Question about Orion PM4202 Television

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Orion TV-32082, no picture but backlight appears ok, TV sound and channel changes work but changing AV input doesnt work. Is this the main AV board gone down or could it be LVDS board? i think its the main av as input selection is not working. Also has anyone got a schematic of this set?? Thanks

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Try fuse f404 on power board, feeds av and other screen circuits but not sound and tuner

Posted on Mar 13, 2011

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1 Answer

Viewpia lcd tv backlight not working


Measure the input voltage to back light inverter board, from the main power regulator board. If it is found OK, replace back light inverter board.

Jul 27, 2012 | Televison & Video

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I have an onn 42 inck flatscreen tv and since last night have lost all colour on screen,,,tried cable and scart all seem ok,,any ideas


Hi.

If the problem happens using different input and devices, then it is either the terminal circuit (input/output connectors) or the processing unit in main board. The terminals are unlikely the culprit if problem concerns different inputs.

I imagine that the picture is not properly B&W (gray-shades) but some kind of reddish, bluish or greenish picture as the LCD will process picture using RGB (red green blue) channels instead of CYMK (cyan yellow magenta black) like CRT TVs.

Test the TV using an external aerial. You will notice if the channels have the wrong color even from static.

Use different inputs, different cables and different devices. beware of SCART cables, the SCART contacts are very easy to break. A defective cable will loose picture. Better testing using AV cables and component cables. AV cables are red/white for sound and yellow for video. If the two-wired yellow cable does not work, then the TV is faulty.
Other test can be done using component cables. Component cables send the three red-green-blue signals on different cables, hence testing is simple. Test swapping cables and see if TV tone stays the same if color tone changes the problem were the cables. Test also using at least two different devices (e.g. one DVD player and one TV receiver or a playstation).

If you find that the TV is defective call the manufacturer at the number listed on manual. If the problem is that one or more RGB channels do not work the TV main controller board must be replaced.

Regards.

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Sep 13, 2011 | Televison & Video

2 Answers

My LG HD tv screen suddenly went green. sound is


Hi,
I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs.
Please unplug tv from ac wall socket for minute to get it reset, replug back in and turn it On and check its picture.
If still showing green screen then change input source with remote, if tv shows same green screen on all inputs that means its either lcd panel problem or digital signal processor got bad loacted on main board. Local tv repairman is needed to confirm and fix it.
Thanks.

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1 Answer

My Westinghouse 36 inch TV has picture and sound when I turn it on but when I change channels, the picture disappears and I have only sound. The picture comes back if you turn the TV off and back on but...


Hello, it sounds like your inverter board is goin out on the set, when you change channels if you notice on almost any TV the screen goes dark and the new channel appears, it sounds like you are not getting enough power out of the inverter board to power up the backlight enough to come on. This is why the sound remains because everything else works fine and the sound is connected to the main board.

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Orion model TV1934a - I do not have the original remote - how can I set it to play a DVD. I have generice remote that does work the TV but the input button on the remote does not work.


Try doing a auto channel search while a dvd is on and connected to the TV. An av input is usually reached to the bottom of all the channels. for example pushing the channel below channel two the next one would be AV input.

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1 Answer

Want to purchase a Power Supply for Orion TV Model TV-32082


i have the problem mine comes on but just get the backlight any ideas whats wrong with it ?? is it the powerboard or is is something else?? please help!

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Video Mode - Orion 27" TV - Model stv2555A


VICTORY! Had the same problem with my Orion model FTDV2004. Lost the remote and couldn't program a universal remote to change the input to AV. After a day of reading posts, I just started pushing the channel up button. Somewhere past channel 115 the "Line1" and "Line 2" inputs showed up.

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1 Answer

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you can put at av1 or av2 or any video input jack. automatically camera works , and select the tv input contols very easyly..

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