LG KU250 Service Manual - Page 154

WCDMA Test Mode

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10. Factory Test Mode 10.2. WCDMA Test Mode 1) Click "Tools >> FTM GUI WCDMA" 2) Select "FTM" Mode 3) Select RF Frequencies, insert "9750" in "Uplink chan" and push "Enter". Then "2140" is written at Rx UHF automatically. 4) For Deciding to "TX AGC", insert 380 as a maximum value . And then WCDMA Power is decided. 5) To set PA Range, select ON in R1 for High power mode or select ON in R0 for Low power mode. 6) Depending on a situation, Click "Tx On" or "Tx Off". Channel Select Tx Control Rx Control 7) Set Rx mode. Click LNA Range, 0~4. 8) Click "Get IM2" and "Get Rx AGC". Confirm the value. - 155 -

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10. Factory Test Mode
- 155 -
10.2. WCDMA Test Mode
1) Click “Tools >> FTM GUI WCDMA”
2) Select “FTM” Mode
3) Select RF Frequencies, insert “9750” in “Uplink chan” and push “Enter”. Then “2140” is
written at Rx UHF automatically.
4) For Deciding to “TX AGC”, insert 380 as a maximum value . And then WCDMA Power is
decided.
5) To set PA Range, select ON in R1 for High power mode or select ON in R0 for Low power
mode.
6) Depending on a situation, Click “Tx On” or “Tx Off”.
7) Set Rx mode. Click LNA Range, 0~4.
8) Click “Get IM2” and “Get Rx AGC”. Confirm the value.
Channel Select
Tx Control
Rx Control