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TANDBERG E5714 User Manual

Page 215

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Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder

Page 6-1

ST.TM.E10076.3

Chapter 6

6.

Preventive Maintenance and

Fault-finding

Contents

6.1 Introduction ............................................................... 6-3

6.2 Preventive Maintenance............................................ 6-3

6.2.1 Routine Inspection - Cooling Fans................ 6-3
6.2.2 Cleaning........................................................ 6-3
6.2.3 Servicing....................................................... 6-3

Damage Requiring Service........................... 6-3
Replacement Parts ....................................... 6-4
Checks on Completion of Servicing.............. 6-4

6.3 Maintenance and Support Services .......................... 6-4

6.3.1 Introduction................................................... 6-4
6.3.2 Warranty ....................................................... 6-4
6.3.3 Levels of Continuing TANDBERG

Television Service Support........................... 6-4

6.4 Errors and Diagnostics Menus – When to Use

Them ...................................................................... 6-5
6.4.1 Error Messages ............................................ 6-5
6.4.2 Diagnostics Menu ......................................... 6-5

Introduction................................................... 6-5
LCD Display Test.......................................... 6-6
Keyboard Test .............................................. 6-6
Fail Relay Test.............................................. 6-6
Alarm Relay Test .......................................... 6-6
Alarm LED Test ............................................ 6-6
Buzzer Test................................................... 6-7

6.5 Fault-finding .............................................................. 6-7

6.5.1 Fault-finding Philosophy ............................... 6-7
6.5.2 Preliminary Checks....................................... 6-7
6.5.3 User Accessible Fuse Replacement............. 6-8

6.5.4 Video Fault-finding ........................................6-9

Fault Symptoms ............................................6-9
Breaks in Transmission.................................6-9
Noise Reduction............................................6-9

6.5.5 Audio Fault-finding ......................................6-10
6.5.6 Mux Fault-finding.........................................6-10

6.6 Rate Buffer Setting ..................................................6-10

6.7 Field/Frame Pictures ...............................................6-10

6.8 Power Supply Problems/Green LED on Front

Panel Unlit ...............................................................6-11
6.8.1 Symptoms ...................................................6-11
6.8.2 Power LED Unlit..........................................6-11
6.8.3 Fan(s) Not Working/Overheating ................6-11

6.9 Disposing of This Equipment...................................6-12

6.9.1 General .......................................................6-12
6.9.2 Lithium Batteries .........................................6-12

List of Figures

Figure 6.1: Finding the Errors Menu.............................................. 6-5
Figure 6.2: Finding the Diagnostics Menu..................................... 6-6
Figure 6.3: Orientation of Fuse Carrier.......................................... 6-9

List of Tables

Table 6.1: Video Fault-finding........................................................ 6-9
Table 6.2: Rate Buffer Settings.................................................... 6-10
Table 6.3: Power LED Unlit Fault-finding .................................... 6-11
Table 6.4: Fans Not Working/Overheating .................................. 6-12

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