NG
Harness on H-board
and B* Board
properly connected
45
3-7. IR REMOTE COMMANDER MALFUNCTION
IR do not response to
Remote Commander
Remote control battery
could be weak.
Change battery.
Center white LED lit up
when remote control is
pressed
Check whether center
white LED blink ,when using
commander near the sensor
windows
Change
H-B* board Harness
H-B* board harness
issue
Harness
connection
issue
Change Smart Core
OK
Smart core issue
NG
OK
OK
NG
NG
OK
OK
B*Board
Check parts value :
0 ohm < R1062 < 2 ohm
NG
Change B*Board
Muffin IC1000
problem
IR Muffin Pin (B*Board)
Check voltage (Power ON condition):
3.287V < Voltage < 3.55V?
OK
NG
B*Board
Check parts value :
95 ohm < R1124 < 105 ohm
NG
Parts Broken issue
NG
OK
OK
KDL-65W850C, 855C, 857C, 75W850C, 855C
TROUBLE SHOOTING
Size B* Board G* Board
65”
BMX
GL1SB
75”
BMX
GL1C