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Flow Chart of Troubleshooting
9-14
9-8. Speaker Part
C513, C515 ≥ 2V?
(When MP3 file is played)
Speaker does not work
U502 Pin 1A, 2A ≥ 2V?
(When MP3 file is played)
Resolder U502, C513, C515
END
No
Yes
No
Check UCP300
HDC700 Pin 55, 57 ≥ 2V?
(When MP3 file is played)
Resolder U501
Yes
No
Check the signals of
speaker input
Check the circuit related to
melody signal
Yes
No signal
Is Speaker working?
No
OK
Change the Speaker
Yes
Yes
Содержание SGH-ZV60
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