System Control - JVC AV-28BK5ECB Service Manual

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CHASSIS DESCRIPTION

System control

IC871
Deflection circuit
DIGITAL
CONVERTER
2V-Sync
24
IC351
MATRIX
DEFLECTION
<TDA9330H>
CVBS input
1
|
5
ROM
63
|
80
19
AV1 SW in
AV2 SW in
AV3 SW in
SCAN
2H-Sync
23
V-Drive +
1
V-Drive -
2
Q401-Q402
8
H-Drive
3
EW-Out
Q649
Power ON/OFF
61
60 48 49 44-47 43
37
IC801
CPU
38
25
20
21
23
24
I2C BUS
IC501
V-Output <LA78476N>
5
6
3
Q411
H-Output
T401
L421
Drive Trans
C421/C422
Q461
Q471
Pcc Control
No. 51758
RL649
Power
Supply
Circuit
Key SW
Input
Power
Failuer
Detect
RC Pre-amp.
Deflection
Yoke
Vert.
Coil
Horiz.
Coil
T402
FlyBack Trans.
AV-28BK5ECB
AV-28BK5ECS
Fig.-4
Fig.-5
5

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