Question about Philips Magnavox 27MS343S 27" TV

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Will not Turn On

Hello, I have a Philips Magnavox 36" TV Model # TD3697 B102 Manufactured date of 1999 and bought brand new. Well the set has been wonderful with the exception of the original remote which works sometimes I have a Philips Universal thats works fine. I have not had a Cable or Sat in a year or so and with all the changes coming in Feb 09 with digital I dicided to subscribe to the DISH Network to avoid buying an upgrad to HDTV or purchasing a convertor box. I had the dish for 1 day and 1 movie on HBO and now the TV is broke. Laughing Yet???? The TV was fine while watching the news and suddenly it went black. I turned it off and it it acts like it wants to turn on but only had a black picture and Green Power Light blinking 3 times then solid a few seconds then blinking. I played with pressing to console channel and volume buttons and the only way to cut the TV off was to unplug it. Now the darn thing want come on at all. I got out my trusty meter to check the wall socket and I have 120 volts, After reading other problems on the site I guess I have a Power Supply problem. I would like to trouble shoot this problem. I wear a tool bag 8 hrs a day and I'm handy with a meter, please help. Thanks

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It is a problem on the main board and could be the regulator IC or Horizontal output transistor.
Regulater IC should be a STR53041
The HOT is marked on the front
Be sure to check the 100mfd @50v cap next to reg IC
and the transistor on the left N4923

Posted on Jul 24, 2008

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I am happy to assist you. If I am not mistaked about your model, I know of a fix for some models and that for sure. According to your description, I know of this descripition and if it fits the fix I know about then I am sure to tell you the problem.

You have to take the back off the set (UNPLUG TV) and look on the neck of the picture tube on the circuit board there is a resistor (do research on what a resistor is on the net) that opens up and it is a 10 ohm resistor and the color code is brown black black. It is about half inch long with wire coming out both sided sitting straight up position from the circuit board. Can be measured with an ohm meter. You can get 5 of them for a dollar at Radio Shack and it must be soldered in after taking the old one out being careful not to break the printed circuit.

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Salutation TrudyK,

Great question! First think to know is that if you are getting your programing from a cable or satellite provider a digital converter box would not be needed. These services are not being required to change their signals. If you use rabbit ears or an antenna a digital converter maybe required.

Looking at the specifications of your televisions they all appear to have analog tuners which would need digital converters to receive the new digital broadcasts.

Thankfully the FCC does have a program in place to offer coupons to assist in purchasing the new converter boxes.

For more information on the digital transition and coupon programs BestBuy.com has a FAQS, wuizzes and tutorials available at http://www.bestbuy.com/site/olspage.jsp?id=pcmcat120600050013&type=category

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Jon
Go Ahead. Use Us.

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