JVC TV-13142 Service Manual page 65

[ SYSCON PWB(SOUND AMP) CIRCUIT DIAGRAM ]
A
8
7
6
5
4
3
2
NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A
B C
SOUND AMP SCHEMATIC DIAGRAM
FROM/TO I/O
SP_OUT
SOUND+
SOUND_GND
W814
FROM/TO MICON
TV_A_MUTE
TV_POWER_H
FROM/TO POWER
SOUND+B
C357
GND
0.022 B
SOUND_GND
FROM/TO CHROMA/IF
AUDIO_OUT
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
B C
No.51810
TV-13142 TV-13142
TV-13142W TV-13142W
D E
(SYSCON PCB)
R359
47K
R353
68K
C355_1 R357
50V 10 YK 5.6K
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
2-19 2-20
F G
8.2 3.5 0 3.4
5 6 7 8
+ -
4 3 2 1
5.1 0 0.3 3.9
C301
0.022 B
AUDIO SIGNAL(REC)
ATTENTION: LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
No.51810
H
8
7
6
5
4
3
2
PCB800
VMA213
1
H