Service manual

Avantra 36/44 Service Manual
iv Table of Contents
Electronics Packaging.................................................................................2-4
System Architecture....................................................................................2-4
Digital Engine Controller (DEC)....................................................................2-7
Operator Control Panel .................................................................................2-8
Micro-controller..........................................................................................2-9
OCP FLASHROM ........................................................................................2-9
Liquid Crystal Display (LCD).....................................................................2-10
Keypad........................................................................................................2-10
OLP/Bridge Interface .................................................................................2-10
Speaker (Audio Interface)..........................................................................2-10
Carriage Sensor Driver Module (CSDM).......................................................2-10
Sensor Driver Module (SDM)........................................................................2-11
SDM to DEC Interface................................................................................2-12
Laser Driver Module (LDM)...........................................................................2-13
Power Supply.................................................................................................2-14
Additional Voltages.....................................................................................2-14
Power Distribution.....................................................................................2-14
Power Good ...............................................................................................2-14
Optical System Overview..............................................................................2-15
Spot Generation Module ...............................................................................2-16
Laser Diode Mount.....................................................................................2-17
Polarizer......................................................................................................2-17
Spot Size Changer ......................................................................................2-17
Spot Forming Lens .....................................................................................2-17
Weak Lens...................................................................................................2-18
Beam Compressor......................................................................................2-18
Spin Motor Module........................................................................................2-18
Spin Motor..................................................................................................2-19
Mirror ..........................................................................................................2-19
Encoder.......................................................................................................2-19
Linear Carriage Transport Overview.............................................................2-19
Carriage Assembly......................................................................................2-19
Linear Bearing Guideway ..........................................................................2-21
Carriage Home Position Sensor.................................................................2-21
Inner Shrouds.............................................................................................2-21
Vacuum System...........................................................................................2-23
Media Transport System Overview...............................................................2-25