1-36
Troubleshooting the Analyzer
To perform self tests
Internal Control Path 3 open
Unable to write/read Internal Control Path 3
Unable to read Internal Control Path 3
Unable to program Source DC offset
A35 Analog Source
A36 Trigger
A30 Digital Source
Front-end control, page 1-60-
Extended RAM and Additional I/O not found
Extended RAM Board Bus Error
A43 Expanded Memory
Power-up Troubleshooting Guide
Failing Self Test or Message Displayed Probable Faulty Assembly Next Test or Next Step
Additional hardware (continued)
Additional hardware information:
Any of the following:
Trigger Board not found
Unable to download default Trigger GA
A36 Trigger
Sample RAM not found
Sample/Capture RAM not found
Sample RAM revision read problem!
Unable to read Sample RAM hardware ID
Unable to program Sample RAM hardware
A55/A56 Sample RAM
Pass Thru not found
Pass Thru address read problem!
Pass Thru revision read problem!
Unable to write Pass Thru control register
A71 Pass Through
Lo/Df not found
Lo/Df address read problem!
Lo/Df revision read problem
Lo/Df Channel 1 not found
Lo/Df Channel 2 not found
Unable to reset Lo/Df
Unable to write Lo/Df control register
IF Trigger RAM test failed
A50 Digital Filter
Channel 1 Control Path test failed
Channel 2 Control Path test failed
A10 Analog Input
A21 A/D Converter
A30 Digital Source
Front-end control, page 1-60
Channel number ADC not found A21 A/D Converter, channel
number
RF section not found Configuration Setup
A42 Memory
Serial port, page 1-91
Sample RAM A55/A56 Sample RAM
LAN firmware Opt UFG is incompatible with main
firmware. A firmware update is required.
Firmware
A43 Expanded Memory
The A43 Expanded Memory
assembly’s ROM may not be
programmed. To program, install
firmware update.
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