Table of Contents
SPD-M20A Service Manual
2
<Half mirror (LM ASSY)> ...................................................................................... 33
5.4 Electrical unit ............................................................................. 34
<Lamp housing fan (Fan ASSY)> ......................................................................... 34
<Fuses and Power Supply Voltage> ..................................................................... 34
CHAPTER 6:
MAINTENANCE AND ADJUSTMENTS ........... 37
6.1 Preparations and Precautions ................................................... 37
6.2 Checks from Setup to Initialization ............................................ 38
< Setup > .............................................................................................................. 38
< Connection > ..................................................................................................... 38
< Filling Flow Cell with Water > ............................................................................ 38
< Switching Lamps ON/OFF Manually > ............................................................... 39
< Mercury Lamp Holder Jig >................................................................................ 40
6.3 Optical Axis Adjustment ............................................................. 41
6.3.1 Process when Performing Wavelength Calibration ................................. 41
6.3.2 Optical Axis Adjustment Procedure .......................................................... 42
6.3.3 Mirror 1 Adjustment .................................................................................. 42
6.3.4 W Lamp House Adjustment ..................................................................... 43
6.3.5 Mirror 2 Adjustment (back and forth direction) ......................................... 44
6.3.6 Mirror 2 Adjustment (Rotation Direction, Elevation Angle Direction) ........ 45
6.3.7 Slit Adjustment (Rough Adjustment) ........................................................ 45
6.3.8 Grating Adjustment .................................................................................. 46
6.3.9 Photodiode Array (PDA) Adjustment (Rough Adjustment) ....................... 47
6.3.10 Slit Adjustment (Fine Adjustment) .......................................................... 48
6.3.11 Photodiode Array (PDA) Adjustment (Fine Adjustment) ......................... 49
6.3.12 Supplemental Information: ..................................................................... 49
< If the wavelength calibration error occurs > ....................................................... 49
< Measures when FAIL is displayed during wavelength check using the mercury
lamp > ........................................................................................................ 50
6.4 PDA Utility service menu ........................................................... 51
6.4.1 PDA Utility starting method ...................................................................... 51
< When LCsolution is installed > .......................................................................... 51
< When CLASS-VP is installed > .......................................................................... 51
< When PDA Utility software of SPD-M20A attachment is installed > .................. 52
< Select connect instrument > .............................................................................. 52
< Select System > ................................................................................................. 52
< The service menu starting method> .................................................................. 53
< Optical Check > ................................................................................................. 54
< Absorbance Linearity Check > ........................................................................... 55
< Leak Sensor Check / Calibration > .................................................................... 55
< Instrument Information > .................................................................................... 56
6.5 Operation Check ....................................................................... 57
< Checking Initialization and Safety Function Operations > ................................. 57
< Leak Sensor Adjustment > ................................................................................. 57
< Exposure time Setting> ..................................................................................... 58
< Wavelength Accuracy and Spectral Bandwidth Check > ................................... 58
< Light Source Spectrum / Saturation Level Check > ........................................... 59
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