Sony KD-84X9000 Service Manual page 92

2) IR remote commander malfunction
TV isn't controlled
by remote commander
Green LED light
at power indicator
NG
Check the Harness
between the BAPS Board
and the HLR Board
NG
Exchange the Harness
NG
Exchange the
HL Board
NG
BAPS Board
XBR/KD-84X9000 Series(WW)
Green LED blinks
OK
at power indicator
when using commander
near sensor's window
NG
OK
Sensor is broken
Symptom
improvement
Harness
Symptom
improvement
HL Board
OK
Mechanical
(ex. bezel)
TROUBLE SHOOTING
92