Assembly Removal Instructions; Figure 8-9. Logic Clip Monitoring Of Test Ic U9 - HP 5501B Operating And Service Manual

8-52. ASSEMBLY REMOVAL INSTRUCTIONS

8-53. Figure 6-1, the exploded view diagram in
provides access and removal information, and gives assembly part number references.
8-54. Access to the assemblies within the laser head is required to troubleshoot or adjust the laser
head circuits. The following paragraphs describe how to remove the laser head covers and how
to remove and reinstall the major assemblies.
HIGH VOLTAGES ARE GENERATED WITHIN THE LASER HEAD
HOUSING. THE COVERS OF THE LASER HEAD CONTROL A
SAFETY INTERLOCK SWITCH (A1S1) TO PREVENT ACCIDENTAL
ACCESS TO THESE VOLTAGES. TO ENSURE SAFETY AND
POSSIBLE
DISCONNECT THE POWER SOURCE FROM THE LASER HEAD
BEFORE REMOVING THE COVERS.
8-14

Figure 8-9. Logic Clip Monitoring of Test IC U9

EQUIPMENT DAMAGE,
Section 6, shows the HP5501B assembly locations,
HOWEVER,
HP5501B
Service
ALWAYS