Question about Hitachi 46W500 46 in. TV/DVD Combo

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Power down malfunction

TV is going into magic focus on power down. After the magic focus finishes, it come back o without any sound and then if I try to ower down again, it brings the sound on.

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Re: Power down malfunction

Before doing anything try upgrading the software first and see if that cures the problem. Call 1-800-HITACHI to get the latest version sent to you and then just follow the instructions. There is a port on the back of that unit where you will insert the MMC or SD card they send you and the update commands are available in the customer menu...
Good Luck!

Posted on Nov 19, 2007

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Need codes for one for all remote , on a Panasonic PV-8661 vcr

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1 Answer

No sound output need sound unit

Lets focus on the external portion of the TV set first (95 percent of all TV problems are related to things EXTERNAL To the tv itself) Check the physical CONNECTION of all cables by removing each wire bare or RCA and reinstalling it (Each power cable as well), once you have removed one cable, check it for fraying, and if it is already bare, splice a new fresh connection for it. 5. Check to make sure there are NO OTHER uneeded radios, system nearby. these systems, when powered on, will cause electromagnetic interference and prevent more than just severe tv interference SURGE PROTECTOR Surge protectors account for more than 75 percent of electric faults to stereo equipment. Lets start with your AC Wall outlet. It is standard in america that 220 Volts from out of these outlets. This implies that each device will be using 220 Volts (From within that grid zone). If anything including an alarm clock is plugged into any AC outlet socket in the vicinity of the stereo equipment/TV, it will cause electric outage, and prevent electronics from even turning on! Your TV needs dedicated electric power. If your TV is located in the living room then unplug everything else in the living room. Lets plug the TV set into a Dedicated socket. Check all light switches to ensure that power is on for that outlet. Check the TV cable for Fraying both on the ac wall end and where it plugs into the TV. Check all GFCI outlets to ensure that all red reset buttons are pushed in, check the circuit breakers for proper connection and they are turned on. Now, lets try the TV set without it connected to any cable services, vcr, dvd, stereo system, etc.

Jan 14, 2011 | Mintek DTV-233 23 in. TV/DVD Combo

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Ur tv have a problems known as a convergence problems,it dead.The tv convergence board require changing 2 STK convergence ICS and some or all it resistors to solved the tv convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 10, 2010 | Hitachi 46W500 46 in. TV/DVD Combo

1 Answer

LG LCD Tv has sound but no picture only colour vertical lines. Can be fixed?

If your screen has a picture in the left corner with a small square with lines on it but still has sound...try this....

unplug your TV itself from the power source, then hold down the power button on the tv itself for 1 minute, then release.... Plug the tv back in and see if the issue is resolved. I just called LG customer support and a woman walked me through this process and it fixed the issue !!!! Hope this helps..

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Philips set top box malfunction due to power cut

sounds like a capacitor in the unit might be faulty. not reaching full charge, any other items get spiked in the blackout? insurance might be the way to go. i had a set top box that fried all the capacitors, i replaced the , cost about $10Au and some time soldering. unit works better now that before,

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i'm no expert by any means; but I wonder if it could be as simple as the reflective screening on the inside comming loose. I have a 65" and I took it apart to clean it. The reflective screening looked to me like it could be a weak point. Just a thought.

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1 Answer

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Go to the panel (on the tv set), hit magic focus on there....then hold power button for several seconds long. It should go off and fix your problem.

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2 Answers

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Sounds like a thermal breakdown of a componet. it could be in the main power supply regulaor supply or even a bad capacitor in the power or sweep supply. In some cases Zener diodes can break down and change values after warm up. In some cases also bad solder connections in the highvoltage section, or the power supply can cause this problem. It is a hard call without being able to look at the set. Just a few leads on where to go first. most likly a combo unit, such as this one , would cost you more then a new one these days. Good Luck PS Please dont forget to rate this thread.

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