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Flow Chart of Troubleshooting
10-12
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10-1-6. Speaker Part
Is there any signals at
L500 and L501
There is no sound from the Speaker
Is there any signals at
R504 and R506
check the UCP300
END
No
Yes
Yes
No
Yes
Check the
U500
and circuit around
Is the terminal of Speaker O.
K ?
Replace the Speaker
No
Yes
Yes
Check HDC703 #5, #7 pin and
RECEIVER/SPEAKER /MOTOR FPCB.