Level 3 Repair
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8-12
8-3-5. Speaker Part
Check the signals on
L408 pad, L409 pad(L)
L410 pad, L411 pad(R)
Check speaker function.
Play MP3 with maximum volume level.
No
Resolder or replace U404
END
Yes
Yes
Replace the speaker
module
Yes
Check the connection of
HDC400(L), HDC402(R)
Yes
No
Reconnect HDC400(L), HDC402(R)
