Question about Astar LTV-2701 27 in. HD-Ready LCD Television

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Astar LTV-30MA same as the rest no picture, the repairman said we need a new power board, but can't get parts, can you tell which other type would fit this set? We tried to get the schemtic, so we could use another company's that may fir, but can't find that either. can someone help?

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Examine the power board to see any buffed capacitors. If you can find some bad capacitors, replace them and you may fix the problem.

Posted on Feb 23, 2008

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PN59D550C1FXZA 59in Plasma picture comes and goes


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Check the Va and Vs voltages. These voltages should be so accurate as marked on the silk screen behind the display panel. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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3 Answers

No Picture or Sound from ASTAR 32 inch LCD Television


Hi,
There is Part Store having Astar LTV-27BG boards in stock. Please check out might help you to power up back your TV.
Regards,

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1 Answer

I HAVE A 42J350 LG TV THE PICTURE SCREEN WENT OUT ON. CAN UYOU TELL ME WANT BOARD NEEDS REPLACED


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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1 Answer

How do I fix problem with Vizio m550vse LED TV? Flashlight test reveals picture and no back lights are visible.


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Nov 20, 2015 | Vizio 55" Class LED 1080p 120Hz HDTV,2.49"...

1 Answer

My Toshiba LCD TV's picture gets dark around the top edges compared to the rest of the picture. How can I correct this issue?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.
If the TV back-light is with CCFL lamp type, one among this lamp at the top part of the screen is faulty, this kind of fault can occur. Check it.

Nov 05, 2015 | Toshiba Televison & Video

1 Answer

The picture is half-black on the right side, the rest looks fine.. any suggestions for how to fix it?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Sep 14, 2015 | Televison & Video

2 Answers

There is no picture on my Vision TV, what can I do?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

Jul 02, 2015 | Vizio Televison & Video

2 Answers

After my TV is on for a few minutes the picture shuts off--every aspect of the set continues to work


You still have a symptom of power supply trouble. Although the power board may have been replaced, it is likely that there is a defective part that is not on the new board. Specific replacement parts can be hard to obtain so I would wait until the repairman has a chance to install the new part

Apr 12, 2013 | Olevia LT42HVi 42 in. LCD Television

1 Answer

I have an Astar LTV-2701 26" and I can't find


I have a power supply available if you're interested or I can fix your defective one.
Let me know if you need further assistance.

Nov 03, 2011 | Astar LTV-2701 27 in. HD-Ready LCD...

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