Agilent Technologies 6890 Series Service Manual page 437

Gas chromatograph

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Power/Electronics Replacement

Replacing the main board

Figure 430-5

Holding the main board by the metal bracket at the top left and the

capacitors at the bottom right, slide it slightly to the left and pull it out

of the instrument being careful not to catch the board on any wiring

10. Installation of the new board is the reverse of this procedure.

Changing the board loses the GC serial number.

Screw locations on the main board (6890A/Plus board shown.

6890N is the same.)

Agilent 6890 Gas Chromatograph Service Manual

Troubleshooting

6890a 6890 plus