RB1G
CHASSIS
W900A/904A/905A
Troubleshooting
3-9. Light Sensor Error
Update Software
Change the UI
setting to “:ON”
Backlight doesn’t change
when ambient lighting
Check UI setting for light
sensor .
OK
Check current Software
g
NG
g
g
level changed
Make sure it is “on”
NG
Check whether harness is
OK
Connected on HIR and
HSC Board
Connect
the
Harness
properly
OK
Check whether
harness is
Connected on HSC
and B* Board
NG
OK
OK
Change Smart Core
Problem
with
Smart
Core
HSC
or
HIR
or
HSC
‐
HIR
harness
OK
Size
B* Board Type
H*
H** Board
Change B* Board
NG
Change
HSC-B* board Harness
HSC
‐
B*
board
harness
problem
OK
Size
B Board Type
H
Board
Type
H Board
Type
OTHERS JP
40”
BA2-S BA2-W
HIR
HSC
46”
BA2-S
BA2-W
HIR
HSC
208
NG
problem
46
BA2 S
BA2 W
HIR
HSC
55”
BA2-S
BA2-W
HIR
HSC
Summary of Contents for BRAVIA KDL-55W900A
Page 2: ...SERVICE MANUAL COMMON SERVICE MANUAL COMMON RB1G CHASSIS Segment HG LCD TV LCD TV ...
Page 118: ...RB1G CHASSIS W900A 904A 905A Troubleshooting 3 4 RB1 Analog Signal Path 118 ...
Page 149: ...RB1G CHASSIS W900A 904A 905A Troubleshooting Troubleshooting Reference BA2S SIDE B IC2201 149 ...
Page 159: ...RB1G CHASSIS W900A 904A 905A Troubleshooting Troubleshooting Reference BA2S SIDE B IC2201 159 ...
Page 232: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams g 5 2 1 EUROPE 232 ...
Page 233: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams 5 2 Block Diagram 5 2 2 JAPAN 233 ...
Page 234: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams g 5 2 3 UC 234 ...
Page 236: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams 5 2 Block Diagram 5 2 5 CHINA HK 236 ...
Page 237: ...RB1G CHASSIS W900A 904A 905A 5 2 Bl k Di Diagrams 5 2 Block Diagram 5 2 6 TAIWAN COL 237 ...
Page 238: ...RB1G CHASSIS W900A 904A 905A 2 Diagrams 5 2 Block Diagram 5 2 7 PAN ASIA 238 ...