A40 Cpu; A42 Memory; A43 Expanded Memory; A47 Dsp/Display Controller - Agilent Technologies 89410A Service Manual

Power-up Troubleshooting Guide
Failing Self Test or Message Displayed
MC68030 Processor
MC68882 Coprocessor
Boot ROM
Stack RAM
Main RAM
Display RAM
DSP RAM
Program ROM
Mult fctn peripheral
NVRAM
Real time clock
DIN controller
FP kbd interface on memory board does not respond
Failure during keyboard initialization
Front panel keyboard revision problem
DSP/bus
DSP processor
DSP processor information:
Failure during Sample
RAM/DSP interface test
DSP processor
LAN ROM
Additional hardware
Additional hardware information:
Any of the following:
Digital Source not found
Digital Source address read problem!
Digital Source revision read problem!
Unable to program Digital Source hardware
b
Determine the probable faulty assembly and next test or step by
comparing the power-up test results to the following table.
The power-up tests are listed in the order they are ran. If
power-up test messages match more than one entry in the table,
use the entry closest to the beginning of the table. Assemblies are
listed in order of probable failure when more than one assembly
can cause the failure.
Probable Faulty Assembly

A40 CPU

A47 DSP/Display Controller

A42 Memory

A40 CPU
memory battery
A42 Memory
A42 Memory
A80 Keyboard
A47 DSP/Display Controller
A55/A56 Sample RAM
A47 DSP/Display Controller
A47 DSP/Display Controller

A43 Expanded Memory

A30 Digital Source
Troubleshooting the Analyzer
To perform self tests
Next Test or Next Step
Memory battery, page 1-93
1-35