Question about Philips Magnavox 27MS343S 27" TV

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No picture for 15 mins

Magnavox 37mf231D-32 swith the set on the green light flashs on & off for up to 15 mins. light goes them on & picture appears

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Dont know if its the same model but Ive seen a few with a cold solder joint on a switching relay in the Vertical circuit do this.. (Be careful if its a CRT TV.. 27.5KV is common off the flyback transformer).. 27,500 Volts.. Good luck!

Posted on Jan 29, 2008

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On my Magnavox 37mf231d tv when I turn it on, the backlights turn on for about 3-4 seconds, then turns off. There is no blinking green light, there is no green light at all. It seems like it is trying


Fault with main board. Contact any service technician; or the authorized service center. 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/

Aug 23, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

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Magnavox 37mf231d will not turn on, only have steady flashing led light-continuous


I just fixed mine that had a very similar symptom to this and it was a bad part on the main board. I made a video showing what part and how to replace it. I also added a link below to the part I ordered. L5973D STMicroelectronics Mouser

Aug 07, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

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My magnavox 32 in will not stay on.


Sounds like main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Feb 06, 2014 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Magnavox 37MF231D/331D LCD Troubleshooting Tips


Google for this repair help site "Electro-help" It have all details

Jun 13, 2012 | Philips Magnavox 27MS343S 27" TV

1 Answer

Kv-25x5u picture goes off but sound still there, red light at front flashes 4 times every 5 secs, picture comes back on after 15 mins


if you are a tech the set is having problem in the vertical and horizontal circcuit...check IC 1509 and Q1505.good luck.

Sep 13, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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Everything looks great then the picture goes off, the green light blinks on and off but no picture comes back..intermittandt, but will occur every 10 to 15 mins or so, have to unplug the set and then...


You have the television on sleep mode. You'll have to disengage the sleep function! Most tv have this option so that you can go ahead and snooze for a while and the tv will turn itself off!

Dec 07, 2009 | Sony KDF-E60A20 60 in. LCD HDTV

2 Answers

37 INCH LCD HD NO PICTURE GREEN LIGHT ON, BUT NO SOUND


CHECK THE FUSE ON THE INVERTER BOARD, IFHIS DOESNT IT SOLVE IT REPLACED THE CAPACITORS, IF STILL SAME PROBLEM, THEN YOUR BACKLIGHTS ARE SHOT, HAVE THEM REPLACED

May 29, 2009 | SNK Magnavox 32MD357B_37 32 in. LCD...

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