To Troubleshoot Memory Battery Failures - Agilent Technologies 35670A Service Manual

Caution
Agilent 35670A

To troubleshoot memory battery failures

Use this test when battery-backed-up memory is suspected of failing. This test
separates Memory assembly failures from memory battery failures.
• Press the following keys:
[ ]
Preset
[ ]
DO PRESET
[ ]
System Utility
[
CLOCK SETUP
[
DATE MMDDYY
010101
[ ]
ENTER
• Set the power switch to off (
• Press the following keys:
[ ]
System Utility
[
CLOCK SETUP
[
DATE MMDDYY
• If the date is 01-01-01, the battery-backed-up memory is functioning
correctly. Enter the current date. Go to page 4-31, ''To perform self tests,''
to continue troubleshooting.
• If the date is incorrect, remove the Memory assembly.
See ''To remove memory'' on page 6-13.
• Check that the voltage at TP200 is 3.5 1V.
• If the voltage is correct, the Memory assembly is probably faulty.
• If the voltage is incorrect, replace the battery (B200).
There is danger of explosion if battery is incorrectly replaced. Replace the battery
with the same or an equivalent type listed on page 7-12. Discard used batteries
according to the battery manufacturer's instructions.
]
]
), then to on (
O
]
]
Troubleshooting the Analyzer
To troubleshoot memory battery failures
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