Panasonic SA-AK570PL Servise Manual page 95

18.6. (I) Deck Circuit
1 2 3
SCHEMATIC DIAGRAM - 9
A
DECK CIRCUIT
: +B SIGNAL LINE
B
CP1301
ERASE
ERASE
HEAD 5 5
PBRIN
4 4
SIGNAL
RCH
3 3
R/P
PBLIN
2 2
HEAD
GND
LCH 1 1
C
IC1000 6
D
C1AA00000612
ANALOG SWITCH
VCC SW
1
R1334
22K
C1324
R1338
16V47
4.7K
C1323
50V1
R1333
4.7
L1301
E
G2ZZ00000024
6 1
5 2
4 3
D1301
B0ACCK000005
R1337
10K D1301
R1335
Q1317 1.5K
Q1317
F
B1ABGC000005
BEATPROOF LEVELSWITCH
G
H
1 2 3
4 5 6
: -B SIGNAL LINE : TAPE RECORD SIGNAL LINE
C1105
820P
R1103
18K
PBL_IN
C1123
C1122
270P
0.01
R1101 C1104 R1104
C1102 C1303
0.027 10K
1500p 33
0.033
C1101
50V1
C1108
16V10 R1303
4.7M
R1302 C1304
C1121 470
50V4.7
C1107
1000p
1500P
19 14
22 21 20 18 17 16 15 13
REC
PB PB PB PB ALC TPS REC
ALC
Nor/Cro
LOW Lout
Lin L NF L EQ L out GAIN Lin
SW
OUT
ADJ PB Rec
PB Rec
- +
IC1001
NOR/Chro
PB
PB AMP (L)
LOGIC
AN7326K
Rec
Mute
REC AMP (L)
ALC
DECK R/P IC
REC AMP (R)
TPS IC1001
Rec
PB AMP (R)
RIPPLE
Mute
- +
Rec REJECTION
PB
PB REC/PB
LOGIC
PB PB PB PB TPS REC REC PB/REC
TPS
Rin R NF R EQ Rout Out Rin Rout SW
1 2 3 4 5 6 8 9 10
7
C1207
C1221
1500P
1000p C1208
C1301 R1304 C1305
16V10
50V0.1 22K 16V33
PBRIN
C1203
C1204
16V100
0.027
R1204
10K
C1202 C1223
C1371 270P
1500p R1201 R1305
0.01
10K
33
R1203 C1222
18K 0.01
IC1000
C1205
820P
GND CTRL2 CTRL1
2 3 4 5
L1302
G0C470JA0052
D9V
Q1309,Q1310 RECH1
B1AAGC000006 TPS
BIAS SWITCH R1371
RECH1 R1401
22K
12K
C1316
R1318
Q1309
1000p R1329 R1328
10K
4.7K 15K
R1330
C1312 R1404
4.7
3300p
22k
Q1310 R1327
4.7K
C1318
0.047
C1317
1000p
R1405
C1319 C1315
C1314 12K
16V100
2200p 2200p
Q1312
R1332
10K
C1311
16V47
R1331
4.7k
C1320
50V10
Q1312
B1ABCF000011
SWITCH 1 2 3 4 5 6 7 8
CP1902
TO
DECK MECHANISM
CIRCUIT
(CS971) IN
SCHEMATIC
DIAGRAM-10
4 5 6
7 8 9 10
: TAPE PLAYBACK SIGNAL LINE
PBLOUT
C1307
10V220
12
Vcc
R1105 R1109
2.2K 1K
C1110 R1106
1500p 100K
GND
RF R1209
R1205
11 2.2K 1K
C1210 R1206
C1308
1500p 100K
16V22
C1109
50V3.3
C1209
50V3.3
R1309
470
D9V
Q1304
B1GDCFGH0002
REC:H
RECH1
AN6
R1210
33K
VREF+
R1403
10K
R1314
AN7
1K
VREF- Q1303
B1GBCFGH0001
SWITCH
R1402
270K 9VGND
PHOTO
Q1314
B1GDCFGH0002
Q1315
SWITCH
Q1314 R1342
47K
R1344
27K
9
R1341 R1374
470
470
R1343
Q1316 3.3K
R1345
2SD09650RA
1K
SWITCH
MOTOR_GND
GND
1 2
WR1903
1 2
7 8 9 10
95
11 12 13
GND SHIELDING
R1380
0
R1061
0
R1063
0
R1064
0
DGND
CN1305
PHOTO
21
PHOTO
NC
20
19 9V_GND
VREF-
18 VREF-
17 VREF+
16 DMT
VREF+
15 BP
14
REC
13 REC Rin
TO
12 REC Lin
MAIN CIRCUIT
R1110 (CN2011) IN
11 AF_GND
33K
SCHEMATIC
10 AF_GND
DIAGRAM - 2
REC 9 PB Rout
8 PB Lout
D9V
7 9V(D9V)
AN7
6 AN7
VREF-
5 MOTOR_12V
AN6
4 AN6
3 MOTOR_GND
2 MOTOR
1 PLUNGER
Q1315
B1ACKD000006
SWITCH
C1326
16V10
SA-AK570PL/GCP DECK CIRCUIT
11 12 13
SA-AK570PL / SA-AK570GCP
14
A
B
C
D
E
F
G
H
14