Panasonic EB-X70 - Fixed Dial and Barred Dial Management

CALIBRATION PROCEDURES
PMCD030901C8 Section 9 Issue 1
Service Manual – 53 – Revision 0
9.2.3 Automatic Calibration Procedure
This procedure requires the use of a Gigatronics 8541C or Wavetek 4400 power meter.
1. De-case the handset as described in Section 6.2.
2. Connect the test equipment as shown below.
Figure 9.1: RF calibration test connections
3. Select X70 and then select the required band, e.g. ‘GSM (900 MHz)’.
4. With the CB2000 software running, select ‘TX CAL’ button
5. When the Tx Calibration screen is displayed, start automatic calibration by selecting the ‘Run Auto Cal’ button.
6. Once the automatic calibration has finished, select the ‘Run Auto Verify’ button to verify the calibration.
7. When finished, select the ‘EXIT’ button to save data to the handset. A confirmation message will be displayed in the next
box.
9.2.4 Manual Calibration Procedure
This procedure is used to adjust or verify each calibration channel in turn.
1. Ensure the correct offset values for attenuation are stored in the Setup menu.
2. Connect the test equipment as shown in Figure 9.1:
3. Select X70 and then select the required band, e.g. ‘GSM (900 MHz)’.
4. With the CB2000 software running, select the ‘TX CAL’ button.
5. The Tx Calibration screen should be displayed.
6. Within the Manual Calibration area of the screen, select the ‘START CALIBRATION’ button.
7. Carry out any instruction displayed in the top text box. The second text box displays the expected power meter reading for
the given channel. The text box to the right of the ‘ADJUST POWER’ slider displays the current DAC value for the channel.
8. Adjust the DAC value on the CB2000 until the power meter is within the power limits listed in paragraph 9.2.1..
Note: If other media programs are running, e.g. Winamp, an error message may be returned.
NOTE: To ensure that the telephone operates within set SAR margins, Panasonic recommends that a power meter
capable of measurement to an accuracy of ±0.2 dB is used when calibrating power levels. Use of a less
accurate power meter may result in the telephone failing to meet SAR standards.
NOTE: To ensure that the telephone operates within set SAR margins, Panasonic recommends that a power meter
capable of measurement to an accuracy of ±0.2 dB is used when calibrating power levels. Use of a less
accurate power meter may result in the telephone failing to meet SAR standards.
+3.7V POWER SUPPLY
PC
CABLE 1
PCB REPAIR JIG
GSM TESTER
RF CABLE
10745-1
GPIB-USB CABLE
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