1 Performance Tests
30 Keysight 53210A/53220A/53230A Assembly Level Service Guide
5 Mark Pass or Fail in the Keysight 53210A/53220A/53230A Power-ON Test
Record, Test 1, at the end of this chapter.
If a fail message is displayed at power-on, refer to “Troubleshooting the
Counter” on page 160 of this service guide.
The power-on hardware initialization activities check the following circuits for
operation:
– Front panel display driver
–Power manager
– Battery (if installed)
–GPIB
– Measurement board hardware
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