JonMarq
Joined: 10 Jan 2008
Posts: 1
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| Posted: Tue Jan 15, 2008 12:01 am Post subject: Vertical Deflection Module Modifications |
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I've got a Marquee 8000 April 1995 that I purchased used. It had the anamorphic mod already. For the most part it has worked fine up to 1080i. After buying the HD-Fury I am now able to feed it 1080p. I am experiencing the following symptoms from this tech bulletin: http://www.curtpalme.com/docs/ElectrohomeMarqueeTechnicalBulletin_Tb95-07.pdf
1) When VSIZE is increased a horizontal line begins to appear at the bottom of the
image roughly up to 1/4 of the image height from the bottom. The image becomes
increasingly “noisy” as well. This symptom will disappear if the VSIZE or HSIZE is
reduced.
3) The entire image may appear to rapidly shake or bounce up and down (by about
1/4 inch on a 6 foot diagonal image). This symptom is observed on very high scan rate
sources only (greater than 70kHz). This symptom will also disappear if HSIZE is
reduced.
I would like to make the changes suggested but my VDM is 50-2023-03p and I am unsure if I can rely on the location ref: in this bulletin. Does anyone know or have experience with this?
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