Nokia 1506, Руководство по обслуживанию

Страница: 65 / 140

RH-128
Service Software Instruction
K. Send the Aux ADC Get, a number of times (10 is good) and take the average. CP AUX ADC Get
Settings, AUX ADC Channel: Design specific, Tx PCG Sync: On.
L
. Iterate steps J to K for all desired calibration points and Write to store the values.
CDMA TxAGC Closed Loop Frequency Channel Adjustment
CDMA TxAGC Closed Loop Frequency Channel Adjustment overview
In order to perform this calibration, the baseline Tx AGC calibration should have already been
performed. This is performed for only one gain state.
CDMA TxAGC Closed Loop Frequency Channel Adjustment Procedure
A. Perform the procedure at “nominal” or room temperature.
B. The baseline RxAGC calibration must have already been completed.
C. The RxAGC frequency channel adjustment, and temperature adjustment tables must be zeroed.
D. Connect the antenna to CDMA test set.
E. Reset the UUT, start Debugtool, and do not press the Power key on the Virt MMI (i.e., PS should
be off and LID reset). Send the message CP Enable, with Disable option.
F. Turn off the transmitter test using the Tx Rate Test with the rate set to Tr Full Rate.
G. Set the frequency channel to the calibration frequency using PLL Channel Config. This is the
baseline frequency, since the frequency compensation table is not active.
H. Set the frequency channel to the channel used for calibrating the TX AGC using the PLL Channel
Config. CP PLL Channel Config Settings, Ctrl Mode: Manual ,Band: Band being calibrated , Channel:
Channel being calibrated.
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved
.
Issue 1 Page 2-43