Panasonic SA-PM31P Service Manual page 74

SA-PM31P / SA-PM31PC
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
R276
3.9K
R218
3.9K
R219
390
R224
3.9K
: +B SIGNAL LINE
IC300
C1BB00000757
ASP IC
C224
16V10
1 24
VIN1 DS2
C424
16V10
2 23
VIN2 INF1
3 22
SEL2OUT INF2
4 SEL1OUT BNF2 21
C220
16V10
5 A1IN BOUT2 20
C420
16V10
6 A2IN BNF1 19
C219
16V10
18
7 B1IN BOUT1
C419
16V10
8 B2IN OUT1 17
C222
16V10
9 16
C1IN OUT2
C422
16V10
10 15
C2IN VCC
11 14
FILTER S1
C234
12 13
25V47 GND SC
R418
3.9K
R419
390
C358
16V220
: MAIN SIGNAL LINE
: FM/AM SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
SSEQ_LED
SW5V
SYNC
RMT
FL_DATA
FL_CS
FL_CLK
FL_RST
C372
PCONT
50V2.2
VREF+
C270
SYS6V
820P
+9V
C470
KEY3
820P
KEY2 (TAPE EJECT)
C471
KEY1
0.27
VOL_JOG
R471
R472
390K
2.7K
C271
C472
0.27
0.27
R271
R272
390K
2.7K
C272
0.27
R_OUT
L_OUT
C445
C245
180P 180P
C363
100P
C364
100P
C373 C374
470 470
R374
1.2K
R375
4.7
+9V
C367 R373
0.1
1.2K
1 2
CN304
74
: TAPE RECORD SIGNAL LINE
: CD SIGNAL LINE
SSEQ_LED
17
SW5V
16
SYNC
15
GND2
14
RMT
13
FL_DATA
12
FL_CS
11
WA106
FL_CLK
10
FL_RST
9
PCONT
8
VREF+
7
SYS6V
6
+9V
5
KEY3
4
(TAPE EJECT) KEY2
3
KEY1
2
VOL_JOG
1
C368
0.1
R_GND
4
HI_R
3
L_GND
2
HI_L
1
LO_R
4
R_GND
3
LO_L
2
L_GND
1
3 4 5 6 7 8
TO
POWER CIRCUIT (CN504)
ON SCHEMATIC
DIAGRAM-13
CN308
TO
MAIN CONTROL
CIRCUIT (CN606)
ON SCHEMATIC
DIAGRAM-8
JK302
SPEAKER JACK
BLUE/HOAR
JK301
SPEAKER JACK
RED/BLACK