Light Sensor Error - Sony KDL-42W800A Service Manual

Troubleshooting

3-9. Light Sensor Error

Backlight doesn't change
when ambient lighting g g
level changed
B* Board Type G* Board Type
Size
OTHERS JAPAN CHINA ASIA
42 BA2S BA2W GL2S GL2S
47 BA2S BA2W GL2S GL2S
55 BA2S BA2W GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2E(ID)
Change the UI
setting to ":ON" g
Check UI setting for light
sensor .
Make sure it is "on"
AMERICA EUROPE JAPAN
GL2E(CH) GL2E(ID) GL2S Change B* Board
GL2E(CH) GL2E(ID) GL2S
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A
Update Software
NG
OK
Check current Software
OK
Check whether harness is
Connected on HIR and
HSC Board
OK
Check whether
harness is
Connected on HSC
and B* Board
OK OK
Change Smart Core
NG
Change
HSC-B* board Harness
NG
NG
Connect the Harness
properly
NG
OK
Problem with Smart Core
HSC or HIR
or HSC‐HIR harness
OK
HSC‐B* board harness
problem problem
RB1G CHASSIS
204