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  • KDL-40HX850, KDL-40HX853, KDL-40HX855, KDL-46HX850, KDL-46HX853, KDL-46HX855, KDL-55HX850, KDL-55HX853, KDL-55HX855

KDL-40HX850, KDL-40HX853, KDL-40HX855, KDL-46HX850, KDL-46HX853, KDL-46HX855, KDL-55HX850, KDL-55HX853, KDL-55HX855 - Sony TV Service Manual (repair manual). Page 121

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TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled 
by remote commander
Green LED light
at power indicator
OK
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
OK
NG
Sensor is broken
OK
Check the Harness
between the B* Board
NG
Sensor is broken
NG
between the B  Board
and the HLR Board
Symptom 
improvement
Exchange the Harness
Harness
NG
Symptom 
improvement
HLR Board
Exchange the
HLR Board
NG
improvement
Size
B* Board Type
G* Board Type
40”
BAPS
G6
46”
BAPS
G6
KDL-40/46/55HX850, 853, 855
121
B* Board
55”
BAPS
G7
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