DTR-7.3
SCHEMATIC DIAGRAM 9
Mother board section
P202
P204
P203
P7201B
P7004A TO NADG-7687 (SCH. 2)
P7002A TO NADG-7687 (SCH. 2)
Q2913
NJM4565M
3
2
1
Q2910
NJM4565M
3
2
1
Q2913
NJM4565M
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
VCC
3
VCHA
15
VDD
1
VSS
17
STBY
16
L201
BLM21A102F
P201
RS-232
C2
0
6
1
04Z
C233
104Z
C205
104Z
C225
104Z
C29
1
7
10/
16
C29
1
8
10/
16
C222
47/16
C223
47/16
C
2921
10
0/6.3
C2
0
7
100/6.3
C201
1/50
C202
1/50
C203
1/50
C204
1/50
C22
1
47
/16
C232
1000/2
5
C2
3
1
10
/
1
6
C2903
10/16
C2904
10/16
C2902
10/16
R203 330
R201 330
R205
330
R208
330
D201
1SS352
D202
1SS352
D203
1SS352
E2903
R2906
10
K
R2905
10K
R2911
1K
R2
9
1
0
2.
2
K
R2921 3.3K
R2922
10K
R2923 10K
R211
100
R224
1K
R221
2.2K
R223
2.2
K
R212
220
R222
1
K
R234
150
2W
R233
2.2 (1/2W)
R2
9
1
4
22
K
R2915
22K
R2916
22K
R29
1
8
1.5K
R2917
1.5K
R2919
22K
R2908
1.5K
Q2911
RN1402
Q223
RN1402
Q2922
RN1402
Q2921
RN1402
Q221
RN1402
Q211
PC817X
Q233
NJM78M56
G
I
O
Q2912
2SB1068
Q224
2
SB1068
Q222
2SB106
8
P6830B
TO NAETC-7694
(SCH. 7)
P6832B
JL931A
P4012
A
Q2905
2SC2712
Q2907
2SC2712
P40
20A
P4011A
P7003A TO NADG-7687 (SCH. 2)
P800A TO NADG-7687 (SCH. 2)
P4010A
P29
01B
Q2904
RN2402
Q2906
RN2402
R227
RXE030
R228
RXE030
R2909
RXE030
C2908
2
72J
C2922
22 3J
C2
916
122
J
SUBREQ
5.6S
RLGND
RLGND
MAINCL
MAINSO
SUBSO
NETTX
NETRX
232TX
SUBREQ
232TXD
MAINCL
MAINSO
SUBSO
232R XD
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
G ND2
DOR
DOR
GND
GND
DOSL
DOSL
GND
GND
G
DOSR
DSR
GND
GND
G
DOC
GND
GND
G
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)
NADIS-7746(SCH. 1)
A
1
2
3
5
B
C
D
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