No Sound - 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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3-4. NO SOUND
No Sound
Check if TV is
set to Mute
No
Check the
"Speakers setting"
"TV Speakers"
Change the speaker
harness
OK
Symptom
improvement
Speaker Harness
issue
KDL-32R420A/421A/423A/424A, 40R470A/471A/473A/474A, 46R470A/473A(AEP/UK)
Yes
Change to
Un-mute
"Audio System"
Change to
"TV Speaker"
NG
Replace
Main board
NG
Change
Speaker
Symptom
improvement
Main board issue
OK
TROUBLE SHOOTING
26
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Table of Contents
Troubleshooting
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