Main Circuit - Panasonic SA-PM31P Service Manual

17.2. Main Circuit

SCHEMATIC DIAGRAM-3
CN101
PORTSL
1
CL
2
SDA
3
TUNED
TO 4
LCH
TUNER PACK
5
Z301 STEREO
6
ENG06810QF
RCH
7
8
T9V
9
TGND
10
JK303
Lch 3
AUX 1
Rch 2
CN309
PLUNGER
1
MOTOR
2
PGND
3
DECK_AD2
4
MO10V
5
DECK_AD1
6
+9V
7
PBL
8
PBR
9
TO
DECK_A_GND
10
DECK CIRCUIT
GND1
11
(CN1305) ON
REC_L
SCHEMATIC
12
REC_R
DIAGRAM-10
13
REC
14
15
DMT
16
DVREF+
17
DGND
18
9V GND
19
KEY2 (TAPE_EJECT)
20
PHOTO
21
G0C100JA0030
JK600
HEADPHONE
1
5
4
3
2
6
7
MAIN CIRCUIT
C301
Q201
0.1
B1ABCE000016
REGULATOR
C201
16V330P
R211
1.8K
C211 L203 C212
470P J0JBC0000019 1000P
C412
C411
R411
C326
470P 1000P
1.8K
0.01
R462
10
KEY2 (TAPE_EJECT)
Q309
KRC101STA
PLUNGER SWITCH
Q310
KRC101STA
MOTOR SWITCH
L600
J0JBC0000019
C605
L602 L601
C604
0.022 J0JBC0000019
0.022
C603 C619
0.001 0.1
: MAIN SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: +B SIGNAL LINE
CL
SDA
TUNED
TUN_L
IC305
ST
C0DBZGC00067
TUN_R
3.3V REG IC
5 4
CD3.3V
T10V
C381
50V2.2
R201
180
D201
B0BC01000014
AUX_L
KRA102STA
MUTTING SWITCH
AUXMUTE
AUX_R
DECK_AD2
MO10V
DECK_AD1
+9V AUX_L
PBL
PBR
AUX_R
REC_L
REC_R
REC
CD_R
DMT
DVREF+
PHOTO
CD_L
PLUNGER
C400
0.018
C200
MOTOR 1000P
TUN_L
TUN_R
WA214
PBL
HP_R
HP_L
HP_GND
HP_SW
WA414
PBR
73
SA-PM31P / SA-PM31PC
: FM/AM SIGNAL LINE
: CD SIGNAL LINE
: AUX SIGNAL LINE
3 2 1
C380
0.1u
Q223,Q423
B1ABCE000016
MUTTING SWITCH
R273
Q200
1K
R473
1K
R274
1K
Q224
R474
1K
Q424
Q224,Q424
B1ABCE000016
MUTTING SWITCH R475
1.8K
WA116
R421
C417
12K
1000P
R221 C217
12K
1000P
WA115
R420
2.7K
R422
1K
Q422
B1ABCE000016
R220
MUTTING SWITCH
2.7K R222
1K
Q222
WA212
WB203
R214
C214
10K
220P
R414
C414
10K
220P
Q400
KRA102STA
MUTTING SWITCH
Q223
Q423
R275
1.8K
R476
3.9K
R424
3.9K
Q222,Q422