Question about Philips Magnavox MS3252S 32" TV

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Problem with 20" philips magnavox

My regulator,horizontal output transistor and r432 were all burnt out. after replacing these components, the tv powers up but there is no picture. there is a neon lamp close to the flyback which glows brightly. i guess it is indicating a fault in this circuit. what do you think is wrong...is it my flyback transformer?

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  • Philips Master
  • 5,138 Answers

Check capacitor next to flyback 100uf 160 v its right behind it! If this is bad you will have no high voltage only other cause flyback!

Posted on Jan 21, 2008

  • ladywinn
    ladywinn Jan 22, 2008

    I had fogotten about F401 is a pico fuse 5amp ck it also capacitor is a 100uf 250volts

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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
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Hello
You are talking about the horizontal output transistor damage I assumes and post this solution. If LOT has internal winding short, the horizontal output transistor will get shorted. It will be best to replace the horizontal output transistor, alongwith the LOT

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Tv went off with strange noise and we smelled something burning, but no flame. TV will not turn on. No light, nothing. IS TV fixable or should we replace? It is a magnavox tv that is at least twelve years...


Hi

as you said.. you have defective horizontal output transistor! and or the power section, please check the power regulator first. this is repairable..

Thanks!

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1 Answer

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hi first of all u should check ur transistor connections.Check your Horizontal and vertical output transistors.You should also check the horizontal and vertical yoke connections as well as your low voltage regulators.... if any of these got damaged u should purchase a new one.. but try to purchase with the help of a tv service assistant...
thank u!!!
rate me

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1 Answer

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check the horizontal output transistor or the vertical IC,maybe one of them is defected .

Oct 30, 2008 | Philips Magnavox 27MS343S 27" TV

1 Answer

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Hello sidley,

The problem you described might be "blooming" This happens due to poor HV (High Voltage) regulation. The problem might be with the High Voltage Transformer and or the Horizontal Output Transistor.
The problem might also be related to the associated circuitry of the two components.

I hope this helps
Thank you,
Shuttle83

Jan 27, 2008 | Philips Magnavox 27MS343S 27" TV

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