To Remove And Replace The Hp 1660Ep-Series Pattern Generator Board - HP 1660E Series Service Manual

Replacing Assemblies
To remove and replace the HP 1660EP-series pattern generator board
To remove and replace the HP 1660EP-series pattern generator
board
1
Using previous procedures, remove the following assemblies:
• Handle
• Rear Feet
• Cover
• Rear Panel
• Disk Drive Assembly
• Power Supply
2 Disconnect the CPU board interface cable from the acquisition board by pressing
down on the cable release tabs on the cable socket located on the board.
3 Disconnect the power supply cable.
4 Slide the mounting plate out the rear of the instrument.
Verify that the cable release tabs are down to slide the mounting plate out, then slide the
mounting plate toward the rear out of the chassis.
5 Remove the oscilloscope board.
a. Disconnect the acquisition board-oscilloscope board interface cable from the
oscilloscope board. To do this press down on the cable release tabs on the cable
socket located on the board.
b. Remove the screw at the center of the oscilloscope board that secures the board
to the mounting plate.
c. Slide the board approximatly 0.5 cm and lift the board off the mounting plate.
6 Reverse this procedure to install the pattern generator board.
Ensure that the monitor is properly installed before installing the pattern generator board.
When installing the mounting plate, check that the alignrnent tabs on the mounting plate are
installed in the alignment holes in the inside bottom, front of the chassis.
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