JVC UX-TB30B Service Manual page 30

Standard schematic diagrams
MAIN section
CN302
R302 2K2
AUX-R
1
AUX-AGND
2
R301 2K2
AUX-L
3
JK301
ANGD
1
ANGD
2
AUX-L
3 R348 10K
ANGD
4
AUX-AGND
5
AUX-R
6
MAIN-R
7
MAIN-L
8
D303 1N4148 R452 4K7
MUTE
9
NC
10
VCC_MOTO D309 1N4148 R466 4K7
11
VCC+9V
12
CD+8V
13
CD+8V
14
CD-GND
15
CD-GND
16
P-CD
17
CD-GND
18
TUNER-GND
19
TUNER-GND
20
MCU+3V3
21
USB+5V
22
USB+5V
23
ECO-CTL
24
VOL+
25
VOL-
26
LCD-DAT
27
LCD-RW
28
LCD-CS
29
KEY1
30
REMOTE
31
MCU-GND
32
MCU-GND
33
MCU-GND
34
CN708
To DISPLAY section CN303
Q307
8050
R393
R332
10K
27k
DGND
D301
R422 4K7
1N4148 DGND
R347
4K7
Q304 Q308
9014 8050
IC401 7805
R404
1 3
OUT IN
2
Q403 R405
2R2 1W
1185
R406
10K
R409 2K
R459 2K
R408
4K7
R403
Q406
R460
1936
2R2 1/4W
CN402
CN1101
To RECTIFIER section CN405
To RECTIFIER section
IC302
Q305
8050
C321 R445
R305
1K
2K7 4.7uF
R321 C319 R446
4.7uF
2K7 1K
Q313
Q314
1936 1936
Q301
8050
D302 SR34
IC402 7809
2R2 1W
1 3
OUT IN
2
R420
100 1/4W
Q409 R419
9014 1K
R311 4K7
DB1101
KBL406G
1 2
1K
Q309
8550
DGND
CN404
2-2
C454
100P
5 6
4 3
R343
Q303
NC
C452 103
103
C451
IC404
7809
R423
10 1/2W
1 3
OUT IN
IC403
2 7812
R416 DB1102
22 1/2W
1 3 KBL406G
OUT IN
1
Q410
2
8550
C323
R328 CN305
220uF
120K
AGND
1
PH-L
2
7 8
PH-R
3
MUTE
4
2 1
C326
C453
220uF
100P
R340
120K
R392
R463
1k
NC
Q306
47K 9014
C763
R462
NC
NC
Q302
R391
NC
4K7
ROUT+
1
ROUT-
2
LOUT+
3
LOUT-
4
ROUT+
ROUT-
SPEAKER
6 OHM
3.3uF
LOUT+
LOUT-
3.3uF
2
2
1
FS1102
CN1104
T6.3AL 250V
D306 1N4001
D307 1N4001