27
3-5. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
KDL-32R420A/421A/423A/424A, 40R470A/471A/473A/474A, 46R470A/473A(AEP/UK)
Button malfunction
on the TV
Replace the harness
between Main board
and Key module
Key module issue
Harness issue
Change
Key module
Change
Main board
NG
NG
Symptom
improvement
Symptom
improvement
OK
OK
Содержание BRAVIA KDL-32R420A
Страница 2: ...SERVICE MANUAL LCD Digital Color TV 9 888 532 02 RB1FK CHASSIS Segment BA ...
Страница 29: ...KDL 32R420A 421A 423A 424A 40R470A 471A 473A 474A 46R470A 473A AEP UK 29 SEC 4 DIAGRAMS 4 1 BLOCK DIAGRAM ...
Страница 74: ...74 APPENDIX 3 KDL 32R420A 421A 423A 424A 40R470A 471A 473A 474A 46R470A 473A AEP UK SWITCH UNIT DISASSEMBLY ...