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
Содержание PX8700
Страница 40: ...PX8700 LG Electronics Inc 40 Circuit Diagram ...
Страница 42: ...PX8700 LG Electronics Inc 42 Circuit Diagram Waveform SBCK0 SBCK0 SBST0 SBDT0 Graph 4 1 1 c Graph 4 1 1 d ...
Страница 44: ...PX8700 LG Electronics Inc 44 Waveform Graph 4 1 1 e Graph 4 1 1 f U103 Pin U104 Pin DP101 Pin 3 Graph 4 1 1 g ...
Страница 45: ...PX8700 LG Electronics Inc 45 Circuit ...
Страница 47: ...PX8700 LG Electronics Inc 47 Graph 4 1 1 i Graph 4 1 1 h RX0_QP RX0_IP RX0_IM Circuit Waveform RX0_QM ...
Страница 51: ...PX8700 LG Electronics Inc 51 Circuit Diagram ...
Страница 53: ...PX8700 LG Electronics Inc 53 Circuit Diagram Waveform SBCK0 SBCK0 SBST0 SBDT0 Graph 4 1 2 c Graph 4 1 2 d ...
Страница 55: ...PX8700 LG Electronics Inc 55 Waveform Graph 4 1 2 e Graph 4 1 2 f U103 Pin U104 Pin Graph 4 1 2 g DP101 Pin ...
Страница 56: ...PX8700 LG Electronics Inc 56 Circuit ...
Страница 58: ...PX8700 LG Electronics Inc 58 Graph 4 1 2 i Graph 4 1 2 h RX0_QP RX0_IP RX0_IM Circuit Waveform RX0_QM ...
Страница 62: ...PX8700 LG Electronics Inc 62 Circuit Diagram RFT6150 PMIC 2 9V_TX 2 6V_MSMP2 circuit ...
Страница 70: ...PX8700 LG Electronics Inc 70 RF_IN Graph 4 2 1 6 RF_OUT Circuit Diagram Waveform ...
Страница 84: ...PX8700 LG Electronics Inc 84 Graph 4 2 2 5 RF_OUT RF_IN Waveform Circuit Diagram ...
Страница 90: ...4 3 1 2 Charging Trouble Circuit Diagram Test Points V_BATT Pin1 CON401 U402 ...
Страница 96: ...4 3 4 Audio 4 3 4 1 Speaker Trouble Test Points Circuit Diagram C113 U106 R144 U103 C112 C110 L103 ...
Страница 98: ...4 3 4 2 Receiver Trouble Test Points Circuit Diagram R314 U305 R315 C338 ...
Страница 100: ...4 3 4 4 Headset Trouble Circuit Diagram Test Points CON402 R405 R416 R415 C116 C115 ...
Страница 103: ...4 3 4 3 Mic Trouble Circuit Diagram Test Points R126 M101 ...
Страница 108: ...4 3 6 2 Micro SD Detect Circuit Diagram PMIC Test Points CON105 C140 C141 C138 C136 C313 C142 C139 C137 U302 ...
Страница 110: ...4 3 6 3 USB Interface Circuit Diagram U201 MSM6550 U302 Test Points R307 X202 R306 L302 C314 ...
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Страница 130: ...MSM6550 P N MSM6550 R N U201 No Booting Memory P N HYG0UGG0MF1P 5SH0E R N U304 No Booting ...
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Страница 139: ...DCN Tx DCN Rx PCS Tx PCS Rx ...
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Страница 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 ...