Question about LG 42LC7D-UB Television

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When i go to turn my tv on, the little green blinks a few times and then goes solid. but there is no picture or sound....please help!

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Sounds like a blown bulb in the t.v.

Posted on Apr 01, 2011

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Posted on Jan 02, 2017

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When I turn on my 50" Plasma TV the light goes from red to green. The Green LED flashes 14 times then solid. There is a white raster but no picture or sound.


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

May 16, 2015 | Zenith Z50P3 50 in. Plasma TV

Tip

I have a Mitsubishi WS 65711 When I power on the TV the green light (power...


Most of the Mitsubishi rear projection sets made from about 2000 through 2006 have a self diagnostic check feature. It will indicate if there is a error or not and point you in the direction of your trouble.

Based on the error code I or others can tell you more based on the error code and the EXACT model number of the set.

Here is what you do if it turns on for a few seconds and then the power light goes off.

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

PRESS AND HOLD “Menu and Input"(or device) buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

If someone has one of these codes and needs help let me know.

SD TECH

on Dec 20, 2009 | Televison & Video

1 Answer

Mitsubishi projection T.V


check the lamp first to see if intact or shattered.

Mar 31, 2012 | Mitsubishi Televison & Video

1 Answer

Sony Grand Vega green light blinks on and then blinks red


Please intimate exact model of your Sony TV and also mention how many times red light blinks as there would be pause of 3 seconds in blinks so count pause to pause and let me know to find out problem.
How old is this TV and did you replaced its lamp?
Thanks.

Sep 14, 2009 | Sony Grand WEGA KF60WE610 60" Rear...

1 Answer

No picture but sound


most likely the color wheel needs replacing.

Aug 08, 2009 | RCA HD61LPW42 61" Rear Projection HDTV

1 Answer

Sound and picture on and off green light blinks


1st try this....unplug tv...hold power button for 10 seconds...wait 2 minutes....plug back in, if this doesn't fix it you probably need to replace the lamp

Jul 13, 2009 | Sony Grand WEGA KDF-55WF655 36" Rear...

1 Answer

Tv is on, after a few minutes it goes black and there is no sound. The indicator lamp is still green and stays solid the entire time. Without turning the TV off, in about a minute, you hear a small buzzing...


Someone else gave me the tip as I had the EXACT problem, but no buzzing. Unscrew the panel on the front bottom of the tv. Once that is off, there is another screw that opens a little panel. Unscrew the single screw with an allen wrench and pop out the bulb and casing. Mine was full of dust etc. Used an LCD cloth, but compressed air would do the same thing, put it back together and it works great!

Jun 11, 2009 | Sony KDF-E55A20 55 in. LCD Television

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