I have a problem wth my Samsung TXG-2547 25" TV.
The TV was working, then, without warning - nothing! Poof! No noises, smells, anything.
The on/off switch - sound like it anyway - clicks when the set is plugged in, but nothing else happens.
I believe I got the correct fuse - I changed it, but that didn't fix the problem. The same noise persists, and still nothing - no picture, sound, etc.
What could be wrong?
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The horizontal circuit is dead, if you'r skilled in electronics you have to fist (with a good multimeeter) check the voltage to the horizontal circuit, if the volage is good than you can check the horizontal driver outputs, if it's a deeper problem, than you need the circuit diagram from Samsung and a good oscilloscope to follow the route of the horizontal circuitry from the power supply passing trough the prossessors, the mixers, the drivers, all the way up to the tube... it could be the yoke windings as well (short circuited or open circuited) if you did not understand a word I wrote, than tike it to a good repare shop...
(ALWAYS BE CAREFUL WHEN FOOLING WITH AN OPENED TV IT HAS A RANGE OF 5 VOLTS TO 10,000 VOLTS) so a risk of electrical shock is probable if you don't know what you'r doing
An other warning is to be verry delicate when moving an opened CRT TV, the TUBE is vaccumed and it could implode in your face if knoked at the write place (your face will look like a glass porcupine)
I have over 10 years experience in electronic tech support.
know this isn't what you want to hear, but the problem you've described
can't be fixed with troubleshooting. Your TV will have to be repaired.
There is a part that has developed a defect and needs to be replaced.
The question will be, is the part still available? Before paying a TV
repair person $75+ to diagnose the problem, ask yourself if you're
willing to pay $150 minimum to fix this particular set. Also keep in
mind that most TVs that old have a very limited number of replacement
parts still available. Normally it will cost at least $75 to have the
set looked at by a repair shop (diagnostics). If the part needed to
complete the repair isn't available, you won't get that money back.
I hope I've provided you useful assistance and that this information
allows you to make an informed decision as to how to proceed from here.
Please let me know if I can be of further assistance.
Your PC isn't working, the "CMOS Checksum Error" is a BIOS error. It has nothing to do with the monitor. You have to let the PC load the default settings and try to boot up, if the defaults doesn't work, you have to reconfigure the options in the SETUP program. To enter Setup press "Del" or "F2" in the POST screen.
The color wheel is the most common problem in DLPs that cause noise.
To determine the cause:
Turn the set off.
If the noise goes away after about five seconds, then, the problem is the color wheel.
If the noise goes away one to two minutes after shut off, then, the problem is a fan.
You can find an Authorized Servicer in your area that can tell you the price of repair, by clicking on the Samsung link: