Aiwa CX-JT8, Руководство по обслуживанию

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CX-JT8
32 32
6-11. SCHEMATIC DIAGRAM – MAIN Board (3/4) (Suffix-11) – •
See page 52 for IC Block Diagram.
CN311
CN312
CN306
CN310
C385
R335
R493 C491
C315
R492
R491
R494
C492
C384
R495
R300
C341
C367
C396
R421
C400
R333
R334
R479 R337 R467
Q314
R362
R361
R366
R367
R480
R363
C330 C316
R347
C439
C329
R364
C340
R338
R339
D311
C370 C369
JR333
C386
Q327
Q328
R392
R315 Q372
C379 C377
R359
R371
R372
R391
D372 D371
D374
C398
R461 R460
D312
Q373
R433
R434
Q491
Q492
Q304
Q323
IC303
JR336
CN303
M731
R470
R393
R370
C440
JR339
JR341
C383
C382
R332
R468
R394
Q315
Q316
JR337
Q318
Q317
Q319
Q320
R336
R331
R478
R403
R340
R375
9P
19P
13P
5P
0.033 56k
100k 0.015
4.7
50V
220k
220k
220k
1
50V
0.033
22k
4.7k
47
16V
0.22
0.22
10k
22
25V
10k
8.2k
47k 1.5k 1.5k
2SK2158
22k
5.6k
270
4.7k
10k
22k
4.7
50V 4.7
50V
4.7k
4.7 100V
4.7
50V
100k
47
16V
4.7k
1k
1SS355
10
50V
10
50V
0
47
25V
2SA1235F
2SA953K
220
10k 2SC3052F
47
25V
4.7
50V
470k
4.7k
4.7k
47k
1SS355 1SS355
1SS355
10
50V
2.2k 2.2k
UDZSTE-1713B
2SC2001LK
680
2W
680
2W
2SC3052F
2SK2158
2SA953K
2SC3052
NJM2156
0
3P
3.3k
10k
10k
4.7
100V
0
0
3300p
3300p
47k
82k
10
2SK2158
2SK2158
0
2SK2158
2SK2158
2SK2158
2SK2158
27k
3.3k
2.2k
820
5.6k
4.7k
B1 B2 B3 B4 B5 B6 B7 B8 B9
B10
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
ZZ1
ZZ2
ZZ3
ZZ4
ZZ5
ZZ6
ZZ7
ZZ8
ZZ1
ZZ2
ZZ3
ZZ4
ZZ5
ZZ6
ZZ7
ZZ8
CD-MUTE
V-BASS
18 19 20
HP
21
22
23
24
SP-F
LINK
HP CTL
D GND
R-OUT
HP-GND
L-OUT
FAN+
FAN-
FAN+
L-OUT
SP-GND
R-OUT
VM(AC)
VM(AC)
VCC
LINK/MATRIX
P-GND
L-CH
A-GND
PW-GND
A-GND
RELAY B+
P+7.0V
CD DRF
GND
GOUT
GIN
VREF
OUTB
LOUTB
LINB
HOUTB
HINB
INB
HOUTA HINA INA LINA LOUTA OUTA BBE LPOUT LPIN V+
(3/4)
SWITCH
FEED BACK
BASS BOOST
CONTROL
Q327,328,372,373
FAN MOTOR ON/OFF SWITCH
ON/OFF
SPEAKER
FRONT
BASS BOOST
CONTROL
Q317-320
BASS BOOST ON/OFF SWITCH
BASS BOOST
ENHANCER
Q314-316
FERQUENCY
CONTROL
UNREG VM
IN-L
IN-R
(FAN)
D-GND
AMUTE
D.OUT
3.3V
3.3V
CD_RES
DI
DO
CL
MP3_CE
FSYNC
CD_WRQ
DRF
CD_CE
LC78646 CE
LC78646 WRQ
LC78684 SYNC
LC78646/LC78684 CLK
LC78646/LC78684 DO
LC78646/LC78684 DI
LC78646 RESET
R-CH
LC78684 CE(MP3)
RELAY
DRIVE
The components identified by mark 0 or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
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45)
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27)
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47)