Agilent Technologies 83438A - Manual (Page 66)

5-12
Servicing
Troubleshooting
Troubleshooting
The following procedures are located in this section:
If the output power is low 5-14
To check the A5 Laser Driver Board Assembly 5-15
To check the A2A2 Laser Modulation Board Assembly 5-17
To check the A4 Power Supply Board Assembly 5-18
To check the line-power fuse 5-19
W A R N I N G To avoid exposure to the laser path of a CLASS IIIb LASER
PRODUCT, do not open the A2A1 assembly. There are no
serviceable components inside. Do not damage the fiber-optic
cable that connects the CLASS IIIb pump laser, A2A3, to the
A2A1 assembly. Other laser paths outside of the A2A1
assembly do not require precautions to maintain safety.