Main Circuit - Panasonic SA-PM53E Service Manual

SA-PM53E / SA-PM53EB / SA-PM53EG

17.2. MAIN CIRCUIT

SCHEMATIC DIAGRAM - 2
MAIN CIRCUIT
Q301,Q302
B1ABCF000079
WA429
FAN1(+) 0
DCDET SWITCH
TO 2
FAN2(-)
FAN B1ACKD000006
1
LEVEL SWITCH
CN300
B1ABCF000079
LEVEL SWITCH
PORTSL
1 WA411
0
CL
2
SDA WA412 0
3
TUNED WA408 0
4
TO
LCH
5
TUNER PACK
STEREO
(ENG07811QF) 6
RCH
7
DET_OUT
8
+9V
9
AFGND
10
C328
Z301
0.1
QR305,QR306
B1GBCFGG0030
MOTOR SWITCH
QR305 QR306
PL
1
MOTOR_H
WA417
2
0
PGND/MOTOR
3
DECK_AD2
4
+9.6V
5
DECK_AD1
6
+9V
7
R351 10
PBL
8
PBR
9
TO
AFGND
10
DECK CIRCUIT
AFGND
11
(CN1305) ON
REC_L
SCHEMATIC
12
REC_R
DIAGRAM-5
13
REC
14
BP
15
DMT
16
DVREF+
17
VREF-
WA413
18
0
DGND
19
KEY2
20
PHOTO
21
CN340
L301
C352
G0A200D00002
6.3V100
C351
0.1
CD_L
17
AFGND
16
CD_R
15
CD3.3V
14
CD_GND
13
LDSW
12
C350 10V100
TX
11
TO
+7.5V
CD SERVO 10
PGND
CIRCUIT 9
MCLK R359 1K
(CN7002) ON
8
SCHEMATIC MDATA
R358 1K
7
DIAGRAM-1
MLD R357 1K
6
BLKCLK R356 1K
5
STAT
R355 1K WA407 0
4
/RST
R354 1K
3
RESTSW
2
1 C353
1000P
CN351
SA-PM53E/EG/EB MAIN CIRCUIT
1/2
: TAPE PLAYBACK SIGNAL LINE
: MAIN SIGNAL LINE
: -B SIGNAL LINE
: CD SIGNAL LINE : TAPE RECORD SIGNAL LINE
: +B SIGNAL LINE
D301
B0ACCK000005
+11V
WA421
0
R302
D301
10K
OP_LEVEL
Q304
R306
C301
Q303
10V220 R304 R303 4.7K
820K 58K
Q301
R305
Q303
Q304
5.6K
DCDET
CL
TU_L
SDA
R203
R201 C201
TUNED 3.9K
1000P
6.8K
AFGND
TU_L
R202
R204 C202
ST
6.8K
3.9K 1000P
TU_R
TU_R
AUX_L
DET_OUT
+9V
R211 R205 C203
5.6K 3.9K 220P
AFGND
PLUNGER
R212 R206 C211 16V10
C204
5.6K 3.9K 220P
MOTOR
AUX_R C212 16V10
PBL
R207 R209
C205
0 10K 220P
C213 16V10
AFGND
C214 16V10
R208 R210 C206
0 10K C215 16V10
220P
PBR
CD_L C216 16V10
C207
R213
12K 1000P
AFGND
C217 16V10
R214
C208
DECK_AD2 12K
1000P C218 16V10
CD_R
+9.6V
DECK_AD1 C240 50V100
AFGND
+9V
PBL
REC_L R217 18K
PBR
R215 C209
1K 1000P
AFGND
REC_L
R216 C210
REC_R
AFGND
1K 1000P
REC_R
REC
R218 18K
VREF+
DMT
DREF+
VREF-
DREF+
Q480 R480
4.7K
KEY2
B1ADCE000012
PHOTO
PCONT SWITCH
CD3.3V
PCONT
QR480
B1GBCFJJ0051
PCONT SWITCH
CD_L
DGND
CD_R
+7.5V
MCLK
MDATA
MLD
BLKCLK
CDSTAT
SRVRST
RESTSW
: FM/AM SIGNAL LINE
: AUX SIGNAL LINE
D302
