 880 10095 50  0001 C CNN
	1    880  10095
	1    0    0    -1  
$EndComp
$Comp
L Device:C C10
U 1 1 64FB24DE
P 880 10370
F 0 "C10" H 995 10416 50  0000 L CNN
F 1 "100n" H 995 10325 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 918 10220 50  0001 C CNN
F 3 "~" H 880 10370 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 880 10370 50  0001 C CNN "MouserPN"
F 5 "OPL" H 880 10370 50  0001 C CNN "Notes"
	1    880  10370
	1    0    0    -1  
$EndComp
Wire Wire Line
	7670 1785 6925 1785
Wire Wire Line
	6575 1760 6575 2085
Wire Wire Line
	6380 2185 7670 2185
Text Notes 8050 975  0    50   ~ 0
RS-232 INTERFACE\n(TTL LEVEL)
Wire Wire Line
	9315 1260 9315 2885
Text Label 7025 2885 0    50   ~ 0
a1
Text Label 7025 2785 0    50   ~ 0
a0
Text Label 6350 2985 0    50   ~ 0
address_bus
Wire Bus Line
	6925 2985 6350 2985
Wire Bus Line
	6925 2885 6925 2985
Wire Wire Line
	7670 2885 7025 2885
Wire Wire Line
	7670 2785 7025 2785
Entry Wire Line
	6925 2985 7025 2885
Entry Wire Line
	6925 2885 7025 2785
Wire Wire Line
	6925 1885 7670 1885
Text Label 6925 2685 0    50   ~ 0
rxd_ttl
Wire Wire Line
	7670 2685 6925 2685
Text Label 6925 2485 0    50   ~ 0
txd_ttl
Wire Wire Line
	7670 2485 6925 2485
$Comp
L power:GND #PWR?
U 1 1 6505B496
P 6980 3825
AR Path="/64FEE640/6505B496" Ref="#PWR?"  Part="1" 
AR Path="/6505B496" Ref="#PWR0101"  Part="1" 
F 0 "#PWR0101" H 6980 3575 50  0001 C CNN
F 1 "GND" H 6985 3652 50  0000 C CNN
F 2 "" H 6980 3825 50  0001 C CNN
F 3 "" H 6980 3825 50  0001 C CNN
	1    6980 3825
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 6505B49D
P 6980 3580
AR Path="/64FEE640/6505B49D" Ref="C?"  Part="1" 
AR Path="/6505B49D" Ref="C11"  Part="1" 
F 0 "C11" H 7095 3626 50  0000 L CNN
F 1 "100n" H 7095 3535 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 7018 3430 50  0001 C CNN
F 3 "~" H 6980 3580 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 6980 3580 50  0001 C CNN "MouserPN"
F 5 "MIDI" H 6980 3580 50  0001 C CNN "Notes"
	1    6980 3580
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 6505B4A3
P 6980 3330
AR Path="/64FEE640/6505B4A3" Ref="#PWR?"  Part="1" 
AR Path="/6505B4A3" Ref="#PWR0105"  Part="1" 
F 0 "#PWR0105" H 6980 3180 50  0001 C CNN
F 1 "+5V" H 6995 3503 50  0000 C CNN
F 2 "" H 6980 3330 50  0001 C CNN
F 3 "" H 6980 3330 50  0001 C CNN
	1    6980 3330
	1    0    0    -1  
$EndComp
Wire Wire Line
	6980 3730 6980 3825
Wire Wire Line
	6980 3430 6980 3330
Text Label 9955 1785 2    50   ~ 0
~irq
Text Label 9955 1685 2    50   ~ 0
phi2
Text Label 9955 1585 2    50   ~ 0
r_~w
Wire Wire Line
	9170 1785 9955 1785
Wire Wire Line
	9170 1685 9955 1685
Wire Wire Line
	9170 2685 9445 2685
Wire Wire Line
	9170 1585 9955 1585
Wire Wire Line
	6380 2185 6380 2115
Wire Wire Line
	6380 1760 6380 1815
Wire Wire Line
	6575 1760 6380 1760
Wire Wire Line
	7670 2085 6575 2085
Text Label 6925 1885 0    50   ~ 0
~reset
Text Label 6925 1785 0    50   ~ 0
~midi_cs
$Comp
L power:GND #PWR?
