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VX9100
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
4.2.2 PCS Tx
Test Point
Test Point
Mobile S/W
RFT6150
Quintplexer
DUAL PAM
Tx DUAL
SAW Filter
VCTCXO
Circuit Diagram
Circuit Diagram
1. Check
DC Power Supply circuit
2. Check
VCTCXO
Press “##5473784236368” + “SEND” key + “000000” in
Phone idle state.
Press “6” to enter FCC Test
Press “2” 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
Start
6. Check
Quintplexerr
Redownload S/W, Cal
NO
8. Check
Mobile Switch
3. Check
RFT6150
5. Check
RF Dual PAM
4. Check
RF Dual SAW
Содержание VX9100 Maroon
Страница 135: ...1 VX9100 Assembly Disassembly Diagram ...
Страница 136: ......
Страница 137: ......
Страница 138: ...2 VX9100 Block Circuit Diagram Main Key Pad FPCB ...
Страница 139: ...Block Diagram ...
Страница 141: ...Circuit Diagram Main Key Pad ...
Страница 142: ...Main Board Circuit ...
Страница 149: ...Keypad Circuit ...
Страница 151: ...3 VX9100 Part List Main Key Pad FPCB ...
Страница 161: ...4 VX9100 Component Layout ...
Страница 164: ...5 VX9100 BGA Pin Map ...
Страница 165: ...BOTTOM VIEW Unit mm USED NOT USED 1 MSM6550A U202 A1 Index Mark ...
Страница 166: ...2 HYC0SGH0MF3P 6S60E U300 Unit mm A1 Index Mark USED NOT USED BOTTOM VIEW All Pins assigned to Logic Signal and GND ...
Страница 167: ...3 MAX9775EBX T U301 TOP VIEW USED NOT USED ...
Страница 168: ...4 LP3922 U401 USED NOT USED BOTTOM VIEW ...
Страница 169: ...5 BD6085GUL U500 USED NOT USED BOTTOM VIEW ...