LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 104 -
4.12.3 Receiver Path ( Voice Call )
Sgnal Pass : MSM6280 RCV+/-
→
CN402
→
FPCB
→
Receiver
Start
Disassemble the slide case of Phone
Check the FPCB State which
has the crack or impair
Check the soldering state of Receiver
PAD and the wire state
Change the FPCB
Not OK
Re-solder or
relace Receiver
Change the Main board
Re-assemble and re-test
loopback test
Check the connector
( CN402 )
Not OK
OK
Check in ëLoopback testíof
Enginnering mode
Check the connector
( CN402 )
Not OK
OK
OK
RCV +/-
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