tape_serial.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 11
Title "Commodore C64C - Assy 250469-01 Rev. A"
Date "2020-04-15"
Rev "1"
Comp "https://github.com/KicadRetroArchive"
Comment1 "KiCad schematic licensed under CERN-OHL-S"
Comment2 "WARNING: These schematics might contain errors!"
Comment3 "Author: Andrea Cisternino <a.cisternino@gmail.com>"
Comment4 ""
$EndDescr
$Comp
L Device:C C?
U 1 1 5E31C6DD
P 4950 2200
AR Path="/5E1CEE0C/5E31C6DD" Ref="C?"  Part="1" 
AR Path="/5E2FB209/5E31C6DD" Ref="C94"  Part="1" 
F 0 "C94" H 5065 2246 50  0000 L CNN
F 1 "150p" H 5065 2155 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4988 2050 50  0001 C CNN
F 3 "~" H 4950 2200 50  0001 C CNN
	1    4950 2200
	1    0    0    -1  
$EndComp
Text Notes 5430 3070 2    40   ~ 0
CN4
$Comp
L Connector:DIN-6 J?
U 1 1 5E31C703
P 5500 2650
AR Path="/5E1CEE0C/5E31C703" Ref="J?"  Part="1" 
AR Path="/5E2FB209/5E31C703" Ref="J4"  Part="1" 
F 0 "J4" H 5350 2900 50  0000 C CNN
F 1 "DIN-6" H 5750 2400 50  0000 C CNN
F 2 "krl_Connector_DIN:C64_Original_DIN-6_Circular" H 5500 2650 50  0001 C CNN
F 3 "http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf" H 5500 2650 50  0001 C CNN
	1    5500 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 2550 4950 2550
Wire Wire Line
	4950 2550 4950 2350
Wire Wire Line
	4950 2050 4950 2000
Wire Wire Line
	4950 2000 5500 2000
Connection ~ 4950 2550
Wire Wire Line
	5500 2000 5500 2250
Connection ~ 5500 2250
Wire Wire Line
	5500 2250 5500 2350
Wire Wire Line
	5200 2750 5150 2750
Wire Wire Line
	5150 2750 5150 2950
Text Notes 2450 1200 0    200  ~ 0
SERIAL BUS
$Comp
L Diode:1N914 D?
U 1 1 5E31C74A
P 4100 3150
AR Path="/5E1CEE0C/5E31C74A" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E31C74A" Ref="D14"  Part="1" 
F 0 "D14" V 4054 3230 50  0000 L CNN
F 1 "1N914" V 4145 3230 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 4100 2975 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 4100 3150 50  0001 C CNN
	1    4100 3150
	0    -1   1    0   
$EndComp
$Comp
L Diode:1N914 D?
U 1 1 5E31C750
P 4100 2800
AR Path="/5E1CEE0C/5E31C750" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E31C750" Ref="D9"  Part="1" 
F 0 "D9" V 4054 2880 50  0000 L CNN
F 1 "1N914" V 4145 2880 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 4100 2625 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 4100 2800 50  0001 C CNN
	1    4100 2800
	0    -1   1    0   
$EndComp
Connection ~ 4100 2950
$Comp
L power:+5V #PWR?
U 1 1 5E31C759
P 4100 2650
AR Path="/5E1CEE0C/5E31C759" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E31C759" Ref="#PWR0101"  Part="1" 
F 0 "#PWR0101" H 4100 2500 50  0001 C CNN
F 1 "+5V" H 4115 2823 50  0000 C CNN
F 2 "" H 4100 2650 50  0001 C CNN
F 3 "" H 4100 2650 50  0001 C CNN
	1    4100 2650
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E31C75F
P 4100 3400
AR Path="/5E1CEE0C/5E31C75F" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E31C75F" Ref="#PWR0102"  Part="1" 
F 0 "#PWR0102" H 4100 3150 50  0001 C CNN
F 1 "GND" H 4105 3227 50  0000 C CNN
F 2 "" H 4100 3400 50  0001 C CNN
F 3 "" H 4100 3400 50  0001 C CNN
	1    4100 3400
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5E31C765
P 3550 3150
AR Path="/5E1CEE0C/5E31C765" Ref="C?"  Part="1" 
AR Path="/5E2FB209/5E31C765" Ref="C4"  Part="1" 
F 0 "C4" H 3600 3250 50  0000 L CNN
F 1 "470p" H 3600 3050 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 3588 3000 50  0001 C CNN
F 3 "~" H 3550 3150 50  0001 C CNN
	1    3550 3150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4100 2950 3550 2950
Wire Wire Line
	5800 2750 6000 2750
Wire Wire Line
	6000 2750 6000 2950
Wire Wire Line
	6050 2250 6050 1500
Wire Wire Line
	5500 2250 6050 2250
Wire Wire Line
	6900 2550 6900 1500
Wire Wire Line
	5800 2550 6900 2550
$Comp
L Diode:1N914 D?
