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1. INTRODUCTION
WARNING
The equipment described in this manual contains polarised capacitors utilising liquid electrolyte. These devices are entirely safe provided
that neither a short-circuit nor reverse polarity connection is made across the capacitor terminals. FAILURE TO OBSERVE THIS WARNING
COULD RESULT IN DAMAGE TO THE EQUIPMENT OR, AT WORST, POSSIBLE INJURY TO PERSONNEL RESULTING FROM
ELECTRIC SHOCK OR THE AFFECTED CAPACITOR EXPLODING. EXTREME CARE MUST BE EXERCISED AT ALL TIMES WHEN
HANDLING THESE DEVICES.
Caution
The equipment described in this manual contains electrostatic devices (ESDs). Damage can occur to these devices if the handling
procedures described in Section 4 are not adhered to.
Caution
This equipment may contain an internal battery in addition to the external battery packs. These batteries are recyclable and should be
disposed of in accordance with local legislation. They must not be incinerated, or disposed of as ordinary rubbish.
1.1. Purpose of the Manual
This Service manual contains the information and procedures required for installing, operating and servicing the Panasonic
GSM Personal Cellular Mobile Telephone system operating on GSM Digital Cellular Networks.
1.2. Structure of the Manual
1.3. Servicing Responsibilities
The manual is structured to provide service engineering personnel with the following information and procedures:
1.
General and technical information - provides a basic understanding of the equipment, kits and options, together with
detailed information for each of the major component parts.
2.
Installation and operating information - provides instructions for unpacking, installing and operating the equipment.
3.
Servicing information - provides complete instructions for the testing, disassembly, and reassembly of the product.
Step-by-step troubleshooting information is given to enable the isolation and identification of a malfunction, and thus
determine what corrective action should be taken. The test information enable verification of the integrity of the
equipment after any remedial action has been carried out.
4.
Illustrated parts list - provided to enable the identification of all cosmetic and some electrical components, for the
ordering of replacement parts.
The procedures described in this manual must performed by qualified service engineering personnel, at an authorized
service center.
The service engineering personnel are responsible for fault diagnosis and repair of all equipment described in this manual.
Summary of Contents for EB-X400
Page 86: ...12 1 12 LAYOUT DIAGRAMS 12 1 Main Board U2001 ...
Page 87: ...12 2 ...
Page 88: ...12 2 Upper Face PCB 12 3 Green Black Black White ...
Page 89: ...12 3 Hinge PCB 12 4 ...
Page 90: ...12 4 SIM PCB 12 5 ...