Quasar 36" big screen purchased in 1998 needs minor repair.
Picture seems to "vibrate" when volume is turned up loud or when someone walks across the floor. Sometimes then it will reduce to a thin line across the bottom of the screen. This is only once in a while, otherwise works perfectly.
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Re: Quasar 36" big screen purchased in 1998 needs minor...
I would say that you have a loose solder connection in the vertical deflection circuit. Most likely a pin on the output IC
has cracked loose from the circuit board.
A drop of solder in the right place might fix this.
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People are giving away their older TV's as they upgrade to new wide flat-screens nowadays. That makes your TV not worth fixing. Keep checking Craigslist and your local thrift stores for one that's cheap or being given away.
sounds like a vertical problem, usually you'll see one white line across the screen, but one I worked on would come on and the bottom half of the picture was gone and there were lines across the top of the screen.
If you know how to solder & can find the vertical output chip then you could try resoldering the pins. If this doesn't fix it then it needs new parts.
No, your picture tube is fine. This is a problem in the vertical circuit that deflects the beam up and down. This repair is fairly typical across most television brands and should not cost too much to fix. I don't want to quote another shops pricing but from us this would run about $150.00 to fix.
Sounds like a failed vertical amplifier circuit. This is normally primarily contained in an integrated circuit mounted on a heatsink.
There are other possibilities along the line but the one above is the most likely.
Now all you need is a TV repair shop that is still in buisness.
You more than likely have a cold solder joint, and moving the tv caused the hair line joint to crack open just enough to prevent current from flowing. But before you start soldering, give it a good inspection inside for a loose connector and/or wire. If no luck, take a solder gun and lightly hit the largest joints first, which are part of the largest component on the circuit board. It has a thick red wire coming out of it that goes to the tube. (Do NOT touch this red wire or disconnect it from the tube. It can still shock you, EVEN WITH THE TV OFF. This is a very high voltage with low current and probabliy will not kill you, but it will hurt very badly, so just be careful and stay away from the big red wire coming out of the tube.) Then resolder all the larger chips, transistors, and capacitors. If still no luck, then resolder the hundreds of smaller joints.