Level 3 Repair
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8-17
8-3-5. Speaker Part
Check the signals on
D401, D402, D403, D404
Check speaker function.
Play MP3 with maximum volume level.
No
Replace U404
END
Yes
Yes
Replace the speaker
module
Yes
Check the connection of
HDC400(L) in main PCB,
HDC401(R) in main PCB.
Yes
No
Reconnect HDC400(L) in main PCB,
HDC401(R) in main PCB.