Power-Up Self-Testmiagnostic Mode - HP 5334B Service Manual

4-1 6. POWER-UP SELF-TEST/DlAGNOSTlC MODE
Description: During the power-up sequence, the H P 5334B performs a fairly thorough check of major com-
ponents.
Procedure:
1. Set the H P 5334B as follows:
POWER .................................................................................................................ON
Observe: STANDBY LED goes out.
2. All front panel LEDs light momentarily (except STANDBY LED which does not light and ARM and
GATE annunciators which flash alternately).
3 . The instrument's model number, "HP 5334b", is displayed.
4 . The instrument's HP-IB address is displayed. (Address "03" is set at the factory but can be set by the user to
addresses "00" to "30").
5. If the instrument successfully executes the power-up self-test routine, the front panel displays "PASS" and
then defaults to preset conditions.
Front Panel Preset Conditions:
9 Digit Display
.......................................................................................................
all dashes
......................................................................................................
Hz annunciator ON
PRESET annunciator
...........................................................................................
ON
FREQ A
................................................................................................................
ON
.........................................................................................................
AUTO TRIG ON
..................................................
Channel A and B TRIGGER LEVEL LEDs
Flash Alternately
.............................................................................................
All Other Indicators
OFF
Test Record: Mark Pass or Fail on the Operational Verification Test Record Card, line 1.
What Checked:
1. The three microcomputers perform a ROM and RAM check.
2.
The alternately flashing ARM and GATE annunciators indicate that the Measurement microcomputer pas-
ses the ROM/RAM test.
3. The Executive microcomputer runs the front panel display check.
4.
The Executive and Measurement microcomputers perform a limited InputIOutput port check.
5. The Measurement microcomputer checks for the presence of a time base oscillator.
6. A test of the ~ ~ l t i ~ l e - ~ e ~ i s t e r Counter (MRC) is made to check for basic operation.
H P 5334B
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Service Manual
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