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I needed a service manual as the display on my oscilloscope was very dim. I thought I'd give owner-manuals.com a try, as they advertised a huge number of manuals. Sure enough they had one listed. I bought it hoping it would be useful... actually, I bought it hoping it would be readable! I've had manuals from online sources in the past, and been very disappointed. Not this time! An excellent manual, complete, and very readable. Using it I fixed my 'scope, and as such the manual was an investment that paid off manyfold. Do I have any complaints? One very minor one - The circuit diagrams could have been scanned at a higher resolution, as some of the details were a little difficult to make out - not impossible, just not as easy as my old eyes would like! Overall, I'm very satisfied with my manual, and I will certainly be using this company again. Well done.
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I Have looked for this manual for quiet a while now, I have finally found it here. I believe this is the only place they have them in a very nice scan, pages are very clear to read, some of the pages are a bit tilted but overall it is great to have this manual available for purchase. Thanks
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This is quiet a rare manual, I Have looked for this manual for quiet a while now, I have finally found it here. I believe this is the only place they have them in a very nice scan, Excellent guide: very clear, enabling us to print readable diagram overall it is great to have this manual available for purchase. This is a complete service manual no pages are missing. Thanks
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This SM is quiet scarce and hard to find it is an excellent Service manual, very clear to read and to print schematics and diagrams, Hi quality, Complete manual with no pages missing. I am very pleased with the manual and the fast service I have received. Great place to shop.
Good luck finding you manual...
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Quick delivery, the document was usefull, although the copy was i little bit unclear in the details.
RM-V2550U
* View the moving images. If a screen is darker than the others due to excessive ABL, increase the contrast and decrease the R, G, B High Light so that ABL is suppressed. (e) White peak images (FRAME NO.08272) Readjust the Linear White adjustment, if the whiteness on the white peak screen differed on each screen.
6.6.5 Adjust the focus VR
In some cases, the left side of the screen may become greenish. This can be corrected by adjusting the B focus of the focus VR slightly deviated from the just focus position.
7 Confirm the moving images
View the moving images. If W/B is incorrect, set to rough adjustment. If the luminance of the multi-screen is dark or inconsistent, set the ABL switch.
R.G B
7 Precautions 7 Avoid adjusting with images with high tube radiation (FRAME NO. 13590)
If only one spot is bright in a very dark image, the screen will look bright due to the spot. Adjusting Method Adjust the B focus VR so that B is at the just focus position on the screen. While observing the left side of the screen, rotate the B focus VR in the clockwise direction (about 10 degree), and adjust so that B is 1.2 to 1.5 times the other colors from the just focus point. After adjusting, adjust the convergence and white balance again.
7 Precautions on screen hue
If the hue of the screens is green or yellow, images will not be displayed clearly. The white parts of bright images especially will appear yellow. These images can be made clear by adjusting so that they appear slightly bluish. However, if made bluish excessively, brightness may appear insufficient due to the CRT characteristics.
7 Color Adjustment (White Balance)
(a)Effects of brightness � Take note of dark images which have some high luminance parts. � The reflected light overlap with surrounding dark parts at the face of the CRT and surface of projection lens, and luminance and hue become different from the adjoining screen. (b)Differences caused by visual points � Although the joined parts of multiple screens are improved by peripheral light amount correction, the image may not be natural at some points. (Adjustment of vertical direction using the installation table) � Due to the layout of the red, green, and blue CRTs, when the screens are viewed diagonally, they may appear reddish or bluish (Color shift). � For multiple screens, as the angles of the left and right screens are different to a viewer, they may appear to have different colors. Before adjustments, check the user's visual point, and adjust at that point.
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