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2. Circuit Diagram
A. Desk Control PWB
D213
DAN202K
DSR-DSK/
CNF-9
VD
E
R161
4.7kJ
DTR-DSK/
CNF-8
D212
DAP202K
VD
R116
4.7kJ
TXD-DSK
CNF-6
TXD
CNM-9
VD
R115
4.7kJ
D
RES-DSK
CNF-10
C103
DAP202K
D201
RES
473Z/50V
CNM-8
1
3
2
D211
RXD-DSK/
CNF-7
TRC-DSK/
CNF-11
C
1
3
2
DAP202K
D210
+24V
CNF-1
C143
+
47uF/35V
C128
223Z/50V
P-GND
CNF-2
B
+5V
CNF-3
C142
+
47uF/35V
C127
473Z/50V
S-GND
CNF-5
+5V
GND2
CNF-4
C141
473Z/50V
S-GND
A
A
VD
R157
DTR210
4.7kJ
3
O
2
I
1
G
VD
DTC114YKA
R158
4.7kJ
DTR209
3
O
2
I
1
G
DAN202K
D202
DTC114YKA
1
3
2
VD
R103
4.7kJ
DTR201
3
O
2
I
1
G
DTC114YKA
VD
R117
/RES
CNM-2
4.7kJ
DTR203
3
O
2
I
1
G
C104
473Z/50V
DTC114YKA
DAN202K
VD
1
3
2
R150
DTR207
4.7kJ
3
O
2
I
1
G
DTC114YKA
VD
R162
4.7kJ
C126
222Z/50V
VB
VB
CNC-1
CND-1,3,7
CNG-1
CNH-1
CNN-1
CNB-4
CND-6,8
CNJ-1
VD
+5V
CNA-3,9
CNB-3,9,12
CND-13
CNE-3,4,9,10,15
CNI-3,9
CNJ-6,9
CNA-1,4,7
CNB-1,7,10
CND-14,16,20
CNE-1,5,7,11
MCPWS2
CNE-13
CNI-1,4,7
CNJ-4,7
CNK-6
CNL-6
CNM-10
120J1/4W
R134
CNM-6
A
AR-D15/D20 ELECTRICAL SECTION 5-5
B
DSR-DSK
VD
DTR-DSK
R130
4.7kJ
TLUD1(DLUD1)
TLUD2(DLUD2)
TXD-DSK
(DCSS12)
(DCSS13)
(DCSS14)
TMMCLK(DMMCLK)
(DCSS11)
MCSS1
MCSS2
VD
RES-DSK
MCSS3
MCSS4
TTSD(DSPD1)
R151
TDRS(DDRS)
4.7kJ
DTR-DSK
TMM-T(DMM-T)
CLOCK OUT
CNM-5
TXD-DSK
CNM-4
RXD-DSK
TRC-DSK
JP103
FC41/43 Not installed
+5V
120J1/4W
CNI-6
R143
JP102
FC41/43 Not installed
+5V
CNA-6
B
DSR-DSK
DSR-DSK
MCLUD
MCLUD
TLUD1(DLUD1)
TLUD2(DLUD2)
MCSPD
MCSPD
DHRY2/
DHRY2/
TRC-DSK
TRC-DSK
VD
33
Vcc
(DCSS12)
34
P73
(DCSS13)
35
P74/TMRIV
36
(DCSS14)
P75/TMCIV
TMMCLK(DMMCLK)
37
P76/TMOV
(DCSS11)
38
P77
MCSS1
39
P80/FTCI
MCSS2
40
P81/FTOA
MCSS3
41
P82/FTOB
MCSS4
42
P83/FTIA
TTSD(DSPD1)
43
P84/FTIB
TDRS(DDRS)
44
P85/FTIC
DTR-DSK
45
P86/FTID
TMM-T(DMM-T)
46
P87
47
P20/SCK3
TXD-DSK
48
P21/RXD
/TXD
/RXD
CNM-3
(DPWS1)
(DPWS2)
MCPWS
TPFD1(MPFD)/(DPFD1)
TPFD3
TPFD2(DPFD2)
TMM-T(DMM-T)
TDRS(DDRS)
TTSD(DSPD1)
MCSS4
MCSS3
MCSS2
MCSS1
MCSPD
TLUD2(DLUD2)
TLUD1(DLUD1)
MCLUD
(DCSS11)
(DCSS15)
(DCSS14)
(DCSS13)
(DCSS12)
(DCSS22)
C
TPFCL(DPFCL)
TPCL2(DPCL1)
TPCL1(DPCL2)
MCPCL
TLUM2(DLUM2)
TLUM1(DLUM1)
MCLUM
16
IRQ0
15
P94
14
P93
13
P92
12
P91
11
P90/FVpp
10
RES
9
OSC2
8
OSC1
7
Vss
6
X1
5
X2
4
TEST
3
AVss
2
PB0/AN0
1
PB1/AN1
IC101
HD64F3644H
+5V
D207
D209
D208
VD
DAN202K
DAN202K
DAN
T
T
T
D203
D205
D204
DAP202K
DAP202K
DAP
C
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