Sony DVS-7000A Maintenance Manual page 85

Digital video switcher; type-3d switcher control panel; type-4d switcher control panel
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(2) Select a memory and perform the test as follows.
(example) Testing "RAM"
Input the item number "0" and press [RETURN].
Select Memory = > 0
The memory test is automatically performed and the test result appeared on the terminal display.
<<< RAM CHECK >>>
1. ADR BUS CHECK . . . .
OK
2. R/W DATA CHECK . . . .
Address =[00A00000 -- 00B00000] * * * * * * * * * * * * * * * * * * OK!
Hit any key !
(3) Checking the test result
"OK" appears on each item of the selected memory test.
(example) "RAM" Test
"OK" appears on each item of "RAM CHECK" display.
(4) Exiting each item of memory test
Press any terminal button to return to the "Memory test" display.
(5) Exiting the "Memory test"
Input "Q" on the "Memory test" display and press [RETURN].
The display returns to the "H/W Tester on CPU-263" menu.
Select Memory = > Q
DVS-7000AE MMP1
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3-3. Troubleshooting
3-3-4. Test Procedures
3-17

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