Agilent Technologies 3458A Repair Manual

78 Chapter 4 Assembly Level Troubleshooting
5. AC Current Function Failure -- AC Converter (A2) assembly.
Table 9. Self-Test Error Messages and Probable Causes
Error
Number
Error Message Probable Cause Ref
Desig
Assembly
Part Number
200 Isolator (Recovered) A/D Converter and
Inguard Logic
A3 03458-66503
Outguard Controller A5 03458-66505
A5 03458-66515
200 Isolator Does Not
Respond
A/D Converter and
Inguard Logic
A3 03458-66503
Outguard Logic A5 03458-66505
A5 03458-66515
200 Unexpected Slave
Processor Reset
A/D Converter and
Inguard Logic
A3 03458-66503
201 Nonvolatile RAM
DTACK
Outguard Controller A5 03458-66505
A5 03458-66515
201 HPIB DTACK Outguard Controller A5 03458-66505
A5 03458-66515
201 Timer DTACK Outguard Controller A5 03458-66505
A5 03458-66515
201 Isolator DTACK Outguard Controller A5 03458-66505
A5 03458-66515
202 Slave Self Test A/D Converter and
Inguard Logic
A3 03458-66503
202 Salve Test: Isolator
Date
A/D Converter and
Inguard Logic
A3 03458-66503
202 Slave Test: Intr Data AC Converter A2 03458-66502
202 Slave Test: DC Board DC Circuitry A1 03458-66501
202 Slave Test: AC Board AC Converter A2 03458-66502
202 Slave Test: Overload DC Circuitry A1 03458-66501
A/D Converter and
Inguard Logic
A3 03458-66503
202 Slave Test: Gate
Array
A/D Converter and
Inguard Logic
A3 03458-66503
202 Slave Test:
Covergence
DC Circuitry A1 03458-66501
A/D Converter and
Inguard Logic
A3 03458-66503
202 Slave Test:
Interpolator
DC Circuitry A1 03458-66501
A/D Converter and
Inguard Logic
A3 03458-66503
204 DC VOS DAC
Convergence
DC Circuitry A1 03458-66501
204 Precharge DAC
Convergence
DC Circuitry A1 03458-66501
204 MC DAC
Convergence
AC Converter A2 03458-66502
204 Flatness DAC
Convergence
AC Converter A2 03458-66502
204 Level DAC
Convergence
AC Converter A2 03458-66502
204 AC VOS DAC
Convergence
AC Converter A2 03458-66502

Agilent Technologies 3458A Specifications

General

Brand	Agilent Technologies
Model	3458A
Category	Multimeter
Language	English