U 1 1 6505B4BE
P 7525 3210
AR Path="/64FEE640/6505B4BE" Ref="#PWR?"  Part="1" 
AR Path="/6505B4BE" Ref="#PWR0108"  Part="1" 
F 0 "#PWR0108" H 7525 2960 50  0001 C CNN
F 1 "GND" H 7530 3037 50  0000 C CNN
F 2 "" H 7525 3210 50  0001 C CNN
F 3 "" H 7525 3210 50  0001 C CNN
	1    7525 3210
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 6505B4C4
P 9315 1260
AR Path="/64FEE640/6505B4C4" Ref="#PWR?"  Part="1" 
AR Path="/6505B4C4" Ref="#PWR0109"  Part="1" 
F 0 "#PWR0109" H 9315 1110 50  0001 C CNN
F 1 "+5V" H 9330 1433 50  0000 C CNN
F 2 "" H 9315 1260 50  0001 C CNN
F 3 "" H 9315 1260 50  0001 C CNN
	1    9315 1260
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 6505B4CA
P 7405 1255
AR Path="/64FEE640/6505B4CA" Ref="#PWR?"  Part="1" 
AR Path="/6505B4CA" Ref="#PWR0110"  Part="1" 
F 0 "#PWR0110" H 7405 1105 50  0001 C CNN
F 1 "+5V" H 7420 1428 50  0000 C CNN
F 2 "" H 7405 1255 50  0001 C CNN
F 3 "" H 7405 1255 50  0001 C CNN
	1    7405 1255
	1    0    0    -1  
$EndComp
Wire Wire Line
	7405 1685 7405 1255
Wire Wire Line
	7670 1685 7405 1685
Wire Wire Line
	9170 2885 9315 2885
Wire Wire Line
	7525 1585 7525 3210
Wire Wire Line
	7670 1585 7525 1585
$Comp
L W65C51S:W65C51S U?
U 1 1 6505B4D5
P 8420 2235
AR Path="/64FEE640/6505B4D5" Ref="U?"  Part="1" 
AR Path="/6505B4D5" Ref="U2"  Part="1" 
F 0 "U2" H 8420 3250 50  0000 C CNN
F 1 "MOS_6551_ACIA" H 8420 3159 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm_Socket_LongPads" H 8420 2235 50  0001 C CNN
F 3 "DOCUMENTATION" H 8420 2235 50  0001 C CNN
F 4 "MIDI" H 8420 2235 50  0001 C CNN "Notes"
	1    8420 2235
	1    0    0    -1  
$EndComp
Text Label 9445 1885 2    50   ~ 0
d7
Text Label 9445 1985 2    50   ~ 0
d6
Text Label 9445 2085 2    50   ~ 0
d5
Text Label 9445 2185 2    50   ~ 0
d4
Text Label 9445 2285 2    50   ~ 0
d3
Text Label 9445 2385 2    50   ~ 0
d2
Text Label 9445 2485 2    50   ~ 0
d1
Text Label 9445 2585 2    50   ~ 0
d0
Text Label 9955 2685 2    50   ~ 0
data_bus
Wire Bus Line
	9545 2685 9955 2685
Entry Wire Line
	9545 2685 9445 2585
Entry Wire Line
	9545 2585 9445 2485
Entry Wire Line
	9545 2485 9445 2385
Entry Wire Line
	9545 2385 9445 2285
Entry Wire Line
	9545 2285 9445 2185
Entry Wire Line
	9545 2185 9445 2085
Entry Wire Line
	9545 2085 9445 1985
Entry Wire Line
	9545 1985 9445 1885
Wire Wire Line
	9170 1885 9445 1885
Wire Wire Line
	9170 1985 9445 1985
Wire Wire Line
	9170 2085 9445 2085
Wire Wire Line
	9170 2185 9445 2185
Wire Wire Line
	9170 2285 9445 2285
Wire Wire Line
	9170 2385 9445 2385
Wire Wire Line
	9170 2485 9445 2485
Wire Wire Line
	9170 2585 9445 2585
$Comp
L power:GND #PWR?
U 1 1 6505B4FB
P 6840 2640
AR Path="/64FEE640/6505B4FB" Ref="#PWR?"  Part="1" 
AR Path="/6505B4FB" Ref="#PWR0111"  Part="1" 
F 0 "#PWR0111" H 6840 2390 50  0001 C CNN
F 1 "GND" H 6845 2467 50  0000 C CNN
F 2 "" H 6840 2640 50  0001 C CNN
F 3 "" H 6840 2640 50  0001 C CNN
	1    6840 2640
	1    0    0    -1  
$EndComp
Wire Wire Line
	6840 2385 7670 2385
Wire Wire Line
	6840 2385 6840 2640
NoConn ~ 7670 1985
NoConn ~ 7670 2285
NoConn ~ 7670 2585
$Comp
L power:GND #PWR?
