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LG M2343A Service Manual page 16

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NO SOUND
Check U201,202
Pin #1 : 24V
YES
Check U201,202
Pin #7 : 5V
YES
Check U203
Pin #4, 8 : 5V
YES
Check Speaker Condition
4. NO SOUND
NO
NO
NO
- 16 -
Check Adaptor Jack Board
Change the IC U201, 202
(Amp IC)
Change the IC U203
(TPA6110A2) Zarphun IC

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