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My tv is tcl it is tuning ok but it not raster

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Check its horizontal output circuit. Line Output Transformer is not working now. Cehck for its reasons. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1100 posts to different brand TVs now. Pull up older posts there

Posted on Nov 10, 2012

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Posted on Jan 02, 2017

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When tv is powered on tv only displaying channel number and sound -no raster. using video mode displays are ok. sound is also ok


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. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Dec 06, 2014 | Sharp Televison & Video

1 Answer

How can i fix my tcl tv, no volume up vert height, language text, no ch search,


If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

May 25, 2014 | LG 30FS1D TV

1 Answer

Toshiba 24" led tv mo. 24ps1e VGA is ok raster snow is ok ,after connection of cable only chroma picture seen,no Y signal.


Try to reset it to the factory settings and Them remove the power cable for atleast 5 minutes but Will be better to power OFF for 12 hours

Jul 18, 2013 | Televison & Video

1 Answer

AUTO TUNING WONT RUN


Check and replace its main system control memory IC. If this IC is faulty, auto tuning will not work, or, the TV will store any received channels. If the TV do not tune into channels too, the AGC voltage to its tuner, and tuner itself should be checked.

May 27, 2013 | TCL L32D20

1 Answer

Hannspree TV tuning from aerial problem.


do you mean if you hooked up the tv with the aerial antenna can not get any channel? ok if just a white raster only and doesn't scan or tuned even manually and auto search, the cause is bad tuner.

Sep 06, 2012 | Hannspree Televison & Video

1 Answer

Tcl tv - have just lost the picture for win tv and related channels only still have the sound


Call TCL for a firmware update, which will fix the problem. They will send it out for free, along with a serial cable. You will need a PC or laptop with a serial (RS-232) port to perform the update.
The issue is that WIN, GO and GEM are broadcast on a frequency off-set by 125kHz from normal. TCL TVs cannot tune to xxx125kHZ, only multiples of 500kHz.

Jan 30, 2011 | Televison & Video

1 Answer

When I turn the tv on (vega fd trinitron) the scren is all snow. There is no signal.


Hello
Have you tested it with auto tuning progremme process. If it snow there, your TV may be working properly. Sometimes its signal input path is not Ok. Without any signal, all TVs may show either snow, or a plane blue raster if its blue back function is on. You just do the automatic tuning process once again after connecting it with an external or internal antenna. There is a socket provided there in the back side of your TV, and marked as VHF/UHF. Connect the signal source to it first.
And set your TV to autotune by slecting it from the menu of your TV. The TV will search for all the channels available at that time, and after searching is completed, it will stop and show the first channel received. Afterwards you can chage or delete or skip unwanted channels. You may have its manual with you. All the descriptions are there in that manual. Ok.

Oct 30, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Blank raster


check eeprom

Dec 21, 2007 | Televison & Video

1 Answer

NO PICTURE


do you see anything on screen.no picture doesnt mean no raster ,raster mean anything that comes out in display.no raster with sound only mean failure in either,connection in heater which means, loose connection or some new sets declare failure in vertical circuit.so be more specific ok?

May 08, 2007 | Sony FD Trinitron WEGA XBRKV-40XBR800 40"...

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