Checking Gsm Block; Trouble Shooting - LG GD580 Service Manual

4.19 Checking GSM Block

start
1. Check
VRAD_2V8
2. Check
VCXO Block
3. Check
FEM Module
4. Check
Control Signal
5. Check
RF TX Path
6. Check
RF RX Path
Re-download SW, Cal
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Only for training and service purposes
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Figure 4-19. GSM Block (Bottom)
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4. Trouble Shooting

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LGE Internal Use Only