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ViewSonic Optiquest V773 monitor smoking

Does anyone have a parts list for the above monitor. I have a copy of a schematic diagram. My monitor died (smoke coming from unit). Upon investigation, I found that component R802 had fried. Since it has Rxxx, I assume it is a resistor, but can't determine exactly what type it is. Does anyone know. Thanks for any help. Ron

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Re: ViewSonic Optiquest V773 monitor smoking

If you have a monitor that is smoking, you need to get rid of it. Especially if it is 7 years old. It has lived it's life. While many monitors do live longer, you can get a new one for under $200.00. Why go through the bother trying to fix it? Monitors should never be opened by the regular computer user for "fixing". Only an electrical specialist should attempt this otherwise there could be serious injuries to the consumer.

Posted on Sep 11, 2008

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Viewsonic optiquest flat panel lcd monitor power light flashes on and off with a popping niose

Look for bad caps with bulging/leaking tops as shown here:

Very common problem in all LCD monitors as you can see in my albums.

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures:

Learn about bad caps:

Capacitors kit: he can make you a set of caps for you.
Or just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Oct 26, 2011 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

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Viewsonic Optiquest Q19wb lcd Monitor goes blank after 2 secs. A couple of posts say replace the 1000uf 16v Cap My problem is i can't find them on the pcb (where are they?)

Look at the board where the AC power connector comes in that is the power supply board, there are more than one versions so it nay not have the same caps value.
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 Viewsonic/Optiquest monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Post pictures or send them to me

May 15, 2010 | ViewSonic Optiquest Q19wb LCD Monitor

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Optiquest vs11201 monitor not above 640x480 resolution

You need to download the driver from DELL for your video card, my 3000 use video driver R79733.EXE.
You may have virus in your computer if you cannot update the drivers, sometime it is better to start from clean drive to help get rid of stuff that get installed into the computer.

Apr 12, 2010 | ViewSonic Optiquest Q19wb LCD Monitor

1 Answer

ViewSonic Optiquest Q7b 17" LCD Monitor has a fuzzy picture

LCD monitor needs to be fed with native resolution from the PC video out, this monitor native resolution is 1280x1024 @60Hz, try that setting to see if it helps before opening up the monitor to look for failed components.

Mar 29, 2010 | ViewSonic Optiquest Q7b Flat panel TFT 17"...

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I want schematic for power board No BN91-00182A of View Sonic monitor VA703M-4 and a componet list

tarkan271, Will you please let me know asap when you get a genuine copy of the ViewSonic schematic for the "switch-mode-power-supply" and "inverter" circuit. Don't you know that they are "top secret" documents? You absolutely must do a NEW comment here on fixya if you find some documentation!! My suggestion to you would be to call ViewSonic and ask them if you can get a .pdf file sent to your e-mail address of the schematic and BOM. Good freaking luck, guy!! 12fixlouie

Nov 13, 2009 | ViewSonic VA703mb Monitor

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Q19wb Monitor Replacement Part Numbers Needed

Look on eBay for "Optiquest Q19wb repair" or "Optiquest Q19wb power"

This is a common failure mode. You can either buy a set of capacitors and solder them in, or buy a replacement power supply board if you cannot solder.

One eBay seller notes the power board as an ILPI-025, which is common among the following models:

Power Board ILPI-025 For LG W1934S & Viewsonic VG1930WM & Optiquest Q19WB & Acer AL1916W Ab etc
Model:ILPI-025 REV:E 79069140

May 29, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

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I have a viewsonic optiquest monitor Q20WB and buttons not workin

Sounds like that monitor has reached the end of the road. I would recommend purchasing another monitor, other than view sonic. Purchase a Dell..they are great!

May 13, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

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Optiquest V655 Monitor no power

Have you tried another power cable? It could be a power supply problem. Too be honest, being a 15" crt monitor it would prob be cheaper to replace the whole unit than have it diagnosed and repaired

Jan 20, 2009 | ViewSonic Optiquest V655 Monitor

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Optiquest Q19 monitor adjustment off

Finally found out that the Optquest monitor is an viewsonic brand monitor and finally downloaded the manual.

Jan 10, 2009 | ViewSonic Optiquest Q19wb LCD Monitor

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