U 1 1 5E343C29
P 5900 1500
AR Path="/5E1CEE0C/5E343C29" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E343C29" Ref="D13"  Part="1" 
F 0 "D13" H 5850 1650 50  0000 L CNN
F 1 "1N914" H 5750 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 5900 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 5900 1500 50  0001 C CNN
	1    5900 1500
	1    0    0    -1  
$EndComp
$Comp
L Diode:1N914 D?
U 1 1 5E346844
P 6200 1500
AR Path="/5E1CEE0C/5E346844" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E346844" Ref="D17"  Part="1" 
F 0 "D17" H 6150 1650 50  0000 L CNN
F 1 "1N914" H 6100 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 6200 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 6200 1500 50  0001 C CNN
	1    6200 1500
	1    0    0    -1  
$EndComp
Connection ~ 6050 1500
$Comp
L Diode:1N914 D?
U 1 1 5E348190
P 6750 1500
AR Path="/5E1CEE0C/5E348190" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E348190" Ref="D12"  Part="1" 
F 0 "D12" H 6700 1650 50  0000 L CNN
F 1 "1N914" H 6600 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 6750 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 6750 1500 50  0001 C CNN
	1    6750 1500
	1    0    0    -1  
$EndComp
$Comp
L Diode:1N914 D?
U 1 1 5E34969A
P 7050 1500
AR Path="/5E1CEE0C/5E34969A" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E34969A" Ref="D16"  Part="1" 
F 0 "D16" H 7000 1650 50  0000 L CNN
F 1 "1N914" H 6950 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 7050 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 7050 1500 50  0001 C CNN
	1    7050 1500
	1    0    0    -1  
$EndComp
Connection ~ 6900 1500
$Comp
L Diode:1N914 D?
U 1 1 5E349D45
P 7600 1500
AR Path="/5E1CEE0C/5E349D45" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E349D45" Ref="D11"  Part="1" 
F 0 "D11" H 7550 1650 50  0000 L CNN
F 1 "1N914" H 7450 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 7600 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 7600 1500 50  0001 C CNN
	1    7600 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 1500 6600 1050
Wire Wire Line
	6600 1050 5750 1050
Wire Wire Line
	5750 1050 5750 1500
Wire Wire Line
	7450 1500 7450 1050
Wire Wire Line
	7450 1050 6600 1050
Connection ~ 6600 1050
Wire Wire Line
	6400 1500 6400 1800
$Comp
L power:GND #PWR?
U 1 1 5E34FC39
P 7250 1900
AR Path="/5E1CEE0C/5E34FC39" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E34FC39" Ref="#PWR0103"  Part="1" 
F 0 "#PWR0103" H 7250 1650 50  0001 C CNN
F 1 "GND" H 7255 1727 50  0000 C CNN
F 2 "" H 7250 1900 50  0001 C CNN
F 3 "" H 7250 1900 50  0001 C CNN
	1    7250 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 1800 7250 1800
Wire Wire Line
	7250 1500 7250 1800
Connection ~ 7250 1800
Wire Wire Line
	7250 1800 8100 1800
Wire Wire Line
	7250 1800 7250 1900
$Comp
L power:+5V #PWR?
