Pcs Tx - LG VX8610 Service Manual

VX8610

4.2.2 PCS Tx

Press "##5473784236368" + "SEND" key + "000000" in
Phone idle state.
Press "6" to enter FCC Test
Press "1" to enter PCS FCC mode
- Set channel to 600 and AGC to 360
Measure frequency domain waveform with Spectrum
analyser
Measure time domain waveform with Oscilloscope
DC Power Supply circuit
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
PCS Tx SAW
PCS PAM
Diplexer
PCS Duplexer
Circuit Diagram
Circuit Diagram
Start
1. Check
2. Check
VCTCXO
3. Check
RFT6150
Test Point
Test Point
RFT6150
Mobile Switch
- 73 -
VCTCXO
4. Check
RF SAW
5. Check
RF Dual PAM
6. Check
Duplexer
7. Check
Diplexer
NO
8. Check
Mobile Switch
Redownload S/W, Cal
LGE Internal Use Only