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Convergence IC's went out I need the schematics for AV-48WP34

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My samsung rear projection tv has a problem with its convergence ic. i think theres two ics , but how do i tell which ic need replacing??

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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I HAVE AN AKAI HD TV DVB-T32W. When I started out first time, it autoscans but found no channel. press DTV or ATV, it,says "No channel. need to rescan". But nothing happens, thanks


Main system control memory IC fault. This is a very small IC; have 8 solder terminals, and can be located very near to the main system control-chroma IC. Check and replace it. Be sure to replace it with the same number printed on it; in all respect. Otherwise, it won't go. http://electronicshelponline.blogspot.com/ Before replacing it, try a reset to this set, and then check.
There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here.

Jan 09, 2017 | Akai Televison & Video

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Telefunken crt model Ttv280 Frame collapse how will i know if is the vertical ic or the jungle ic


Absence of Vertical scan output signal. You have to check its vertical scan output section circuit to detect and rectify this fault.
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. The search result might display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.
Similar fault symptoms and repair work has been described by the author.

Jan 09, 2017 | Televison & Video

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Truetech 10 inch under the counter tv is stuck on channel 2. I need 3. Channel buttons on tv & remote do not change 2 to channel 3. Unplugging, Resetting hasn't worked Any ideas?


Main system control memory IC fault. This is a very small IC; have 8 solder terminals, and can be located very near to the main system control-chroma IC. Check and replace it. Be sure to replace it with the same number printed on it; in all respect. Otherwise, it won't go. http://electronicshelponline.blogspot.com/ Before replacing it, try a reset to this set, and then check.
There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here.

Jan 08, 2017 | Televison & Video

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Sansui sv29281 has a top foldover. I have replaced a faulty 1uf electrolytic cap in the vertical circuit but still have a problem.


Check and replace all the electrolytic capacitors at the vertical scan output section circuit at one time. Check the all the solder terminals to the vertical scan output IC for loose soldering.
If you wish to get more service details, visit the site linked here. Search the site by type in MY SERVICE TABLE TODAY in the search page at the top right of the display window of the home page, to get gathered all the posts related with the service experiences of the publisher of that site.
http://electronicshelponline.blogspot.com/
Hope it will help you to know more.

Jan 07, 2017 | Sansui Televison & Video

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To begin with I have Dish network my TV went off and since then in order to have picture and sound i have hookup HDMI cable and also video cable to have picture and sound


You need to set up the dish box for the correct resolution ie 720/1080 etc.
ELECTREPAIRUSA@ELECTREPAIRUSA or you can contact us at that address as we repair/renovate all items electronic and electrical old and new.

Jan 05, 2017 | DISH Network Televison & Video

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Replaced convergence on toshiba 42HDX82...put back together now no picture or sound...could i have rehooked up wires wrong?


YES YOU COULLD HAVE WRONGLY HOOKED UP THE WIRES AND TANGLED THEM UP WHICH IS CAUSING THIS TO HAPPEN BECAUSE ITS CAUSING THE THE VOLTAGE THE TO ENTER AND CAUSING THIS TO HAPPEN

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Its a lg brand colour tv 53cms. Model no-21SA1RG3T8/2009- What is his E.H.T Number


Check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/. It has schematics to many popullar brend TVs. Hopes it will help you find out the number of the EHT transformer.

Jan 20, 2015 | Televison & Video

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Do a 2001 GE projection tv have a lamp in it?


Yes course there is a lamp . You can order one from ebay for around $10 .

Apr 21, 2014 | Televison & Video

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Tcl tv line through screen


maybe vertical ic be came hot and make some lige unconnected in board have to go to tv tichnican

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