Question about GE 13GP243 TV

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Flashing green light and black screen

I have a 15 year old Toshiba TV. The problem began with a horizontal line across the bottom of the picture. Then, on occasions, the picture would go completely blank with a black screen as if it had been turned off (although this only happened to the digital Sky picture; terrestrial was ok). Shortly after, the Sky picture would return. Then what I believe to be vertical sweep problems occurred: the picture would compress, be ok for a while, compress again and so on. I tried to turn the tv on today but all that happens is a flashing green light directly underneath the red standby light. Interestingly, with the tv turned off by the remote control and with the tv in standby, the green light flashes slowly. If I turn the tv on with the remote control, the green light flashes more quickly. I have no picture at all. Do I need to scrap it? It is a great tv and has fabulous sound.

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  • GE Master
  • 75,169 Answers

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.

Posted on Mar 13, 2017

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: GE 46GW945

Your problem is a bad main filter, a regulator IC ,and or a combination of a convergence problem along with a vertical IC going bad. This set is not something you should mess with unless your a trained tech. Please seek a pro to assist you with this repair. good Luck

Posted on Jul 28, 2006

bkvinr
  • 76 Answers

SOURCE: Black horizontal lines across bottom 1/3 of screen

This is due to vertical section failure. Change the vertical supply rectifier diode and supply filters. Then check zener diode leakage in pumpup circuit section. Also check any electrolytic capacitors leakage in vertical section. If it is old model tv change vertical height, vertical lenearity presets also. I hope given details useful to you.

Posted on Aug 23, 2007

  • 556 Answers

SOURCE: Picture too wide for screen

your problem is called blooming as you might be aware of very high voltage in tv. you can check 1 high output voltage fron power supply. 2 if it is ok then the problem is in horizontal section.you can check cap.in hor. section at last flyback transformer. hope this will help.

Posted on Oct 01, 2007

  • 1 Answer

SOURCE: 52'' GE Projection TV will not turn on

Called a service technician. Found bad board and wanted $437.00 I bought a new TV

Posted on Nov 13, 2008

  • 42 Answers

SOURCE: No Picture

i do know that this unit which i have also if you plug the tv up and turn it on several times it will reset the tape drive and take out all slack on the tape and it will then eject the tape then clean the tape path after you get tape out tv should return to normal but tape unit must be cleaned are the sensor mabe going bad like the end sensor and so forth etc..

Posted on Dec 17, 2008

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