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Very helpful and complete manual. Maybe only one negative is schematics have sometimes unreadable name of the parts. But it's not a big problem.
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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
28JF-73E
Corner Amplitude Adjust the Corner Amplitude so that the picture is centred. The effect of this adjustment is shown in figure 6. Note: This adjustment affects to upper and lower sides. � When the volume up button is pressed, side pincushion changes from pincushion to barrel shape. � When the volume down button is pressed, side pincushion changes from barrel shape to pincushion. � Press the stand-by button on the remote control to store. Corner Symmetry Adjust the Corner Symmetry so that the picture is centred. The effect of this adjustment is shown in figure 7. Note: This adjustment affects to upper and lower sides. � When the volume up button is pressed, side pincushion changes from barrel shape to pincushion. � When the volume down button is pressed, side pincushion changes from pincushion to barrel shape. � Press the stand-by button on the remote control to store. Vertical Linearity Adjust the Vertical Linearity so that the upper and lower parts of the picture are symmetrical. The effect of this adjustment is shown in figure 8. � When the volume up button is pressed, the upper picture scanning decreases and the lower picture scanning increases. � When the volume down button is pressed, the upper picture scanning increases and the lower picture scanning decreases. � Press the stand-by button on the remote control to store. Vertical Angle Adjust the Vertical Angle so that the picture is centred. The effect of this adjustment is shown in figure 9. � When the volume up button is pressed, the vertical angle changes to right. � When the volume down button is pressed, the vertical angle changes to left. � Press the stand-by button on the remote control to store. Vertical Bow Adjust the Vertical Bow so that the picture is centred. The effect of this adjustment is shown in figure 10. � When the volume up button is pressed, the vertical bow changes to right. � When the volume down button is pressed, the vertical bow changes to left. � Press the stand-by button on the remote control to store. Vertical Amplitude Adjust the Vertical Amplitude so that 8% over-scan is achieved. The effect of this adjustment is shown in figure 11. � When the volume up button is pressed, the vertical size of the picture increases. � When the volume down button is pressed, the vertical size of the picture decreases. � Press the stand-by button on the remote control to store. Figure 9 Figure 6
Figure 7
Figure 8
Figure 10
Figure 11
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