Having problems with your ViewSonic VG150 15" LCD Monitor ?

"failure of "cold-cathode-fluorescent-lamp"

\015 Viewsonic vg150 failure of "failure of "cold-cathode-fluorescent-lamp" power supply called INVERTER CIRCUIT inside of monitor." power supply called INVERTER CIRCUIT inside of monitor. Can the inverter circuit be repair and if so what are the possible bad parts should be change?\015

Answers :

They can be repaired by an electronic tech but are cheaper buying a new one. The cost of new inverters range from 30-80$ USD. Viewsonics don't cost that much and now you can get 18.5 inch widw screen acer or other brand lcds for 89$.
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\015\012i woudl really suggest just buying anew unit.
Repair Help & Product Troubleshooting for ViewSonic VG150 15" LCD Monitor

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"failure of "cold-cathode-fluorescent-lamp"


They can be repaired by an electronic tech but are cheaper buying a new one. The cost of new inverters range from 30-80$ USD. Viewsonics don't cost that much and now you can get 18.5 inch widw screen acer or other brand lcds for 89$.\015\012 ... ViewSonic VG150 15" LCD Monitor

Monitor stays on for a few seconds then goes out


This problem is very often caused by dry electrolytic capacitors on the inverter board. If you have some skill with soldering you could try to change them. When buying new ones ask for LOW-ESR capacitors for switching mode power supplies (SMPS) and 1 ... Acer AL1711 17" Flat Panel LCD Monitor

Screen greys out exactly half vertically. Usable but very annoying. How do I get rid of it? It is an LG Premium Artistic series LX40 flatscreen monitor


Janet_mcc, I suspect that one of two "cold-cathode-fluorescent-lamps" that are hung on the rear of your LX40 "back-lit" LCD panel fails to light due to a failure in a circuit called an "inverter" circuit. Use warranty FIRST if valid option!!! If not, ... LG Computer Monitors

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Bburgert, Hi, 12fixlouie here. Possible problem with "switch-mode-power-supply" or the "cold-cathode-fluorescent-lamp" power supply that is called the "inverter circuit" which lights-up the CCFL lamps. use warranty service if possible. Yes, it cou ... Computer Monitors

Back light goes out after about 15 minutes. - MegaVision MV174 (Carbon, Silver) 17 in. Flat Panel LCD Monitor


Ayonbaxter, You will need to determine if unit has one or more of these things as the cause of your BACKLIGHT FAILURE. 1. Bad solder joint on printed circuit board. 2. Swollen, leaky electrolytic filter capacitors on switch-mode-power-supply/invert ... MegaVision MV174 (Carbon, Silver) 17 in. Flat Panel LCD Monitor

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Grier_r, If unit is a LCD type and has fluorescent lamps supplying WHITE light so you can see all the pretty colors on the screen, you should NOT need to WAIT more than 2 to 3 seconds for unit to come "ON". IT needs to be investiated by a Electronic ... Computer Monitors

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Filmorepetty, The "switch-mode-power-supply" has gone into SHUTDOWN mode because it has detected a fault with itself or another circuit. Or it could have just blown a small fuse on the circuit board of the SMPS. Will the pilot lamp light-up? Did it ... Dell E153FP 15" LCD Monitor

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Kcs36dd, Lcd TV's also have, just like LCD monitors, an AC to DC voltage power supply. It is called a "switch-mode-power-supply" and generates the DC voltages required for all the other important electronic circuits inside the unit. 98% of all 14" to ... Samsung 153b-sliver (Silver) 15 in. Flat Panel LCD Monitor

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Risuchjans, Not much. It's broke! If your not any good with a soldering iron, solder wick, solder ******, solder, LCD multimeter, then you should have a tech type look for bad (COLD) solder joints and bad capacitors on the "switch-mode-power-supply" ... Computer Monitors

We have a relysis 1520 15" TFT, sound ok but no sign of a picture


Peterobin378, Gee, wiz, sounds as if you have internal power supply failure. Inverter circuit can't source voltage and current to light-up the "cold cathode-fluorescent-lamps" anymore. Inspect it for BAD swollen, leaky electrolytic filter capacitors ... Relisys RLT-1500 15" LCD Monitor

My Acer X203HB monitor keeps turing itself off, then turning on and loading for about 5 seconds, then turning off again. it does it randomly and when it chooses! ive tried different screens and they work straight away.


Danny_gormle, Hi there. Your lcd display "switch-mode-power-supply" is mostlikely detecting a FAULT with itself or the "cold-cathode-fluorescent-lamp" ballast circuit (called the INVERTER) and is going into what is known as SHUTDOWN mode to try and s ... Acer Computer Monitors

My monitor has no picture and a flashing orange light


Koakes898, Here is a clue!! Have you seen the new style Curlie-Q compact fluorescent (CFL) screw-in light bulbs at the nearby Home Depot or Menards. Can you imagine them having long, thin, straight tubes and providing WHITE LIGHT on the opposite side ... Gateway FPD2275W LCD Monitor

I have a 3 yr Dell UltraSharp 1905FP LCD monitor. Recently, when I turn it on, the power on green light would blink continuously for about 1 minute with no picture before the light become steady green and have picture (everything working). Now it is up to 5 minutes. Other than waiting for the monitor to display the video, everything is fine. It acts like it is waiting for something to warm up. Does anyone know what is the problem? Thanks.


