Pcb Layout - LG KF750 Service Manual

9. PCB LAYOUT

<FPCB Connector>
LCD assembly status
Connector combination
<Touch Screen level shifter>
Touch operation
<X-tal>
Check the freq. 26MHz
<GSM Transceiver>
Check Rx/Tx operation
<WCDMA Transceiver>
Check Rx/Tx operation
<GSM Rx SAW filter>
Check Rx operation
<OVP>
Check VCHG output
<GSM PA + ASM>
Tx amplifier and antenna
switch operation
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Only for training and service purposes
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<ACF connector>
Socket PCB connection
<CAM LDO>
Camera operation
<DC/DC for Zoran>
Zoran operation
<ZORAN>
Multi Media chipset
<WCDMA PA>
WCDMA Tx amplifier operation
<X-tal>
Check the freq. 27MHz
<DC/DC for PA>
WCDMA Tx operation
LGE Internal Use Only