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10-1-5. Speaker Part
There is no sound from the Speaker
The terminal of Speaker is
There is any signal @ the
C401,C402
No
There is any signal
@ C403, C404
3
Check the
2
U301 is "High"
UCD302, U303
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O.K
Yes
No
The type of sound
Yes
from the Speaker is
Yes
The pin#4 of
No
Yes
Check the UCP201
Check the U303
No
Replace the Speaker
Yes
Check LCD or Replace HEA1
Melody
There is any signal
@ R302,R307
END
10-10
Flow Chart of Troubleshooting
1
No
No
Yes
Check the
UCD102
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