Yman1949, Your 1905FP unit is not working as it was designed to do! Here is something you can relate your problem to. The white light needed to see what is on your lcd panel is produced by "cold-cathode-fluorescent-lamps" (2) that require 600-1200va ... Dell UltraSharp 1905FP 19" LCD Monitor

I have a viewsonic vg150 and the led on the board is lighting but the power don't come on what could be the problem.


Greg_olive, Possible failure of "cold-cathode-fluorescent-lamp" power supply called INVERTER CIRCUIT inside of monitor. If "lay on floor" black brick "switch-mode-power-supply" detects fault with CCFL inverter it will go into full or partial "shutdow ... ViewSonic VG150 15" LCD Monitor

The power cable is tested OK and works, but no power into the Monitor, this must be an internal problem or is there some reset that I do not know of, the monitor is 2 years old since purchase. Can this be fixed?


Cprogs, Check your warranty with LG (Lucky Goldstar) and hope they don't say "You bought it, You own it, Toyota!!!" Check to see if they have a swapout program for black screen of death "premature monitor failures." This unit could have a "switch-m ... LG L1919S LCD Monitor

I came in and it was asleep so I hit the space bar and the light indicated it was coming on and I got a little block on screen that says no signal and then black. I had an old small lcd monitor and it works fine!


Smithlanneau, You didn't state that you ALWAYS used the space-bar or even the mouse to WAKE-UP the monitor from sleep-mode. If and when strange things start to happen when using an LCD display, the VERY FIRST PLACE I start looking is in the "switch-m ... LG Flatron L1951S-SN 19" LCD Flat Panel Monitor

My monitor shows a blank screen .But when I press the RGB, DVI button, I can see my desktop for a second then it stops displaying. I have to keep pressing the button to change the display type in order to see any screen, but it only lasts for a second between button pressing.


Moneyshaker, Maybe your screen (LCD panel) is not blank, just BLACK!!! First thing to do is the flashlight test! With monitor connected to a KNOWN GOOD fully booted pc with WIN-desktop showing, reconnect N9 lcd to pc. Then and only then turn on N9 lc ... Scanport N9 19" LCD Monitor

Monitor keeps turning off. If I turn it back on


Dharral4588, Common problem with "cold-cathode-fluorescent-lamp" "backlit" LCD monitors. Read more of my fixya profile and visit the links you will find there. Your unit no different than any other brand!!!!! The good thing is this! Your unit WORKS ... Computer Monitors

Monitor comes on when computer powers up then goes black


Bickley_tl, If ACER warranty is in effect, use IT FIRST!! They should replace it with new or refurbished unit. Also you should find out how to do the LCD panel "flashlight test" to evaluate the state of the units "switch-mode-power-supply" that EVER ... Acer AL2216W LCD Monitor

Raymarine E120, after 4h on display went dark in


Blubaju, probably cold-cathode-fluorescent-lamp backlight failure! if unit dosen't have electro-luminescent style backlighting. All LCD panels require WHITE light to see what is on the screen!!! Is same common problem that computer (pc) lcd monitors ... Raymarine M1500 15 in. Flat Panel LCD Monitor

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Mike_garzan, Your monitor will need some work done on it!! Do you know the "flashlight trick" that every owner of an LCD monitor with "cold cathode-fluorescent-lamps" should know how to do when the BLACK screen of death makes it presence known? Do th ... Elo TTX 9154 15 Inch LCD BLACK W/ RESISTIVE SERIAL Interface Monitor

My Acer AL1714 monitor was given to me, the person that gave it to me said last time the last time it was connected it work but the monitor had been stored for about 2 years. So I bought a 19V-2.3A power cord and video cable, hooked it up to computer hit the power button the green light comes on 3-5 seconds then turns orange. I unplugged the cord from the surge protector plugged it back up, the word Acer appears on the screen then disappears screen turns black just like before. Each time you tur


Mccampbell71 Probably a failure of inverter circuit(dc to ac 600-1100vac) to light-up (sustain) "cold-cathode-fluorescent lamps" causing the "switch-mode-power-supply" to go into full or partial SHUTDOWN mode. Black Screen of Death strikes again!!! T ... Acer AL1714 17" LCD Monitor

The monitor will come on for a couple of seconds and then go off. the power flickered to it a couple of times before this happened.


Roylkimcrouc, Yes! You too will need to go visit YOUTUBE and view some video clips (6-10min ones) of "LCD monitor disassembly" and "LCD monitor repair" JUST FYI !! Also try ... Dell E173FP 17" LCD Flat Panel Monitor

I get sound, can change the channels, etc, but my Polaroid television screen has no picture whatsoever; it's just a black screen.


Lubbarlubab, Looks like you will need to get a power supply repaired/replaced in your unit. Before you call out the service guy, you should spend 30-40minutes at YOUTUBE and view some "LCD-TV repair" videos and also videos of "LCD monitor repair" and ... Zenith L13V36 13" Flat Panel LCD Monitor

Hello My Chimei dispay show sup for a second when I boot my PC, then returns to black screen. I swicth it Off and then On again some times,so do I with tehg PC and sometimes this help getting the display show up constantly. By the way A slight noise (wooshh) can be heard each time it switches On for a while. Can you help me? Thanks Shlomo Am-Shalem


Idith, I will assume that your Chimei is a LCD type with CCFL backlighting and not a CRT or PLASMA type. I think that the unit has a thermally intermittant solder connection and /or BAD capacitors on the "switch-mode-power-supply" and or the "cold-ca ... Computer Monitors
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