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20.5. Deck Circuit
B
TO
MAIN CIRCUIT
(CN2803)
IN SCHEMATIC
DIAGRAM - 7
(CN2803)
IN SCHEMATIC
DIAGRAM - 7
L
TO
DECK MECHANISM
CIRCUIT (CS971)
IN SCHEMATIC
DIAGRAM - 18
DECK MECHANISM
CIRCUIT (CS971)
IN SCHEMATIC
DIAGRAM - 18
K
DECK CIRCUIT
SCHEMATIC DIAGRAM - 13
SA-VK870GC/GCS/GS
DECK CIRCUIT
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: +B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
TO MOTOR
1
4
2
3
5
1
4
2
3
5
PBLIN
ERASE
GND
PBRIN
CP1301
ERASE
HEAD
R/P
HEAD
LCH
RCH
H=OFF
vcc
RIPPLE
REJECTION
NOR/Chro
LOGIC
Mute
Mute
+
+
-
-
PB
Rec
PB AMP (L)
ALC
Rec
Rec
PB
PB
REC AMP (L)
TPS
Rec
PB
PB AMP (R)
REC/PB
LOGIC
Rec
PB
REC AMP (R)
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
16
17
18
19
20
21
22
BEATPROOF SWITCH
VCC
Nor/Cro
RF
SW
GND
L NF
L EQ
Lout
Lin
PB
PB
PB
PB
GAIN
ADJ
LOW
CUT
ALC
TPS
ALC
REC
REC
Lout
PB
PB
PB
PB
Rin
Rout
R NF
R EQ
Rin
REC
SW
Rout
PB/
REC
REC
REC
TPS
TPS
Out
REC RIN
AF GND
REC LIN
DMT
DGND
DVREF+
9V GND
PHOTO
TAPE_EJECT
REC
BP
DECK_AD2
MOTOR GND
AF GND
9V
MOTOR
PLUNGER
DECK_AD1
PB LOUT
PB ROUT
MOTOR_10V
5
4
6
3
1
2
R1374
470
R1342
47K
R1314
1K
R1210
33K
R1110
33K
R1380
0
R1345
1K
R1343
3.3K
R1344
27K
C1326
16V10
R1341
470
AFGND
AFGND
PBLOUT
VREF-
VREF+
AN7
AN6
REC
RECLIN
RECRIN
REC
PLVCC
MOTOR_VCC
MOTOR_9V
9VGND
DMT
PBR
AFGND
D9V
PBLIN
PBRIN
9VGND
9VGND
D9V
AFGND
RECH1
R1204
C1201
R1201
C1203
C1221
R1109
R1107
R1106
R1209
R1207
R1206
C1110
C1109
R1205
C1210
CP1902
WR1903
Q1316
C1209
Q1314
CN1305
R1309
R1313
C1310
R1064
C1202
R1062
D1301
L1302
L1301
G2ZZ00000024
R1061
0
R1203
18K
C1222
0.01
C1208
16V10
16V10
C1204
0.027
C1207
1500P
C1105
470P
C1122
0.01
R1103
18K
R1303 4.7M
C1304 50V4.7
C1108
16V10
C1123
270P
C1307
10V220
R1105
2.2K
C1103
16V100
C1107
1500P
C1302
0.033
R1102
1.5K
C1104
0.027
C1106
50V2.2
R1104
10K
R1101
33
C1102
1000P
C1121
1000P
1000P
50V1
C1101
R1202
1.5K
C1206
50V2.2
C1301
50V0.1
PBROUT
R1305
10K
C1223
270P
C1308
16V22
16V22
C1305
16V33
R1304 22K
C1205 470P
10K
50V1
33
16V100
1000P
1K
1K
100K
1K
1K
100K
6800P
50V3.3
2.2K
6800P
50V3.3
470
10K
50V0.1
0
1000P
0
2SD09650RA
B1GDCFGH0002
B0ACCK000005
G0C470JA0052
REC:H
1
2
7
9
10
15
18
19
16
17
12
11
14
13
8
4
1
3
2
6
5
21
20
5
2
1
4
3
Lin
Q1317
B1ABGC000001
Q1310
B1AAGC000006
Q1312
B1ABCF000011
Q1306,Q1307
B1ABCF000011
Q1315
B1ACKD000006
C1323
50V1
R1338
4.7K
R1334 22K
R1063
0
C1324
16V47
C1321
4700P
R1337
10K
C1320
50V1
C1311
16V47
R1332
10K
R1335
1.5K
R1333 4.7
C1319
16V100
C1318
0.047
R1330
4.7
C1315
2200P
VREF-
VREF-
VREF+
C1312
3300P
R1328
15K
R1329
4.7K
R1319
12K
R1320
100K
R1318
10K
AN6
RECH1
RECH1
AN7
R1322
82K
MOTOR_GND
R1321
47
C1316 1000P
C1317 1000P
R1327
4.7K
C1314
2200P
R1331
7.5K
1
2
3
4
5
6
7
8
9
Q1307
Q1306
IC1000
C1AA00000612
AUDIO HEAD SWITCH
IC1001
AN7326K
PB/REC PRE AMP
SWITCH
BIAS SWITCH
Q1309
B1AAGC000006
BIAS SWITCH
SWITCH
MOTOR DRIVE CONTROL
POWER SUPPLY
MOTOR DRIVE
Q1303
B1GBCFGH0001
INVERTER
Q1304
B1GDCFGH0002
INVERTER
Q1302
B1GDCFJJ0002
MUTING CONTROL
Q1101
B1ABGC000001
MUTING SWITCH
Q1201
B1ABGC000001
MUTING SWITCH
NC
MODE
HALF
PL
PL_GND
PHOTO_T
RECINH_F
VREF+
VREF-
TPS
R1371
22K
C1303
0.033
R1302
470
C1371
0.01
6
TP
3
TP
SA-VK870GC / SA-VK870GCS / SA-VK870GS
117
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