Stand Alone Test; Introduction - LG FM300 Service Manual

11. STAND ALONE TEST

11. STAND ALONE TEST

11.1 Introduction

11 1 Introduction
This manual explains how to examine the status of RX and TX of the model.
A. Tx Test
TX test - this is to see if the transmitter of the phones is activating normally.
B. Rx Test
RX t t thi i t RX test - this is to see if the receiver of the phones is activating normally. if th
11.2 Setting and test Method (mobile analyzer)
A. COM port
Mobile analyzer
- Port : select a correct COM port (WCDMA port)
- Baud rate : 11520
- Leave the rest as default values
B. Tx Test
1. Select the band and channel.
2. Max Power test
- Click AT command buttons in order and check the max. power level.
3 target power test 3. target power test
- Click AT command buttons in order except the last one, that is AT%pTXPower=0,230
- Write the command 'AT%pTXPower=0, XXX' on command window, where XXX is from -400 to 230.
C. Rx Test
1. Select the band and channel.
2. LNA gain control test
- AT commands
at%pLLARCSend=19,0 (High Gain)
at%pLLARCSend=19,1 (Mid Gain)
at%pLLARCSend=19,2 (Low Gain)
3. Gain DAC test
- AT command
at%pLLARCSend=23 get LNA gain
LGE Internal Use Only
i f th h i ti ti
DAC.
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11. STAND-ALONE TEST
10. STAND ALONE TEST
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