The Optoma UHD65 was once a gold standard for budget 4K home theater, but by 2026, its repair viability is clouded by supply chain realities and a market flooded with superior laser alternatives.

My father has this amazing 53" Hitachi rear projector, but he watched TV on 4:3 mode with black vertical bars for too long. Now it has two very noticeable vertical lines on each side.<BR><BR>Is there ...