Question about Sanyo 26in LCD 720p HDTV - LCD TVs

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Tv monitor went blank when using my pc on it

I am using a Gateway pc with windows 8.1. I am using a Sanyo HDTV LCD. I can watch tv and dvd with it. However, when I turn to pc reciever I get the logo of my pc then when it switches to windows I get a black screen - how can I fix this?

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  • 53 Answers

Try adjusting your resolution before you plug the tv into the pc. a 26" shouldn't cause this problem, but it may. Give it a try. If this doesn't work, try finding a driver on the Sanyo website for that pc and download or repair the existing driver. You'll need to use another monitor, of course. I hope you have one.

Posted on Dec 31, 2013

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Wanted: 32" Sanyo LCD replacement screen (compatible)

take apart the lcd and find the lcd panel number then email patel150@gmail.com to buy a new panel from a factory in china
then put it all together

Posted on Apr 17, 2009

  • 135 Answers

SOURCE: screen went black on my 42" sanyo model dp42647 lcd

Hi there! The panel may be in protection mode. The Inverter board is the most logical area to start after checking power supply Voltages.(5,6,24 and 13Volts). There may be coils on the Inverter Board which have bad soldering or faulty. Other than this it may be main board which controls switch on or off. If all else fails, refer to a repairer. Beware of High Current!!! Best Wishes and Good Luck, Jus004

Posted on Aug 23, 2009

jrweighing
  • 183 Answers

SOURCE: My new Sanyo HDTV LCD won't come on, although the on light is on.

If your Tv is in warranty or you have a cover plan, you need to return the Tv for repair or replacement.Your Tv sounds like it has a power supply fault.

Posted on Feb 28, 2010

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Sanyo lcd-32k40 features


  • Model: Sanyo 32K40 Multi System LCD TV
  • World-Wide NTSC/PAL/SECAM Color System - Watch any video signal on this TV!!
  • World-Wide NTSC M, PAL BG, PAL I, Secam BG, DK/ PAL DK TV tuners
  • 32 inch LCD TV with 3 HDMI inputs and PC input
  • USB input for direct media playback
  • 45,000:1 Dynamic Contrast: While viewing either very bright or very dark scenes, it can be difficult to distinguish main images which blend into the background.
  • Dynamic Contrast dramatically mitigates this problem by adjusting the backlight intensity, providing up to a 4X improvement in contrast.
  • 6.5ms Response Time
  • Widescreen 16 X 9 Format
  • World-wide Dual Voltage 110-240 volts 50-60 hertz
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  • This is a multisystem TV. All Multi System TVs in the market do not have a digital TV tuner: What does this mean?
  • To watch digital channels (ATSC Broadcasting in US and DVBT broadcasting overseas) you need a digital source/tuner like a cable box, digital tuner, satellite service, etc.
  • To get the best quality video on this TV you need a source that has a digital connection like HDMI or component.
  • Wide Screen Mode allows you to watch conventional 4:3 aspect ratio broadcasts in wide screen (16:9) mode.
  • Steady Sound® equalizes volume levels so there is consistent output between programs and commercials.
  • Built-in hidden speakers includes 2 (5W x 2) speakers to deliver dynamic sound.
  • Component Video Input offers the best video quality for DVD (480p and 480i), and digital set-top box (1080p, 1080i, 720p, 480p and 480i) connections.
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My gateway monitor all of a sudden goes blank. It worked fine earlier today; however, when someone tried to go back on it and go to internet, the monitor went blank. It is functioning, just can't see...


You should try to find out if it is the monitor problem or the PC problem first by trying this monitor with another PC or try this PC iwth another monitor we need to narrow down the cause first.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

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Try explaining the problem to the manufacturer. They will help. They may change the software if needed. After the guarantee it will become a payable service.

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No signal from computer to monitor 8/13/08!


I had the exact same problem!! Drove me crazy for days. Couldn't find any answers online, contacted Gateway tech support and they told me my warranty was expired but they'd be happy to discuss my issue for $2 per minute. Gateway can **** it!!

At first I thought the problem might be a malfunctioning NVIDIA card, a problem with my DVI cable, or the monitor itself. But, after turning off the computer, unplugging the DVI cable, replugging the DVI cable and restarting the computer, I noticed I could get the firmware flash screen to show, including the BIOS menu boot and the Gateway system reinstall screen to show. As soon as the Windows flash logo would display, however, the monitor would drop out and display the dreaded "No Signal" error.
This indicated the problem was a software one and not hardware! The cable, monitor and video card were all working fine. Then I remembered that Windows installed its automatic update a few days prior. In fact...

THE PROBLEM TURNED OUT TO BE A WINDOWS UPDATE INSTALLED A FEW DAYS PRIOR.

After succesfully booting into safe mode (F8 during the flash/bootup screens), I went to Add or Remove programs in the control panel, clicked on the "Show Updates" box on the top, and uninstalled the Windows update from a few days prior to the occurance of the error. After a reboot the problem was solved.

I hope this will help anybody else struggling with this error!

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