Table of Contents
SPD-M20A Service Manual
1
Table of Contents
CHAPTER 1:
INTRODUCTION ............................................... 5
<Scope of the Service Manual> ............................................................................. 5
<Disclaimer> .......................................................................................................... 5
<History> ................................................................................................................ 5
CHAPTER 2:
SAFETY PRECAUTIONS .................................. 7
CHAPTER 3:
SPECIFICATIONS ............................................. 9
3.1 Specifications .............................................................................. 9
3.1.1 Performance specifications ....................................................................... 9
3.1.2 Flow cell (standard).................................................................................... 9
3.1.3 Safety Features.......................................................................................... 9
3.1.4 Detector main unit ...................................................................................... 9
3.2 Operating principles .................................................................. 10
3.3 Description of the optical system ............................................... 10
CHAPTER 4:
PART NAMES ................................................. 13
CHAPTER 5:
ASSEMBLY AND DISASSEMBLY OF PARTS 15
5.1 Internal structure and disassembly method ............................... 15
<Removing the case cover> ................................................................................ 15
< Duct (P/N 228-42564)> ..................................................................................... 15
<Main frame> ....................................................................................................... 16
<Front Panel Adjustment Procedure> .................................................................. 17
<Sensors and Temperature Controlled Cell Connector> ..................................... 22
<Leak sensor ASSY 700 MM> ............................................................................. 22
<Micro SW ASSY> ............................................................................................... 23
5.1.4.3 Thermistor (thermistor ASSY P/N 228-42522-91) .................................... 23
<Temperature controlled cell connector> ............................................................. 23
5.2 Printed circuit board .................................................................. 25
<PCB ASSY, PDA-CPU > ..................................................................................... 25
<PCB ASSY, PDA-POWER> ............................................................................... 27
5.3 Optical System Unit ................................................................... 28
<Grating ASSY> ................................................................................................... 30
<PDA ASSY> ....................................................................................................... 30
<Slit ASSY>.......................................................................................................... 30
<Mirror M1 ASSY> ............................................................................................... 31
< Mirror M2 ASSY> .............................................................................................. 31
<Shutter ASSY> ................................................................................................... 32
<W lamp ASSY> .................................................................................................. 32
<Guide fin D2> ..................................................................................................... 33
<Lamp housing, D2> ............................................................................................ 33
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