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Westinghouse Monitor Won't Stay On.

Power Supply for monitor had 5 blown Caps, I replaced them with used ones from used power supplys, at style. It works like New!!!!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Acer AL1714 17" LCD Monitor Good Power supply no power on monitor

Hello, I have to same problem. I returned my monitor to Acer but got it back unrepaired, they could not see the malfunction. But I kept on sending it back, until I got a new model. Now after 2 years I get the same thing with this monitor. But there's no warranty anymore, so I looked into the problem myself. I found out that inside the powercircuit board is connected to the mainboard through a 10pin connector. The 5 pins that are on the lowest row, show a trace of white powder, I suppose occidation. I sprayed a little of contactspray in it. I must say the problem is not gone, but much better. The problem shows not so frequent anymore and lasts not so long. At first the screen switched of for 3 to 5 minutes and came back on. Now the screen is gone for perhaps 1 second and returns. So I'm almost convinced the problem has something to do with the connection of the powercircuitboard inside and the mainboard inside, when the monitor heats up a bad connection occurs due to occidation of the 10 pin connector. If you find a solution that fixes the problem 100% let me know, please. Mario.

Posted on Apr 29, 2007

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jackboy
  • 2985 Answers

SOURCE: PS/2 power supply connection

You seem to have an oddball monitor if what you describe is correct. The power supply to a monitor[Display Screen is that what you mean?] is either direct to main power- in which case the power cord is either built in with a power plug for wall socket, or has a socket on the back for a separate main power cord. Or is powered from a low voltage converter that delivers low volts usually via a coaxial plug like this illustration PS2 connection does dot come into the equation as far as I know unless you have got hold of something unusual. Tell you what take a shot of the back of the monitor and lets have a look see mean while here's is a shot of a typical low voltage power supply available anywhere.

Posted on May 27, 2007

easyq
  • 144 Answers

SOURCE: Westinghouse L2410NM monitor dead

Check different power cable
check different power socket
if both have no effect buy a new monitor is the only other option.

Posted on Jul 05, 2008

SOURCE: Power supply for Compaq 1501 15" LCD Monitor

arrange the manual from any where with same model and find it .without looking directly i cannot advice anything try to understand

Posted on Oct 30, 2008

  • 7 Answers

SOURCE: fqpf 10n20c mosfet blown continue in +B supply

pls change the eht

Posted on Mar 19, 2009

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My Westinghouse LCM 19v5 will not powerup


Look for bad caps with bulging tops, similar to the 19" version as shown here:
http://s807.photobucket.com/albums/yy352/budm/WESTINGHOUSE/Westinghouse%20LCM-20V5/

Make sure to use correct type caps for switching power supply.

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 pictures: 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.

Oct 21, 2011 | Westinghouse LCM-19v5 Monitor

1 Answer

I bought this from a yard sale and when it is hooked up to a power supply and the computer the green light is on but it will not show any picture except for a faint flash


You need to inpsect the power supply/inverter board for bad caps with domed tops first.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed Westinghouse monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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 pictures: 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.

May 15, 2011 | Westinghouse L2046NV Monitor

1 Answer

My Sony monitor (SDM-HS73) won't stay on. I have to keep pushing the on/off button to get the monitor to stay on. The problem has become increasingly worse until the monitor won't stay on at all, but if I...


It can be the power supply/inverter board caps problem, but this 17" and 19" model are known for bad lamp assembly as you can see in my albums here: http://s807.photobucket.com/albums/yy352/budm/SONY/Sony%20SDM-HS73/

I will be just about impossible to get the board or lamp replace, cost too much.

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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 pictures: 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.

May 01, 2011 | Sony SDM-HS73/H (Grey) Monitor

1 Answer

When in dormant state, need to power off and on multiple times to get scren to come back on


It may have dying power supply due to bad DC filter caps, if you keep using it or leave it plug in, if the caps fail completely then you may cause more damages.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed WESTINGHOUSE monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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.

Mar 04, 2011 | Westinghouse 19" Widescreen Flat Panel LCD...

1 Answer

Screen Flickers and won"t stay on. what is causing


Please read here:
http://www.instructables.com/id/How-to-repair-a-Westinghouse-L1975NW-19quot-LCD-/

If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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.

Jan 16, 2011 | Westinghouse L1975NW Monitor

1 Answer

My monitor does not stay on when you move the mouse i have to use the power button over and over till it stays on


More likely that it has dying power supply due to bad DC filter caps with leaking/bulging tops.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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

http://en.wikipedia.org/wiki/Capacitor_plague

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

Oct 11, 2010 | Westinghouse LCM-19v5 Monitor

1 Answer

No picture


Look for bad caps (leaking/bulging top), blown fuse and shorted transistors in the inverter and power supply circuits
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed WESTINGHOUSE monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

May 19, 2010 | Westinghouse L2046NV Monitor

1 Answer

Power cord issue? Black Screen with image issue?


The powere cord you are using is fine (the cord is made to handle the 10A load, you are only drawing 1.5A). The monitor uses switching mode power supply that can handle any voltage INPUT between 100v up to 240v. More likely to be bad caps in the power supply. See example of failed Westinghouse due to bad caps: http://s807.photobucket.com/home/budm/allalbums

Mar 01, 2010 | Westinghouse LCM-19v5 Monitor

1 Answer

Audio and picture quit working on white westinghouse lcm-17v8


If you haven't figured it out yet through a web search, Westinghouse monitoris have problems with blown caps on the power supply board. If you are lucky the problem is minimal and won't require more than replacement of the caps. You won't know until/unless you open the case and inspect the power supply board.

Dec 23, 2008 | Westinghouse 19" Widescreen Flat Panel LCD...

4 Answers

Monitor works for a fraction of a second


See article written by sillybit (me) for the Westinghouse 19v5. My 20v5 had bad caps in the power supply - it did the exact same thing as yours. $8 worth of parts from radioshack and an hour or two is all mine needed.

Aug 01, 2008 | Westinghouse LCM-19v5 Monitor

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