Panasonic EB-GD93, Service Manual

Page: 47 / 79

TEST AND MEASUREMENT
MCUK001002C8 Section 6 Issue 1
Service Manual – 41 – Revision 0
6.6. Adjustment Mode
6.6.1. RF Calibration Procedure
NOTE:
See Section 6.2 for a list of the equipment and setup procedures required to perform the following adjustment
and calibration procedures.
The following procedures MUST be performed after replacement or repair of one or both of the PCBs in the handheld unit.
Failure to do so may result in incorrect operation of the telephone.
The following adjustments MUST be made on BOARD PAIRS.
There are three distinct calibration procedures to adjust RF performance. These procedures are:
1. Ramping gain (Section 6.6.1)
2. RSSI (Section 6..6.2)
3. I and Q values (Section 6.6.3)
The adjustment data selected during calibration is stored in Flash ROM.
Figure 6.13: Test software screen
TEST MODE <TERM> With SOFT SIM <ENABLED> the UUT will be
removed from test mode and can be placed into a
call
SIM STATUS <SHOW> Checks and displays the SIM status
CHECK SUM <SHOW> Displays the software checksum
CHANNEL BOX COMMAND INDICATION FUNCTION