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VHS video noise

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Hello,
Being for the hunt of the perfect capturing VHS tape recorder I recently purchased a Panasonic NV-HS860. Visually it is as new. I opened the case and there was no trace of dust at all anywhere! I have no doubt it is of very little use. Now I started the comparison tests. I compared the playback to a Samsung multimedia monitor Composite and S-Video inputs involving the HS 860 and my trusty reference VHS LG LV-880 HiFi decks. I compared different tapes but my most attention was at a test tape with Colour bars and test patterns. This showed up that my new Panasonic has evidently more noise, but slightly more details. Then I performed a capture test using the same tape with test patterns involving HS860, LG LV880 and Canopus ADVC55. The results were exactly the same.
The same story I had a year ago when I purchased a Blaupunkt RTW-950. But this machine being a clone of Panasonic NV-FS200 is known for it's unpredictable performance due to bad capacitors. HS860 is nearly 10 years newer and does not have this problem. So I am again in a situation where I have my second S-VHS machine outperformed by my VHS LG. And strangely enough in all tests the Composite Output had less noise than the S-Video Out, either on playback on monitor or capture to avi.
To my mind video noise may called by different causes and do have different looks. So I have attached 2 avi files from my capture test. Maybe someone of you folks can tell what can cause the kind of noise seen in the HS-860 capture. The settings for this capture was: TBC- On, 3D DNR- Off. With 3D DNR On the noise amount was about the same on both machines, but with different looks.
Maybe someone has the service manual for HS-860 or can tell how to search for the Head spin hour counter?
Attached Files

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