LG KM500 Service Manual page 141

9. PCB LAYOUT
< FPCB connector>
- LCD assembly status
Connector combination
< SUB connector>
- u-SD & Vibrator
operation
< CAM connector>
- Slide open/close
< Xtal>
- Check the freq.
32KHz
< DBB>
-
< Xtal>
- Check the freq.
26MHz
< Transceiver>
- Check Rx operation
< RF SW>
< SIM Connector>
- Socket soldering
< MIC>
- Voice input
LGE Internal Use Only
- 142 -
< BLUETOOTH>
- B/T operation
< FM Tuner>
- FM Radio operation
< CODEC>
- Speaker operation
< ABB> < ABB>
- Check output of LDO - Check output of LDO
< OVP>
- Check VCHG output
< MEMORY>
- Check SW download
< PAM>
TX amplifier operation
< FEM>
- Rx, Tx switching selection
< Charging IC>
- Check the TA & battery
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Only for training and service purposes