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Repairing the Pump
Exchanging the Low Pressure Pump Main Board (LPM Board)
Table 8 Identifying Connectors on the LPM Board
Figure 21 Removing the Screws at the Back Plane.
4 Remove the connector screws from the GPIB, Remote and the analog
pressure output connector.
5 Remove the board. Place the board on the ESD kit.
Connector Description Connector Description
J1 RS232 J17 Encoder
J2 Remote J19 AIV
J3 Analog Pressure signal J23 Leak sensor
J4 GPIB J24 Damper
J5/6 CAN connector J25 Fan
J9 Power supply J26 Interface board
J16 Motor J30 MCGV
Screws and Nut
Analog output
Remote
GPIB
Board recessBoard recess