U 1 1 650E3E85
P 9445 3210
AR Path="/64FEE640/650E3E85" Ref="#PWR?"  Part="1" 
AR Path="/650E3E85" Ref="#PWR0112"  Part="1" 
F 0 "#PWR0112" H 9445 2960 50  0001 C CNN
F 1 "GND" H 9450 3037 50  0000 C CNN
F 2 "" H 9445 3210 50  0001 C CNN
F 3 "" H 9445 3210 50  0001 C CNN
	1    9445 3210
	1    0    0    -1  
$EndComp
Wire Wire Line
	9445 2685 9445 2785
Connection ~ 9445 2785
Wire Wire Line
	9445 2785 9445 3210
Wire Wire Line
	9170 2785 9445 2785
$Comp
L Connector:DIN-5_180degree CN4
U 1 1 65181AFA
P 12920 8735
F 0 "CN4" H 12920 8368 50  0000 C CNN
F 1 "CONN_MIDI_OUT" H 12920 8459 50  0000 C CNN
F 2 "SoundX:DIN5" H 12920 8735 50  0001 C CNN
F 3 "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" H 12920 8735 50  0001 C CNN
F 4 "MIDI" H 12920 8735 50  0001 C CNN "Notes"
	1    12920 8735
	-1   0    0    1   
$EndComp
Wire Wire Line
	12920 9035 12920 9080
$Comp
L power:GND #PWR0113
U 1 1 65181B01
P 12920 9125
F 0 "#PWR0113" H 12920 8875 50  0001 C CNN
F 1 "GND" H 12925 8952 50  0000 C CNN
F 2 "" H 12920 9125 50  0001 C CNN
F 3 "" H 12920 9125 50  0001 C CNN
	1    12920 9125
	-1   0    0    -1  
$EndComp
Wire Wire Line
	12620 8835 12400 8835
Wire Wire Line
	13220 8835 13690 8835
Wire Wire Line
	13690 8835 13690 8770
$Comp
L power:+5V #PWR0114
U 1 1 65181B0A
P 13690 8420
F 0 "#PWR0114" H 13690 8270 50  0001 C CNN
F 1 "+5V" H 13705 8593 50  0000 C CNN
F 2 "" H 13690 8420 50  0001 C CNN
F 3 "" H 13690 8420 50  0001 C CNN
	1    13690 8420
	1    0    0    -1  
$EndComp
$Comp
L Device:R R12
U 1 1 65181B10
P 13690 8620
F 0 "R12" H 13620 8574 50  0000 R CNN
F 1 "220" H 13620 8665 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 13620 8620 50  0001 C CNN
F 3 "~" H 13690 8620 50  0001 C CNN
F 4 "MIDI" H 13690 8620 50  0001 C CNN "Notes"
	1    13690 8620
	-1   0    0    1   
$EndComp
Wire Wire Line
	13690 8470 13690 8445
$Comp
L Device:R R11
U 1 1 65181B17
P 12250 8835
F 0 "R11" V 12457 8835 50  0000 C CNN
F 1 "220" V 12366 8835 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 12180 8835 50  0001 C CNN
F 3 "~" H 12250 8835 50  0001 C CNN
F 4 "MIDI" H 12250 8835 50  0001 C CNN "Notes"
	1    12250 8835
	0    -1   -1   0   
$EndComp
Wire Wire Line
	12100 8835 11695 8835
Wire Wire Line
	12620 8735 12520 8735
$Comp
L Device:Jumper_NO_Small JP3
U 1 1 65181B20
P 12690 9080
F 0 "JP3" H 12690 9245 50  0000 C CNN
F 1 "JMP_POM_GND" H 12840 9165 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 12690 9080 50  0001 C CNN
F 3 "~" H 12690 9080 50  0001 C CNN
F 4 "MIDI" H 12690 9080 50  0001 C CNN "Notes"
F 5 "-" H 12690 9080 50  0001 C CNN "MouserPN"
	1    12690 9080
	-1   0    0    1   
$EndComp
Wire Wire Line
	12520 9080 12590 9080
Wire Wire Line
	12520 8735 12520 9080
Wire Wire Line
	12790 9080 12920 9080
Connection ~ 12920 9080
Wire Wire Line
	12920 9080 12920 9125
$Comp
L Device:Jumper_NO_Small JP4
U 1 1 65181B2B
P 13405 8735
F 0 "JP4" H 13405 8550 50  0000 C CNN
F 1 "JMP_POM_VCC" H 13405 8641 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 13405 8735 50  0001 C CNN
F 3 "~" H 13405 8735 50  0001 C CNN
F 4 "MIDI" H 13405 8735 50  0001 C CNN "Notes"
F 5 "-" H 13405 8735 50  0001 C CNN "MouserPN"
	1    13405 8735
	-1   0    0    1   
$EndComp
Wire Wire Line
