Question about Philips Magnavox 27MS343S 27" TV

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Magnavox 42MF231D/37 has sound, black screen Only 2 1/2 years old. Smells like burnt wires. I will need to call repairman in TV to heavy for me to move. Is cost going to exceed TV value?

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That may be a bad video board, which will probably out cost replacement.

Posted on Jul 03, 2010

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My Magnavox 42MF231D/37 TV has no picture


Call Magna vox tech support. Sounds like you need a new set. They may have you factory reset the set.

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You may have a weak power supply. This would indicate one or two capacitors that are weak or bad. This model may be about 4 years now and this is a good indicator as these capacitors need replacing. The other problem may be the infared board in the TV that receives the signal from the remote may be a problem as well. I would certainly investigate my first thought. The latter is kind of rare. Thanks for asking and show a few hands of support.

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1 Answer

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The problem can be in the backlight inverter board (hard to get to), or the main power supply module may not be working. Look at the power supply first since it is easy to get to, look for burnt parts, bad capacitors.
http://en.wikipedia.org/wiki/Capacitor_plague
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1 Answer

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Hi my name is Roety,
I can help you with your issue ,
Sounds like a bad SSB small signal board
login as a guest and check price and availability at
encompass.com  
 
 
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
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1 Answer

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Alot of times i have noticed that when i have worked on these, it has been the Backlight Inverter. 32 inch televisions had same problem as the 42 inch

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1 Answer

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power supply or inverter board failing if the power board is the problem it will have blown caps
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1 Answer

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Common problem on this tv, ceramic capacitor beside horizontal transistor.Need be Replace . 561K 2KV

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1 Answer

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Try a hard restart, which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics, to a certain extent. If the picture does not return, then you might need the expertise of a repairman.

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1 Answer

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No setting or troubleshooting can fix this. TV needs service. Sounds like a control board or buffer board went out.

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