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VX8560
4.2 Tx Part Trouble
4.2.1 DCN Tx
Press "##5473784236368" + "SEND" key + "000000" in
Phone idle state.
- Press "5" to enter FCC Test
- Press "2" to enter CDMA FCC mode
- Set channel to 384 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
QSC6075
LG Electronics Inc.
Mobile S/W
Quintplexer
Checking Flow
Checking Flow
Start
Test Point
Test Point
PAM
Tx SAW
VCTCXO
QSC6075
4. Check
RF SAW
5. Check
DCN PAM
6. Check
Quintplexer
NO
7. Check
Mobile Switch
Redownload S/W, Cal
66/235
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