	13220 8735 13305 8735
Wire Wire Line
	13505 8735 13580 8735
Wire Wire Line
	13580 8735 13580 8445
Wire Wire Line
	13580 8445 13690 8445
Connection ~ 13690 8445
Wire Wire Line
	13690 8445 13690 8420
Text Notes 13155 9195 0    50   ~ 0
POWER-OVER-MIDI JUMPERS\nTAKEN FROM SPARKFUN\nMIDI SHIELD
Wire Wire Line
	7830 8795 7680 8795
$Comp
L power:+5V #PWR0124
U 1 1 65181B39
P 9045 8495
F 0 "#PWR0124" H 9045 8345 50  0001 C CNN
F 1 "+5V" H 9060 8668 50  0000 C CNN
F 2 "" H 9045 8495 50  0001 C CNN
F 3 "" H 9045 8495 50  0001 C CNN
	1    9045 8495
	1    0    0    -1  
$EndComp
$Comp
L Device:R R8
U 1 1 65181B3F
P 7530 8795
F 0 "R8" V 7737 8795 50  0000 C CNN
F 1 "220" V 7646 8795 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 7460 8795 50  0001 C CNN
F 3 "~" H 7530 8795 50  0001 C CNN
F 4 "MIDI" H 7530 8795 50  0001 C CNN "Notes"
	1    7530 8795
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8675 9105 9120 9105
NoConn ~ 7195 8695
$Comp
L Isolator:6N138 U4
U 1 1 65181B48
P 8375 9005
F 0 "U4" H 8375 9472 50  0000 C CNN
F 1 "6N138" H 8375 9381 50  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 8665 8705 50  0001 C CNN
F 3 "http://www.onsemi.com/pub/Collateral/HCPL2731-D.pdf" H 8665 8705 50  0001 C CNN
F 4 "MIDI" H 8375 9005 50  0001 C CNN "Notes"
F 5 "859-6N138" H 8375 9005 50  0001 C CNN "MouserPN"
	1    8375 9005
	1    0    0    -1  
$EndComp
$Comp
L Device:D D1
U 1 1 65181B4E
P 7830 9010
F 0 "D1" V 7784 8931 50  0000 R CNN
F 1 "1n4148" V 7875 8931 50  0000 R CNN
F 2 "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" H 7830 9010 50  0001 C CNN
F 3 "~" H 7830 9010 50  0001 C CNN
F 4 "MIDI" H 7830 9010 50  0001 C CNN "Notes"
	1    7830 9010
	0    1    1    0   
$EndComp
Wire Wire Line
	7830 8860 7830 8795
Wire Wire Line
	7830 8795 8010 8795
Wire Wire Line
	8010 8795 8010 8905
Wire Wire Line
	8010 8905 8075 8905
Wire Wire Line
	7830 9160 7830 9225
Wire Wire Line
	7830 9225 8010 9225
Wire Wire Line
	8075 9105 8010 9105
Wire Wire Line
	8010 9105 8010 9225
Connection ~ 7830 8795
Wire Wire Line
	7380 8795 7195 8795
Wire Wire Line
	8675 9205 8785 9205
$Comp
L power:GND #PWR0125
U 1 1 65181B5F
P 8875 9615
F 0 "#PWR0125" H 8875 9365 50  0001 C CNN
F 1 "GND" H 8880 9442 50  0000 C CNN
F 2 "" H 8875 9615 50  0001 C CNN
F 3 "" H 8875 9615 50  0001 C CNN
	1    8875 9615
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8675 8905 8965 8905
Wire Wire Line
	8965 8905 8965 9205
$Comp
L Device:R R9
U 1 1 65181B67
P 8965 9355
F 0 "R9" H 8895 9309 50  0000 R CNN
F 1 "4.7k" H 8895 9400 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 8895 9355 50  0001 C CNN
F 3 "~" H 8965 9355 50  0001 C CNN
F 4 "MIDI" H 8965 9355 50  0001 C CNN "Notes"
	1    8965 9355
	-1   0    0    1   
$EndComp
Wire Wire Line
	8785 9550 8875 9550
Wire Wire Line
	8965 9550 8965 9505
Wire Wire Line
	8785 9205 8785 9550
Wire Wire Line
	8875 9615 8875 9550
Connection ~ 8875 9550
Wire Wire Line
	8875 9550 8965 9550
NoConn ~ 6595 8695
$Comp
L Connector:DIN-5_180degree CN3
U 1 1 65181B74
P 6895 8695
F 0 "CN3" H 6895 8328 50  0000 C CNN
F 1 "CONN_MIDI_IN" H 6895 8419 50  0000 C CNN
F 2 "SoundX:DIN5" H 6895 8695 50  0001 C CNN
F 3 "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" H 6895 8695 50  0001 C CNN
