Tv Commander Buttons Malfunction - Sony KDL-32R420A Service Manual
Lcd digital color tv
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Also See for KDL-32R420A:
- Operating instructions manual (48 pages) ,
- Operating instructions manual (288 pages)
Table of Contents
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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-32R420A/421A/423A/424A, 40R470A/471A/473A/474A, 46R470A/473A(AEP/UK)
NG
Change
Key module
NG
Change
Main board
Symptom
improvement
Key module issue
OK
TROUBLE SHOOTING
27
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Table of Contents
Troubleshooting
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