Fluke 8842a instruction manual Disassembly Procedure, Example A/D Calibration Program

Maintenance 6

DISASSEMBLY PROCEDURE

f6-05.wmf

Figure 6-5. Example A/D Calibration Program

6-27. DISASSEMBLY PROCEDURE

WARNING

TO AVOID ELECTRIC SHOCK, REMOVE THE POWER CORD

AND TEST LEADS BEFORE DISASSEMBLING THE

INSTRUMENT. OPENING COVERS MAY EXPOSE LIVE PARTS.

CAUTION

To avoid contaminating the printed circuit assemblies (PCAs), handle the PCAs by their edges. Do not handle the areas of the PCAs that are not solder masked unless absolutely necessary. These areas must be cleaned if contaminated.

The following paragraphs present a disassembly procedure for the 8842A. The procedure should be performed in the order presented. Remove the case first, and then remove Option -09, the True RMS AC PCA, Option -05, the IEEE-488 Interface PCA, the Main PCA, and the front panel. For reference, see the final assembly drawing in Section 7.

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