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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-21
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8-3-7. Receiver Part
-See the sub circuit schematic.
On Voice calling,
check the voice signal at
L101(p), L102(n) using
oscilloscope.
Replace UCP200 using a Heatgun
(Because of not soldering well)
Not OK
Yes
OK
Receiver does not work
Check the status of soldering
L101, L102,
(ex. Crack)
Resolder L101, L102,
(not work if those is not connected.)
OK
Not OK
Is Receiver working?
(Listening through the
speaker)
Change Receiver
(be possible of RCV Problems)
Yes
No
END