Icom ic r8500 modifications8/11/2023 ![]() There are two components that usually cause these symptoms in a CRT-based monitor. The most common issues for a CRT based display with vertical deflection problems will show any of these symproms:ġ.) A short picture that won't evenly fill the screen from top to bottom.Ģ.) A picture that seems compressed or "folded over" at the top.ģ.) A picture in which some items are stretched or off the screen. The CRT chassis is not too difficult to remove. The image lacked vertical linearity and was stretched and folded over at the top. The radio was usable but the display looked crappy, for lack of a beter term. The display unit's problems became evident after the repair to the video generator (CRTC board). In this case the CRT had been replaced, but the display had vertical deflection problems and also had not been aligned after the CRT was replaced. ![]() The Icom IC-R9000 has a CRT display that can give trouble. Icom IC-R9000 CRT Display Repairs Icom IC-R9000 "bad video" CRT Display Repairs
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