Download ProStar 335 Service manual

ProStar335 Service Manual
4
3.23
Source lamps
52
3.24
Cleaning
53
3.25
Excessive Noise and/or Drift
53
Electronics ................................................................................. 55
4.1 Introduction
55
4.2 OEM power supplies
55
4.2.1
Low voltage power supplies
55
4.2.2
Deuterium (D2) lamp power supply
56
4.2.3
Visible lamp power supply
57
4.3 Processor PWB
4.3.1
Processor PWB functions
58
4.3.2
Non Volatile Data Storage
60
4.3.3
Signal processing and A to D conversion
61
4.3.4
Relay Outputs
61
4.3.5
Peak Sensing
61
4.3.6
Analog Output
61
4.3.7
Calibration
63
4.4 Dual Photodiode pre-amp PWB
67
4.5 Initialization Sequence
69
4.6 LEDs and diagnostic display
69
4.6.1
Seven segment displays
69
4.6.2
Diagnostic select switch
70
4.7 Removal & replacement procedures
5
71
4.7.1
Processor PWB
71
4.7.2
Power Supplies
74
4.7.3
Fan replacement
75
4.7.4
Fuses
75
Optics......................................................................................... 79
5.1 Introduction
79
5.2 Optics module
79
5.2.1
UV lamp assembly
79
5.2.2
Visible lamp assembly
80
5.2.3
Polychromator
80
5.2.4
Optical path
80
5.3 Removal and replacement procedures
Publication date: April 2004
58
84
5.3.1
UV lamp source
84
5.3.2
Visible lamp source
86
5.3.3
Optics module
87
5