5c-8
Service Error Messages
626
Volatile RAM read/write failure
Description
The controller detected a failure when comparing data that was written to,
and then read from volatile RAM.
Cause
This is a hardware failure between points on the A3 board.
What To Do
The A3 board failure should be verified and the board replaced.
627
Battery RAM failure: memory lost
Description
The battery-backed RAM lost data.
Cause
Either the RAM has failed, the battery is bad, or the
DEL
key was held
down at power up.
What To Do
Check the battery voltage and replace it if it is incorrect.
628
Non-volatile RAM read/write failure
Description
The controller detected a failure when comparing data that was written to,
and then from non-volatile RAM.
Cause
This is a hardware failure between points on the A3 board.
What To Do
The A3 board failure should be verified and the board replaced.
629
dsp board failure:
Description
The dsp board self test has failed.
Cause
Either the dsp board (attached to the display) or the A3 controller has
failed.
What To Do
Check the dsp board first for problems. If the dsp board is normal, check
the A3 controller.
Содержание 3847A
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Страница 18: ...1 6 Operation Quick Overview ...
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Страница 48: ...1a 30 Operation Examples Signaling a Numeric Type FLEX Pager Option 1EP Only ...
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Страница 163: ...2 2 GPIB Programming ...
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Страница 168: ...3 5 Installation Connecting AC Power Figure 3 2 Power Cable and Mains Plug ...
Страница 173: ...3 10 Installation Shipping the Signal Generator ...
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Страница 188: ...4 2 Specifications ...
Страница 198: ...5 10 Service Safety Notes ...
Страница 200: ...5a 2 Theory of Operation Figure 5a 1 8648A Simplified Block Diagram ...
Страница 201: ...5a 3 Theory of Operation Figure 5a 2 8648B C D Simplified Block Diagram ...
Страница 218: ...5a 20 Theory of Operation A30 Pager Encoder 8648A Option 1EP ...
Страница 220: ...5b 2 Troubleshooting Information Troubleshooting Checklist Troubleshooting Checklist ...
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Страница 252: ...6 12 Replaceable Parts 8648B C D Replaceable Parts Figure 6 3 8648B C D Replaceable Parts A11 A12 a13 A14 Detailed View ...
Страница 318: ...7 62 Adjustments Agilent Service Support Software ...
Страница 327: ...8 9 Performance Tests FM Accuracy Performance Test Test Record 8648B Table 8 23 8648C Table 8 48 8648D Table 8 73 ...
Страница 413: ...8 95 Performance Tests 8648B Test Record ...
Страница 466: ...8 148 Performance Tests 8648D Test Record ...