Model 5328A
Maintenance
5-54. REMOVAL AND REPLACEMENT INSTRUCTIONS
5-56. Instrument Cover Removal
WARNING
115 OR 230 VAC SUPPLY WIRES ARE EXPOSED WHEN EITHER TOP OR BOTTOM COVER IS REMOVED. USE EXTREME CAUTION DURING TROUBLESHOOTING, ADJUSTMENT, OR REPAIR. AVOID DAMAGE TO INSTRUMENT BY REMOVING POWER BEFORE REMOVING OR REPLACING COVERS, ASSEMBLIES, OR COMPONENTS.
a.Disconnect the power cable from the 5328A (Safety Precaution).
b.Remove rear feet and the top cover from the 5328A.
c.Using a suitable
d.Remove the two machine screws that secure the top of the module front panel to the top of the cast
e.Turn the 5328A on its side and remove the two machine screws that secure the bottom of the module front panel to the bottom of the cast
f.Slightly loosen all remaining machine screws along the top of the cast
g.Remove front panel nuts from A and B channel input connectors.
h.Remove the A19 Switch Board with front panel attached, by gently pushing the assembly from the rear. Note that the A19 board is separate from the A10 Synchronizer Assembly during this operation.
i.Remove the front panel from A19 by removing the MARKER OUTPUT connector nuts and removing the LEVEL A and B control knobs.
j.Remove the A10 Synchronizer Assembly by pulling the assembly upward.
k.Replacement is essentially the reverse of removal.
5-60 Display Assembly Removal and Replacement
a. Disconnect the power cable from the 5328A (Safety Precaution).
b. Remove the top cover from the 5328A.
c. Using a suitable
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