Ir Remote Commander Malfunction - Sony KDL-40W900A Service Manual

Troubleshooting

3-8. IR REMOTE COMMANDER MALFUNCTION

IR do not response to
Remote Commander
Loose harness  Loose harness 
connect properly
Center white LED
light at power
OK
indicator
NG NG
NG
NG Check harness
connection is OK
on HIR and HSC
ok
Check harness
OK
connection is OK
on HSC and
NG
B*Board B Board
Check remote
control
NG
OK OK
Check whether center
ok
white LED blink ,when using
Change SmartCore (mechanical)
commander near the sensor
windows
OK
Change SmartCore
NG
OK
Change
HSC-B* board Harness HSC B* b d H
NG
Change B* Board
Change remote
control
Problem with Smart Core
HSC or HIR
or HSC-HIR harness
HSC B board harness HSC-B* board harness
problem
Size Si B* B B* Board Type d T H* H*
Board
Type
OTHERS JP
40" BA2-S BA2-W HIR
HIR HIR
46" 46" BA2 S BA2-S BA2-W BA2 W
HIR
55" BA2-S BA2-W
RB1G CHASSIS
W900A/904A/905A
H** Board H** B d
Type
HSC
HSC HSC
HSC
207