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Level 3 Repair
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8-13
8-3-5. Speaker Part
Check the signals on
L406, L407(L) in main PCB,
C105, C106(R) in 11pin(sub)
PCB.
Check speaker function.
Play MP3 with maximum volume level.
No
Replace UCD400
END
Yes
Yes
Replace the speaker
module
Yes
Check the connection of
HDC400(L) in main PCB,
HDC101(R) in 11pin(sub)
PCB.
Yes
No
Reconnect HDC400(L) in main PCB,
HDC101(R) in 11pin(sub) PCB.