HP 8753E Service Manual

by the assembly that is being removed. After each assembly is removed or
disconnected switch on the analyzer and observe the red LED on
A15.
Note
n Alwags switch ofl the analgzer before rewwwing or
disconnecting assemblies.
n When extensive disassembly is required, refer to Chapter 14,
“Assembly Replacement and Post-Repair Procedures.
n
n Refer to Chapter 13, “Replaceable Parts,” to identify specific
cables and assemblies that are not shown in this chapter.
q If the red LED goes out, the particular assembly (or one receiving power from
it) that allows it to go out is faulty.
q If the red LED is still on after you have checked all of the assemblies listed in
‘lhble 5-3, continue to “Check the Operating Temperature”.
‘able 5-3. Recommended Order for RemovaUDisconnection
Assembly
Removal or Other Assemblies that Receive
To Remove Disconne&ion Method Power from the Removed Assembly
1. A19 Graphics Processor
Remove from Card Cage None
2. A14PracNDigital
Remove from Card Cage None
3. A9 CPU Disconnect W36 A20 Disk Drive
(see “Cables, Rear” in
Chapter 13)
4. Al6 Rear Panel Interface
5. A2 Front Panel Interface
5-l 2 Power Supply Troubleshooting

HP 8753E Specifications

General

Brand	HP
Model	8753E
Category	Measuring Instruments
Language	English