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There are currently no product reviews.
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
AV28T25EKS AV28T25EKB AV28T55EKS AV28T25EIS
Measuring instrument
Item Ad justment of HORIZONTAL CENTER
Test point
Ad justment part 4.H-CENT.
Description 13. Receive a c ircle pattern s ignal. 14. Select 4.H-CENT and set the initial s etting value. 15. Adjust H-CENT to make C=D. 16. Press the MENU key and memoriz e the s et value.
C
D
90%
90%
L
Ad justment of HORIZONTAL SIZ E
5.H-SIZ E
17. Receive a circle pattern signal. 18. Select 5.H-SIZE and set the initial setting value. 19. Adjust H-SIZE and make sure that the horizontal sc reen size of the picture size is in the bellow table. 20. Press the MENU key and memoriz e the s et value. * The numeric of the REGULAR and 14:9 ZOOM modes are shown the length of the 90% horizontal siz e position ( L ) as shown in the figure abov e. 21. Input a NTSC VIDEO signal (60Hz) from the EXT terminal, and make sure that the horizontal screen size of the each ASPECT mode is in the below table. 22. Press the MENU key and memoriz e the s et value.
ASPECT MODE H SIZ E
PANORAMIC PAL=95% NTSC=94%
14:9 ZOOM L=495mm
16:9 ZOOM 92% [ SCREEN SIZE ]
16:9 ZOOM SUB TITLE 92%
FULL 92%
REGULAR L=450mm
Ad justment of EW-PIN Straight
6.EW-PIN
23. Select 6.EW-PIN and s et the initial s etting value 24. Adjust EW-PIN and make the 2nd.vertic al lines at the left and right edges of the screen straight. Also make s ure that the 3rd vertical lines are straight. 25. Press the MENU key and memoriz e the s et value.
26
No. 51942
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