Ir Remote Commander Malfunction - Sony XBR-43X830C Service Manual

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3-7. IR REMOTE COMMANDER MALFUNCTION

IR do not response to
Remote Commander
XBR-43X830C, 49X830C, 835C, 837C
Center white LED
OK
lit up when remote
control is pressed
NG
Harness on H-board
OK
and B* Board
properly connected
NG
Change
OK
H-B* board Harness
NG
OK
Change Smart Core
NG
B*Board
NG
Check parts value :
R1080 = zero ohm
OK
SIRCS (IC1000 Pin Y35 , B*Board)
Check voltage (Power ON condition):
3.287V < Voltage < 3.55V?
NG
Change B*Board
Check whether center
white LED blink ,when using
commander near the sensor
windows
Harness
connection
issue
H-B* board harness
issue
Smart core issue
Parts Broken issue
OK
Muffin IC1000
problem
TROUBLE SHOOTING
Remote control battery
OK
could be weak.
Change battery.
125

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Xbr-49x837cXbr-49x830cXbr-49x835c

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