Sony KD-55X8 G Series Service Manual page 93

5.1 IR Remote Commander Error
IR remote commander
does not respond
Fuse continuity
F1202/F1206
Open  NG
Short  OK
Resistor value
R1329 : 47k [ohm]
R1506 : 4.7k [ohm]
TV Business Division
Center white LED
OK
blinks when pushing
buttons of remote
commander at close
to IR sensor.
NG
Check harness
OK
connection between
B-board and Smart
Core
NG
OK
Change harness
between B-board to
Smart Core harness
NG
OK
Change Smart Core
NG
NG
Check Fuse continuity
condition
OK
NG
Check resistor value on
B-board
OK
Battery of remote
commander
could be weak.
Change battery.
Harness connection
issue
B-board to Smart Core harness
issue
Smart Core issue
Parts issue
Parts issue
Change B-board
Main device issue
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