LG Electronics Inc.
LN510
73
/168
Test Point
Test Point
Checking Flow
Checking Flow
Mobile S/W
Quadplexer
VCTCXO
QSC6075
PAM
Tx Filter
1. Check
DC Power Supply circuit
2. Check
VCTCXO
Start
6. Check
Quadplexer
Redownload S/W, Cal
7. Check
Mobile Switch
3. Check
QSC6075
5. Check
PCS PAM
4. Check
RF SAW
Start program “Joyphone”
Click the “H/W Control”
Go to “MODE FTM” in Rx Command tap
Go to “PHONE_MODE_CDMA_800”
Set channel to 384ch
Click “Set Tx On” in Tx Command tap
Select “CDMA”
Click “ MAX POWER ON”
Measure frequency domain waveform with Spectrum
analyzer.
Measure time domain waveform with oscilloscope.
4.2.2 PCS Tx
/*&
Summary of Contents for LG511C
Page 1: ...Internal Use Only Service Manual LG511C Date September 2011 Issue 1 0 ...
Page 28: ...LG Electronics Inc LN510 27 168 Figure 1 1 Block Diagram of LG511C LG511C ...
Page 30: ...LG Electronics Inc LN510 29 168 LG511C ...
Page 50: ...LG Electronics Inc LN510 49 168 Waveform Waveform 4 1 1 c 4 1 1 d U1001 pin2 U1003 pin1 ...
Page 96: ...LG Electronics Inc LN510 95 168 1 ...
Page 98: ...LG Electronics Inc LN510 97 168 1 2 3 4 5 LG511C ...
Page 108: ...LG Electronics Inc LN510 107 168 Test points Test points 1 TP1 4 TP4 2 TP2 3 TP3 5 TP5 LG511C ...
Page 134: ...LG Electronics Inc LN510 133 168 Appendix Appendix ...
Page 136: ...LG Electronics Inc LN510 135 168 Appendix 2 Circuit diagram Appendix 2 Circuit diagram ...
Page 144: ...LG Electronics Inc LN510 143 168 Appendix 3 BGA Pin Map Appendix 3 BGA Pin Map ...
Page 145: ...LG Electronics Inc LN510 144 168 Not Used 3 1 U1601 BCM2070_BT 3 1 U1601 BCM2070_BT ...
Page 146: ...LG Electronics Inc LN510 145 168 3 2 U2001 QSC6075T 3 2 U2001 QSC6075T ...
Page 149: ...LG Electronics Inc LN510 148 168 3 5 U4002 LM49151_AUDIO AMP 3 5 U4002 LM49151_AUDIO AMP ...
Page 151: ...LG Electronics Inc LN510 150 168 Appendix 4 Component Layout Appendix 4 Component Layout ...
Page 152: ...LG Electronics Inc LN510 151 168 4 1 Main PCB Component Layout 4 1 Main PCB Component Layout ...
Page 161: ...LG Electronics Inc LN510 1 Appendix 6 Part List Appendix 6 Part List LG511C ...