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CX-JT8
6-17. SCHEMATIC DIAGRAM – MAIN Board (3/4) (Suffix-13) – •
(3/4)
CN306
13P
L-OUT
SP-GND
R-OUT
LINK/MATRIX
LINK
UNREG VM
C2
RELAY B+
IN-L
A-GND
IN-R
VCC
(Page
PW-GND
VM(AC)
42)
VM(AC)
CN310
5P
HP CTL
HP
D2
D GND
R-OUT
HP-GND
L-OUT
(Page
45)
R394
10
Q328
CN303
2SA953K
3P
FAN+
FAN-
C386
M731
JR333
47
0
(FAN)
FAN+
25V
JR336
0
CN312
19P
P-GND
P+7.0V
C448
0.1
D-GND
JR343
JR339
0
0
AMUTE
D.OUT
JR341
0
3.3V
L-CH
A2
A-GND
R-CH
3.3V
CD_RES
ZZ1
DI
ZZ2
(Page
C447
R299
DO
ZZ3
47p
10k
27)
CL
ZZ4
R390
MP3_CE
ZZ5
10k
FSYNC
ZZ6
CD_WRQ
R498
DRF
ZZ7
10k
CD_CE
ZZ8
R341
10k
CN311
9P
R499
LC78646 CE
ZZ8
10k
CD DRF
ZZ7
E2
LC78646 WRQ
LC78684 SYNC
ZZ6
LC78684 CE(MP3)
ZZ5
LC78646/LC78684 CLK
ZZ4
LC78646/LC78684 DO
ZZ2
(Page
LC78646/LC78684 DI
ZZ3
47)
LC78646 RESET
ZZ1
See page 52 for IC Block Diagram.
C316
R347
4.7
4.7k
50V
R495
22k
C329
4.7
C382
50V
3300p
R492
220k
R491
220k
Q491
2SC3052F
Q492
FEED BACK
2SK2158
SWITCH
BASS BOOST
CONTROL
C315
C492
R493
C491
R494
4.7
1
100k
0.015
220k
50V
50V
C383
3300p
R393
10k
Q373
2SC2001LK
D372
D371
R371
Q327
1SS355
1SS355
4.7k
2SA1235F
R315
Q372
10k
2SC3052F
R359
D374
R372
470k
1SS355
4.7k
R470
3.3k
C379
C377
C398
R392
R391
47
4.7
10
220
47k
25V
50V
50V
Q327,328,372,373
FAN MOTOR ON/OFF SWITCH
C358
1000p
(Page 36)
R375
∗
R339
1k
∗
R340
R403
∗
R340
∗
R375
820
(E,E51,SP,AUS)
5.6k
(E,E51,SP,AUS)
4.7k
(E,E51,SP,AUS)
1.5k
(AEP,UK,CIS)
10k (AEP,UK,CIS)
10k (AEP,UK,CIS)
C330
C340
Q315
R338
4.7
47
2SK2158
4.7k
Q314
50V
16V
Q314-316
2SK2158
FERQUENCY
CONTROL
18
19
R468
R333
R479
82k
10k
47k
C384
0.033
R332
R334
47k
8.2k
Q317
2SK2158
Q318
2SK2158
BASS BOOST
ENHANCER
Q317-320
IC303
BASS BOOST
NJM2156
CONTROL
R300
4.7k
C385
0.033
C400
22
Q323
25V
C341
2SC3052
C367
47
0.22
BASS BOOST ON/OFF SWITCH
16V
R421
10k
Q304
2SA953K
FRONT
R433
R361
R363
SPEAKER
680
5.6k
22k
2W
ON/OFF
RELAY
R460
R461
DRIVE
2.2k
2.2k
R480
10k
D312
UDZSTE-1713B
R362
C439
22k
4.7
100V
38
38
F1
F2
F3
R331
∗
∗
R331
1.5k
(AEP,UK,CIS)
R478
2.2k
3.3k (E,E51,SP,AUS)
(E,E51,SP,AUS)
Q316
2SK2158
JR337
0
20
R336
18k
(AEP,UK,CIS)
R337
R467
1.5k
1.5k
27k (E,E51,SP,AUS)
21
22
23
Q319
2SK2158
24
Q320
2SK2158
R370
10k
R367
4.7k
V-BASS
R366
270
R364
100k
(Page 39)
F4
R434
680
F5
D311
2W
1SS355
F6
C440
4.7
100V
SP-F
F7
F8
CD-MUTE
F9
F10
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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