XBR-55X850D/855D/857D, 65X850D/855D/857D, 75X850D/855D/857D
47
TROUBLE SHOOTING
FLOW
4-3. NO PICTURE (COMPONENT) (CH/MX/BR/PA/COL/LA)
No Picture Video
Check wave
Between
C7515/C7518/C7520
and IC1000
**
Detailed check all parts
at signal path of:
Y1P : [D7530/R7524/C7514/
R7527]
PB1P : [VD7508/R7529/C7517/
R7530]
PR1P : [VD7509/R7532/C7519/
R7553]
OK
Check if input OSD
is GREY OUT
OK if it is highlighted
NG
*
Check J7504 Con
VIDEO_DET at
R7539,
CR_DET at R7538
Muffin [IC1000]
Problem
**
Detailed check all parts
at VIDEO_DET signal
Path [R7535] and CR_DET
signal path [R7534]
Parts Broken
J7504 Connector
Problem
OK
NG
J7504 Connectivity
Problem
**
OK Condition : No part short-circuited
NG Condition : Part short-circuited
*
OK Condition : No solder splash can be seen
NG Condition : Solder splash can be seen
OK (
Vpp: 1 V
)
NG (
Vpp: 0 V
)
OK (
Vpp: 3.3 V
)
NG (
Vpp: 0 V
)
OK (
Vpp: 3.3 V
)
NG (
Vpp: 0 V
)
Component
No Picture
Содержание Bravia XBR-55X857D
Страница 134: ...XBR 55X850D 855D 857D 65X850D 855D 857D 75X850D 855D 857D 134 DISASSEMBLY 3 4 HSC4 S 3 SMART CORE S HSC4 S 1 3 2 NOTE ...
Страница 174: ...XBR 55X850D 855D 857D 65X850D 855D 857D 75X850D 855D 857D 174 DISASSEMBLY 5 3 COVER TOP 5 SMART CORE M COVER TOP 1 3 2 ...
Страница 175: ...XBR 55X850D 855D 857D 65X850D 855D 857D 75X850D 855D 857D 175 DISASSEMBLY 5 4 HSC4 M 5 SMART CORE M HSC4 M 1 3 2 NOTE ...