Receiver Part - Samsung SGH-Z630 Service Manual

Flow Chart of Troubleshooting and Circuit Diagrams

9-1-7. Receiver Part

There is no sound from receiver
Is the terminal of receiver
Are there any signal
Are there any signal
Are there any signal
at the pin #4,#5 of SLC202?
Is receiver working ?
is ok ?
YES
at U305's #1,6
YES
at C301,C302
YES
YES
YES
END
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NO
NO
NO
NO
NO
9-15
Replace the receiver
Check the UCP101
Check the U305
Check the SLC202 &
Resolder SLC202
Replace the receiver