Panasonic EB-X70 Service Manual

Also see for EBX70 - CELL PHONE: Operating instructions Operating instructions Technical information Service manual

REPAIR PROCEDURESIssue 1 Section 5 PMCD030901C8Revision 0 – 26 – Service Manual5.4. Jigs and Tools5.4.1 Personal Computer (PC)The PC (IBM compatible) is used as a Unit Under Test controller. This, in conjunction with the channel box software, allows allof the test facilities normally provided through the keypad of the Unit Under Test.The Microsoft Windows® 98SE, 2000 or XP operating system must be installed on the PC.A Universal Serial Bus (USB) port must be installed on the PC if automatic RF calibration is to be performed.5.4.2 PCB Repair Jig (Part No. JT00091)Figure 5.1: PCB Repair JigThe PCB Repair Jig provides the necessary connections between the PCB Assembly and external test equipment. It isrequired for RF calibration. The following spares items are available for the PCB Repair Jig:• PCB probe pins, pack of 3 (Part No. JT00092)• RF probe (Part No. JT00084)A cable with SMA female connector is provided to make the RF connection. An SMA to N-Type male adaptor will be requiredto connect the Repair Jig to the service equipment. Cable losses for the RF connection are as follows:A replacement RF Probe for the Repair Jig is available as a spares item.5.4.3 GSM TesterThis unit acts as a base station providing all the necessary GSM signalling requirements and also provides GSM signalmeasuring facilities.CautionThe power cable has a large capacitor across the positive and negative leads to reduce the loading effect on the powersupply during RF calibration.Therefore, it is important that the correct polarity of the cables is observed, otherwise serious damage will occur to thecapacitor.Band OffsetGSM 850 & GSM 900 0.6 dBGSM 1800 0.8 dBGSM 1900 0.9 dB10731-10 - 82 R3.9k - ~ - 27kSW1SW2{All manuals and user guides at all-guides.com