Operation Schematic Diagram - Toshiba MV20FL4 Service Manual

Color television/video cassette recorder
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A
B
8
7
6
FROM/TO MICON/TUNER
CD757_2
(CP755)
CU2A2501
1
REMOCON OUT
2
GND
3
AT+5V
5
POWER ON LED
4
POWER ON L
5
NC
6
KEY A
7
T-REC LED
8
REC LED
9
KEY B
10
NC
4
FROM/TO SOUND AMP
(CP4202)
CD702 CU2B2801
1
FRONT VIDEO IN
2
GND
3
FRONT AUDIO IN L
4
SOUND GND
5
SOUND OUT L
6
SP OUT L
3
7
GND
8
FRONT A IN R
9
NC
10
SOUND OUT R
11
SP OUT R
SPEAKER
CD355 CU123201
SP351
1
SP OUT R+
MSF-18D5SB05
2
SP OUT R-
8OHM
SPEAKER
CD356
CU123201
SP352
1
SP OUT L+
MSF-18D5SB05
2
SP OUT L-
8OHM
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

OPERATION SCHEMATIC DIAGRAM

R778
R771
R772
820 1/4W
1K 1/4W
1.5K 1/4W
R775
R776
R777
820 1/4W
1K 1/4W
1.5K 1/4W
W806
W812
W808
W813
W809
C352
R351
220 1/2W
C353
16V
47
KA
R352
220 1/2W
16V
47
KA
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(OPERATION PCB)
R773
R774
2.7K 1/4W
5.6K 1/4W
0
3
GND
4.8
2
B+
4.8
1
Vout
OS753
PIC-28143TC5
R702_1
75 1/4W
J701_1
JPJ1187-010010
J351
HTJ-035-28A
1
C702
5
0.0022
B
4
3
2
6
7
C701
0.0022
B
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
ATTENTION:
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
W805
R754
270
1/4W
PCB030
TEXA33
TUNER VIDEO SIGNAL
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
AUDIO SIGNAL
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
6
5
4
3
2
1
H

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