Question about Toshiba 32HL67 32 in. LCD Television

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When i turn on picture comes on just for few second right side of screen then goes off sound ok can knot bring up menu all voltages are acording to flow chart but i have no analog video to seine board at cn72a plug audio ok at cn71a

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This would be indeed a back light inverter issue, and yes it will need to be change out. You looking at $150 plus parts respectively.

hope this information does help please do click the accept button for my efforts.

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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When I turn on my Sharp TV the picture comes on for a second then goes black. The sound is working but the picture stays black.


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When i turn the tv on the picture and sound come on ok then after a few seconds the picture goes off but the sound continues


solution
step 1 : at first test your fly back transformer


step 2 : test your video I.C.
step 3 : test contrast control system section
step 4 : A.C. transformer out put voltage testSend report :babul_jpi90@yahoo.com
thank you.
please only one vote me.






Jul 28, 2011 | Televison & Video

1 Answer

I turned on my tv and the memorex logo comes on the screen then it goes dark then the pictere comes in for 2 seconds then the screen goes black again. I have sound but no picture. I can't even bring up the...


LCD sets (other than those very new) use fluorescent back lighting to produce the picture. Those lights require high voltage to ionize them so the problem could be either the tubes themselves or the inverter that produces the high voltage is failing. Anyone with some degree of manual finesse and possessed of logic can cure this problem but it may be difficult to identify the failed part accurately meaning that if you 'shotgun' the problem, you would need to replace both the tube(s) and the inverter board. The latter is in most sets as a separate assembly which derives its operating voltage from the main power supply and will be obviously attached to the fluorescent tube(s).
The board will have to found from the manufacturer or a company that disassembles scrapped sets.
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Jimmy's Parts
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Oct 17, 2010 | Memorex MLT3221 32 in. LCD TV

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My magnavox 42mf438b lcd tv will be fine for about 10 minutes when i turn it on, then the screen goes completely black but it still has sound. it stays like this even if i turn it off and back on. i can...


that set is highly rated by users .. it first came out in early 2009 (i think) so you might check to see if any warranty remains ... the display is illuminated by several lamps .. each lamp has its own high voltage inverter .. all the innverters are powered by an output of the low voltage power supply (often 18 volts)... i would suspect a problem with that low voltage power supply.. either a bad capacitor or a thermal issue .. .. ..

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1 Answer

Screen goes black after 5 seconds


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Phillips 37PF73203 37 in Television goes straigt to Menu and stays


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Jul 13, 2008 | Philips 37PF7320A 37 in. HD-Ready LCD...

1 Answer

RZ-32LZ55


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May 29, 2008 | LG RZ32LZ50 32 in. LCD Television

1 Answer

No video


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