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Step no. 19
DCU test
Tests the DCU 9000.
Error code
Test
Possible error source
1901
Audio/Speaker
PCB 901, cable, PCB 902, speaker
1902
Display backlight
Display, PCB 901
1903
Keyboard backlight
PCB 902, cable, PCB 901
1904
Contrast circuit
PCB 901, display
1905
Distress LED
PCB 902, cable, PCB 901
1906
Call LED
PCB 902, cable, PCB 901
1907
Supply LED
PCB 902, cable, PCB 901
SERVICE
SELF-TEST
5-14
DSC 9000 TECHNICAL MANUAL
Summary of Contents for DSC 9001
Page 4: ...TABLE OF CONTENTS II DSC 9000 TECHNICAL MANUAL...
Page 6: ...INTRODUCTION 1 2 DSC 9000 TECHNICAL MANUAL...
Page 12: ...INTRODUCTION TECHNICAL DATA 1 8 DSC 9000 TECHNICAL MANUAL...
Page 14: ...DSC 9000 FRONT PANEL OPERATION DSC 9000 FRONT PANEL 2 2 DSC 9000 TECHNICAL MANUAL...
Page 84: ...OPERATION 2 72 DSC 9000 TECHNICAL MANUAL...
Page 86: ...INSTALLATION 3 INSTALLATION Table of Contents 3 2 DSC 9000 TECHNICAL MANUAL...
Page 95: ...FIGURES AND TABLES FIGURES AND TABLES INSTALLATION DSC 9000 TECHNICAL MANUAL 3 11...
Page 130: ...INSTALLATION DSC 9000 INSTALLATION WIRING DIAGRAM 3 46 TRP 9000 TECHNICAL MANUAL...
Page 140: ...TECHNICAL DESCRIPTION 4 TECHNICAL DESCRIPTION Table of Contents 4 2 DSC 9000 TECHNICAL MANUAL...
Page 146: ...TECHNICAL DESCRIPTION DSC UNIT DU 9006 4 8 DSC 9000 TECHNICAL MANUAL...
Page 154: ...SERVICE 5 SERVICE Table of Contents 5 2 DSC 9000 TECHNICAL MANUAL...
Page 167: ...DSC 9000 SPARE PARTS DSC 9000 SPARE PARTS SERVICE DSC 9000 TECHNICAL MANUAL 5 15...
Page 169: ...1 2 3 DSC CONTROL UNIT SPARE PARTS SERVICE DSC 9000 TECHNICAL MANUAL 5 17...
Page 171: ...1 2 3 4 5 6 7 8 9 10 DSC UNIT 9001 SPARE PARTS SERVICE DSC 9000 TECHNICAL MANUAL 5 19...
Page 173: ...1 2 3 4 5 7 8 9 10 11 6 DSC UNIT 9006 SPARE PARTS SERVICE DSC 9000 TECHNICAL MANUAL 5 21...