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1.2.2 G4 EX main processor board
The G4 EX main processor board is mounted inside the front end cap, directly
behind the display assembly (see Figure 1–6 ).
User applicable connections on this board consist of the following:
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Figure 1–5 G4 EX enclosure right side
USD card (J3)
Contrast display potentiometer (R1)
LCD display connector (J2)
Lithium battery connector (J5)
Engine card connector (XA1)
Sensor interface connector (J6)
Termination board connector (J1)
The G4 EX transducer assembly utilizes a small electronic
board that contains the factory characterization data. This
allows the main electronics on the sensor assembly to be
individually field replaceable in the event of failures.
Installation and/or maintenance of electric components must
follow guidelines stipulated in the certification drawings
shipped with this unit and adhere to local codes.
2104349 rev. AD
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Troubleshooting
