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Posted on Jan 02, 2017
I had a similar problem which I have partially solved. The power light flashing could be due to a shorted electrolytic on the power supply board but in my case it was a shorted IC on the main board, the one with the input connectors. The IC marked 7001 shorted and got hot enough to melt the plastic. Replaced it with a new one from Mouser. The supply measured on the end of inductor 5001 farthest from the IC reads 12V now. This is a surface mount part and has a pad on the bottom that may be soldered to a pad under it. I had to cut the IC apart carefully with a Dremel cutoff wheel to remove it. That fixed the problem with the light and the remote now turns the TV on and off so the logic is working.
I now have the problem of the backlight not turning on. The driver board, the ones with the transformers, are made by Intechwave, the only info I can find is here: http://www.peopleworks.co.kr/kor/product/product_list.php?intDivision=4&intClass1=16&intClass2=41
This a 45kHz RF driver and it is not starting. If I can figure out why I'll post it for all the people who reported slow or no turn on of the backlight. These boards should have 24V between the red wires on the connectors and ground, as mine do.
Posted on Jan 27, 2009
SOURCE: INSIGNIA LCD won't turn on
replace 2 condensers in the power supply with greater voltage ones.original are 1000uf 35volt...use 1000uf 65volt...99cents each
power circuit is made to fail with typical tv industry tactics...the warranty is reflected by the life of their condensors (capacitors) average life is 2000 hours..
if your a smoker...you must clean the button cover as they get stuck on with your stupid tobacco residue. 75% of all LCD tv's that smokers own fail this way...
TRY TO STOP SMOKING...
Posted on May 18, 2009
SOURCE: samsung 55" flat panel lcd
Does the backlight come on? or even flash on and off when the TV is switched on? I presume the standby light is showing 'blue' then. Do you have any sound? Also, when the TV remote is pressed, does the standby light flicker?
Posted on Feb 22, 2010
Tips for a great answer:
Dec 30, 2015 | Televison & Video
Oct 07, 2012 | Bush Industries IDLCD26TV16HD LCD TV
Mar 15, 2011 | Hannspree XV32 32 in. LCD Television
1. Press the "Menu" button on the remote control, and scroll until you come to the "Preferences" menu. Select "Parental Control and Locks," then press "OK." If your TV does not have a "Preferences" menu, go directly to the "Locks" menu.
2. Enter the four-digit PIN that you selected when you turned the Panel Lock feature on. You may have to scroll up or down to access this area.
3. Press the "Up" or "Down" buttons on the remote until you reach the Panel Lock feature. Move the cursor to select "Off," and press "OK."
Feb 17, 2011 | Toshiba 32A33 32" TV
Sep 20, 2010 | Goodmans GTVL32W27HDF 32 in. LCD TV
Dec 13, 2009 | Televison & Video
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