Question about ViewSonic EA771 Monitor

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No power though the feeding line up to the monitor has 220 volts

Hace the impression that a fuse has blown inside or something similar

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  • fabacigalupo Mar 02, 2009

    The monitor does not switch at all

  • fabacigalupo Mar 03, 2009

    There is no external fuse related to the actual power plug. However I noticed that the equipment originally was sold with a two ´prong plug without any central earth connection.

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Hi does the monitor switch on at all or does it do a ticking sound ? because if so then its probably the wic.

Posted on Mar 02, 2009

  • Mr fix.it Mar 02, 2009

    There is a fuse internally in the monitor but did you check the fuse that should be in the actual power plug ?

  • Mr fix.it Mar 04, 2009

    If you are conversant with electronics you can open the monitor and check the fuse which is usually on the board however as a warning a monitor can be deadly since it can supply up to Kilo Volts so if you are not conversant with this stuff please for your own safety do not open anything.

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1 Answer

I have a view sonic monitor and it isnt turning on


If it is not even giving you the orange stand by light, check the fuse in the plug to see if that has blown, then try a different lead ( assuming it is a direct 240 volts connection to the mains), if the lead is known to be good, then the problem is likely a damaged switch contact in the monitor, blown power capacitor or similar. Needs to be tested by a qualified technician

Jul 05, 2011 | ViewSonic Computers & Internet

1 Answer

Monitor goes off and on repeatedly and intermittently. Sometimes stays on for quite a while then goes off for no reason then on again, etc., etc. VERY annoying! HELP!?


It may hace cold solder joints, failing DC filter caps, lamp assemblies.
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 DELL 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.
Replacement board: http://www.lcdrepair.us

Oct 21, 2010 | Dell E173FP 17" LCD Monitor

1 Answer

When im on face book my screan dims and i cant click on anything, I refresh and its noema for a few seconds then dims again. Help


It may hace dying caps in power supply just like the one I show here: http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA721/

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.

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Sep 16, 2010 | ViewSonic VA721 17" LCD Monitor

1 Answer

My BenQ FP71G Monitor has been turned off for 2 weeks on starting it this morning I have fine colored lines that cover 1/3 of the screen on the right hand side.I have checked the cables. Have you any...


You have failing LCD panel or the 5vdc feeding the panel may be bad. Check to connection at the LCD panel T-CON board.
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, 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
Capacitors kit: http://lcdalternatives.auctivacommerce.com/

Aug 06, 2010 | BenQ FP71G 17" LCD Monitor

1 Answer

The power is ON and with green light but the screen is black


You need to check and see if the 12v is feeding the backlight inverter circuits, also check for blown fuse for the inveter circuits.
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, 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
Capacitors kit: http://lcdalternatives.auctivacommerce.com/


http://s807.photobucket.com/home/budm/allalbums
Capacitors kit: http://lcdalternatives.auctivacommerce.com/

Aug 04, 2010 | ViewSonic VP920b 19" LCD Monitor

1 Answer

The light screen is dark you can see it barely


The backlight circuits are not working, check the DC filter caps in the power supply first, look for caps with leaking/bulging tops. Check to see if you do have 12~18vdc feeding the inverter circuits.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jul 04, 2010 | Chi Mei Corporation CMV 939D Monitor

1 Answer

Monitor black


Look for bad caps with leaking/bulging tops and vrify that you do have 12vdc feeding the inverter circuits.

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 ACER 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

Jun 15, 2010 | Acer AL1511 15" LCD Monitor

1 Answer

No picture


Power supply section will be the first place to check, find out if you do hav 12~18vdc feeding the inverter circuits.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 31, 2010 | Planar PL1910M (Black) 19 in. Flat Panel...

1 Answer

VG 181 displays page then goes blank


Look to see if you do have 12~18vdc feeding the backlight inverter board (located on the left side of the monitor), it can also have blown fuses on the inverter board. Post back what you see inside so we can guide you further, this is really old monitor, 2002.

Feb 15, 2010 | ViewSonic VG181b 18.1" LCD Monitor

1 Answer

A 220 volt Amstrad monitor that i want to convert to use 110 volt


engagetek, This would be a very easy thing to do if and only if the label on the rear of the unit has printing similar to my GATEWAY LCD. It states as follows: "100 - 240VAC input 50/60hz." If your Amstrad unit's label reads "220-240VAC 50/60hz only, then you will need to reverse engineer the "ac to dc" power supply, be it an old "linear" or a modern "switch-mode-power-supply" type. You did not state what type of monitor technology your Amstrad is. CRT, LCD, Plasma,???? I would guess that it is a CRT type. Well anyway, I hope the info was of some use. Bye for now, I'm louie12fix on fixya

Oct 11, 2009 | Computers & Internet

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