Calibrator
Access Procedure
91
Main CPU (A9)
To remove the Main CPU PCA, see Figure 28:
1. Remove the rear-panel assembly. See the Rear-Panel Assemblies section.
2. Remove the 3/16 inch jack screws and washers from the RS-232 connector.
3. Remove four Phillips screws from the right side of the rear panel.
4. Disconnect the two transformer wires from the Main CPU PCA (A9). These
cables are attached by a cable tie that must be cut, and then replaced with a
new one when you assemble the Product.
5. Lift out the Main CPU PCA (A9).
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