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Re: TV has sound but no picture RCA ColorTrak 2000...
If I had a model # it would be helpful but my guess is the deflection circuit failed and a fuse opened in that circuit. Could be vertical or hoizontal circuit failure but either way you will need test equip. as well as solder/desolder equip. to repair it. If set is over 10-12 years old you may consider replacing set in this case Sorry I can't be more help.
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Based on your post/description, my guess is a loose connection or a cold solder problem (higher probability).
Not unless you want to make another "30 mile trip", you have to find a local tech who is comfortable working with live/hot sets. The usual precaution on working with live/hot units and HV applies. This involves opening the back cover, powering the unit and with a foot long + insulated rod (I use a broken fiberglass fishing rod), poke around the inside of the TV, part/move the wires about, also press on the boards slightly. The idea is locate the loose connection or the cold solder. Soon as located, poweroff and resolder. If there is a component/board failure, the unit would not have operated intermittently. There is a big chance that the loose connection or cold solder just worsened and that cause the recent "chosen not to work".
Further, the power light still turns on and you have not posted any other indications such as a beeping sound or blinking leds/lights which normally indicates failure.
Hope this be of assistance/idea. Post back how things are or should you need additional information.
Good luck and kind regards.
First check whether all the cables from your dishnetwork are fine and connected firmly.If yes then you'll need to pull off the front of the tv, behind the speaker grill there would be a panel. Remove the panel and check for a black box hanging over there. It has 6 controls on it, 3 are marked as focus and 3 as screen. You'll need to adjust the screen. If you turn these too high you can damage a tube. so we are doing real small adjustments. Turn the color off on the tv and adjust the red, blue & green controls up till you get a fine picture. Also adjust the focus until you get a clear picture.
And, if it doesn't resolve your issue then it is an intermittant blue picture tube, a bad blue driver transistor on the CRT board, a bad connection on the blue crt board, or a problem in the RGB coming from the video jungle IC. A set this age, most likely will run you about 300 to 500 bucks to have this problem fixed, unless it is the picture tube.
Please do accept this solution and revert for further assistance.
im srry to tell you that you picture tube blew in you tv this can happen from many things as simple as a defective one .. to a bad power surge in your house ... if it is under warranty they will fix free of charge .. if not you'll have to get a new tv .. a new tv in most cases is cheaper then tryin to just by the tube .. oh and if its not under warranty .. you could always just say it surged and claim it on you home owners insurance =]
sounds like your color guns are out of alignment and need adjusting. its a cheap fix with a tv tech but i wouldnt recommend doing it yourself. plus, a visit from a tech can tell you if there is anything else wrong/about to b wrong
If you are using a cable box try patching the audio from the box to your stereo system. If that does not apply to you, then getting the set fixed or replacement is in order. A colortrack 2000 is like 20+ years old. They don't make them like that anymore., Too bad.