HP 8753E Service Manual page 530

Front Panel Keyboard and Interface Assemblies
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small slot screwdriver
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ESD (electrostatic discharge) grounding wrist strap
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Removal
1. Remove the front panel assembly from the analyzer (refer to "Front Panel
Assembly" in this chapter).
2. all cables from the front panel interface board (items 1, 2, 3, 4, 6,
and 7).
Disconnect item 4 by pulling up on the comers of the connector base.
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This will release the cable for easy removal. Damage may occxr to
3. Remove the four screws (item 5), attaching the interface board (A2).
4. Remove the nine screws from the Al front panel board to access and remove
the rubber keypad.
Replacement
1. Reverse the order of the removal procedure.
Caution Damage may result if the following step is not followed.
2. To reconnect item 7, ensure that the ribbon cable is placed squarely into both
of its cable clamps
Assembly Replacement and Post-Repair Procedures