Testing The Power Output To The Preset Control Board - Wayne Vista Series Service

B.4.5.

Testing the Power Output to the Preset Control Board

The computer provides the +4.8 to 5.2 VDC which is used to power the preset
control board and the preset display. In order to test this output, perform the
following steps:
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FIGURE B-15. TESTING THE POWER OUTPUT TO THE PRESET CONTROL BOARD
November 1992
Set your meter on the 20 VDC scale.
Insert the common lead of your meter into pin 6 of the Duplex II comput-
ers J6 connector (see Figure B-15). Insert the positive lead of your meter
into pin 1 of the J6 connector.
Your meter should read +4.8 to 5.2 VDC, if not the computer is defective.
Part No. 917543 Rev. A
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