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Color TV issue

I have a 19" Admiral Colored TV which is probably 15 years old or so - played flawlessly until now.

Just in the past couple days - the screen started jumping. The symptoms are:

  1. Non existent sometimes
  2. Intermittent at times
  3. Really nasty at others.

I've not done "TV" repairs for many years - like very early 90s (regularly) then one here and there over the years - so I'm a bit out of the "TV" loop. I've devoted my bench time and equipment to other fields, I'm a bit out of the loop on TV issues. Personally, I'm thinking the faults are in the priority as shown.

  1. Cold solder joint
  2. A cap/resistor going bad
  3. Semiconductor going flakey

I have to look and see if I have any spray to use to check for "heat"issues. Haven't had much call for it in recent years.

The TV will play fine for a while - then jump like a bad antenna connection. OR it will display a solid while horizontal line with the picture "trying" to lock in - video flitters about above and below the white line. Turn the set off - then back on - it is fine for a second - then back to white line and flittering. "Sometimes" but not always - it "seems" to respond to pounding on the set - but that could be misleading.

I fell asleep "listening" to it last night - woke up this AM - it was playing like nothing wrong. Has been all day - so far.

I don't have the model number available at this second, but can get it - hopefully someone has a schematic.

I'm going to be taking it apart in the next day or two - to take a look at it. Have a couple more important issues pending right now.

Any opinions?

Yeah, I know all about the HDTV issues, I just want to keep this one alive a while longer. Besides, I've seen some TVs bought new (recently) - not lasting a year. I'll use this until it dies. Maybe if this would be kind enough to continue a while longer, get a converter box "supposedly" coming out for the HDTV to Analog - sets There's not a thing wrong with this set when it is displaying the picture normally. FWIW - this set "is" used - heavily. Best sleeping pill I ever had. Aside from watching it through the day - or "listening" to it as doing other work - games and so on, there is the falling asleep to it. So, it gets lots of use.

Thanks in advance for your opinions.

Lou

Reply to
radiosrfun
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I wouldn't rule out any of these as a possibility.

Reply to
Meat Plow

how many times did you use the word 'issues' in that post ?! ;-) in cases like that we'd say 'problems' in England!

start by resoldering: the vertical /frame chip, line out transformer area, the tuner pins, large resistors etc . your problem is quite common with a set that age and hours' use. should be fixable (assuming you can solder and are aware of the dangers of this work) so don't give up! good luck.

-B

Reply to
b

Issues - problems = same thing.

Solder? If you had read my post - you would have seen I said I "used" to do TV repairs - but do other fields of Electronics work - now. Yeah, I think I can solder! :) At least I don't use "plumbers" solder like I've seen come across my bench in some sets I service!

Thanks for the assist.

Reply to
radiosrfun

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