Sony DVS-7200A Maintenance Manual page 93

6. AND test
This menu tests the alphanumeric display.
(1) After starting the self diagnostics mode in the section 3-3-3, input the menu item number "6" on the
"H/W Tester on CPU-246" menu and press [RETURN].
H/W Test = > 6
The terminal screen changes to the following "AND test" display.
<<< AND test >>>
1. Fill AND MEMORY with W.
Hit any key !
2. Fill AND MEMORY with M.
Hit any key !
3. Fill AND MEMORY with BLANK.
Hit any key !
4. Fill AND MEMORY with FULL.
Hit any key !
5. Lum level = 3
Hit any key !
6. Lum level = 2
Hit any key !
7. Lum level = 1
Hit any key !
8. Lum level = 0
Hit any key !
(2) Selecting a menu item from the "AND test" and executing the test
Press your required button on the terminal. The "AND test" item 1 is performed. Press your required
button on the terminal. The "AND test" item 2 is performed. All contents of the test items appear on
the alphanumeric display.
DVS-7200AE MMP1
3-3. Troubleshooting (BKDS-7015)
3-3-4. Test Procedures
3-25