Rf Part Trouble Shooting - LG GD330 Service Manual
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Also See for GD330:
- User manual (242 pages) ,
- Service manual (23 pages) ,
- User manual (162 pages)
Table of Contents
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4. TROUBLE SHOOTING
4.2. RF Part Trouble shooting
4.2.1 RF Receiving Path Trouble Shooting
Check.1
U400
Fig4-3. RX components placement
LGE Internal Use Only
RX Receiver Part
SW400
SW401
Check.3
FL400
U401
Check.4
X400
Check.2
CHECKING FLOW
START
Setup Test Equipment
Cell Power : –74dBm
GSM850 CH190 / EGSM CH60
PCS CH660 / DCS CH700
1. Check
Regulator Circuit
2. Check
DCXO Circuit
3. Check
FEM & mobile SW Circuit
4. Check
Transceiver Circuit
Re-download SW & CAL
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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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Table of Contents
Troubleshooting