B0ADCJ000020
R308
2
10K
3 R309 R310
56K 18
1
R311
100
B1ABCF000079
C303
Q302
6.3V100
R312
R227
56K
3.9K
R219
2.7K
C219
C221 50V0.35
C225
C241
16V10
0.047P
16V10
56 55 54 53 52 51 50 49 48 47 46 45 44 43
C243
50V0.47
1
IN-L1 L-OUT 42
2 41
IN-R1 NC
3
IN-L2 40
DATA
4
IN-R2 CLOCK 39
5 IN-L3 38
VCC
WA425 0
6 IN-R3 R-OUT 37
IC201
7 IN-L4 C244
C1BB00001121 POSTV-IN_R 36 C242
50V0.47
16V10
8 IN-R4 T-OUT_R 35
ASP IC
9 IN-L5 BASS-R2 34
C228 0.1
10 IN-R5
BASS-R1 33
C226 0.047P
11 IN-L6 NC 32
12 IN-R6
NC 31
C224 4700P
13 GND TRE-R 30
14 REF-IN NC 29
R278
3.9K
15 16 17 18 19 20 21 22 23 24 25 26 27 28
C239 16V100
AFGND
C234
C232
0.047
6.3V0.47
C222 C233
16V10 0.1
C220
50V0.35
AFGND
R223
100K
88
R255
15K
R261
4.7K
D201
R257
Q209 MA2J72800L
1K
AGC CONTROL
C265 R259 R263
100K 2.2K
16V10
R245
100K
C249
5600P
R239 100K
R243
R241
82K
C251 120P
8.2K
C273
16V70
WA409
R231 C245 C247
0
2.7K 100P 27P
R275 C257 R247
16V10 1K
5.6K 5 6 7 8
C238 220P
C259
C271
C237 220P
1000P
0.027
C236 0.1
IC202
R230 2.7K
C0AABB000125
C272
0.027 AFGND
OP AMP IC
C260
C200
1000P
R276
16V100 AFGND
5.6K
4 3 2 1
C246 C248 C258 R248
100P 47P 16V10 1K
R242 R244
8.2K 100K
C252 120P
R240 100K C256 R264
5600P 2.2K
R256
15K
Q210 Q210
B1ABCF000079 R258
D202
1K MA2J72B00L
AGC CONTROL
C266 R260 R262
16V10 100K 4.7K
R238 27K
R266 R265
QR201 22 22
WA426
0
B1GDCFJJ0047
R236
1K MUTE CONTROL
WA432
0
R237 C268
Q207
56K 10V10
R267
1.5K
WA431 R268
0 1.5K
AFGND
Q208
L292
HP_R
HP_L
L291
L291,L292,L295
J0JBC0000019
C263 R253 -9V
1
R249 50V3.3 220
AFGND
2 TO
1K R251
+9V
100K POWER CIRCUIT
3
(CP502) ON
R_IN
Q205 4
SCHEMATIC
AFGND
5
DIAGRAM-6
Q206
L_IN
AFGND 6
R252
CN200
100K
R250
1K
C264 R254
50V3.3 220
Q205,Q206
B1ABGC000005
+11V
MUTING SWITCH
11
MUTE_A
10
WA402 +9.6V
C382
9
0
0.1 CD_GND
WA401
8
0
+7.5V TO
7
POWER CIRCUIT
C381 PGND
6
0.1 (CP501) ON
OP_LEVEL
5
SCHEMATIC
PCONT2
4 DIAGRAM-6
DCDET
3
P_MTR_L
2
Q207,Q208,Q211,Q212
P_MTR_R
B1ABGC000005 1
AMPLIFIER
CN402
R269
22
Q211
R273
3.3K
R271
1K
R272
1K AFGND
R274
3.3K
Q212
R270
22
WA430 0
HP_GND
5
HP_SW
4
HP_R
3
HP_L
PHONES
2
C282 C281 HP_GND
1
0.022 0.022
HP_SW
6
HP_GND
7
JK201
L295
AFGND