Read Sony KDL-32R400A / KDL-32R420A / KDL-40R450A / KDL-40R470A / KDL-46R450A / KDL-46R470A Service Manual online
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TROUBLE SHOOTING
2) IR remote commander malfunction
KDL-32R400A/420A, 40R450A/470A, 46R450A/470A(PA)
TV isn’t controlled
by remote commander
OK
NG
Green LED light
at power indicator
Change Main board to
IR board FFC
IR FFC
issue
NG
Green LED blinks at power indicator
when using commander
near sensor’s window
OK
NG
Change
Main board
NG
Change IR board
IR board issue
Change
Remote Control
battery
Symptom
improvement
Symptom
improvement
OK
OK
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