Speaker Part - Samsung SGH-F860V Service Manual

2-1-6. Speaker Part

There is no sound from speaker
Check the connection
status of speaker module
to CN103(LCD PCB)
Are there any signal at
the C148,C149?
(LCD PCB)
Yes
Are there any signal at
C157,C158?(LCD PCB)
No
Are there any signal at
R350, R351?
No
Yes
No
The type of sound from the
speaker is Melody?
Yes
Check
U104
U110
Yes
Check
U302
Check U401
END
SGH-E860V Flow Chart of Troubleshooting
No
reconnect speaker module to CN103
Yes
Replace the speaker module
Yes
Are there any signal at
C126,C127?(LCD PCB)
Check
U108
U110
Yes
Are there any signal at
C502, C506?
Check
Main FPCB
connection
status
2-11
No
No
No