HP 34970A / Option 001
Internal DMM Assembly
Installation Instructions for 34970-80010 Retrofit Kit
1 Disconnect the power cord.
2 Remove the outer cover from the
To remove the cover from the instrument, follow the procedures shown
in chapter 6 of the HP 34970A Service Guide.
3 Connect the internal DMM ribbon cable to the main circuit board.
Connect the loose end of the grey ribbon cable to connector
HP 34970A main circuit board (34970-66501). Press down firmly on the
ribbon cable connector and secure the cable in place with the locking clips.
HP 34970A.
J202 on the
Snap the Locking Clips over
the top of the connector to
secure the Ribbon Cable
Ribbon Cable
1
4 Install the internal DMM circuit board into the chassis.
Position the internal
DMM circuit board inside the instrument chassis
by tilting it at an angle as shown below. Be sure to position the circuit
board over the tabs in the chassis as shown. Then, lower the assembly
into the chassis until it is parallel with the HP 34970A circuit board.
5 Lock the internal DMM circuit board in place.
Slide the internal
DMM circuit board to the left (toward the rear of the
instrument) until it locks in place. You will hear a click when it is
properly locked in place.
Make sure that shield is locked
in place behind this tab
2
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