ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3-10. IR – Troubleshooting flow
TV cannot be controlled
TV cannot be controlled
by remote commander
OK
G
LED bli k
t P
i di
t
OK
NG
Green LED light
at Power LED indicator
Green LED blinks at Power indicator
when using commander
near sensor’s window
OK
NG
Mechanical
(ex. Bezel, Guidelight)
Confirm Harness connection
OK on BB Board and HB Board
Harness loose connection
OK
Change Harness
Harness NG
NG
OK
Change Harness
Harness NG
NG
Change HB board
HB board NG
OK
Change BB board
NG
53