Question about Proscan 50" FHD 1080p Roku Ready Black LED HDTV - PLDED5030A-C-RK

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How can I get my tv to turn back on? IT is like the tv is on standby. I unplugged for 30 minutes and plugged it back in. The blue power button turned on but the tv screen didn't.

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  • 167 Answers

It is on stand by. When you turn your TV on diagnostic circuits send a low voltage low frequency signal to check all components. If it doesn't get the proper signal back then it goes into standby or protection mode. It will now power up, it does this to protech any damage from a faulty board or component it has found. Most of the time it is the power board but not all the tme. Other things can shut it down also. If you are so inclined take the back and look at the power board. It will have a lot of what looks like cans (capacitors). If any of the are spewed up or raised up on the top then you are lucky.. Capicators are a cheap easy fix, if not caps then I would just to have the set in my shop to detrermine the cause. sorry I couldn't be of more help.
Col. Dana Gillespie

Posted on Nov 29, 2014

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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budmrtn
  • 11361 Answers

SOURCE: wont turn on have tested

You will need to do more in-depth troubleshooting,
Please read my guide to get more understanding on how the TV works.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.

Posted on Aug 02, 2011

bugoy31
  • 1238 Answers

SOURCE: proscan 42LA45H has picture and no sound

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Posted on Jun 06, 2012

vinceisaac
  • 2432 Answers

SOURCE: Proscan 40LC45S screen flickers, red light flickers, won't turn on

check bad component parts at the power supply board as will as burnt parts.

Posted on Sep 08, 2012

  • 127 Answers

SOURCE: can't turn on proscan 42LED55SA. blue light is on at the bottom of tv but i can't turn on manually or with remote. have tried unplugging and re-plugging but does not help. any suggestions?

Your Power supply needs troubleshooting.

Posted on Nov 02, 2012

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