Panasonic SA-AK310GC Service Manual page 85

SCHEMATIC DIAGRAM - 5
MAIN CIRCUIT
Q203, Q403
KTD1304TA
R206
R204
HEADPHONE MUTING
33 33
SWITCH
R207 R205 R208 R408
33 33 3.3K 3.3K
Q203 Q403
C429
50V1
R435
1.5K
Q202, Q402
KTD1304TA
MUTING SWITCH
R235
1.5K
R254 C229
220 50V1
Q301
Q301
KRA102STA
AUDIO MUTING
CONTROL SWITCH
R324
100
PLLCE
R322
100
PLLDA
R320
100
PLLCLK
R327
10K
R328
5.6K
R329
5.6K
C321
1000P
CD3.3V
CD7.5V
TX
CDR
CDL
19 18 17 16 15 14 13 12 11 10
TO
SERVO CIRCUIT
(CN702) ON
SCHEMATIC DIAGRAM-2
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: CD SIGNAL LINE
: FM/AM SIGNAL LINE
R406
R404
33
33
R405
R407
33
33
C427
R428
16V10
2.2K
Q402
Q202
C227
R228
16V10
2.2K
IC301
C0AABB000117
HEADPHONE AMP
Q201
KTC3875GRTA
AGC CONTROL
R330
5.6K
R331
5.6K
9 8 7 6 5 4 3 2 1
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
D401 R430
MA2J72800L
1K
R433
4.7K
KTC3875GRTA
R460
AGC CONTROL
0
R426
3.3K
C426 C425
47 100P
1 2 3 4
OUT1 -IN1 +IN1 GND
IC301
VCC OUT2 -IN2 +IN2
8 7 6 5
C225
C226
47 100P
R260
R227
0
47K
D201
R230
MA2J72800L
1K
R233
4.7K
Q320 Q321
R339
4.7K
R338
4.7K
R337
4.7K
C325
100P
C324
100P
C323
100P
CN310
TO
PANEL CIRCUIT
(CP602) ON
SCHEMATIC DIAGRAM-9
Q401
Q407
Q401
Q201
R334
10K
R335
10K
R336
10K
Q322
R333
10K
Q321
KRC101STA
SUBQ INTERFACE SWITCH
Q320
KRC101STA
BLKCLK INTERFACE SWITCH
Q322
KRC101STA
CD STATUS INTERFACE SWITCH
CN302
9 8 7 6 5 4 3 2 1
Q207, Q407
KTD1304TA
MUTING SWITCH
Q207
R255
R455
100K
100K
C421
R423
16V10
2.7K
C221
R223
16V10
2.7K