Panasonic SA-AK500P, Руководство по обслуживанию

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30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 4 6 8 9 7 5 3 1
IC302
1 2 3 4
5 6 7 8
: -B SIGNAL LINE
: CD SIGNAL LINE
: MAIN SIGNAL LINE
2 4 6 8 9 7 5 3 1
CN310
R817 10K
R816 10K
R815 10K
R814 10K
R818 10K
100
R848
100 100
100 100
100
R838
100
R837
1K
R839 R847 R846 R845 R844 R843 R842 R841 R840
Q306
Q304
C809 100P
C808 100P
C807 100P
C806 470P
C805
10V100
BLKCK SUBQ
CDL
CDR
DIDA
T
A
DILRCK
DISCK
CDSCK
CDDA
T
A
CDLRCK
C7.5V
CLDCK
IPFLG
MCLK
MDA
T
A
MLD
BLKCK
SQCK SUBQ
SBCK
CDST
A
T
SR
VRST
R835
R832 R833
R834 R836
R831
1K 1K 1K 1K 1K 1K 1K 1K 1K 1K
SUBC
SW5V
CBLKCK
CSUBQ
CRESTSW
VCOF RESTSW AGND SUBC /RST ST
A
T
SBCK SUBQ SQCK BLKCK MLD MDA
T
A
MCLK PGND 384FS +7.5V IPFLAG CLDCK DGND LRCK SRDA
T
A
BCLK +3.3V DISCK DILRCK DIDA
T
A
LCH_OUT RCH_OUT LD+3.3V
R387
0
RESTSW
RESTSW
R823
10K
R824
10K
R826
10K
Q305
KRC101STA
CD STATUS INTERFACE
Q303
Q303
KRC101STA
BLK CLK INTERFACE
Q304
KRC101STA
SUBQ INTERFACE
Q306
KRC101STA
RESET INTERFACE
CMCLK
CMDA
T
A
CMLD
CSQCK
CDRST
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
MCLK MDA
T
A
MLD SQCK SR
VRST
D+3.3V
R801
4.7K
R803
4.7K
R805
4.7K
R807
4.7K
R809
4.7K
R810 10K
R808 10K
R806 10K
R804 10K
R802 10K
L801
RLL500050T-Y
C803
1000P
C804
6.3V100
Q305
CDST
A
T
CCDST
A
T
R825
10K
: +B SIGNAL LINE
CN302
Q202
Q203,Q403
KTD1304TA
MUTING SWITCH
-9V
HPR
HPL
ASP_DA
T
A
+9V -9V
MUTEA
HP GND
+9V
LED9V
DCDET
MUTE H
MIC GND
HPR
HPL
SSEQ_B
MIC
SSEQ_A
VOC_C VOC_B
ASP_CLK
ASP_DA
T
A
LM_L
LM_R
D.GND
LEVEL1
SD
PLLCE1
ST/DO/SQCK
NC NC
SW5V
MUTE A
R221
3.9K
C307
100P
C308
100P
CDL
CDR
R407
1.8K
R408
5.6K
R208
5.6K
R207
1.8K
R421
3.9K
R422
4.7K
C424
0.047
C224
0.047
R222
4.7K
R423
47K
R223
47K
C225
100P
C425
100P
R230
12K
R229
1K
R430
12K
Q402
R429
1K
Q402
KTC3875GRTA
AGC CONTROL
C227
100P
C228
47P
R225
56K
R224
3K
C226
50V0.68
C426
50V0.68
C319
0.01
C318
0.01
C427
100P C428
47P
R425
56K
R424
3K
R226
2.2K
R227
4.7K
R228
100K C229
16V10
D202
MA728TX
R426
2.2K
R427
4.7K
R428
100K C429
16V10
D402
MA728TX
C230
16V10
C231
1000P
C431
1000P
C430
16V10
R231
2.2K
R431
2.2K
Q403
R384
0
Q203
R232
100K
R432
100K
R233
1.5K
R433
1.5K
C232
50V0.33
C432
50V0.33
R236
47
R237
47
R234
47
R235
47
C233
1000P
C433
1000P
R434
47
R436
47
R435
47
R437
47
R450
3.3K
R250
3.3K
Q407
Q207
R449
1K
R249
1K
Q207,Q407
KTD1304TA
HEADPHONE
MUTING SWITCH
R337
27K
Q307
Q307
KRA102STA
AUDIO MUTING
CONTROL SWITCH
C310
10V10
R339
56K
TO
PANEL CIRCUIT
(CP600) ON
SCHEMATIC DIAGRAM-10
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
GND
VCC
IC302
C0AABB000117
HP AMP
Q202
KTC3875GRTA
AGC CONTROL
<0.02V>
((0.02V))
<-3.45V>
((0.7V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<-3.46V>
((0.7V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<-3.48V>
((0.7V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<-3.45V>
((0.7V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<-3.47V>
((1.82V)) <0.28V>
((1.92V))
<0.02V>
((0.02V))
<0.02V> ((0.02V)) <0.02V> ((0.02V)) <0.02V> ((0.02V)) <-8.36V> ((-8.4V))
<8.66V>
((8.72V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
+9V
R247
220
R447
220
R448
220K C442
6800P
R248
220K
C242
6800P
TO
CD SERVO CIRCUIT
(CN702) ON
SCHEMATIC DIAGRAM-2
C423
0.01
C223
0.01
<0.01V>
((0.02V))
<0V>
((0V))
<0V>
((0.01V))
<0.02V>
((0.01V))
<0V>
((0.01V))
<0.01V>
((0V))
<0.02V>
((0.02V))
<0V>
((0.01V))
<0V>
((0V))
<0.01V>
((0.01V))
<0.01V>
((0V))
<0V>
((0V))