1970's Mitsubishi 50" FRONT Projection CRT TV
Автор: RGB Rob
Загружено: 2025-06-22
Просмотров: 26922
Описание:
The 1970's was the beginning of the big screen at home. Unlike rear projection tvs from the 90s, these older units project from the from the 'front'. You could almost say a hybrid of a projector/rear projection tv, albeit the underlying CRT technology is the same.
Impressive that this unit worked well enough to film yet failure was premature just as I was about to further improve the picture quality...
NOTE: The screen on this TV is NOT a fresnel lens, it's simply a foil sheet with a fibreglass substrate backing. It is not transparent at all, so it differs quiet a lot from the screen in a rear projection TV.
0:00 Intro
0:56 Tour of controls
4:03 Around the back, labels and connections
5:58 Internals
8:45 Powering for the first time
11:24 Super Mario Bros, NES Pal Composite
12:27 Cross hatch after convergence adjustment
13:21 Super Mario Bros again after convergence adjustment
14:02 Duck Hunt Light Gun Test
15:05 Super Famicom F-Zero, NTSC Composite test with manual V-Hold adjust
15:43 Color Bars - green overshoot
16:49 Malfunction - loss of focus, conclusion
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