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VX9100
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
Mobile S/W
RFT6150
Quintplexer
DUAL PAM
Tx DUAL
SAW Filter
4.2 Tx Part Trouble Shooting
4.2.1 DCN Tx
Test Point
Test Point
VCTCXO
Checking Flow
Checking Flow
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 CDMA FCC mode
- Set channel to 384 and AGC to 360
Measure frequency domain waveform with Spectrum
analyser
Measure time domain waveform with Oscilloscope
Start
Redownload S/W, Cal
NO
6. Check
Quintplexer
7. 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 ...