Stop electronic waste - fix it yourself

1 TABLE OF CONTENTS...................................................................................................................................2
2 ADDITIONAL FEATURES AND DIFFERENCES TO GIGASET 3000.....................................................3
2.1 DECT-SPECIFIC DETAILS............................................................................................................................3
3 PROCEDURES...................................................................................................................................................4
3.1 SERVICE PROCEDURES FOR GIGASET 4000 CLASSIC..........................................................................................4
3.2 SERVICE PROCEDURES FOR GIGASET 4000 COMFORT........................................................................................5
3.3 SERVICE PROCEDURES FOR GIGASET 4010/ 15 CLASSIC/ COMFORT BASE STATION..................................................6
4 INFO STICKER/ LASERED IMPRINT AND STICKER ON MICROPROCESSOR...............................8
5 FAULT CODES..................................................................................................................................................9
6 FAULT DIAGNOSIS AND ELIMINATION..................................................................................................10
6.1 FUNCTIONAL TEST...................................................................................................................................10
6.2 RECOGNITION OF TYPICAL CUSTOMER PROBLEMS.............................................................................................12
6.3 CHECK OF COMPLETE SYSTEM WITH FAULT DESCRIPTION OF CUSTOMER................................................................16
6.4 CHECK OF COMPLETE SYSTEM WITHOUT FAULT DESCRIPTION OF CUSTOMER...........................................................16
6.5 CHECK OF COMPONENT WITH FAULT DESCRIPTION OF CUSTOMER.........................................................................16
6.6 CHECK OF COMPONENT WITHOUT FAULT DESCRIPTION OF CUSTOMER....................................................................16
6.7 BLOCK DIAGRAMS OF HANDSETS..................................................................................................................17
6.7.1 Classic handset...................................................................................................................................17
6.7.2 Comfort handset..................................................................................................................................18
6.8 REPAIR OF MOBILE UNIT GIGASET 4000 CLASSIC AND COMFORT.......................................................................19
6.8.1 Exploded view G4000 Classic.............................................................................................................20
6.8.2 Exploded view G4000 Comfort...........................................................................................................21
6.8.3 Disassembling.....................................................................................................................................22
6.8.4 Assembling..........................................................................................................................................29
6.8.5 Board Layout Gigaset 4000 Classic....................................................................................................30
6.8.6 Board Layout Gigaset 4000 Comfort..................................................................................................31
6.8.7 Mobile unit faulty due to humidity......................................................................................................32
6.8.8 SLR (microphone-path faulty).............................................................................................................33
6.8.9 RLR (earphone-path faulty).................................................................................................................34
6.9 REPAIR OF BASESTATION GIGASET 4010/ 4015 CLASSIC/ COMFORT..................................................................35
6.9.1 Exploded view.....................................................................................................................................35
6.9.2 Disassembling.....................................................................................................................................36
6.9.3 Assembling..........................................................................................................................................36
6.9.4 Board Layout Gigaset 4010 Classic (EU1 version)............................................................................37
6.9.5 Board Layout Gigaset 4010 Comfort (EU1 version)..........................................................................38
6.9.6 Board layout Gigaset 4015 Classic (EU1 version).............................................................................38
6.9.7 Board layout Gigaset 4015 Comfort (EU1 version)...........................................................................38
6.9.8 Charging problems.............................................................................................................................39
6.9.9 Base station faulty due to lightning stroke..........................................................................................40