Checking Gsm Block - LG U880 Service Manual

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4. TROUBLE SHOOTING

4.6 Checking GSM Block

START
1..
1. Check TXVCO Block
4..
2..
3..
2. Check ANT. SW
Module
3. Check Tx PAM Block
4. Check RF Rx Level
5. Re-download SW
& C AL.
- 87 -

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