U 1 1 5E352A55
P 6600 950
AR Path="/5E1CEE0C/5E352A55" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E352A55" Ref="#PWR0104"  Part="1" 
F 0 "#PWR0104" H 6600 800 50  0001 C CNN
F 1 "+5V" H 6615 1123 50  0000 C CNN
F 2 "" H 6600 950 50  0001 C CNN
F 3 "" H 6600 950 50  0001 C CNN
	1    6600 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 950  6600 1050
Text GLabel 6200 2250 2    50   Input ~ 0
ATN
Wire Wire Line
	6050 2250 6200 2250
Connection ~ 6050 2250
Text GLabel 7050 2550 2    50   BiDi ~ 0
CLK
Wire Wire Line
	7050 2550 6900 2550
Connection ~ 6900 2550
Text GLabel 7900 2950 2    50   BiDi ~ 0
DATA
Wire Wire Line
	4100 2950 5150 2950
Text GLabel 3200 2950 0    50   Output ~ 0
~SRQ
Wire Wire Line
	3200 2950 3550 2950
Connection ~ 3550 2950
Wire Wire Line
	4100 3300 4100 3350
Wire Wire Line
	4100 3000 4100 2950
Wire Wire Line
	3550 3000 3550 2950
Wire Wire Line
	3550 3300 3550 3350
Wire Wire Line
	3550 3350 4100 3350
Connection ~ 4100 3350
Wire Wire Line
	4100 3350 4100 3400
$Comp
L power:GND #PWR0105
U 1 1 5E370700
P 4600 2600
F 0 "#PWR0105" H 4600 2350 50  0001 C CNN
F 1 "GND" H 4605 2427 50  0000 C CNN
F 2 "" H 4600 2600 50  0001 C CNN
F 3 "" H 4600 2600 50  0001 C CNN
	1    4600 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 2550 4600 2600
Wire Wire Line
	4600 2550 4950 2550
Wire Wire Line
	5500 3350 6350 3350
Wire Wire Line
	5500 2950 5500 3350
Text GLabel 6350 3350 2    50   Input ~ 0
~EXTRST
Text Notes 3200 6000 0    40   ~ 0
CN3
Text Notes 1150 4400 0    200  ~ 0
CASSETTE
$Comp
L Device:C C?
U 1 1 5E3A02D9
P 4150 4700
AR Path="/5E1CEE0C/5E3A02D9" Ref="C?"  Part="1" 
AR Path="/5E2FB209/5E3A02D9" Ref="C1"  Part="1" 
F 0 "C1" H 4265 4746 50  0000 L CNN
F 1 "0.1u" H 4265 4655 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4188 4550 50  0001 C CNN
F 3 "~" H 4150 4700 50  0001 C CNN
	1    4150 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3510 5200 3750 5200
Wire Wire Line
	3510 5750 3650 5750
Wire Wire Line
	3650 5750 3650 6100
Wire Wire Line
	3510 5650 3750 5650
Wire Wire Line
	3510 5300 3650 5300
Wire Wire Line
	3750 5650 3750 5900
$Comp
L Device:C C2
U 1 1 5E3A02EB
P 4100 6350
F 0 "C2" H 4215 6396 50  0000 L CNN
F 1 "470p" H 4215 6305 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4138 6200 50  0001 C CNN
F 3 "~" H 4100 6350 50  0001 C CNN
	1    4100 6350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5E3A02F1
P 4100 6600
F 0 "#PWR0106" H 4100 6350 50  0001 C CNN
F 1 "GND" H 4105 6427 50  0000 C CNN
F 2 "" H 4100 6600 50  0001 C CNN
F 3 "" H 4100 6600 50  0001 C CNN
	1    4100 6600
	1    0    0    -1  
$EndComp
$Comp
L krl_Transistor_BJT:2SD313E Q1
U 1 1 5E3A02F7
P 5750 5200
AR Path="/5E3A02F7" Ref="Q1"  Part="1" 
AR Path="/5E2FB209/5E3A02F7" Ref="Q1"  Part="1" 
F 0 "Q1" H 5942 5246 50  0000 L CNN
F 1 "2SD313" H 5942 5155 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown" H 5950 5125 50  0001 L CIN
F 3 "" H 5750 5200 50  0001 L CNN
	1    5750 5200
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3510 5550 3850 5550
Wire Wire Line
	3850 5550 3850 5700
Wire Wire Line
	5650 5450 5650 5400
Wire Wire Line
	5650 5000 5650 4650
Wire Wire Line
	5650 4650 6200 4650
Wire Wire Line
	5950 5200 6200 5200
$Comp
L Device:R R1
U 1 1 5E3A0305
P 6200 4900
F 0 "R1" H 6270 4946 50  0000 L CNN
F 1 "470" H 6270 4855 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal" V 6130 4900 50  0001 C CNN
F 3 "~" H 6200 4900 50  0001 C CNN
	1    6200 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 4750 6200 4650
Connection ~ 6200 4650
Wire Wire Line
	6200 4650 6800 4650
Wire Wire Line
	6200 5050 6200 5200
Connection ~ 6200 5200
Wire Wire Line
	6200 5800 6200 5650
Wire Wire Line
	6200 5350 6200 5200
$Comp
L Transistor_BJT:2SC1815 Q2
U 1 1 5E3A0312
P 6950 5500
F 0 "Q2" H 7141 5546 50  0000 L CNN
F 1 "2SC1815" H 7141 5455 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 7150 5425 50  0001 L CIN
F 3 "https://media.digikey.com/pdf/Data%20Sheets/Toshiba%20PDFs/2SC1815.pdf" H 6950 5500 50  0001 L CNN
	1    6950 5500
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E3A0318
P 6850 5900
AR Path="/5E1CEE0C/5E3A0318" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E3A0318" Ref="#PWR0107"  Part="1" 
F 0 "#PWR0107" H 6850 5650 50  0001 C CNN
F 1 "GND" H 6855 5727 50  0000 C CNN
F 2 "" H 6850 5900 50  0001 C CNN
F 3 "" H 6850 5900 50  0001 C CNN
	1    6850 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 5300 6850 5200
Wire Wire Line
	6850 5200 6200 5200
Wire Wire Line
	6850 5700 6850 5800
Wire Wire Line
	6200 5800 6850 5800
Connection ~ 6850 5800
Wire Wire Line
	6850 5800 6850 5900
$Comp
L Device:C C?
