JVC TV-13142 Service Manual page 18

[ OPERATION PWB CIRCUIT DIAGRAM ]
A B
8
7
6
5
FROM/TO I/O
CD757 (CP757)
CH2A020A
10 REMOCON IN
9 GND
8 AT+5V
7 NC
6 NC
5 KEY A
4
4 T-REC LED
3 REC LED
2 KEY B
1 ON TIMER LED
3
FROM/TO I/O
CD351 (CP353)
CH27080A
7 FRONT VIDEO IN
6 GND
5 FRONT A IN L
4 SOUND GND
3 SOUND OUT L
2 SP OUT L
1 GND
2
SPEAKER CD352 CH12435A
SP351
1 SP +
SG04D11BNA
2 SP -
8 OHM
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
No.51810
All manuals and user guides at all-guides.com
TV-13142
TV-13142W
C D
OPERATION SCHEMATIC DAIGRAM
(OPERATION PCB)
R778 R771 R772 R773 R774 R781
820 1K 1.5K 2.7K 6.8K 22K
R775 R776 R777 R780 R782 R783
820 1K 1.5K 2.7K 6.8K 22K
C381
0.022 F
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
2-27
TV-13142
TV-13142W
E F
3 GND
L751
2 B+
100uH
1 Vout
OS753
PIC-28143TE5
J351
HTJ-035-28A
1
NC
5
4
R380
3
R381 33 1/2W
2
33 1/4W
6
7
H H
2 4
1 3
E E
VIDEO AUDIO L
J701
JPJ3811-01-430
CAUTION: SINCE THESE PARTS MARKED BY ARE ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E F
2-28
G H
8
7
6
5
4
3
2
PCB030
TUNER VIDEO SIGNAL
TE9965
AUDIO SIGNAL
ETANT
1
G H
No.51810