Repair; Replaceable Assemblies - HP 16500A Service Manual

HP 16500A/16501A - Service

6-8. Repair

The repair procedures in this section are provided for the removal and replacement of major assemblies
of the HP 16500A mainframe and of the HP 16501A expansion frame. After diagnosing the defective
assembly using the troubleshooting flowcharts, refer to the appropriate repair procedure and follow the
steps provided. Table 6-3 lists the paragraph numbers where assembly repair information is located.
The HP 16500A is equipped with a standby switch on the front-panel that DOES
NOT de-energize the power supply when switched to the STBY position. To
avoid shock hazards capable of causing injury or death, disconnect the power
cord for all of the assembly replacement procedures.
After making repairs, perform the power-up test and all tests of the mainframe test system.
6-46
Table 6-3. Replaceable Assemblies
Paragraph
HP 16500A/16501A
6-10 Cover Removal
6-11 Power Supply
6-12 Mother Board
6-13 Rear Fan
6-14 Side Fan
HP 16500A
6-15 Rear Disk Drive
6-16 Front Disk Drive
6-17 Microprocessor Board
6-18 Front-Panel Board
6-19 Color Display Module
HP 16501A
6-20 Expansion Interface Board
(In the HP 16501A)
6-21 Mainframe Interface Board
(In the HP 16500A)
Assembly