U 1 1 5E3A0324
P 4150 5200
AR Path="/5E1CEE0C/5E3A0324" Ref="C?"  Part="1" 
AR Path="/5E2FB209/5E3A0324" Ref="C84"  Part="1" 
F 0 "C84" H 4265 5246 50  0000 L CNN
F 1 "0.1u" H 4265 5155 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4188 5050 50  0001 C CNN
F 3 "~" H 4150 5200 50  0001 C CNN
	1    4150 5200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5E3A033B
P 4600 6350
F 0 "C3" H 4715 6396 50  0000 L CNN
F 1 "470p" H 4715 6305 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4638 6200 50  0001 C CNN
F 3 "~" H 4600 6350 50  0001 C CNN
	1    4600 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 6500 4100 6550
Wire Wire Line
	4600 6500 4600 6550
Wire Wire Line
	4600 6550 4100 6550
Connection ~ 4100 6550
Wire Wire Line
	4100 6550 4100 6600
Wire Wire Line
	3750 5900 4600 5900
Wire Wire Line
	3650 6100 4100 6100
Wire Wire Line
	4100 6200 4100 6100
Connection ~ 4100 6100
Wire Wire Line
	4100 6100 5100 6100
Wire Wire Line
	4600 6200 4600 5900
Connection ~ 4600 5900
Wire Wire Line
	4600 5900 5300 5900
$Comp
L Device:R R?
U 1 1 5E3A034E
P 7450 5500
AR Path="/5E1CEE0C/5E3A034E" Ref="R?"  Part="1" 
AR Path="/5E2FB209/5E3A034E" Ref="R3"  Part="1" 
F 0 "R3" V 7243 5500 50  0000 C CNN
F 1 "1k" V 7334 5500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 7380 5500 50  0001 C CNN
F 3 "~" H 7450 5500 50  0001 C CNN
	1    7450 5500
	0    1    1    0   
$EndComp
Wire Wire Line
	7150 5500 7300 5500
Wire Wire Line
	7600 5500 7900 5500
Text Label 4600 5450 0    50   ~ 0
MOTOR
Text Notes 4450 5700 0    50   Italic 0
Also CASS_RD
Wire Wire Line
	5100 6100 5100 6800
Wire Wire Line
	5100 6800 5650 6800
Text Notes 2950 6100 0    40   ~ 0
(6 PIN MALE EDGE)
Wire Wire Line
	5300 5900 5300 6450
Wire Wire Line
	5300 6450 5650 6450
Wire Notes Line
	750  3800 10750 3800
Text Notes 5430 3170 2    40   ~ 0
(6 PIN FEMALE DIN)
Wire Wire Line
	3510 5450 4150 5450
Wire Wire Line
	3650 4450 3650 5300
$Comp
L power:+5V #PWR?
