Ir Remote Commander Malfunction - Sony KD-55X8500A Service Manual

3-6. IR REMOTE COMMANDER MALFUNCTION

IR do not response to
Remote Commander
Loose harness 
connect properly
KD-55/65 X8500A/ X8504A
Center white LED
light at power
indicator OK
NG NG
Check harness
NG
connection is OK
on HIF and HSF
OK
OK
Check harness
connection is OK
NG
on HSF and B*Board
Check remote
control
NG
OK OK
Check whether center
NG
white LED blink ,when using
commander near the sensor
windows
Change SmartCore
NG
Change
HSF B* b HSF-B* board Harness d H
NG
Change B*Board
TROUBLE SHOOTING
Change remote
control
OK
Change SmartCore (mechanical)
Problem with Smart Core
OK
HSF or HIF
or HSF‐HIF harness
OK
HSF‐B* board harness
problem
116