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Reference Guide: Voyager E5784 and E5788 HD DSNG Encoder
Page 6-1
ST.RE.E10137.3
Chapter 6
6.
Preventive Maintenance and Fault-
finding
Contents
Introduction ............................................................... 6-3
Preventive Maintenance............................................ 6-3
Routine Inspection - Cooling Fans ............... 6-3
Cleaning ....................................................... 6-3
Servicing....................................................... 6-3
Damage Requiring Service........................... 6-3
Replacement Parts ....................................... 6-4
Checks on Completion of Servicing.............. 6-4
Maintenance and Support Services .......................... 6-4
Introduction................................................... 6-4
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
Error Messages ............................................ 6-5
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 .................................................. 6-6
Fault-finding .............................................................. 6-7
Fault-finding Philosophy ............................... 6-7
Preliminary Checks....................................... 6-7
AC User Accessible Fuse Replacement....... 6-8
Video Fault-finding........................................ 6-9
Fault Symptoms ............................................6-9
Breaks in Transmission.................................6-9
Noise Reduction............................................6-9
Audio Fault-finding ........................................6-9
Mux Fault-finding...........................................6-9
Rate Buffer Setting (SD Only) ...................................6-9
Field/Frame Pictures (SD Only)...............................6-10
6.8
Power Supply Problems/Green LED on Front
Panel Unlit ...............................................................6-10
Symptoms ...................................................6-10
Power LED Unlit..........................................6-10
Fan(s) Not Working/Overheating ................6-11
Disposing of This Equipment...................................6-11
General .......................................................6-11
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 ..........................................6-8
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.....................................6-10
Table 6.4: Fans Not Working/Overheating...................................6-11