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i had the same problem just take it to an expert

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12y ago

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Why does your tcl tv has no picture and has no sound but the on and off indicator flashes?

It sounds like you have a power supply problem. The capacitors on the switched mode power supply have changed value or failed completely. Replace or repair the power supply section.


How do you remove the power supply board in a Hitachi 60ux58b TV?

In order to remove the power supply board in a Hitachi 60UX58B, first unplug the TV. Then, unscrew the rear panel. Disconnect all parts that are connected to the power supply board. Remove the screws that are holding the power supply board to the chassis. Lift the power board off the chassis.


What is the repair cost for a 42 inch Plasma television?

It depends on what problems you are having with the television. Service calls to diagnose the problem generally run around $100. A dead power supply could run $470!


Why does my LCD TV have no power all of a sudden?

Could Be a fuse on the Circuit Board or The Power Supply Capacitors are bad.


Can i connect the TV to laptop for electricity?

NO, a laptop power supply is designed with a known value of intended power consumption expected. if you connect a small portable television to the DC supply, it will overload the supply and destroy it. there is very little wiggle room in supply performance . a supply is built to supply the laptop with a specific current while allowing enough to charge the battery. I don't advise connecting it but if you do, you want to make sure the battery is charged or removed. and the television draws less than 1 amp of current. but like I said, not a good idea. power supplies are cheap, get one for the television.


Can you use a UPS to provide power to an HD TV when we have problems with electricity?

In most cases, yes. You need to look at the specs for the TV's power consumption (on a label or moulded into the TV near the power plug) which will be given in watts (w) or amperes (a). Then your power supply will have to be able to supply that many watts or amperes. The UPS specs should tell you how long the supply will run the TV without power - probably something like 15 minutes, which is fine if your supply goes on and off for brief periods. For extended power interruptions, you will need a UPS with a bigger battery, which drives up the cost, size and weight of the UPS.


What size generator is needed to power à flat screen TV?

It depends on the size of television but 200 Watts is enough for all but the largest models. As with all electronic systems, it's worth making sure the generator has a stabilized output to avoid possible damage to the television's power supply from a dirty power supply.


No picture or sound on westinghouse lcd tv heard loud pop then no picture or sound?

happened to me, mine was the power supply shorting against the chassis. somehow it seems that the power supply board shifted when moving the tv. It is easy to remove but finding a cheap replacement can be difficult.


What do you do if your tv wont turn on?

It sounds like you have a power supply problem. The noise is typical of a modern power supply unit that has failed or has an overload on one of its outputs. If you can get hold of one, they are normally easy to replace but it's important to make sure it is the PSU itself that is fault rather than something else that is causing it. It is also possible that it is something entirely unrelated to the power supply. Also, switch mode power supplies can generate lethal voltages internally and on their outputs as well. If you are not trained in service and repair work,leave well alone and get a professional to diagnose and repair the television. The fact that this question is asked indicates that you are not a professional electronic service engineer and therefore should not try to fix the fault yourself.


What transmission?

A: It could mean two thing transmission as in broadcast radio TV and so forth or power transmission lines to supply real power to USA states


A circute diagram of sansui colour tv using str 5q1265rf in power supply?

A circuit diagram of str 5q1265rf


Will a TV quit working when the power goes out?

Not always. Most of the time it will come back on when the power does. How ever their are times when you lose power for awhile it will not come back on. The main reason is capacitors in the power supply have become dried out.