Operation Schematic Diagram - Aiwa VX-D1420 Service Manual

A B
8
7
FROM/TO 21PIN I/O
CD750_2 (CP755)
CH2A014A
1 REMOCON OUT
2 GND
3 AT+5V
4 POWER ON LED
5 OTPB LED
6 KEY A
7 T-REC LED
6
8 REC LED
9 KEY B
10 ON TIMER LED
L005
HF57T18.5*10*10
5
4
3
FROM/TO 21PIN I/O
CD351_2 (CP351)
CH27087A
1 FRONT VIDEO IN
2 GND
3 FRONT A IN L
4 SOUND GND
2
5 SOUND OUT L
6 SP OUT L
7 GND
L004
HF57T18.5*10*10
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

R771 R772 R773
1K 1/4W 1.5K 1/4W 2.7K 1/4W
R776 R777 R780
1K 1/4W 1.5K 1/4W 2.7K 1/4W
B702
BL01RN1-A63
B701
BL01RN1-A63
W813 W809
W812
NOTE: CAUTION: SINCE THESE PARTS MARKED BY
THE DC VOLTAGE AT EACH PART WAS MEASURED
CRITICAL FOR SAFETY,USE ONES
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. DESCRIBED IN PARTS LIST ONLY
C D
E
(OPERATION PWB)
3 GND
2 B+
1 Vout
R774
OS753
PIC-28143TH5
5.6K 1/4W
J351
HTJ-035-28A
1
NC 5
4
C354 R350
3
C353 R351 16V 47 KA 220 1/2W
2
16V KA 47 220 1/2W
6
7
H H
2 4
1 3
E E
VIDEO AUDIO L
J701_1
JPJ3811-01-430
ARE ATTENTION: LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
I-2
F G
W804
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
ETANT CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PWB030
TEXA19
1
H