Question about Protron PLTV-26 26 in. HD-Ready LCD Television

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Circuit Board I made a mistake when I was mounting my Protron PLTV26 on the brackett, by drilling through the circuit board and now I am trying to find out where I can get a new one. Any suggestings?

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Re: Circuit Board


Posted on Jun 14, 2008

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Re: Circuit Board

If you didn't damage it to bad you could take a wire and use it as a jumper to cross over the traces you drill thru.

Posted on Dec 06, 2007

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Protron PLTV-27NW30 has no sound

Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, 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. Surf the site with patience

Apr 25, 2016 | Protron Flat Panel Televisions

1 Answer

Has sound, but why no picture?

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.
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.

Feb 28, 2016 | Vizio 55" Class LED 1080p 120Hz HDTV,2.49"...

1 Answer

The Protron PLtv26 just stopped workin

Power supply module will be the first thing to check.
See the pictures of the boards here:

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors:
Learn about bad caps:
Capacitors kit: he can make you a set of caps.
Or, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

Jan 27, 2011 | Protron PLTV-26 26 in. HD-Ready LCD...

2 Answers

My protron tv pltv-32c has no picture but has sound, if you change channels the picture will flash on for about 1 second


If there is sound but no picture, screen is completely dark and the picture is occasionally flashing, then the fault is likely a faulty inverter. In some case a faulty controller board or a defective PSU can cause the same problem.

I summarized the problem here:My LCD TV has sound but no picture.

I posted general procedure to test inverter, PSU and controller board on LCD here : How to test an LCD TV or monitor PSU and inverter.

If screen is not dark, but has blacklight or noise things are different. In that case check connection cables first. Parts that may be defective are main controller board, terminal circuit and tuner board.

Protron parts are available using the link below. Ensure that parts are compatible with your model before purchasing.

ShopJimmy - Protron Parts.


May 15, 2010 | Flat Panel Televisions

1 Answer

No sound! all of a sudden, i have no sound from the tv. tried every button on the remote but to no avial. Is there a reset button on the tv?

Can someone give me some insight on why the sound just stopped and that was it. Is it a circuit board or a diode. If anyone has had their Protron TV repaired, how much did it cost to have it fixed.

Oct 25, 2009 | Protron PLTV-32 Television

2 Answers

Sharp LC-32D40U shows no video few seconds after turning it ON

Modification of the inverter unit usually takes care of this problem.

Jun 02, 2009 | Sharp LC-32D40U 32 in. HDTV LCD TV

1 Answer

The HDMI connector broke loose from its mounting inside the tv.

hi there, you can just re solder the points onto the board once more without buying a completely new board. just remove the board and solder the contact point back on the board itself.that should fix it up for ya. thx for using fixya:)

Feb 08, 2009 | Samsung LNR269D 26 in. LCD Television

2 Answers

No power

If you see a light on the front panel, is not the fuse but something else in the power supply circuit board or could also have damaged the main board due to the poor voltage regulation of these power supplies.

Aug 19, 2008 | Protron PLTV-32 Television

1 Answer

Protron LCD TV Circuit board

Just posted this elsewhere:
 I checked and found the Protron name belong(s) or (ed) to Spectroniq and neither of the two websites are up anymore. 
Also, I could probably make a zapped supply work again but you do not know what might have been damaged downstream from it and that is a good possibility; the damage may be much deeper than it appears since many of the integrated circuits used in modern equipment don't tolerate hundred (or thousand) volt spikes and without a working supply, there is little chance of diagnosing it unless a service department has a few lab-type power supplies and can simulate the failed original supply. 
If you do find anyone who has stock on assemblies for this TV, you may find more than one part number on the board. If it is a number that seems to be under clear lacquer, it is likely only the bare board number. If it seems to be stamped on or has a label with a number on it, this is going to be the whole part number for the 'stuffed' board.  
I can't help you with this one but I would suggest, especially if you live in a lightning-prone area to consider installing a 'whole house' surge protector. They do cost a couple of hundred US dollars plus installation charges, but the established companies even include an insurance policy that covers $10,000-25,000 in damages. If you own your home, it's your decision and I cannot imagine any landlord would object to having you install one at your own expense.  

Aug 12, 2008 | Protron PLTV-26 26 in. HD-Ready LCD...

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