6.
Replace U25
Picture ok, all source no sound
Check R190 and
R191 ok?
Replace U201
NO
NO
Replace L7 or
L5
NO
Check L165
and L167 ok?
Check L6 3.3v
OK?
Check L5 and
L7
Replace L6
NO
Check Q700, Q701,Q915
Check Q700
Pole C is low
Check speaker
cables or speaker
NO
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