SCHEMATIC DIAGRAM 9-1 Mother Board Section
DTR-8.3
P202
P204
P20
3
P7201B
P7004A TO NADG-7687 (SCH. 2)
P7002A TO NADG-7687 (SCH. 2)
Q2913
NJM4565M
3
2
1
Q2910
NJM4565M
3
2
1
Q2913
NJM4565
M
5
8
6
4
7
Q2910
NJM4565M
5
8
6
4
7
Q201
MPD4721
GS
C1+2
C1-4
C4+ 20
C4-
18
C5+
5
C5-6
7
8
14
13
GND
19
12
11
9
10
VCC3
VCHA15
VDD1
VSS
17
STBY
16
L201
BLM21A1
02F
P201
RS-232
C206
1
04Z
C233 104Z
C205
104Z
C225
104Z
C2917
10/
16
C2918
10/
16
C222
47/16
C223
47/16
C2921
10
0/6.3
C207
100/6.3
C201
1/50
C202
1/50
C203
1/50
C204
1/50
C221
47
/16
C232
1000/2
5
C231
10/ 1
6
C2903
10/16
C2904
10/16
C2902
1
1
R203
330
R201
330
R205
330
R208
330
D201
1SS352
D202
1SS3
52
D203
1SS3
52
E2903
R2906
10
K
R2905
10K
R2911
1K
R2910
2. 2
K
R2921
3.3K
R2922
10K
R2923
10K
R232
1K
R231
1K
R211
100
R224
1K
R221
2.2K
R223
2.2
K
R212
220
R222 1K
R234
150
2W
R233
2.2 (1/2W)
R2914
22
K
R2915
22K
R2916
22K
R2918
1.5K
R2917
1.5K
R2919
22K
R2908
1.5K
Q2911
RN1402
Q223
RN1
402
Q2 9 2 2
RN1402
Q2921
RN1
402
Q221
RN1
402
Q211
PC817X
Q233
NJM78M56
G
IO
Q2912
2SB
1068
Q224
2
SB1068
Q222
2SB106
8
P6830B
TO NAETC-7694
(SCH. 7)
P6832B
JL931A
P4012
A
Q232
2SC2712
Q231
2SC2712
Q2905
2SC2712
Q2907
2SC2712
P40 20A
P4011A
P7003A TO NADG-7687 (SCH. 2)
P800A TO NADG-7687 (SCH. 2)
P4010A
P29
01B
Q2904
RN240
2
Q2906
RN2402
R227
RXE030
R228
RXE03
0
R2909
RXE030
C2908
2
72J
C2922
22
3J
C2916
122
J
SUBREQ
5.6S
RLGND
RLGND
MAINCL
MAINSO
SUBSO
NETTX
NETRX
232TX
SUBREQ
232TXD
MAINCL
MAINSO
SUBSO
232RXD
NET
SUBRES
MAINREQ
SUBPOFF
SDA
5.6S SCL
+13V DSPCL
GNDDAC XRESET
GNDDAC DSPDA
+24V XDARST
RLGND XDACS
RLGND DAMUTE
DTADIM
+12V GNDDSP
12TRGB GNDDSP
12TRGA GNDDAC
SPRLF GNDDAC
SPRLZ +5VDSP
POWER +5VDAC
12TRGZ -15V
232RXD +15V
232TXD RDSDET
HPL
RI AMUT
HPE
IRIN Z2MUT
HPR
HPMUT
Z2LMUT
TNCL
GND
TNDA
GND
TNCS1
-15V
TNCS2
GND
VLSTB
+15V
VLDA
TNCL
VLCL
TNDA
TNCS1
AFCL
TNCS2
AFDA
VLSTB
AFSTB
VLDA
STEREO
VLCL
SD
AFCL
TUMUT
AFDA
PLLCE
AFSTB
POWER
SPRLF
SPRLZ2
12VTRGZ
12VTRGB
Z2MUTE
12VTRGA
AMUTE
PDIRECT
HPMUTE
5.6S
RZ2R
+13S
GNDADIN
RT
GNDADIN
GNDADIN
RT
LT
GNDADIN
GNDADIN
LT
RZ2L
DOSBL DOSBL
GND GND
DOSBR DOSBR
GND GND
DOL DOL
GND2 GND2
DOR DOR
GND GND
DOSL DO
SL
GND GND
DOSR DSR
GND GND
DOC
GND GND
DOSW DOSW
NAETC-7733
NAAR-7728
TO NAETC-7695
(SCH. 7)
U39
U35
NAAF-7718 (SCH. 4)
NAAF-7718
(SCH. 4)
NAAF-7718 (SCH. 4)
NAAF-7718
(SCH. 4)
NAPS-7691(SCH. 8)
A
1
2
3
4
5
BCD
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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