Rf Component - LG U8120 Service Manual

4. TROUBLE SHOOTING

4.14 RF Component

N1620
B1501
Z1500
N1700
Reference
B1501
B1770
N1101
N1330
N1331
N1400
N1620
N1331 N1330
Figure 4-1. RF component (Top)
Description
Temperature Sensor
Crystal
GSM ADC
GSM TX Balun
DCS TX Balun
WCDMA RX IC
DC/DC Convertor
- 126 -
Z1100 Z1110
Reference
N1700
Z1100
Z1110
Z1400 WCDMA RX RF SAW
Z1420 WCDMA RX IF SAW
Z1500 WCDMA TX RF SAW
Z1420
Z1400
N1400
N1101
B1770
Description
WCDMA TX IC
DCS RX SAW
GSM RX SAW