LG VX8560 Service Manual page 80

VX8560
4.2.2 PCS Tx
Press "##5473784236368" + "SEND" key + "000000" in
Phone idle state.
- Press "5" 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
1. Check
DC Power Supply circuit
2. Check
VCTCXO
3. Check
QSC 6075
LG Electronics Inc.
Test Point
Mobile S/W
Quintplexer
Circuit Diagram
Circuit Diagram
Start
Test Point
PAM
Tx SAW
VCTCXO
QSC6075
4. Check
RF SAW
5. Check
PCS PAM
6. Check
Quintplexer
NO
7. Check
Mobile Switch
Redownload S/W, Cal
80/235