Sony KDL-32EX725 Service Manual page 53

SECTION 5 - FLOW CHARTS AND DIAGRAMS
Missing or Distorted Audio
KDL-32EX725/40EX725/55EX725
Is Audio
No
Missing or Distorted
on All Inputs?
Yes
Check
HP Audio Output
No
Replace
Is Audio
Present? Main Board
Yes
Check
AU12V from Power Supply
Replace
No
Is 12V
Power Supply
Present?
Board
Yes
Check External Device
and Connections External Device
Swap Devices and & connection OK
connections
Repair External
Speaker Resistance at
(across Speakers)
& Connections
Connections
Main Board
FIGURE 5-11. AUDIO ERROR
Is
Yes
Replace
Main Board
?
No
Device
Check
8 ohms
No
& Replace
Speaker(s)
OK?
Yes
Replace
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