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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-7
9-4. Speaker Part(Melody)
U504 pin15
≒ Battery Volt ?
Yes
Yes
Change the Speaker
Yes
No
Is Speaker working?
No
Yes
Check the circuit related to
"pin17 & 18" signal
No
Yes
Resolder UCP300(MSM6250A)
U600 pin4 ≒ 2.8V?
Resolder or replace U501(PMIC)
No
Yes
No
END
Check the clock generation circuit
(related to U501 and U600)
Check the Clock signal at
U600 pin1 (13.5MHz)
Speaker does not work
U600(Melody IC)
pin7 & 32 = 2.8V?
Summary of Contents for SGH-ZV40
Page 32: ...8 PCB Diagrams 8 1 ...
Page 33: ...PCB Diagrams 8 2 ...