LG Electronics Inc.
Features of PX8700
1. Wave Type
•
CELLULAR : G7W
•
PCS : G7W
2. Frequency Scope
Transmit Frequency (MHz)
Receive Frequency (MHz)
CELLULAR
PCS
CELLULAR
PCS
GPS
824.82 ~ 848.19
1850~1910
869.82~893.19
1930~1990
1575.42
3. Rated Output Power :
CELLULAR = 0.20W
PCS = 0.20W
4. Output Conversion Method :
This is possible by correcting the key board channel.
5. Voltage and Current Value of Termination Part Amplifier (Catalogue included)
MODE Part
Name
Voltage
Current
Power
CELLULAR
AWT6310R
4.2V
600mA
0.20W
PCS AWT6310R
4.2V
600mA
0.20W
6. Functions of Major Semi-Conductors
Classification Function
MSM6550
Terminal operation control and digital signal processing
Memory MCP
(HYI0UGG0MF1P-6SS0E)
Flash Memory (1Mbit) + SDRAM (512Mbit)
Storing of terminal operation program
RFR6500
Converts Rx RF signal to baseband signal
RFT6150
Converts baseband signal to Tx RF signal
7. Frequency Stability
•
CELLULAR :
±
0.5PPM
•
PCS :
±
0.1PPM
Summary of Contents for PX8700
Page 40: ...PX8700 LG Electronics Inc 40 Circuit Diagram ...
Page 45: ...PX8700 LG Electronics Inc 45 Circuit ...
Page 51: ...PX8700 LG Electronics Inc 51 Circuit Diagram ...
Page 56: ...PX8700 LG Electronics Inc 56 Circuit ...
Page 62: ...PX8700 LG Electronics Inc 62 Circuit Diagram RFT6150 PMIC 2 9V_TX 2 6V_MSMP2 circuit ...
Page 70: ...PX8700 LG Electronics Inc 70 RF_IN Graph 4 2 1 6 RF_OUT Circuit Diagram Waveform ...
Page 84: ...PX8700 LG Electronics Inc 84 Graph 4 2 2 5 RF_OUT RF_IN Waveform Circuit Diagram ...
Page 90: ...4 3 1 2 Charging Trouble Circuit Diagram Test Points V_BATT Pin1 CON401 U402 ...
Page 98: ...4 3 4 2 Receiver Trouble Test Points Circuit Diagram R314 U305 R315 C338 ...
Page 100: ...4 3 4 4 Headset Trouble Circuit Diagram Test Points CON402 R405 R416 R415 C116 C115 ...
Page 103: ...4 3 4 3 Mic Trouble Circuit Diagram Test Points R126 M101 ...
Page 110: ...4 3 6 3 USB Interface Circuit Diagram U201 MSM6550 U302 Test Points R307 X202 R306 L302 C314 ...
Page 128: ......
Page 130: ...MSM6550 P N MSM6550 R N U201 No Booting Memory P N HYG0UGG0MF1P 5SH0E R N U304 No Booting ...
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Page 139: ...DCN Tx DCN Rx PCS Tx PCS Rx ...
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Page 147: ...D 1 Accessories 0 1 1 14 0 11 4 1 2 2 1 1 11 4 31 11 1 1 0 1 1 ...