Sony DVS-7200A Maintenance Manual page 94

3-3. Troubleshooting (BKDS-7015)
3-3-4. Test Procedures
(3) Checking the test result
Check the followings on each item of the "AND test".
(a) "1. Fill AND MEMORY with W."
Check that all alphanumeric displays are filled with the letter "W".
(b) "2. Fill AND MEMORY with M."
Check that all alphanumeric displays are filled with the letter "M".
(c) "3. Fill AND MEMORY with BLANK."
Check that all alphanumeric displays light off.
(d) "4. Fill AND MEMORY with FULL."
Check that all dots of all alphanumeric displays light up.
(e) "5. Lum level = 3"
Check that it is possible to adjust the brightness level 3 model (the 1st brightness).
(f) "6. Lum level = 2"
Check that it is possible to adjust the brightness level 2 model (the 2nd brightness).
(g) "7. Lum level = 1"
Check that it is possible to adjust the brightness level 1 model (the 2nd darkness).
(h) "8. Lum level = 0"
Check that it is possible to adjust the brightness level 2 model (the 1st darkness).
(4) Ending the "And test"
Press your required terminal button to return to the "H/W Tester on CPU-246" menu.
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DVS-7200AE MMP1