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NO PICTURE SOUND OKAY VS AND VA OKAY

Sound No picture screen went bright orange the no picture I thank anyone that can help

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Change the colour wheel its worn u will need a tech to do it

Posted on Jul 19, 2013

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Tv no picture but sound


hi, mate,

when you reparing you have to do meassurement not just swap. you waste your too much money like this! how much va, vs, vsc..especially vsc?

Feb 01, 2014 | Televison & Video

1 Answer

No picture have sound hp t5064


I have a samsung hp-t5064 with sound and no picture. I purchased a service manual and went through the check list of solving the problem. It tells you to remove 4 plugs from the SMPS board (cn810, cn809, cn808, cn807) and you should get dc voltages at test pin (Vs 207VDC) and test pin (Va 63VDC). If you do not get these voltages at these two pins you should replace the SMPS borad. My question is when all plugs are unpluged I get Vs 0VDC and Va 63VDC but when I start plugging in the plugs one by one nothing changes as far as voltages until I plug in the CN807 Main board and the voltages are at normal Vs207VDC and Va 63VDC. I am asuming the SMPS board is bad. Would I be correct?

Oct 23, 2010 | Samsung HP-T5064 50 in. Plasma HDTV

1 Answer

LG 50PG25 Plasma TV, black screen sound still works.


this faint picture issue is usually caused by a bad z sustain board. it is the smaller scan board on the right side of the tv when viewed from the back. it has some large cables that energize the plasma panel, dont confuse with the y sustain which has the tiny ribbon cables that address each line of the picture.
there should be a # on the board indicating the part number, plug it into a search engine to find parts.

this could also be a low voltage or something else, check the Vs and Va voltages and confirm theyre correct with the ones listed on the sticker inside the tv. Be careful this is dangerous and you can get shocked if you not familliar. The heatsinks can be energized and shock you , exercise caution. if you order a z sus board, make sure you can return if it doesn't fix. I'd say 95% chance its a z sus

May 21, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

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While checking Vscan voltages on my LG du-42px12x picture died.


I have the same problem the pic went out but have sound. where do i go to get the Yboard? do i need a special number off of it or something? I took it to repair shop and he said it would be like 500 dollarss to repair. but i see all kind of yboards on ebay for like 150?? how do I know what one to buy?

Mar 15, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

To make a long story short originally bought the LG du-42px12x with a bad ysus board(no picture just sound) replaced the ysus now the picture and sound work great but there are colorful dots all over the...


Sounds like the y sus was blown out but what cause it. Were you careful when you were checking voltages? As long as you didn't short 2 components together, your y sus should be fine. Unless the y buffer up and/or down blew them out. Even the panel could blow it.

Basically you need a scope to adjust the ramps and everything. You can adjust VA and VS with a meter. If you don't have access to a scope, then just start changing the ramps etc by eye. It might take a little bit to get but eventually you'll get it.

Mar 13, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

I have a samsung l42v7 There is no picture. Sound okay


CHECK FOR ANY BACKLIGHTS, SOUNDS LIKE INVERTER BOARD OR POWER SUPPLY

Dec 30, 2009 | Televison & Video

1 Answer

Mitshubishi VS-6041 No picture, sound ok


It has been my experience with that model mitsubishi that the usual culprit is loss of vertical sweep. If the beams in the picture tubes stops moving up and down this is detected by the micro processor and the video is blanked, but the set is not shut down. The usual cause of loss of vertical sweep is bad solder connections on the deflection yokes or a failed vertical output IC.

May 27, 2009 | Mitsubishi VS-6041 60" Rear Projection...

1 Answer

S.O.S anyone out there


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 03, 2008 | Mitsubishi VS-55705 55" Rear Projection...

1 Answer

No picture but sound works.....


  • adjust brightness setting when playing tv.
  • adjust screen control located on flyback transformer.
  • hope this will help.

Oct 23, 2007 | Sony KV-36FS16 36" TV

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