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Jun 2001
Mainframe
Agilent 6890 Gas Chromatograph Service Manual
Power/Electronics Replacement 430
Replacing the transformer—GC serial number < 10225
Replacing the transformer—GC serial number < 10225
WARNING Before proceeding, turn off the main power switch and unplug the power cord.
Caution Make sure you are properly grounded with an ESD strap before continuing.
When you are facing the back of the instrument, you will see the transformer
on the bottom, left side.
1. Unclip the transformer wiring harness from connector J7 on the main
board.
2. Unclip the transformer wiring harness from connector J1 on the AC
power board.
3. Unclip the connector from P9 on the AC power board and move the wires
out of the way of the transformer.
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