Question about Sylvania 6419TD 19" TV

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Squeeling tv My tv keeps randomly decide to squeel at me. At first it was a high, but not too loud pitch and more recently it's gotten much, MUCH louder and the pitch is very high. It'd give you a headache within seconds. I've found that a hard whack to the back, just below where the tube casing part sticks out gets it to stop for awhile, as does turning it off for 5-10 minutes. I'm thinking that this is going to have to be replaced or at least taken in for repairs. Please, does anyone know what I can do?

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Posted on Jan 02, 2017

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SOURCE: The tv turns on, but the tape is stuck, will not eject

the rubber band inside for the ejecting mechanism broke. you need to take it apart and reattch with a rubber band.

Posted on Jun 05, 2008

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SOURCE: tv keeps going on and off every few seconds


The power light may be flashing or if you are runing with a series light bulb it may be cycling on and off continuously. There may be a chirping or clicking sound from inside the set. (Note: using too small a series light bulb load during testing for the size of the TV may also result in this condition.)

If there is a low voltage regulator or separate switching supply, it could be cycling on and off if the horizontal output, flyback, or one of its secondary loads were defective.

Does this TV have a separate low voltage regulator and/or switching power supply or is it all part of the flyback circuit? For the following, I assume it is all in one (most common).

Some simple things to try first:

Verify that the main filter capacitor is doing its job. Excessive ripple on the rectified line voltage bus can cause various forms of shutdown behavior. An easy test is to jumper across the capacitor with one of at least equal voltage rating and similar capacitance (make connections with power off!).

Use a Variac, if possible, to bring up the input voltage slowly and see if the TV works at any point without shutting down. If it does, this could be an indication of X-ray protection circuit kicking in, though this will usually latch and keep the set shut off if excessive House Voltage were detected.

Posted on Jun 01, 2010

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SOURCE: My sylvania LC195SLX 19" TV

You will have to open the back of the television to repair the television, and care must be taken by unplugging the power plug of the television.
A common problem for these is bad capacitors in the power supply, Remove the back from your Television and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this help in solving the problem and do take care because it contain high voltages

Posted on Aug 04, 2011

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