Sony RB1G Service Manual page 200

Troubleshooting
3-5.No Picture
3-5-17. NO PICTURE: (TE and HG Model)
No Picture
Is blue picture
on display?
(Factory SW
is booted)
・
YES
B-Board is OK.
Check:
Tuner - No Picture
HDMI - No Picture
Ext. Video Input -
No Picture
Set Board
to Panel-less
NO No
condition and
replace LVDS FFC.
Is test pattern
displayed?
YES
LVDS FFC
Harness
Broken
Check
Flash Data
NG
Rewrite Data
PANEL_VCC =12V
Check
CHECK BL_ON on
PANEL_VCC
OK
B-Board at JL9111.
from G Board at
JL9102 on
B-Board
NG
G-Board G-Board, B-Board
Or
Power Harness Power Harness
Check/Change
OK
NG
TCON
Mini-LVDS FFC
to Panel
OK
Mini LVDS FFC
broken
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
Size B* Board Type
(Segment: LW)
OTHERS
Note:
32" BKX
(AYU2) – IC9000
(Brownie)- IC9001 42" BKX
Check GOLGO
OK
power
H: OK and harness
L: NG condition
NG
GOLGO Power
Or
Harness or FFC
NG
Change T-CON
Panel problem
or GOLGO
OK
T-CON or GOLGO
NG
RB1G CHASSIS
EUROPE JP
BKE BKJ
BKE BKJ
OK
NG
200