U 1 1 5E3B6680
P 4700 4400
AR Path="/5E1CEE0C/5E3B6680" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E3B6680" Ref="#PWR0108"  Part="1" 
F 0 "#PWR0108" H 4700 4250 50  0001 C CNN
F 1 "+5V" H 4715 4573 50  0000 C CNN
F 2 "" H 4700 4400 50  0001 C CNN
F 3 "" H 4700 4400 50  0001 C CNN
	1    4700 4400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E3B72BC
P 4700 5000
AR Path="/5E1CEE0C/5E3B72BC" Ref="#PWR?"  Part="1" 
AR Path="/5E2FB209/5E3B72BC" Ref="#PWR0109"  Part="1" 
F 0 "#PWR0109" H 4700 4750 50  0001 C CNN
F 1 "GND" H 4705 4827 50  0000 C CNN
F 2 "" H 4700 5000 50  0001 C CNN
F 3 "" H 4700 5000 50  0001 C CNN
	1    4700 5000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3750 5200 3750 4950
Wire Wire Line
	3750 4950 4150 4950
Wire Wire Line
	4700 4950 4700 5000
Text GLabel 5650 6100 2    50   Output ~ 0
~SRQ
Wire Wire Line
	4150 5050 4150 4950
Connection ~ 4150 4950
Wire Wire Line
	4150 4950 4700 4950
Wire Wire Line
	4150 5350 4150 5450
Connection ~ 4150 5450
Wire Wire Line
	4150 5450 5650 5450
Wire Wire Line
	4150 4850 4150 4950
Wire Wire Line
	3650 4450 4150 4450
Wire Wire Line
	4150 4550 4150 4450
Wire Wire Line
	4700 4400 4700 4450
Wire Wire Line
	4700 4450 4150 4450
Connection ~ 4150 4450
Text GLabel 7900 5500 2    50   Input ~ 0
C_MOTOR
Text GLabel 5650 6450 2    50   Input ~ 0
C_WRITE
Text GLabel 5650 6800 2    50   Output ~ 0
C_SENSE
Wire Wire Line
	5650 6100 5500 6100
Wire Wire Line
	5500 6100 5500 5700
Wire Wire Line
	5500 5700 3850 5700
Wire Wire Line
	6400 1500 6350 1500
Wire Wire Line
	7250 1500 7200 1500
Connection ~ 7750 1500
Wire Wire Line
	7750 2950 7900 2950
Wire Wire Line
	6000 2950 7750 2950
Connection ~ 7750 2950
Wire Wire Line
	7750 2950 7750 1500
Wire Wire Line
	8050 1500 8100 1500
Wire Wire Line
	8100 1500 8100 1800
$Comp
L Diode:1N914 D?
U 1 1 5E34B768
P 7900 1500
AR Path="/5E1CEE0C/5E34B768" Ref="D?"  Part="1" 
AR Path="/5E2FB209/5E34B768" Ref="D15"  Part="1" 
F 0 "D15" H 7850 1650 50  0000 L CNN
F 1 "1N914" H 7800 1350 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P5.08mm_Vertical_KathodeUp" H 7900 1325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 7900 1500 50  0001 C CNN
	1    7900 1500
	1    0    0    -1  
$EndComp
Text Notes 2750 2750 0    50   ~ 0
This is also labeled\nas CASS_RD
Text Notes 1600 5500 0    50   ~ 0
The edge connector is dual-sided\nwith corresponding pads connected
$Comp
L 250469-01:Conn_02x6_Edge J3
U 1 1 5E497C69
P 3260 5500
F 0 "J3" H 3260 6050 50  0000 C CNN
F 1 "Conn_02x6_Edge" H 3260 5950 50  0000 C CNN
F 2 "250469-01:Connector_Edge_2x6_P3.96mm" H 3210 5300 50  0001 C CNN
F 3 "" H 3210 5300 50  0001 C CNN
	1    3260 5500
	-1   0    0    -1  
$EndComp
$Comp
L 250469-01:+9V_UNREG #PWR01
U 1 1 5E6E6E13
P 6800 4550
F 0 "#PWR01" H 6800 4400 50  0001 C CNN
F 1 "+9V_UNREG" H 6815 4723 50  0000 C CNN
F 2 "" H 6800 4550 50  0001 C CNN
F 3 "" H 6800 4550 50  0001 C CNN
	1    6800 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 4550 6800 4650
$Comp
L krl_Diode:RD6.8EB D1
U 1 1 5E981005
P 6200 5500
F 0 "D1" V 6150 5300 50  0000 L CNN
F 1 "RD6.8EB" V 6250 5100 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 6200 5275 50  0001 C CIN
F 3 "" H 6200 5500 50  0001 C CNN
F 4 "BZX79-C6V8" H 6200 5700 50  0001 C CNN "Equivalent"
	1    6200 5500
	0    1    1    0   
$EndComp
$EndSCHEMATC