SONY BKDS-7250
Instrukcja Serwisowa

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