Panasonic EB-X70 Service Manual

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

Issue 1 – ii – PMCD030901C8Revision 0 Service ManualCOMPANY LIABILITYEvery care has been taken to ensure that the contents of this manual give an accurate representation of the equipment.However, Panasonic Mobile Communications Development of Europe Ltd. accepts no responsibility for inaccuracies whichmay occur and reserves the right to make changes to the specification or design without prior notice.The information contained in this manual and all rights in any design disclosed therein, are and remain the exclusive propertyof Panasonic Mobile Communications Development of Europe Ltd.Other patents applying to material contained in this publication:CP8 PATENTSComments or correspondence concerning this manual should be addressed to:Panasonic Mobile Communications Development of Europe Ltd.,2 Gables WayThatcham,Berkshire.RG19 4ZB.ENGLANDCONTENTSPage Page1 INTRODUCTION 11.1 Purpose of this Manual 11.2 Structure of the Manual 21.3 Servicing Responsibilities 22 GENERAL DESCRIPTION 32.1 General 32.2 Features 32.3 Telephone Handset Main Kit 33 OPERATING INSTRUCTIONS 43.1 General 43.2 Controls and Indicators 43.3 Liquid Crystal Displays 53.4 Alpha Entry 53.5 Features Menu Structure 63.6 IMEI and Software Identification 73.7 SIM Personalisation 74 TECHNICAL DESCRIPTION 94.1 RF Overview 94.2 Transmitter 114.3 Receiver 124.4 Baseband Overview 134.5 CALYPSO+ 164.6 SYREN 184.7 Bluetooth Module 194.8 Power Supplies 205 REPAIR PROCEDURES 255.1 Introduction 255.2 Underfill Resin Paste 255.3 Lead Free (PbF) solder 255.4 Jigs and Tools 265.5 Using the Channel Box software 286 DISASSEMBLY / REASSEMBLY 296.1 General 296.2 Disassembly 306.3 Reassembly 357 INTERFACES AND TEST POINTS 397.1 Interfaces 397.2 Test Points 448 FAULT FINDING 468.1 RF Waveforms 468.2 BGA Fault Identification 488.3 Power on fault analysis 499 CALIBRATION PROCEDURES 519.1 Introduction 519.2 Carrier Power Calibration 519.3 RSSI 549.4 Battery Calibration 559.5 Camera Calibration 5610 REPLACEMENT PARTS LIST 5710.1 Sub-Assemblies 5710.2 Main PCB Variants 5910.3 Language Packs 5910.4 Main PCB Components 5910.5 Display PCB 6310.6 Bulk Pack items 6410.7 Jigs and Tools 6410.8 Document Packs 6411 CIRCUIT DIAGRAMS 6512 LAYOUT DIAGRAMS 74