Sony KDL-60R510A Service Manual page 25

3-5. TV COMMANDER BUTTONS MALFUNCTION
1) TV button malfunction
Button malfunction
on the TV
Replace the harness
between Main board
and Key module
Symptom
OK
improvement
Harness issue
KDL-60R510A(CN8, UC2, LA1)
NG
Change
Key module
NG
Change
Main board
Symptom
improvement
Key module issue
OK
TROUBLE SHOOTING
25