Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online
Probe point for switch unit
p
Front of Switch unit
Back of Switch unit
Pin 3
Pin 2
Pin 1
3-11. IR
3-11-1. Troubleshooting flow
TV cannot be controlled
by remote commander
TV cannot be controlled
by remote commander
OK
Green LED lights up
at Power LED indicator
Green LED lights up
at Power LED indicator
Green LED blinks at Power indicator
when using commander
Green LED blinks at Power indicator
when using commander
OK
Mechanical
(ex Bezel Guidelight)
NG
at Power LED indicator
at Power LED indicator
g
near sensor’s window
g
near sensor’s window
NG
(ex. Bezel, Guidelight)
Confirm Harness connection
OK on B-Board and HKK Board
Confirm Harness connection
OK on B-Board and HKK Board
Harness loose connection
OK
Change Harness
Change Harness
Harness NG
NG
OK
NG
NG
Change HKK board
Change HKK board
HKK board NG
OK
Change B-board
NG
118
Probe point for BE board
p
Probe point
Probe point for BA board
p
Probe point
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