F 4 "MIDI" H 6895 8695 50  0001 C CNN "Notes"
	1    6895 8695
	-1   0    0    1   
$EndComp
Wire Wire Line
	6595 8795 6450 8795
Wire Wire Line
	6450 8795 6450 9225
Wire Wire Line
	6450 9225 7830 9225
Connection ~ 7830 9225
NoConn ~ 6895 8995
Wire Wire Line
	9045 8495 9045 8605
$Comp
L Device:R R10
U 1 1 65181B80
P 9120 8845
F 0 "R10" H 9050 8799 50  0000 R CNN
F 1 "220" H 9050 8890 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 9050 8845 50  0001 C CNN
F 3 "~" H 9120 8845 50  0001 C CNN
F 4 "MIDI" H 9120 8845 50  0001 C CNN "Notes"
	1    9120 8845
	-1   0    0    1   
$EndComp
Wire Wire Line
	9120 8995 9120 9105
Connection ~ 9120 9105
Wire Wire Line
	9120 9105 9560 9105
Wire Wire Line
	8675 8805 8965 8805
Wire Wire Line
	8965 8805 8965 8605
Wire Wire Line
	8965 8605 9045 8605
Wire Wire Line
	9120 8605 9120 8695
Connection ~ 9045 8605
Wire Wire Line
	9045 8605 9120 8605
Text Notes 9160 8720 0    50   ~ 0
1K may\nbe better
Text Notes 7360 7960 0    50   ~ 0
MIDI INPUT
Text Notes 12740 8000 0    50   ~ 0
MIDI OUTPUT
Text Label 11695 8835 0    50   ~ 0
txd_ttl
Text Label 9560 9105 2    50   ~ 0
rxd_ttl
$Comp
L Device:Crystal Y?
U 1 1 6505B4B6
P 6380 1965
AR Path="/64FEE640/6505B4B6" Ref="Y?"  Part="1" 
AR Path="/6505B4B6" Ref="Y2"  Part="1" 
F 0 "Y2" V 6426 2095 50  0000 L CNN
F 1 "3M" V 6335 2095 50  0000 L CNN
F 2 "Crystal:Crystal_HC49-U_Vertical" H 6380 1965 50  0001 C CNN
F 3 "~" H 6380 1965 50  0001 C CNN
F 4 "MIDI" H 6380 1965 50  0001 C CNN "Notes"
F 5 "520-HCA300-SX" H 6380 1965 50  0001 C CNN "MouserPN"
	1    6380 1965
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R?
U 1 1 69269DC1
P 12990 5605
AR Path="/6579482E/69269DC1" Ref="R?"  Part="1" 
AR Path="/69269DC1" Ref="R16"  Part="1" 
F 0 "R16" H 12920 5559 50  0000 R CNN
F 1 "10k" H 12920 5650 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 12920 5605 50  0001 C CNN
F 3 "~" H 12990 5605 50  0001 C CNN
F 4 "OPL" H 12990 5605 50  0001 C CNN "Notes"
	1    12990 5605
	-1   0    0    1   
$EndComp
Text Label 14665 2185 2    50   ~ 0
a9
Text Label 14665 1985 2    50   ~ 0
~ym_rd
Text Label 14665 2085 2    50   ~ 0
~ym_cs
Text Notes 5755 2330 2    50   ~ 0
NOTE 3 MHZ CRYSTAL!\nTHIS ALLOWS REACHING THE\n31250 BPS REQUIRED FOR MIDI\nCONFIGURING THE ACIA FOR 19200 BPS\n(DIVISOR = 96 => 3000000/96 = 31250)\n\nWE ALSO PROVIDE PARALLEL R AND\nSERIES C FOR W65C51S, BUT I'D\nRECOMMEND USING AN OLDER 6551
$Comp
L Device:C C?
U 1 1 65814F5E
P 9945 6565
AR Path="/6579482E/65814F5E" Ref="C?"  Part="1" 
AR Path="/65814F5E" Ref="C13"  Part="1" 
F 0 "C13" H 9830 6611 50  0000 R CNN
F 1 "220p" H 9830 6520 50  0000 R CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 9983 6415 50  0001 C CNN
F 3 "~" H 9945 6565 50  0001 C CNN
F 4 "" H 9945 6565 50  0001 C CNN "MouserPN"
F 5 "OPL" H 9945 6565 50  0001 C CNN "Notes"
	1    9945 6565
	1    0    0    -1  
$EndComp
Wire Wire Line
	9945 6270 9945 6415
$Comp
L power:GND #PWR010
U 1 1 65841B0E
P 9945 6760
F 0 "#PWR010" H 9945 6510 50  0001 C CNN
F 1 "GND" H 9950 6587 50  0000 C CNN
F 2 "" H 9945 6760 50  0001 C CNN
F 3 "" H 9945 6760 50  0001 C CNN
	1    9945 6760
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9945 6760 9945 6715
$Comp
L Device:C C?
