This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
Quick site processing. A complete and very useful manual with all details. Thank you!
Text excerpt from page 95 (click to view)
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3-3. Troubleshooting 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-263� menu.