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How can I get my tv fix? It gives rainbow colors instead of a clear color picture.

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  • Televison & ... Master
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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site. The search result will display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.
Check the CRT base connector socket at the CRT base card too, for damage. Will be best to replace it before any repair work.

Posted on Dec 10, 2016

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: rainbow screen, no color, tv fell over

ur tv needs to be degaused using a degausing wand or ring. mos def needs to be taken to a professional to be done.

Posted on Aug 04, 2010

hardrocko
  • 1476 Answers

SOURCE: Color rainbow in picture

Your problem sounds like someone got a magnet too close to the CRT. This can be removed with a degauss coil (which you probably do not have) or it will eventually go away if your built in degauss circuit is working. Everytime you turn on the set the circuit degausses the crt so colors can be displayed properly. If the circuit is not working you will need to have a tech repair it.

Posted on Jun 23, 2006

MicrowaveSvc
  • 9047 Answers

SOURCE: Color fades in and out of picture

The first thing I would check is the antenna or cable connection into the set. When an analog TV signal is weak, the first thing to go is the color, then the picture, then the sound. If you have another TV, connect it to the very same cable or antenna connection and see if it fails the same way, too. Make sure you just disconnect the cable end right where it goes into the failing TV and connect it to the other TV - don't disconnect the antenna cable from the wall for this check. If the second set does not fail, gently pull on the antenna wire - not too hard, you just want to put a little tension on it to see if it makes the color cut out. Reconnect the first one and try again. If it's fine now, the connection was loose. If not, it has a tuner problem that must be repaired. Also, when you look at the end of a TV connector, the center wire should stick out just a little bit, like in the attached photo. If it doesn't stick out as bit, it won't make good contact, and will result in a weak signal. I appreciate your rating if you find this helpful.

Posted on Nov 13, 2006

  • 556 Answers

SOURCE: Green and purple tv picture.

this is degaussing problem

keep tv off for half an hour and if you have changed the direction keep it as it was.

if any magnetic thing is there near to tv remove it like speaker or headphone etc.

hope this will help.

Posted on Oct 15, 2007

  • 1 Answer

SOURCE: Rainbow of colors on screen

I just had a rainbow of colors on my tv screen...i thought it was a problem with my TV...however the screen went the "sign off" screen (verticle lines-red/blue/green) Then all of a sudden the picture came back and all was back to normal again.

So I say it's nto your TV it is a station problem!

Posted on Aug 04, 2009

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Why does picture have lines of different colors?


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Dec 11, 2015 | Sharp Televison & Video

2 Answers

Rainbow screen aiwa tv,, screen shows different colors like rainbow// brushing a magnet infront of the screen fixes the issue temporary


Picture tube is magnetized. Manual degausing is required. already you have done this.

Since you say it is reappearing, you have to check the following.

1. Relocate the TV or relocate if you have placed any tower speakers
or home theater speakers close-by.

2. Check whether auto degauss functioning OK. In the MENU
check whether you switched off auto degauss option. If it is OFF
enable it to ON.

3. Finally re orient the direction of your TV and watch the rainbow
effect. Switch OFF TV, wait for 20 mts, and again switch ON.
Repeat the process. It should disappear.

Magnetic toys or any other devises using magnet will cause this problem.


Aug 11, 2010 | Aiwa TV-S2011 20"

1 Answer

Rainbow of colors on screen


I just had a rainbow of colors on my tv screen...i thought it was a problem with my TV...however the screen went the "sign off" screen (verticle lines-red/blue/green) Then all of a sudden the picture came back and all was back to normal again.

So I say it's nto your TV it is a station problem!

Aug 04, 2009 | Panasonic Televison & Video

3 Answers

I have samsung 21 green screen


Either something wrong with the picture tube or something with scart input if you use one. / / David

Jul 29, 2009 | Samsung TXN3271HF 32" TV

1 Answer

3d rainbow pictures..with colorful waves..and no convergence menu to fix it.


Replace FL231, DL231 and CL230 you can get the parts and istructions at the following link listed under RCA Parts
http://servicemanuals.vstore.ca/

May 31, 2009 | RCA HD61W66 61" Projection HDTV

1 Answer

3d rainbow pictures..with colorful waves..and no convergence menu to fix it.


You will need to replace the FL231, DL231 and CL230 you can get the parts with free instructions with pictures at the following link. The parts are all listed under the RCA parts category total cost is about 11.00 http://servicemanuals.vstore.ca/

May 14, 2009 | RCA HD61W66 61" Projection HDTV

1 Answer

TV Colors gone like a rainbow


It's dignostic coil problem replace it
or moving maganent on screen when colors have gone

Mar 15, 2009 | Sanyo Televison & Video

1 Answer

Sony Trinitron Color Rainbow


Usually when a tv is dropped the phospher screen inside the picture tube will detatch making the rainbow color This cannot be fixed as it requires changing the picture tube. Only other thing is demagnatize it with a demagnitizing coil (used by tv techs) but not likely to fix it since it was dropped. You have a bad picture tube.

Dec 30, 2007 | Sony KV-32FS13 TV

1 Answer

RCA 25: television


Sounds to me like a bad picture tube with circle rainbow like colors.Good luck.

Sep 03, 2006 | RCA F25423 25" TV

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