Technics SX-KN7000EB, Service Manual, Page: 30 / 160

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Press the EXECUTE button to begin the test.
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The test result (OK or NG) is displayed with in a few seconds. If the test result is
NG, not only the respective IC, but also a break or short circuit in the ADDRESS/
DATA BUS as well as in any of the strobe signal lines may be thecause of thefailure.
(refer to
Fig.24 )
8.4. Floppy Disk SAVE/LOAD test
Fig.25
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Insert a formatted floppy disk into the Disk Drive. Press the START button to begin
the test.
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The test is carried out repeatedly. Data is saved and loaded, and then the two data
sets are compared. The number of times that the test results in OK or NG are
counted and displayed on the LCD. To interrupt the test, press the STOP
button.(referto
Fig.25 )
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Even when the Floppy Disk Drive is functioning properly, the test can result in NG.
If this happens frequently, clean the magnetic heads of the Floppy Disk Drive with a
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