4
In This Book
This handbook is intended for the technical reader who needs background
information about the Agilent 8453 spectrophotometer and potential repairs.
The handbook contains specifications of the spectrophotometer as well as
descriptions of front and back panels, for example, where to connect
accessories. Electronics are explained at block-diagram level. There is a
detailed section about troubleshooting to help find a defective subassembly,
such as an electronic board, in case the spectrophotometer does not operate
any more. Part replacement procedures as well as an exploded view with
part numbers are given for ordering and replacing assemblies.
For information about installation of the system including the
spectrophotometer, computer and accessories, see the Installing Your
UV-Visible Spectroscopy System handbook.
Use Chapter 1 “Specifications” to check the specifications of the
spectrophotometer.
Use Chapter 2 “Theory of Operation” if you want an overview of the optics,
front and rear panel functions or if you need explainations about the
electronics or pin assignment of cables.
Use Chapter 3 “Diagnostics and Troubleshooting” to find explainations of
status and error messages and a logical approach to troubleshooting.
Use Chapter 4 “Maintenance and Repair” for exchanging parts, such as lamps
and electronical or mechanical items and cleaning lenses,
Use Chapter 5 “Parts and Materials” to locate parts and find out their part
numbers.
Use Chapter 6 “Interfacing” to set the 8-bit switch for RS232 comunication
and to reset the spectrophotometer in case of problems when loading a new
firmware. Use the Installing Your UV-Visible Spectroscopy System
handbook for information about GPIB settings.
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