Samsung SGH-D800 Service Manual page 19

SGH-D800 Flow Chart of Troubleshooting
2-1-6. Speaker Part_2(RECEIVER)
There is no sound from the Speaker
Is the terminal of Speaker
Are there any signals at
the PIN#7, #15 of U501
The pin #2, #10
of U501 is "Low"
Are there any signals at
the PIN#8, #16 of U501
Check
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O.K ?
Yes
Yes
Yes
Yes
U201
END
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No
Replace the Speaker
No
Check U501
No
Check U201
No
Check U101
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