Samsung SGH-G810 Servise Manual page 21
Gsm telephone
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Also See for SGH-G810:
- User manual (116 pages) ,
- Quick start manual (7 pages) ,
- User manual (133 pages)
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10-1-3 : Abnormal Sound operation
1) No Sound on Playing MP3
No sound on playing MP3
IC9 enable pin
level is high?
BD7 voltage level
= 3.5 ~ 4.2V
R35
input exist?
BD10 & BD11
output exist?
U1 pin 5, pin 10
output exist?
END
YES
YES
YES
YES
YES
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NO
UCP800(OMAP2430)
neighboring circuit
NO
Re-solder BD7
Check C35, R35
NO
and neighboring circuit,
changed IC9
NO
Re-solder BD10, BD11
and check IC9
Check U1 and neighboring
NO
circuit, changed Speaker
module assay
10-7
Flow Chart of Troubleshooting
Check
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