Question about Protron PLTV3250 32 in. LCD Television

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Proton 32in T.V>

Thank's i found the fuse and it's good but the power supply went bad and can't find where to buy one and the company went out of business and we can't buy them from china now what do i do thank's for you help.
harvey461@comcast.net

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  • Tom Green Dec 03, 2008

    were is the fuse located

  • capituttio Dec 17, 2008

    I also believe my power supply is bad and cannot find one. i barely used this set its in my weekend house. can someone help?

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  • 51 Answers

Get your model # and check the site www.shopjimmy.com. They sell used Boards. Find stuff there often.

Posted on Dec 02, 2008

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I have a sylvania 32in replacement tv circuit board model srt2232s It doesn't turn on anymore , fuse is good , buzzing coming from a transistor I think any thoughts . Thanks


Hi there, sorry to hear. That "buzzing" you hear is most likely that power supply onboard, pulsing in a failure mode such as a current limit situation. Check for shorted rectifiers, and the common bad capacitors.

Jan 21, 2015 | Sylvania Televison & Video

4 Answers

Protron PL TV-3250 32" LCD


sounds to me a power ICB has gone bad if you can get it replaced under warranty that is your best bet. If not then you can call the manufacturer and have them fixes still at your expense. I would call them in advance and get a price for it all general estimation. Make sure its what you want to do.

hope this helps answer your problems

Nate 08:38:28cst

Jun 16, 2008 | Proton NT-3460 32" TV

1 Answer

Westinghouse 32in. Model vr-3215 powers on but no sound no picture


I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.4_20_2012_2_23_17_pm.jpg

Apr 20, 2012 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

Proton pltv3250 no video but has sound


now you need to check the inverter pcb , sometimes there is bad capacitor , also make sure there 24 v coming from the power supply , if you have 24v caming from power pcb going to the inverter pcb most like open fuse on the inverter pcb

Feb 08, 2012 | Protron PLTV3250 32 in. LCD Television

1 Answer

My Zenith XBV342 will not power up.


The same thing happened to my equipment and a found component IC101 blown. The problem is that I can not find a supplier to buy it. I only found companies that sell high volume quantities.

Jun 14, 2010 | Zenith XBV342 DVD Player/VCR

1 Answer

Tv turns on for 1 second and turns itself off


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

Sep 07, 2009 | Proton MM2701VT 27" TV

1 Answer

My protron tv went off and won't come on pltv


Hi, most protons have power supply problems, the power supply is no longer available, but it can either be mailed in to a company called PTS to be rebuilt or you can attempt a component level repair yourself.
Most non technical people can not disassemble and solder there TV.
If you are comfortable soldering, you can open the TV and view the power supply (upper center section) look for any bulging capacitors (cylinder looking small components) sometimes replacing the swollen caps will fix your Proton, If any parts look burnt you will need to send the board to PTS to get it rebuilt , should cost around $100.
PTScorp.com can be found online here or bring the TV to a local servicer that agrees on a flat rate price to fix it
thanks'
Eric

Aug 12, 2009 | Protron PLTV-32 Television

3 Answers

What is a good replacement for the MGE 400W


all you have to do is swap it with another one with the same specs connectors and wattage, thats a good PSU, i'd replace it with 550 wats

Nov 27, 2008 | MGE 400W Power Supply (QG) Power Supply

3 Answers

AKAI DVD PLAYER FIXING


Hello NOUSHADK,
I have good news and bad news for you. I'll give you the good news first. You know that new DVD player you have been wanting but never could buy because you already had a DVD player? 
Well, let's just say that you don't have that problem any more. When you dropped that screw on that resistor, you not only caused the fuse to blow, but you took out a few other components with it. This type of power supply is called a switching power supply because it takes AC voltage and then converts that AC voltage to DC voltage to power part of the circuits in the DVD player, then it takes some of the DC voltage produced and uses it to power an oscillator which provides a switching action for a Power MOSFET which is used to drive a switching transformer and then that voltage is converted into DC voltage for the other circuits not powered by the first power supply. Now this creates a problem, because when these types of power supplies blow out they take a lot of components (active and passive) with the blown out component.
Now for the bad news. These types of supplies are very seldom repairable, not because you can't find the parts and not because you cant find the layout, but usually because the parts are hard to find, in the case of the MOSFETs, the Switching Oscillator, and other active components.  Also, the schematics for these devices are not to be found anywhere even by locating the manufacture. This is because most of these units are put together in Taiwan or in Bangkok and then branded by a company, meaning the company whose name is on the unit is not the company who manufactured the unit. So schematics and service diagrams are usually not to be found.
I know this may not help you, but you can try to find the Power supply manufacture by using google, and getting them to send you a new board, or you can try to repair the board yourself, but remember you will have to hunt down at least 3 bad active components and a number of bad passive components.
Thank you,
Shuttle83 

Apr 22, 2008 | Televison & Video

3 Answers

Loss of power


I have a similar scanner, scanjet 5470c which is using the same power supply as 5400c and 5490c
2 weeks ago the scanner stopped working, yesterday i checked the scanner and found out that there was no power (12V)
the power module (black box) going into the 220V is a plastic box without service possibility. I took a screwdriver and a hammer to open the box. Inside the box i found a lot of electronics and yes a Fuse aswell. I did not have spare fuses, so like all bad boys i replaced the fuse with a wire, and guess what? .. yep I blew several main fuses in the house and now have a burned-out power supply.
the power module is still available at the HP Parts Store the part number is C8517-84201 i see a list price of 23 EUR

Before a buy a new power module I will first test the scanner with a spare 12VDC and see if he still works.

I will come back and tell you if it works...

Feb 17, 2007 | HP Scanjet 5400c Flatbed Scanner

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