Operation Schematic Diagram - Aiwa VX-S137 Service Manual

Integrated color tv / stereo video cassette recorder
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A
B
8
7
6
FROM/TO I/O
CD750_1
(CP4201)
CH2C070A
1
REMOCON OUT
2
GND
3
AT+5V
4
POWER ON L
5
OTPB LED
6
KEY A
7
T-REC LED
5
8
REC LED
9
KEY B
10
ON TIMER LED
11
NC
12
PLAY LED
W817
FROM/TO I/O
CD351
(CP4202)
CH2B026A
1
FRONT VIDEO IN
4
2
GND
3
FRONT A IN L
4
SOUND GND
5
SOUND OUT L
6
SP OUT L
7
GND
8
FRONT A IN R
9
NC
10
SOUND OUT R
11
SP OUT R
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
C
D

OPERATION SCHEMATIC DIAGRAM

R778
R771
R772
R773
820
1K
1.5K
2.7K
R775
R776
R777
R780
820
1K
1.5K
2.7K
W805
CAUTION:
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(OPERATION PCB)
R766
100 1/2W
R774
5.6K
C354
R350
16V KA
47
220 1/2W
C353
R351
B701
16V KA
47
220 1/2W
BL01RN1-A63
W803
W813
W802
H
H
H
NC
2
4
6
7
J701
JPJ3656-01-432
1
3
5
E
E
E
VIDEO
AUDIO L
AUDIO R
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
I-2
F
G
3
GND
2
B+
1
Vout
OS753
PIC-28143TH5
J351
HSJ2630-010070
1
5
4
3
2
6
7
ETANT
F
G
H
8
7
W804
6
5
4
3
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
2
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PCB030
TEXA19
1
H

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