Question about LG 30FS1D TV

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How to repair the tuner horizontal

Tcl tv model ec 2918

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  • Anonymous Mar 06, 2009

    my dell 50' sound and picture went out

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  • Master
  • 790 Answers

Hi

can you tell me what is your exact complaint in to your tv?

thanks!

Posted on Feb 25, 2009

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6ya6ya
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Posted on Jan 02, 2017

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TCL CRT TV just shows a black screen but sound is ok! ANy idea what could be the problem! please assist to solve this probelm as i don't want to loose my old TV!


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site.

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My crt tv tcl 2927u apparently shut off.after a few minute i turn it on .but no picture appear on screen only the stand by led flashes continuesly


what you can do is a service repair in the tv which the power supply failed or the their is a problem in the horizontal section. if you don't have an idea in electronic repair just leave it to the trained tv technician to fix the problem sine it needs trouble shooting.

May 22, 2013 | Televison & Video

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My tv the screen there are line and sometime no draw?


If there are lines on the screen [parellel lines across the screen horizontally, at about an inch or so apart], your tv needs screen adjustment. Its screen voltage is now high. It can be brought low by adjustments. There is a screen adjustment control, usually integrated with Line Output Transformer. If you know, you yourself can adjust this. It is an internal adjustment and need to open the back cover of the TV. Don't use your TV for long time without rectifying this problem. It may get picture tube damaged. The electron guns inside the picture tube neck will get red hot and its emmision will be reduced.

Oct 18, 2010 | Sharp 32C241 TV

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TCL TV


this s gizmofreak
the solution for the above problem
please refer the followin site

http://www.koders.com/kv.aspx?fid=BA11572BC5D5E4D6AAF4013F27B51C926C903899&s=aegp+aaf

please do me the rating.

Feb 02, 2009 | LG 30FS1D TV

1 Answer

RCA MODEL F31672ET


You have a Tuner on Board that needs reworked. You must remove the bottom shield and resolder about 20 points. As for the sound problem you may by now have a bad eeprom [location U3201]. We may be out of Horizontal Frequency as well. First fix the tuner then replace the eeprom.[Iwould install an eight pin IC socket upon removal of eeprom, then you can insert or remove the new eeprom anytime after this]. And also check capacitors C4404 200V at 2.2MF, C4105 200V 10MF Will be bad in this case, C4127 and C4709 these may be weak. This shuld repair your TV. PS the eeprom part# is 223957. Before you change the eeprom see if you can get a good picture after resoldering the Tuner. This is delicate work so be careful or you will destroy the TV. If you do have a good video and no sound, clip R1915, this will defeat the mute,but sound will return. Just so you know repairing this TV is quite complicated good luck.

Dec 23, 2008 | RCA F31672ET TV

1 Answer

TV: vertical colored lines on TOSHIBA TV Model 36ZP46P


HAI,1.REPLACE SOME CAPICTORS IN HORIZONTAL SECTION.
       2.ADJUST FOCUS ON LOD(EHT TRANSFORMER).
       3.REPLACE HORIZONTAL OUTPUT TRANSISTOR.

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I WANT THE SERVICE MODE CODE FOR MODEL NO: DP21E101 TCL TV 21"

Jun 15, 2008 | LG 30FS1D TV

1 Answer

No Picture but have sound


OK I got my first TV, first to repair myself that is, and I have no training at all but am kind of a tech dork wannabe. So I checked and I have sound but no signal through the TV tuner, so I hooked up my Zenith VCR to aux 1 and sound with signal appeared, the VCR tuner still works :) so I am leaning toward the TV tuner. It is visibly damaged, and I'm hoping it is as simple as a broken connection. I also noticed a vertical flash and pattern of horizontal lines when it is turned off (white). sooooo I push on.... help!!!!!!!!!!!!! :>}

May 02, 2008 | Televison & Video

1 Answer

Cable setuo for model 27r410t


Get an antenna hooked up, even rabbit ears should pull in a few analog channels. Set top boxes will only output Ch 3 (switcheable to ch 4 on the back if needed) and cable may be dead or only give you scrambled CATV channels. You need to set your tuner to "antenna", not CATV, IRC,HRC, or ATSC (if you have a digital tuner) and do the setup again. You could have a bad tuner at worst, and all is not lost, just hook up a VCR via RCA cables and use the VCR tuner to change channels. Keep TV on Ch3.

Feb 12, 2008 | Televison & Video

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