Read Sony KDL-65W850A / KDL-65W855A Service Manual online
RB1G
CHASSIS
W850/855A
Troubleshooting
3-9. Light Sensor Error
Update Software
Change the UI
setting to “:ON”
setting to “:ON”
(*)
Size
B* Board Type G* Board Type
65”
BA2SC
G6&G7B
Backlight doesn’t change
when ambient lighting
when ambient lighting
Check UI setting for light
sensor .
sensor .
OK
Check current Software
g
NG
65
BA2SC
G6&G7B
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
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
Change B* Board
NG
Change
HSC-B* board Harness
HSC-B* board Harness
HSC‐B* board harness
problem
OK
115
NG
problem
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