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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

crt tv

  1. C

    Repurposing CRT TV controls

    Hi, I've gotten ahold of a 90s Magnavox RD0946 CRT TV that I am using to show a series of video animations for an art project. I have connected the tv to a raspberry Pi via composite so the videos are playing nicely, now the big idea would be to be able to use the remote (and eventually the...
  2. C

    1994 Panasonic CT 27SF31S - Image suddenly shrunk to about a third of the TV screen's height

    Hello, I'm brand new here, so please let me know if I'm posting incorrectly or in the wrong section. I need help diagnosing a sudden picture issue with my 1994 Panasonic CT 27SF31S. I've used it almost everyday for watching TV, watching videos, and gaming since I bought it, and I've never had...
    • CT27SF31S
    • Thread
    • crt crt tv ct27sf31s image panasonic repair vertical collapse vertical shrinking
    • Replies: 6
    • Forum: Repairing Electronics
  3. int main(){return 0;}

    Corona discharge in Sony Trinitron CRT TV

    I recently got a free Sony Trinitron KV-27TS20 CRT TV (assembled in San Diego in April 1990). I opened it and didn't see anything obviously broken. The "serviceman label" insides says that the anode potential is 28 kV. It works when powered on, but there's a corona discharge from a part that's...
  4. Tanmay_Karmakar

    Discolored corners in crt tv: What is the reason? How to solve?

    Though I have no idea about this type of color rendering problem, I have checked the rgb panel and it as well as every components in it seems to be working fine. I need a solution to repair, kindly help me out.
  5. RODALCO

    RPTV CRT tube conversion to oscilloscope

    Hi Electrotech friends , To be honest I have two oscilloscopes at home anyway, but this is more of a challenge I am currently pondering about. I have watched various YouTube video's of CRT TV's converted into simple oscilloscopes, or just music display devices, more like a bit of fun, and not...
  6. RODALCO

    Magnetic Fields on a CRT

    Was playing around with some old CRT's over the weekend, and trying to convert one as a simple oscilloscope. Well I got a bit side tracked as I had one TV smoking when I disconnected the horizontal coils. So ended up repairing the TV, one bulged capacitor and two resistors fried, which were in...

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