Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM22 SA-PM22 SVC SCHdeck
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SCHEMATIC DIAGRAM-3
: +B signal line : Playback signal line : Record signal line
CASSETTE DECK CIRCUIT
R1328
100
0V 0V
CP1301 R1207 R1107
LCH Q1201 330K
10V220
330K
C1319
C1112
REC/PLAY 1 1 1000P
0V C1105 R1105
2 R1205 C1205 0.015 10K
RCH 2 10K 0.015
10V22
C1320
3 3 C1203
0V 0V C1103
4 4 6.3V47 6.3V47
ERASE R1203
25V4.7
25V4.7
C1206
Q1101
C1106
HEAD 56
5 5
R1109
R1209
C1204 C1104
27K
27K
R1301 0V 330P 330P
470K 0V 1.3V 2.1V 7.3V 1.4V 2.1V 1.3V 0V
C1212 8 7 6 5 4 3 2 1
0V 0V Q1101,Q1102,Q1201,Q1202 1000P
RECOUT PBOUT
RECOUT PBOUT
PBIN
VCC
PBIN
R.F
NF
NF
8.4V 8.4V 2SJ498CTA
HEAD SELECT
0V (REC:ON)
0V Rch
Q1202 Q1102 IC1302 Lch
RECIN
RECIN
C1213
1000P
R1213
GND
AGC
3.9K C1113
NF
NF
1000P
9 10 11 12 13 14 15 16
0V 1.3V 2.3V 0.8V 2.3V 1.3V 0V
R1302 R1201 R1101 C1215 C1115
100K 470K 470K 100P 100P
R1329
C1321
10V22
3.3M
C1208
6.3V47
1500P
C1102
R1212
R1102
R1202
C1202
1500P
R1112
15K
15K
R1216
47
C1207 47
Q1203 1.5K
50V1
2SC1740SRTA 0V R1204
25V4.7
C1111
1000P
TAPE SELECT 680
C1114
0V C1214
C1211
25V4.7 1000P
Q1203
IC1301
H=OFF
IC1301 BA7755A IC
ANALOG SW ITCH
PLAYH
vcc
1 2 3 4 5
7.3V 0V
RECH R1352 R1391
R1340 47K 22K
R1342
C1301 22K C1310 12K
50V1 1000P
RLQA470JT1-Y
8.6V R1313 R1314 R1317
15K 8.94V 10K
L1303
0V 4.7K
Q1308,Q1309 0V
0V
Q1305 2SC1740SRTA
INTERFACE 0V
C1314
3300P
Q1309
L1301 R1311
RL08B003-K 4.7 0V
R1331
6 0V 100K
C1305 C1306
1
C1309 0V
Q1306 R1315
1000P 4700P 2 0.047 0V 4.7K
5 0V
4 3 0.64V
Q1308
Q1302 C1311
2SC1845FTA
SWITCH(BEAT PROOF)
0V R1304 C1308
1000P R1316
47
16V100
Q1303
Q1303 0V 1.5K R1330
C1313 C1312 82K
2SC2001LTA 2200P 2200P
SWITCHING
(REC:0N)
0V
D1301 R1310 0V
0V R1303
10K RVD1SS133TA 10K 0V Q1313 R1354
Q1307 C1322
R1355 3.3K
6.3V47
Q1302 C1307 R1312
0V R1339
0V 47K
2.2K
C1303 50V1 7.5K
0.01 Q1305,Q1306,Q1307 Q1313
2SC1740SRTA R1325 2SC1740SRTA
BIAS OSC CONTROL TAPE SELECT
R1305 5.6K
1.5K 1 2 3 4 5 6 7 8 9
PHOTO_S
VREF-
VREF+
GND
AN7
PL
BPL
1 2 3 4 5 6 7 8 9
MA165TA
D971
PL
RECINH_R
RECINH_F
MODE
CRO2
R972
HALF
820
S971
S972
S975
S974
S973
IC971
ON2180RLC
R973
39K
PHOTO
INTERRUPTOR
MECHANISM
CIRCUIT
SCHEMATIC DIAGRAM-4
: +B signal line : Playback signal line : Record signal line
R1309 R1319
R1326 330 82K R1334
R1308 6.8K 39K
15K C1317 C1324
47P 4700P
50V3.3
C1318
R1318
C1323
6.8K
0.01 Q1330
R1335 2SC1740SRTA
TPS DRIVE
R1307 4.3V 4.3V 4.3V 8.7V 6.8K
15K 5 6 7 8
R1105 R1320
10K 0V
10K
R1322
0.16V
R1103
56
R1114 R1214 IC1303
1K
Q1330
4.7K 4.7K R1323
C1316
RVD1SS133TA
R1321 39K
0.1
10K R1324 0V
D1303
8.2K
R1210
R1110
2.2K
2.2K 4 3 2 1
V
IC1302 1.3V 4.4V 1.3V
IC1303
TA8142AP
PB/REC BA4558FE2
PRE AMP IC OP AMP IC
0V
Q1105 Q1205
C1113 R1113 0V 0V
1000P 3.9K
0V
Q1105,Q1205
V 0V
2SJ498CTA
Q1206 OV Q1106 SWITCHING
(PLAY:ON)
50V1 Q1106,Q1206
C1108 C1107
Q1103 R1116 6.3V47 RVTDTC124TST R1333
1.5K SWITCHING 4.7K
0V Q1104
R1211
0V
R1111
2SC1740SRTA
3.9K
3.9K
R1104
680 SWITCHING
(PLAY:ON) 0V
0V
Q1304 2.8V
0V
Q1103 Q1204 C1326
2SC1740SRTA 2SC1740SRTA Q1104 25V10
TAPE SELECT SWITCHING 0.07V
(PLAY:ON)
Q1304 R1395
R1332
Q1204 33K RVTDTC114TST 10K
SWITCHING DTM
PLAYH
CS1301
PL_L
9
MOTOR_L
BPL
PLAYH
RECH
8
R1391
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