Sony KDL-22CX520 Service Manual page 22

Self Diagnostic Function
3-6-3. RF remote commander malfunction
* Not applicable for these model.
Symptom improvement
RF remote commander is
Commander
malfunction
NG
Re‐Pairing action
Symptom improvement
Batteries low power
Un registered Un‐registered
Replace the Harness
NG NG
between the B* Board
and the RF Module
Symptom
improvement improvement
Harness
NG
Use new remote
Use new batteries
and new batteries
Symptom improvement
NG NG
Replace R l
the RF Module
Symptom
improvement improvement
RF Module
-21-
NG
d b i
Remote
B board
KDL- 22, 32, 40, 46 CX520
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
RM-GD020