Question about LG MZ-42PZ44 42 in. EDTV-Ready Plasma Television

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The tv has audio but not image

I can turn on/off the tv. The lights turn into red/ green etc. There's sound but there's no image.

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If it has sound it is not the power supply so most likely it is a lamp. these can be a bit costly. check around on price. sometimes its just cheaper to by a new set.good luck

Posted on May 04, 2010

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Posted on Jan 02, 2017

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Unfortunately it sounds like your power board has died.

Contact LG, or if you're comfortable with it, open up your TV and look for swollen capacitors. You could replace those, or simply replace the board that they're on.

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When I power on my Sony Bravia TV, I can see the green power light in the front, but no picture and no audio, what do I do?


Hi Sai,
You have done what you could do. Here on please let the TV tech take over. Because you need to check the power board and the main board with a multi meter before diagnosing the fault. Good Luck.

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No picture no sound loud humming sound for a short period when you turn it on than a orange light flashing at bottom where the blue light is when you turn it on.


AV cables reversed perhaps. Sounds like VIDEO (Yellow, Green, Blue or Red) cable is plugged into the AUDIO section. Perhaps you have switched the RED (Left audio) cable plugged into the RED (Component) Video cables. This would account for the loud buzz and since the set isn't getting an image it goes into standby mode. Just a thought.

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Our CAL232 TV will not turn on. When pressing the power button, you can see a red light and a green light, but the screen doesn't start up as normal. The TV then tries again after about 20 seconds, but...


Hello,

My LOEWE CAL 232 will not power up. When the power button is pressed, the monitor turns on, with the LOEWE on the monitor, then the TV continues with the previous activity (antenna, DVD, VCR etc.). Now all that happens is

1. the red light comes on

2.after about 1 second the green light turns on for about 12 seconds

3. the the green light turns off for about 1 second

4. then the green light turns on again for about 12 seconds

and this continues until the power button is pressed to turn the TV off. During this time, the monitor does not turn on and the only sound I hear seems to eminate from the power button.

Any thoughts?

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1 Answer

I have a HCN4727w samsung. Red/green shadowing. Bowed image


Projection sets have two very common problems.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 17, 2010 | Samsung HCN4226W 42" Rear Projection...

1 Answer

How do i hook up a nintendo to my tv which cords go where and can someone walk me through it


Round peg into the round hole. Red peg on the red slot. etc. If the wire from the nintendo doesn't fit the slot on the tv then you're in the wrong slot. if the wire from the nintendo fits the slot on the tv (and is the same color if you are using red/white/yellow rca cables) then you're good. here's a hint on connection types (you will not mix): 1. RCA (red/white/yellow round connectors) Red=right audio sound White=left audio sound Yellow=video connect to the slots that look like they want some. 2. Coaxial (stiff cable with a pinner poking out of the end -- same cable that connects you to cable tv) just hook it up by itself; it carries audio and video. 3. Component (red/green/blue)(red/white) two 'bundles' red=red component of video green=green component of video blue=blue component of video red=right audio white=left audio 4. VGA + (red/white) VGA=video (computer monitor cable) red=right audio white=left audio 5. HDMI (flat hdmi cable. you spent $30 on this 3 foot ****) HDMI=audio and video 6. hugs and kisses hugs=video kisses=audio (both sides)

Jul 15, 2009 | Video Game Consoles & Games

1 Answer

Samsung HCN4727W Rear Projection TV, green screen, audio works


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 10, 2009 | Samsung HL-R4667W Rear Projection...

1 Answer

Lack of Sound


you need to plug in the red and white (right and left audio, respectivly) to either the tv or a home theater or sound/surround system.

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1 Answer

Toshiba dlp red light green light on and off no image


It was the lamp cover original response was right on point

Nov 29, 2008 | Televison & Video

1 Answer

Lamp Light Red - No Screen Image


It could be the a problem with the lamp ballist circuit, or just a bad lamp socket, or simply a bad lamp. The only way to tell is to call out a servicer as that would be alot less expensive then to get a new lamp and then that not be the problem. These problems can be a little hair pulling at times, thats why i have no hair left!! LOL Good Luck

Mar 21, 2007 | Mitsubishi WD-62525 62" Rear Projection...

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