Question about Sharp LC-32SH12U TV

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When I turn on the tv. The green light comes on without picture and there is a black line across the monitor

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  • 49 Answers

Check smps out put voltage ,change 160volt 47mf capaciter.till problemnot solve remove standby transistor and find the problem

Posted on Jul 31, 2010

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Posted on Jan 02, 2017

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The tv/monitor either turns on and it's fine or it goes all white or i have to turn it on and off until the letters that come up on the right side don't show up distorted otherwise i will be able to see...


I would expect the power supply problem first, look to see if it has any caps with domed tops. Post back what you see inside, next thing will be voltage checking.
http://s807.photobucket.com/albums/yy352/budm/Westinghouse%20LCM-22W3/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 21, 2011 | Westinghouse Electric LCM-22W2 Monitor

1 Answer

Red, Blue and Green Ribbon on Tv


converence power supply board is the most likely problem

Jul 18, 2009 | RCA D52W19 52" Rear Projection Television

1 Answer

Flashing green light and black screen


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.

Mar 12, 2017 | GE 13GP243 TV

1 Answer

Color lines in tv screen


it's an lcd filter fault it's betwine lamp and screen before mirror, seems like u will need to replace it but it hard to say without look at it.

Mar 22, 2009 | Philips 55PW9363 55" Rear Projection...

1 Answer

Sudden color/picture distortion


you have a shorted green CRT that is affecting the other crts the short is internat to the crt that leaves what is called retrace lines. if the set is more than three years old then replace all three guns.

Feb 25, 2008 | Samsung TX-R3080WH 30" TV

1 Answer

Mymonitor is black and the on button from the monitor is green and is flashing


i havent seen this question asked, and believe me i have searched. i have compaq presario, windows xp media edition 2005, 64 amd processor, model # SR2017CL, with HP 1703 17" monitor. Prob-put computer in hibernate mode other evening, without turning it off. when i woke up, screen had diagonal lines going across it. i rebooted, well manually restarted, since comp would not respond.
Message comes up white with black writing, essentially, prob with active desktop, restore or turn off. i tried to turn off and screen went back to diag. lines. looks like the horizontal hold of a tv screen is asque. tried adjusting monitor to no avail.
tried a few more times, was fine for a few mins then went to same thing. now when i turn monitor on it blinks red, blue, and so on.
just whole screen that color. so i am at the point where i dont
know if its the comp or the monitor. (i am quite a newby)
ty for any help you can give
ellie

Jan 30, 2008 | HP Pavilion F1703 17" LCD Monitor

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