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8-3-4. Audio
Speaker
Operate speaker
NG
Check
Speaker
Connecting
Speaker break
down?
Signal on in
L407, L409?
L408, L410?
Signal on in
C309, C310?
Change main PBA
END
NO
YES
YES
NO
NO
YES
NO
YES
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Reconnecting SPK
Change Speaker Module
Resolder L407,L409
Resolder L408,L410
Resolder C309, C310
Replace U301
8-13
Level 3 Repair
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