U 1 1 65897051
P 6575 2440
AR Path="/64FEE640/65897051" Ref="C?"  Part="1" 
AR Path="/65897051" Ref="C12"  Part="1" 
F 0 "C12" H 6461 2486 50  0000 R CNN
F 1 "22p" H 6461 2395 50  0000 R CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 6613 2290 50  0001 C CNN
F 3 "~" H 6575 2440 50  0001 C CNN
F 4 "" H 6575 2440 50  0001 C CNN "MouserPN"
F 5 "MIDI" H 6575 2440 50  0001 C CNN "Notes"
	1    6575 2440
	1    0    0    -1  
$EndComp
Wire Wire Line
	6575 2290 6575 2085
Connection ~ 6575 2085
Wire Wire Line
	6575 2590 6575 2640
$Comp
L power:GND #PWR?
U 1 1 658DBD86
P 6575 2640
AR Path="/64FEE640/658DBD86" Ref="#PWR?"  Part="1" 
AR Path="/658DBD86" Ref="#PWR011"  Part="1" 
F 0 "#PWR011" H 6575 2390 50  0001 C CNN
F 1 "GND" H 6580 2467 50  0000 C CNN
F 2 "" H 6575 2640 50  0001 C CNN
F 3 "" H 6575 2640 50  0001 C CNN
	1    6575 2640
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 658F263D
P 6015 1965
AR Path="/6579482E/658F263D" Ref="R?"  Part="1" 
AR Path="/658F263D" Ref="R1"  Part="1" 
F 0 "R1" H 6084 1919 50  0000 L CNN
F 1 "1M" H 6084 2010 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 5945 1965 50  0001 C CNN
F 3 "~" H 6015 1965 50  0001 C CNN
F 4 "MIDI" H 6015 1965 50  0001 C CNN "Notes"
	1    6015 1965
	-1   0    0    1   
$EndComp
Wire Wire Line
	6380 1760 6015 1760
Wire Wire Line
	6015 1760 6015 1815
Connection ~ 6380 1760
Wire Wire Line
	6380 2185 6015 2185
Wire Wire Line
	6015 2185 6015 2115
Connection ~ 6380 2185
Text Label 6380 1760 0    50   ~ 0
q+
Text Label 6380 2185 0    50   ~ 0
q-
$Comp
L Device:Ferrite_Bead_Small FB1
U 1 1 65964389
P 1105 1060
F 0 "FB1" H 1005 1060 50  0000 R CNN
F 1 "FERRITE" H 1205 1015 50  0001 L CNN
F 2 "Inductor_THT:L_Radial_D6.0mm_P4.00mm" V 1035 1060 50  0001 C CNN
F 3 "~" H 1105 1060 50  0001 C CNN
F 4 "875-28C0236-0EW-10" H 1105 1060 50  0001 C CNN "MouserPN"
F 5 "COMMON" H 1105 1060 50  0001 C CNN "Notes"
	1    1105 1060
	-1   0    0    1   
$EndComp
Wire Wire Line
	1105 960  1105 920 
Wire Wire Line
	2475 10520 2475 10645
$Comp
L power:GND #PWR014
U 1 1 65993544
P 2475 10645
F 0 "#PWR014" H 2475 10395 50  0001 C CNN
F 1 "GND" H 2480 10472 50  0000 C CNN
F 2 "" H 2475 10645 50  0001 C CNN
F 3 "" H 2475 10645 50  0001 C CNN
	1    2475 10645
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2925 10520 2925 10645
$Comp
L power:GND #PWR016
U 1 1 659A939D
P 2925 10645
F 0 "#PWR016" H 2925 10395 50  0001 C CNN
F 1 "GND" H 2930 10472 50  0000 C CNN
F 2 "" H 2925 10645 50  0001 C CNN
F 3 "" H 2925 10645 50  0001 C CNN
	1    2925 10645
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2475 10095 2475 10220
$Comp
L power:+5V #PWR013
U 1 1 659BF30C
P 2475 10095
F 0 "#PWR013" H 2475 9945 50  0001 C CNN
F 1 "+5V" H 2490 10268 50  0000 C CNN
F 2 "" H 2475 10095 50  0001 C CNN
F 3 "" H 2475 10095 50  0001 C CNN
	1    2475 10095
	1    0    0    -1  
$EndComp
Wire Wire Line
	2925 10095 2925 10220
$Comp
L power:+5V #PWR015
U 1 1 659D5628
P 2925 10095
F 0 "#PWR015" H 2925 9945 50  0001 C CNN
F 1 "+5V" H 2940 10268 50  0000 C CNN
F 2 "" H 2925 10095 50  0001 C CNN
F 3 "" H 2925 10095 50  0001 C CNN
	1    2925 10095
	1    0    0    -1  
$EndComp
$Comp
L Device:C C14
U 1 1 65A039C1
P 960 1565
F 0 "C14" H 845 1611 50  0000 R CNN
F 1 "100n" H 845 1520 50  0000 R CNN
F 2 "Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm" H 998 1415 50  0001 C CNN
F 3 "~" H 960 1565 50  0001 C CNN
F 4 "810-FG28X7R1H104KNT0" H 960 1565 50  0001 C CNN "MouserPN"
F 5 "OPL" H 960 1565 50  0001 C CNN "Notes"
	1    960  1565
	1    0    0    -1  
$EndComp
Wire Wire Line
	1105 1365 960  1365
Wire Wire Line
	960  1365 960  1415
Connection ~ 1105 1365
$Comp
L power:GND #PWR?
