Question about Proscan 42LA30H 42 in. LCD Television

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My tv flickers what should i do 42 proscan - Proscan 42LA30H 42 in. LCD Television

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

budmrtn
  • 11361 Answers

SOURCE: I have a 42" Proscan

That sounds like either bad T-CON board or main board, need real in-depth troubleshooting.
You can the parts here:
http://www.shopjimmy.com/catalogsearch/result/index/?q=Proscan+42LED55SA+&stock=all

I hope it is still under warranty.

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: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Dec 30, 2010

  • 125 Answers

SOURCE: I have a 42" Proscan

It sounds more like a backlight problem to me. The first thing I would try before tearing the set apart is simply unplugging it for about five minutes and plug it back in. TV's do weird things sometimes and need to be reset. Odds are, if you have to open up the TV, there's not a whole lot you can do anyway. Check the backlight on signal and also see if your inverter is working. I would suspect that if you're strobing your backlight is probably dying. In that case all you can do is replace the panel; you could try finding a replacement backlight and installing it, but I wouldn't advise even trying this. Replacing backlights is quite a task if you're not familiar with televisions. Anyway, best of luck.

Posted on May 01, 2011

shajanrs
  • 890 Answers

SOURCE: proscan tv flickering

I'm sorry that the picture on the TV has constant flickering. Please follow the troubleshooting steps and check the operation:



  • Please make sure that the connections are secure and proper.

  • Try connecting a different video source like DVD player or VCR and check the operation. If it works with another device, the issue might be with the input device currently.

  • Also try connecting the device to a different port in the TV if no other devices are available.

  • If the issue persists, try with a different cable.

  • Perform a power resetting and check the operation. To perform the power resetting, unplug the TV from wall outlet for more than 2 minutes and then reconnect it.


Thanks for understanding. Please let me know if you require any clarifications/additional help.

Posted on Oct 18, 2011

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1 Answer

Proscan 42 lcd makes a humming noise and the color starts breaking down in the color blocks and the screen sometimes flickers


The LCD is breaking down and the voltage regulator in the power supply (hence the hum) can't provide enough gain to energize the crystal so it flickers and acts up. These often get damaged in transit. (Time for a new TV/monitor. Bear in mind that such consumer electronics only have a useful life of 6 years.) These off-brand TVs purchased from supermarkets like COSTCO and Wal-Mart are notoriously problematic. Take it back, if you can and demand your money back. Don't get another one to replace it! Depending upon where you live, most consumer electronic devices have an Implied Warranty (unwritten) of one year from the date of purchase for merchantability (meets safety standards) and free of defects. It may also have a Specific Warranty (written) which lists other conditions. Stick with reputable brands like Panasonic, LG, Samsung, Philips, Toshiba, and Sony, if want some measure of quality control and reliability. There is a reason why they cost more!

Aug 27, 2012 | Proscan 42LA45H 42 in. LCD TV

2 Answers

Proscan tv flickering


I'm sorry that the picture on the TV has constant flickering. Please follow the troubleshooting steps and check the operation:



  • Please make sure that the connections are secure and proper.

  • Try connecting a different video source like DVD player or VCR and check the operation. If it works with another device, the issue might be with the input device currently.

  • Also try connecting the device to a different port in the TV if no other devices are available.

  • If the issue persists, try with a different cable.

  • Perform a power resetting and check the operation. To perform the power resetting, unplug the TV from wall outlet for more than 2 minutes and then reconnect it.


Thanks for understanding. Please let me know if you require any clarifications/additional help.

Oct 18, 2011 | Proscan 42LA45H 42 in. LCD TV

1 Answer

My tv keeps flickering like a strobe light, how do i fix it


Hi,connect the tv to a stablizer..dont connect it direct from power source and make sure you place it in a place where enough air can reach it.

Jul 31, 2011 | Proscan 42LA30H 42 in. LCD Television

1 Answer

No sound.soldered bad connection for flicker in pic. thenn no sound pic ok


First check for the speakers of the TV it is found on the left and right ride of the TV. Usually the reading is 8ohms in a multimeter.then if it its good try to check for the sound amplifier it is found on where the speakers connectors are connected, try to replace a new one.. hope this may help you

Jul 26, 2011 | Proscan 42LA45H 42 in. LCD TV

1 Answer

I have a 42" Proscan


It sounds more like a backlight problem to me. The first thing I would try before tearing the set apart is simply unplugging it for about five minutes and plug it back in. TV's do weird things sometimes and need to be reset. Odds are, if you have to open up the TV, there's not a whole lot you can do anyway. Check the backlight on signal and also see if your inverter is working. I would suspect that if you're strobing your backlight is probably dying. In that case all you can do is replace the panel; you could try finding a replacement backlight and installing it, but I wouldn't advise even trying this. Replacing backlights is quite a task if you're not familiar with televisions. Anyway, best of luck.

May 01, 2011 | Proscan 42LED55SA 42 in. LCD TV

3 Answers

My proscan is buzzing and pix is flickering when the power is on.


I found this solution on another review, hope it works
Model Number: Proscan 26" LCD HDTV w/ Built-in DVD Player26LB30QD "pro: good price, TV picture is clear and DVD player is compatible well.
con: sound noise
There was hum when I first turned the TV on, then I followed these instructions (found it from other review) to fix the hum issue:
1. Turn tv on
2. Input mode should be tv
3. Turn volume to zero
4. With remote enter 9 8 7 6
5. A menu will appear on left side
6. Arrow down to backlight and with right arrow key move number from 81 to 83, press menu button twice,
7. Turn up volume and listen if hum is gone."
It works,no hum."

Feb 26, 2009 | Proscan 42LA30H 42 in. LCD Television

1 Answer

PROSCAN 42' LCD COLOR TV MODEL 42LA45H


I am sorry Sir, the display panel is bad. If you purchased it new, it should under factory's warranty. Please call Proscan for a warranty repair.

Proscan Customer Service:
1-800-968-9853 (US and Canada)

May 31, 2017 | Proscan 42LA45H 42 in. LCD TV

1 Answer

Need user manual


Here's the link to all Proscan TV Manuals =>

http://oncorpus.com/down/down.htm

Here's the link to your Proscan model#42LA45H 42" lcd tv =>

http://www.oncorpus.com/down/ENG/42LA45H%20English%20UM.pdf

Dec 26, 2008 | Proscan PS36700 36" TV

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