Ram Device Test - Technics SX-KN7000P Service Manual

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Press the EXECUTE button to begin the test.
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The test result (OK or NG) is displayed within twenty 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 the causeof thefailure.
(refer to Fig.22 )

8.2. RAM device test

-
Press the EXECUTE button to begin the test.
-
The test result (OK or NG) is displayed within a few seconds. If the test result is NG,
not only the respective IC, but a break or short circuit in the ADDRESS/DATA BUS
as well as in any of the strobe signal lines may be the causeofthe failure. (refer to
Fig.23 )
8.3. Other device test
Fig.23
Fig.24
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