U 1 1 65A1CCC1
P 960 1810
AR Path="/64FEE640/65A1CCC1" Ref="#PWR?"  Part="1" 
AR Path="/65A1CCC1" Ref="#PWR012"  Part="1" 
F 0 "#PWR012" H 960 1560 50  0001 C CNN
F 1 "GND" H 965 1637 50  0000 C CNN
F 2 "" H 960 1810 50  0001 C CNN
F 3 "" H 960 1810 50  0001 C CNN
	1    960  1810
	1    0    0    -1  
$EndComp
Wire Wire Line
	960  1715 960  1810
Wire Wire Line
	3490 10655 3490 10780
$Comp
L power:GND #PWR018
U 1 1 65A4DD0B
P 3490 10780
F 0 "#PWR018" H 3490 10530 50  0001 C CNN
F 1 "GND" H 3495 10607 50  0000 C CNN
F 2 "" H 3490 10780 50  0001 C CNN
F 3 "" H 3490 10780 50  0001 C CNN
	1    3490 10780
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3490 9930 3490 10055
$Comp
L power:+5V #PWR017
U 1 1 65A65C50
P 3490 9930
F 0 "#PWR017" H 3490 9780 50  0001 C CNN
F 1 "+5V" H 3505 10103 50  0000 C CNN
F 2 "" H 3490 9930 50  0001 C CNN
F 3 "" H 3490 9930 50  0001 C CNN
	1    3490 9930
	1    0    0    -1  
$EndComp
Wire Wire Line
	4015 10520 4015 10645
$Comp
L power:GND #PWR020
U 1 1 65AB17E7
P 4015 10645
F 0 "#PWR020" H 4015 10395 50  0001 C CNN
F 1 "GND" H 4020 10472 50  0000 C CNN
F 2 "" H 4015 10645 50  0001 C CNN
F 3 "" H 4015 10645 50  0001 C CNN
	1    4015 10645
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4015 10095 4015 10220
$Comp
L power:+5V #PWR019
U 1 1 65AB17F2
P 4015 10095
F 0 "#PWR019" H 4015 9945 50  0001 C CNN
F 1 "+5V" H 4030 10268 50  0000 C CNN
F 2 "" H 4015 10095 50  0001 C CNN
F 3 "" H 4015 10095 50  0001 C CNN
	1    4015 10095
	1    0    0    -1  
$EndComp
$Comp
L Device:CP1 C?
U 1 1 65AC9FB0
P 4015 10370
AR Path="/6579482E/65AC9FB0" Ref="C?"  Part="1" 
AR Path="/65AC9FB0" Ref="C15"  Part="1" 
F 0 "C15" H 4130 10416 50  0000 L CNN
F 1 "10u" H 4130 10325 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 4015 10370 50  0001 C CNN
F 3 "~" H 4015 10370 50  0001 C CNN
F 4 "OPL" H 4015 10370 50  0001 C CNN "Notes"
F 5 "710-860010472002" H 4015 10370 50  0001 C CNN "MouserPN"
	1    4015 10370
	1    0    0    -1  
$EndComp
Wire Wire Line
	9415 5950 9415 6270
Text Label 11825 5495 0    50   ~ 0
amp_in
Text Label 11280 6370 0    50   ~ 0
flt_out
Text Label 9415 6270 1    50   ~ 0
flt_in
Text Notes 6305 6920 0    50   ~ 0
BOTH YM3526 (OPL)\nAND YM3812 (OPL-II)\nCAN BE USED
Text Notes 2000 9475 0    50   ~ 0
DECOUPLING & POWER
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 65BFC4EA
P 1105 920
F 0 "#FLG0102" H 1105 995 50  0001 C CNN
F 1 "PWR_FLAG" V 1105 1048 50  0000 L CNN
F 2 "" H 1105 920 50  0001 C CNN
F 3 "~" H 1105 920 50  0001 C CNN
	1    1105 920 
	0    1    1    0   
$EndComp
Connection ~ 1105 920 
Wire Wire Line
	1105 920  1105 885 
$Comp
L Device:R R?
