Question about Proscan 123882 Power Supply

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Proscan/RCA 123882 Power Supply Uni

The tv not power on, just click -click

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May be the power board is shorting. I doubt if you have the necessary test equipment to trace the electronics, thus only a professional service agent can loacte the problem.

Posted on Mar 25, 2014

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I try to turn my proscan tv on and the the power comes on but before anything the tv blinks a d it turns off immediately, any advice?


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First check it or have the power supply check out with a meter. If you have 0 volts or it is dead then replace it. The main thing is the polarity of the tip, positive tip or negative tip IT MUST BE THE SAME or you will FRY YOUR TV. Good Luck.

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I replaced the power supply unit on my 50" ProScan flat screen and now it wont even turn on just a clicking sound when you hit the power button.


The replacement power supply could have been installed incorrectly or may have been defective as received.

Nov 20, 2014 | Proscan Televison & Video

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Why won't my Proscan PLDV321300 TURN ON ?


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time.

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1 Answer

Power supply has a ticking ticking blank screen no pix or sound


Sounds like a shorted H-out, likely due to a bad Flyback. That "chirping sound" is from the o0vercurrent protection in the power supply due to a short. Perhaps it is also a bad capacitor in the supply causing overvoltage shutdown too.

Apr 04, 2014 | Proscan 123882 Power Supply

2 Answers

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replace the power supply board!

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1 Answer

47led55sa half the screen is black


Hello Kathy, now since i dont have a picture of the screen i cannot tell exactly what is wrong, but if i had to take a well educated guess it would be that one of the wired that feed into the screen is damaged or faulty . Take it to your local tech shop and they can fix this problem easily, though rates differ from place to place i would give a rough assumtion of $25-$30 for a proper fix. Hope this helped ;)

Oct 11, 2012 | Proscan 123882 Power Supply

1 Answer

Proscan 27" tv


it is due to power supply failure. 1 check for loose contact in power supply. 2 it might be due to plug or socket loose. 3 switching circuit failure in power supply. good luck.

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3 Answers

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