Service manual LIMAX
120
Service manual version 1.00
page I
Table of Contents
Table of Contents ................................................................................................... I
1
Product Liability & Warranty .................................................................. 1
1.1
General information ............................................................................. 1
1.2
Hotline ............................................................................................... 1
2
Safety Instructions ............................................................................... 2
2.1
General Provisions ............................................................................... 2
2.2
Laser safety ........................................................................................ 4
2.3
Explosion and Fire Hazards ................................................................... 5
2.4
Safety Instructions Relating to the Pilot Laser .......................................... 5
2.5
Electrical safety ................................................................................... 6
2.5.1
Grounding the Unit .............................................................................. 6
2.5.2
Danger by Voltage ............................................................................... 6
2.6
Safety Devices..................................................................................... 7
2.6.1
Rating plates and warning & information labels ........................................ 8
2.6.2
Hardware-Software label after service update .......................................... 9
3
Transport and packaging .................................................................... 10
3.1
Transportation ................................................................................... 10
3.2
Opening the carrier box ...................................................................... 11
3.3
Packaging ......................................................................................... 11
4
Functional description ......................................................................... 12
4.1
Front ................................................................................................ 12
4.2
Backside ........................................................................................... 13
4.3
Opto-mechanical unit ......................................................................... 14
4.4
Gas flow controller ............................................................................. 19
4.5
PCB stack ......................................................................................... 20
4.6
Front panel ....................................................................................... 21
4.7
Power supply unit .............................................................................. 22
4.8
Cooling unit ...................................................................................... 23
4.8.1
Cooling unit connectors ...................................................................... 24
4.9
VAC ................................................................................................. 25
4.9.1
VAC filter .......................................................................................... 26
4.9.2
Special voltages ................................................................................ 27
4.10
Footswitch ........................................................................................ 27
4.10.1 Footswitch wiring diagram .................................................................. 28
5
Disassembly and replacement ............................................................. 29
5.1
Removal of the front cover .................................................................. 29
5.2
Removal of the back cover .................................................................. 30
5.3
Removal of the opto-mechanical unit .................................................... 32
5.4
Removal of the gas flow controller ....................................................... 33
5.5
Removal of the front panel .................................................................. 34
5.6
Removal of the PCB stack ................................................................... 35
5.6.1
Replacing the CPU board battery .......................................................... 35
5.7
Removal of the power supply unit ........................................................ 36