Table of Contents
iii
Introduction
Contractor Certification Requirements ..............................................................................1
Safety Precautions ............................................................................................................1
Safety Warnings ...............................................................................................................2
Precautions Against Static Electricity ................................................................................2
Before Turning Off Power .................................................................................................3
Replacing The Right Door (Ack Switch Panel Or Display)
...................4
Replacing Left Door (With Or Without Printer)
............................................8
Replacing The AC Input Filter And/Or Power Supply Board
...............9
Figures
Figure 1.
USB board - USB ports
...........................................................................3
Figure 2.
DB Backup Screen
.................................................................................3
Figure 3.
Opening The TLS-450PLUS Console Doors
.........................................4
Figure 4.
CPU board
..............................................................................................5
Figure 5.
Remove Display Cables From CPU Board
.............................................6
Figure 6.
Remove Ground Wire From Ack Switch/Display Door
...........................7
Figure 7.
Remove Top And Bottom Optional Display Door Hinge Screws
............7
Figure 8.
Removing Printer Door Ground Wire
......................................................8
Figure 9.
Removing Printer Door Power Connector
..............................................8
Figure 10.
Remove Optional Printer Cable From CPU Board
.................................9
Figure 11.
Remove USB Module Cables From CPU Board
....................................9
Figure 12.
Remove Ethernet Module Cables From CPU Board
............................10
Figure 13.
Remove AC Channel Cover
.................................................................10
Figure 14.
Removing AC Input Filter
......................................................................11
Figure 15.
Removing Power Supply Shield
...........................................................12
Figure 16.
Removing Power Supply Board
............................................................13