Panasonic EBX70 - CELL PHONE Manual

Order Number: PMCD031201T8
Digital Cellular Phone
EB-X70
Subject : Baseband Calibration Procedure
1Introduction
Please replace Pages 55 and 56 of the X70 Service Manual with the new pages attached to this Technical Bulletin.
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to
service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else
could result in serious injury or death.
© 2003 Matsushita Mobile Communications
Development of Europe Ltd. All Rights Reserved.
Unauthorised copying and distribution is a
violation of law.

CALIBRATION PROCEDURES
PMCD030901C8 Section 9 Issue 1
Service Manual – 55 – Revision 1
9.4. Battery Calibration
9.4.1 Preliminaries
1. Connect the RF Adaptor / Baseband Jig, telephone and PC as shown in the diagram below.
Figure 9.3: Battery calibration test connections
2. With the CB2000 software running, select the ‘Baseband Calibration’ button.
3. Select the Battery Calibration tab.
4. The Battery Calibration window is divided into three areas:
a) Semi-Auto Voltage Calibration
b) Temperature Calibration.
c) Charging Calibration.
9.4.2 Semi-Auto Battery Calibration
1. Ensure that VBAT is set to 3.7 V. Do NOT connect PSU 2 or Cable 2.
2. Carry out the instructions described in the main dialogue window. Note that the VBAT HIGH voltage is 4.2 V and that VBAT
LOW voltage is 3.0 V.
9.4.3 Temperature Calibration
1. Ensure that VBAT is set to 3.7 V. Do NOT connect PSU 2 or Cable 2.
2. Carry out the instructions described in the main dialogue window.
3. If at any time the message “Temperature Cal failed”, the calibration procedure has failed. Check all test equipment
connections and that the correct resistor has been selected before suspecting a problem with the handset. Further
information may be displayed in the dialogue window.
4. When the message “Temperature Cal Done” is displayed in the dialogue window, the calibration procedure has been
completed.
+3.7V POWER SUPPLY PC
CABLE 1
PCB REPAIR JIG +5.8 V POWER SUPPLY
CABLE 2
10766-1

CALIBRATION PROCEDURES
Issue 1 Section 9 PMCD030901C8
Revision 1 – 56 – Service Manual
9.4.4 Charging Calibration
1. Switch on PSU2 and set the voltage to 5.8 V. Connect Cable 2 to the connector of Cable 1.
2. Carry out the instructions described in the main dialogue window.
3. When prompted, measure the RF Adaptor / Baseband Jig voltage by connecting a voltmeter to the terminals on the RF
Adaptor / Baseband Jig.
4. If at any time the message “Charging Cal failed”, the calibration procedure has failed. Check all test equipment
connections and that the correct resistor has been selected before suspecting a problem with the handset. Further
information may be displayed in the dialogue window.
5. When the message “Charging Cal Done” is displayed in the dialogue window, the calibration procedure has been
completed.
9.5. Camera Calibration
Currently there are no camera calibration procedures for this product.