Panasonic SA-AK220GCP Service Manual page 54

SA-AK220GCP
SCHEMATIC DIAGRAM - 5
MAIN CIRCUIT
Q203, Q403
B1ABEB000001
HEADPHONE MUTING
SWITCH
R203
R206 R204
1
33
33
R208
R207 R205
33 33 3.3K
Q203
C203
1000P
R209
560
LHPF
Q202, Q402
B1ABEB000001
MUTING SWITCH
RHPF
C309 R310
R309
10V10 56K
27K
Q301
B1GDCFJJ0023
AUDIO MUTING
CONTROL SWITCH
LDL
L303
CD3.3V
CDR
CD7.5V
MCLK
MDATA
MLD
CBLKCK
CCDSTAT
CD_RST
R450 4.7K
C398 1000P
R382 10K
R380 10K
R369 10K
R368
10K
RESTSW
1
: +B SIGNAL LINE
: -B SIGNAL LINE
Q207, Q407
B1ABEB000001
MUTING SWITCH
R403
1
R406
R404
33
33
R405
R407
R408
33
3.3K 33
Q403
C403
1000P
R409
560
C429 C427
R428
50V0.68
2.2K
16V10
R435
C440
1.5K
R434
Q402 1000P
100K
R235
1.5K
R234
C240
Q202
100K
1000P
C227
C229 R228
16V10
50V0.68 2.2K
IC301
C0AABB000117
HEADPHONE AMP
R818
2.2K Q201
B1ABCF000131
Q301
AGC CONTROL
G0C101JA0030
R812 R814
4.7K
4.7K
C444
470P
C391
10V100
R363
R364
1K 1K
2 3 4 5 6 8 9 10 11 12 13
7
TO
SERVO CIRCUIT
(CN702) ON
SCHEMATIC DIAGRAM-2
: CD SIGNAL LINE : MAIN SIGNAL LINE
6 7 8 9
1 2 3 4 5
D401
MA2J72800L
R430
R431
C428 1K
100K
16V10
R433
R432
4.7K
B1ABCF000131
2.2K
AGC CONTROL
R427 R426
3.3K
39K
C426 C425
47P 100P
1 2 3 4
OUT1 -IN1 +IN1 GND
IC301
VCC OUT2 -IN2 +IN2
R226
8 7 6 5
R227
39K
C225
C226
47P 100P
D201
R232
R230
MA2J72800L
2.2K
1K
R231
R233 C228
100K
4.7K 16V10
Q325
Q321
Q322
R461
1K
C360
0.1
Q326
KTA12710YTA
SWITCH
14 15 16 17 18 19
CN310
54
TO
PANEL CIRCUIT
(CP602) ON
SCHEMATIC DIAGRAM-10
10 11 12 13 14 15 16 17 18 19 20 21
R820
470
Q401
R456
1.5K
R429
10K
Q407
Q401
R448
R424
4.7K
R425 C423
C424 C313
C422
47K
100P
0.01
50V1 0
C224
C223
C222
50V1 C312
100P
0
0.01
3.3K
R224
4.7K
R225
R229
47K
10K
Q319
B1GBCFJJ0039
BP SWITCH
Q201
Q318
B1GBCFJJ0039
DECK MUTING
CONTROL SWITCH
Q319
Q320
Q320, Q322
B1GBCFJJ0039
SUPPLY CONTROL SWITCH
R463
100
Q325
B1GDCFJJ0023
REC:ON/OFF CONTROL
Q321
B1GDCFJJ0023
SWITCH
Q328
B1GDCFJJ0023
SUPPLY CONTROL SWITCH
R462
1K Q327
B1GBCFJJ0039
SWITCH
CN302
22 24 25 26 27 28 29 30
23
R256
1.5K
Q207
R255
R455
100K
100K
R248
4.7
4.7
C421
16V10
R423
2.2K
C221
R223
16V10
2.2K
Q318
/CD
SW5V