Question about Samsung TXN2771HF 27" TV

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*HELP* No Picture, Turns on, No Pic whatsoever.

Ill be detailed as possible. This model Samsung TXN2771HF is notorious for the TouchLite membrane problems, which finally got to the point of constantly trying to change the channel. I finally opened it up, eyeball the wires, disconnect the membrane, and reassemble. Did a quick power on before putting TV back in its place, seemed normal with no inputs, just displaying the input mode in the top left corner. Put the the TV back where it belongs, power on, bam no picture. I then took apart and succesfully reatached the membrane(noted by the constant lit up channel up lights). Reassemble again and plugin but no picture whatsoever, the input mode seemed to work (noted by cycling enough times to hear the 'air' on the tv mode) however no S-Video indication, no 'green screen' when in component mode without signal, just pitch black screen. I can hear it turning on, the static accumulates on the screen as normal, there is no *click click* then off, it seems like it is legitly on, the power button is respondant with appropriate static charge/discharge when appropriate. Hopefully something just got loose when i physicalled relocated the TV after my "job". I only have basic experience with TV repair, mainly in resoldering broken jacks and what not. Sorry for the long post but this TV is my baby and id hate to replace, seeing as an equivalant with my 7 inputs (1 S-Video, 3 RCA, 2 component, Coax, and monitor outs) is out of my price range...any input appreciated.

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Re: *HELP* No Picture, Turns on, No Pic whatsoever.

You didnt mention if your audio is o.k. if has no video and audio the problem is in the flyback? yoke? HV section. i need to check it personaly. post more forum so i can determine the problem.

Posted on Mar 05, 2007

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Bottom 4 inches of screen blurry on Samsung TXN2771HF. I thought it might be my Direct TV service, but found that problem existed with the DVD player too.

Ther are two focus adjustments on the HV transformer to try.......a technician will center them both then tweek them either way for best over all focus.........your crt(picture tube is probably aging or focus anodes out of range....but we need to try this first

Jun 07, 2010 | Samsung TXN2771HF 27" TV

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I have a Samsung TXN2771HF 27" TV and the picture has shrunk to an oval shape in the center of the screen. Above is your Samsung support site, please go here and download your user manual, so you know all codes etc to service. Then below is a link for a Training repair manual, this will show you how to troubleshoot your issue. The problem, well symptom, is indicative of a failure in the Horizontal Drive circuitry however what exactly has "Caused" it to fail is what must be determined.,
Using the manuals you should work through all troubleshooting steps, ALWAYS start at the Power Supply, and check if the Voltages there are correct, as if they ate NOT, Nothing else can be...
But, trying to repair yourself, is extremely difficult, in any event, so, it is nearly always my professional opinion that one should always get, things attended too by a professional, and obtain a free, "Quote" from the manufacturers recommended service center, Samsung, in your case, please contact a local or head office and ask for a referral to an Authorised service center. I cannot stress how important that last point is. It is even worth the cost of shipping. You see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace.

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Linearity circuit problem. Take service center guidance

Apr 30, 2010 | Samsung TXN2771HF 27" TV

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I have a Samsung 27" TV and need to set it on channel 73 to get a picture from my Satelite Dish. The highest channel the tv goes to is 69.

Set the TV to cable tuning mode and use that channel 73. You have it set for air now so it can only tune to channel 69.

Apr 26, 2009 | Samsung TXN2771HF 27" TV

1 Answer

The convergence is out

The most likely cause is shorted convergence chips and possibly a few pico fuses.

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 a convergenece repair kit with instructions from the links 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

You can see some more examples and find a fix herebb0cf99.png

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Dec 15, 2007 | Samsung TXN2771HF 27" TV

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Need to replace membrane and switch assembly

it can be obtained by any tv spare parts shop. of course you will have to show him the size of membrane and switch assembly. no special instructions. any skilled person can do it knowing about it.

Sep 24, 2007 | Samsung TXN2771HF 27" TV

1 Answer

No Picture, No Sound...Please Help

The most common problem this set has is the Horizontal Output shorting, usually caused by the High Voltage transformer drawing to much current. Whether it's the high voltage circuit or the power supply, having a tech look at this set would not be cost effective. Start looking at the newer technology. Hope this helped.

May 12, 2007 | Samsung TXN2771HF 27" TV

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