Samsung SGH-D800 Service Manual page 16

SGH-D800 Flow Chart of Troubleshooting
2-1-5. Speaker Part_1(MP3, SPEAKER PHONE)
There is no sound from the Speaker
Is the terminal of Speaker
Are there any signals at
the L500, L501
No
Is there any signals
at the pin#19 and
pin#20 of U301 ?
#10 of U501 is
Check U301
This Document can not be used without Samsung's authorization
O.K ?
Yes
Yes
MP3
What is the type of
sound from the
Yes
No
The pin #2,
"High"
Yes
SAMSUNG Proprietary-Contents may change without notice
No
Replace the Speaker
No
Check
SPEAKER PHONE
Speaker
Is there any signals
at C503, C505 ?
No The pin #2,
#10 of U501 is
Check U201
END
2-12
U500
No
Yes
Check
"High"
Yes
U101