Sony KDL-32R500C Service Manual page 45

3-5. NO PICTURE
No Picture
Check Input Source:
-Tuner
- MHL/HDMI
-Video/Component
Replace Input
Source
KDL-32R500C, 505C, 507C, 40/48R510C, 550C, 555C, 557C
Input
OK
Replace LVDS FFC
Harness
Input NG Picture OK
LVDS FFC
Harness
Problem
Still No
Picture
Replace B-Board
Picture OK
B-Board Issue
Check
Still No
PANEL_VCC_SW
Picture
+12V voltage at
C8601 (BA) /
CL6017 (BE) on
B-Board
+12V NG
Adaptor
or +12V DDCON
Problem
Change
Panel
Module* or
O-Cell*
Picture OK
Panel or O-Cell
Issue
TROUBLE SHOOTING
+12V
OK CHECK BL_ON on
B-Board at CL9012.
HIGH (+3.3V): OK
LOW (0V): NG
BL_ON NG
Backlight or LED
Driver Problem
END
B* Board Type
Size
PAN ASIA,AMERICA
32"
BA
40"
BA
BL_ON
OK
EUROPE
BE
BE
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