Trouble Shooting; Rx Trouble - LG G1610 Service Manual

4.2 RX Trouble

START
HP8922 : Test mode
62 CH, 7 level setting (TCH)
62 CH, -60dBm setting (BCCH)
Spectrum analyzer setting
O O s s c c i i l l l l o o s s c c o o p p e e setting
1. Check
Regulator Circuit
2. Check
VCTCXO Circuit
3. Check
Control
S S i i g g n n a a l
4. Check
Ant SW &
Mobile SW
5. Check
Saw Filter
Circuit
6. Check
RX IQ
Redownload SW, CAL
4
1
2
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4. TROUBLE SHOOTING

Figure 4-2
5
3