Question about Dynex DX-LCD32-09 LCD TV

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Will power up then gos to stand by mode but no show on screen do these lcd have lamp/bulb

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It has CCFL (Cold Cathode Fluorescent Lamp) similar to your home Fluorescent lamps in your home.
Most problem with no picture is due to bad power supply not supply 24vdc to the Backlight Inverter board or bad backlight inverter board, that is what you have to determine.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

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

Parts: www.shopjimmy.com

Posted on Jul 10, 2010

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Posted on Jan 02, 2017

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My Mitsubishi tv WD 73734 won't show a picture you can hear sound and it powers on and off lamp light red and timer lighter blinking


No TVs will behave that way due to a timer. TVs only will display a nag screen telling you to reset the timer. If your lamp is more than 2 years old, it is suspect of failure. Be sure you buy a lamp with an Osram brand or Philips brand bulb inside. Any compatible(knockoff)lamps will not perform as they should. Mitsubishi DLP TV Bulbs
These folks sell original Osram bulbs in their lamps and they have a 6 month warranty. I use them myself for repairs and really have had great experiences with them.

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Screen GO'S Black then the sound & tv go's off


check the door switch for the bulb, if it is not contacting with the switch the tv will turn off. it somtimes dont catch the switch when you put the door back on.

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My tv comes on very dim then gos off with a red flashing light


hi it's detected a lamp error if you press and hold source button while holding volume down button then press the power on it brings you into the service mode you will see a k on the screen this will tell you your in service mode then press channel down you should see 1/5 lamp error. when you've check this come back to me i'll show you how to repair it hope it helps

regards
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ONIDA 22"LCD


There could have been a power supply failure.

Jan 10, 2014 | Televison & Video

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I have sony lcd hd ready 50inch rear projector tv model number KDF-E50A12U tv comes on after couple minuets tv clicks off to stand by then red light in stand by flashs 3 times gos back to green repets


Hello
Three blinks of standby light to Sony TVs indicates that the regulated voltage output from power regulator board is above thatn normal. The problem is with its power supply regulator board. Replace all the electrolytic cpacitors on that board with new ones. Replace all of them including small and large ones, at one time. OK.

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I am trying to figure out how to replace my replacement lamp, but do not know where it is located.


Hi,

Lamp Access door for Sony KF50WE610 is below the screen on the front of the TV. This page shows location of Lamp access door and DIY bulb change instructions for most SONY LCD TVs:

DIY Bulb Installation Guide

XL-2000 XL-2100 XL-2200

XL-2400 XL-2500 XL-5000

XL-5100 XL-5200 XL-5300

This page shows Lamps and bulbs for all Sony LCD Projection TVs

Sony Lamp Gallery

Look at Optical Engine Faults before buying a lamp or bulb. Replacement bulb will not repair these problems.

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1 Answer

My screen on my laptop just went all black with a very faint image. what is wrong there, how do i fix it, and what made this happen?


A) What is wrong?;
Your Backlight has gone bad, or the Inverter.

B) How do I fix it?
Replace the Backlight bulb, or the Inverter

C) Backlight bulb's, and Inverters, like everything have a 'lifespan'
This one is at the end of it's. (Stating the Backlight or the Inverter

From here all I can give you is Generic information, since I do not have the laptop manufacturer name, and Model Number. This is on the bottom of the laptop.

1) An LCD screen cannot produce enough light by itself. A Backlight bulb, (Or more than one), is used to emit enough light.

2) A laptop cannot produce enough power to power the LCD screen, and is also used for power to the Backlight.

I'll have to discuss the way the Display Assembly is put together, and name parts in order to explain the following of how to repair. Again, generic information.

1a) The plastic top of the laptop is the Top Cover. There are different names used by different manufacturers.

1b) Looking at the LCD screen with the laptop open, there is a plastic frame that goes around the edges of the LCD screen, and is in Front.
This is the Display Bezel

1c) The LCD screen is behind the Display Bezel. The LCD screen is a composite of layers. The outside layer that faces you is a protective screen.
Around these layers composing the LCD screen, is a metal frame.
One side, (Or both sides) of the metal frame is removed to access the Backlight bulb.

1d) The Backlight bulb is a CCFL.
Cold Cathode Fluorescent Lamp.
Very similar to the fluorescent lamps, (Bulbs) uses in residential, and commercial applications, but on a MUCH smaller scale.

Now to show you generic laptop info on replacing the Backlight bulb for them.

A) http://www.insidemylaptop.com/category/backlight/

B) http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

If I had the laptop manufacturer name, and Model Number, I could try to give you a link to the Service Manual for the laptop. (Free. Usually from the laptop manufacturer)
This way you would have Exact info on how to disassemble your laptop's Display Assembly.
Post in a Comment.

Oct 13, 2010 | Computers & Internet

1 Answer

I replaced a lamp on a Zenith Projection LCD TV model # D52wlcd. The new bulb is working fine. However, the end of bulb life indicator light ( orange ) would not go off. Any advise on how to reset the...


Resetting the lamp time
After pressing the "?" key on the remote control in Stand-By mode, press the "9876"
and press the "OK" button.
And then three LED in the front is stop after flashing for a moment.* Lamp Life Time Confirmation
1. Method1 : Enter ADJ mode with using the remote control. You can be confirmed
because " Lamp Life Time XX hr" is appeared.
2. Method2 : With using the remote control offered to consumer if you press the
menu button continuously, OSD menus will disappear then press the "9876" and
press the "OK" button to enter ADJ mode you can see "Lamp Life Time XX hr"

Oct 13, 2010 | Televison & Video

1 Answer

Projector will not project light (Mitsubishi LVP-X80U) LCD Proje.


Hello toma_leonard,

First check your lamp to make sure it is seated properly in the socket.
Then check all of your interlocks (see your manual for locations), these are usually located on any hatches or doors that allow access to the lamp and or fan area. Once you check your interlocks make sure the filter and fan area is clear of dust, (some projectors have air flow sensors), and the recheck the interlocks. Once this is done , If the interlocks are not broken, or the lamp fuse blown, the projector should be working. If not it is the lamp that needs changing.

I know this may be expensive, however these lamps do go bad, as much as we wish they would not.

If you still feel it is not the lamp, have a technician check the voltage levels to the lamp and the levels of the control board circuitry.

I hope this helps,

Thank you,

Shuttle83

Nov 20, 2008 | Mitsubishi LVP-X80U Multimedia Projector

1 Answer

Epson ELP-3300 powers up bulb light is green but stays on stand by


Hi djSilver

Try resetting the lamp timer.

This normally solves this problem.

Apr 22, 2008 | Office Equipment & Supplies

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