Sony KD-65X9500B Service Manual page 88

3-4-2. No Sound Power Off Check
Power Off Check
From 3-3 or 3-4
(1) K-PWB
Yes
PVDD-GND short ?
(See APPENDIX-5)
No
(2) K-PWB
Yes Yes
LDO out short ?
(See APPENDIX-5)
No
(3) K-PWB
Yes
Fuse broken ?
(See APPENDIX--5)
No
KD-65/85X9500B
Replace K-PWB
Power Off Check
From 3-4
Measure the Speaker
Yes
impedance by multi-meter impedance by multi meter
Less than 3 Ω ?
No
Confirm the speaker
harness Yes
Replace Speaker Harness
Cut or shorted
to the chassis ?
No
Return to 3-3 or 3-4
TROUBLE SHOOTING
Replace Speaker Replace Speaker
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