U 1 1 6919D14D
P 11835 5295
AR Path="/6579482E/6919D14D" Ref="R?"  Part="1" 
AR Path="/6919D14D" Ref="R5"  Part="1" 
F 0 "R5" V 12042 5295 50  0000 C CNN
F 1 "15k" V 11951 5295 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 11765 5295 50  0001 C CNN
F 3 "~" H 11835 5295 50  0001 C CNN
F 4 "OPL" H 11835 5295 50  0001 C CNN "Notes"
	1    11835 5295
	0    -1   -1   0   
$EndComp
Wire Wire Line
	11525 5295 11685 5295
Wire Wire Line
	11985 5295 12145 5295
Connection ~ 12145 5295
$Comp
L Jumper:Jumper_3_Open JP5
U 1 1 65B030FE
P 11825 5950
F 0 "JP5" H 11825 6081 50  0000 C CNN
F 1 "JMP_FILTER_BYPASS" H 11825 6172 50  0000 C CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm" H 11825 5950 50  0001 C CNN
F 3 "~" H 11825 5950 50  0001 C CNN
F 4 "OPL" H 11825 5950 50  0001 C CNN "Notes"
F 5 "-" H 11825 5950 50  0001 C CNN "MouserPN"
	1    11825 5950
	-1   0    0    1   
$EndComp
Wire Wire Line
	11825 5800 11825 5495
Wire Wire Line
	11825 5495 12285 5495
Wire Wire Line
	9415 5950 11575 5950
Wire Wire Line
	11280 6370 12240 6370
Wire Wire Line
	12240 6370 12240 5950
Wire Wire Line
	12240 5950 12075 5950
$Comp
L power:GND #PWR0116
U 1 1 64FE6F2C
P 11525 5700
F 0 "#PWR0116" H 11525 5450 50  0001 C CNN
F 1 "GND" H 11530 5527 50  0000 C CNN
F 2 "" H 11525 5700 50  0001 C CNN
F 3 "" H 11525 5700 50  0001 C CNN
	1    11525 5700
	-1   0    0    -1  
$EndComp
Wire Wire Line
	11525 5655 11525 5700
$Comp
L Device:R R?
U 1 1 64FE6F37
P 11525 5505
AR Path="/6579482E/64FE6F37" Ref="R?"  Part="1" 
AR Path="/64FE6F37" Ref="R15"  Part="1" 
F 0 "R15" H 11455 5459 50  0000 R CNN
F 1 "4.7k" H 11455 5550 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" V 11455 5505 50  0001 C CNN
F 3 "~" H 11525 5505 50  0001 C CNN
F 4 "OPL" H 11525 5505 50  0001 C CNN "Notes"
	1    11525 5505
	-1   0    0    1   
$EndComp
Wire Wire Line
	11525 5295 11525 5340
Wire Wire Line
	11525 5340 11445 5340
Wire Wire Line
	11445 5340 11445 5595
Connection ~ 11525 5340
Wire Wire Line
	11525 5340 11525 5355
$Comp
L Device:R_POT RV1
U 1 1 650E791F
P 12990 5115
F 0 "RV1" H 12920 5069 50  0000 R CNN
F 1 "47k" H 12920 5160 50  0000 R CNN
F 2 "SoundX:Pot_Bourns_3306P" H 12990 5115 50  0001 C CNN
F 3 "~" H 12990 5115 50  0001 C CNN
F 4 "652-3306P-1-473" H 12990 5115 50  0001 C CNN "MouserPN"
F 5 "OPL" H 12990 5115 50  0001 C CNN "Notes"
	1    12990 5115
	-1   0    0    1   
$EndComp
Wire Wire Line
	12990 5265 12990 5395
Wire Wire Line
	12145 5115 12840 5115
NoConn ~ 12990 4965
Text Notes 12620 4825 0    50   ~ 0
VARIABLE GAIN FOR\nTHE LAST AMP STAGE
Wire Bus Line
	5505 5895 5505 6595
Wire Bus Line
	14765 2285 14765 3725
Wire Bus Line
	7945 5795 7945 6595
Wire Bus Line
	1005 2565 1005 3265
Wire Bus Line
	9545 1985 9545 2685
Wire Bus Line
	12565 1780 12565 3725
$EndSCHEMATC