Troubleshooting The Processor, Power Supply, And Display What You Will Find In This Chapter - Agilent Technologies PSA Series Service Manual

Troubleshooting the Processor, Power Supply, and Display
What You Will Find in This Chapter
What You Will Find in This Chapter
The following information is presented in this chapter:
1. Theory of operation of the CPU, power supply, and display sections
2. Isolating the cause of an hardware problem by verifying the
Each section first describes how the assembly works, then gives
NOTE
information to help you troubleshoot the assembly. Each description
explains the purpose of the assembly, describes the main components,
and lists external connections to the assembly.
This following sections are found in this chapter:
• Motherboard
• CPU Assembly Description
• Verifying the CPU Assembly
• Power Supply Description
• Isolating a Power Supply Problem
• SCSI Interface Board
• Front Frame Description
146
along with descriptions of the motherboard, front panel interface
assembly and SCSI Interface board.
functionality of assemblies in these sections.
Description.....................................................page 147
Keyboard Description
Front-Panel Interface Description
Display Description.........................................................page 159
Disk Drive........................................................................page 159
.................................................page 148
...............................................page 149
...................................................page 153
......................................page 154
Description.......................................page 158
.....................................................page 159
.....................................................page 159
.................................page 159
Chapter 7