Sony KDL-22CX520 Service Manual page 21

Self Diagnostic Function
3-6-2. IR remote commander malfunction
TV isn't controlled
by remote commander
Green LED light
at power indicator
NG
Check the Harness
between the B* Board between the B Board
and the HLR Board
NG
Exchange Harness E h
NG
Exchange HLR board
NG
B* board
OK
OK
Symptom
improvement p
H
Symptom
improvement
Green LED blinks at power
Indicator when using commander
near sensor's window
NG
Sensor is broken Sensor is broken
Harness H
HLR board
-20-
KDL- 22, 32, 40, 46 CX520
OK
Mechanical
(ex. bezel)
Segment Size B* Board Type
P-2 22 BAT-S
P-2 P 2 32 32 BAT V BAT-V
P-2 40 BAT-V
P-2 46 BAT-V
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
RM-GD020
G* Board Type
GD1
G2A G2A
G2B
G3