5-4
Servicing
General Information
General Information
Whenever you contact Agilent Technologies about your Agilent 83438A, have
the complete serial number and option designation available. This will ensure
you obtain accurate service information.
• Refer to Table 5-1 on page 5-5 for a list of internal labels.
• Refer to Table 5-2 on page 5-6 for a list of service tools.
• Refer to Table 5-3 on page 5-6 for the location of each instrument assembly.
• Refer to Table 5-4 on page 5-8 for the location of each cable.
Clean the cabinet using a damp cloth only.
Protect against ESD damage
Electrostatic discharge (ESD) can damage or destroy electronic components.
All work on electronic assemblies should be performed at a static-safe work
station. Refer to “Electrostatic Discharge Information” on page 5-10 for more
information on preventing ESD.
A2 ASE Source Assembly
The A2 ASE Source Assembly can not be repaired. It must be returned to Agi-
lent Technologies for service as a complete unit. The following assemblies are
included in the A2 ASE Source Assembly. Refer to “Major Assemblies” on
page 5-6.
A2A1 Fiber Track Assembly
A2A2 Laser Modulation Board Assembly
A2A3 Pump Laser
A2MP1 Laser heat sink
A2MP2 Optical deck sheet metal
CAUTION
Do not remove any of the screws or open the cover on the A2A1 Fiber Track
Assembly. Disturbing the routing of the internal fiber-optic cable could degrade
instrument performance. There are no serviceable components inside this
assembly. Return the complete A2 ASE Source Assembly to Agilent
Technologies for service.
