Question about Sharp LC-32SB24U 32 in. LCD TV

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My brand new 37" Sharp LCD t.v. is blinking both tbe green power button and the opc light, but there is no picture.

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  • Devon Sacco
    Devon Sacco May 11, 2010

    What model number is your TV?And how long ago did you buy it?

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  • 10 Answers

Hi
Dont invalidate the warranty by doing anything this could be a software issue,a lot of new sharps have older versions of software that cause this issue,will need an upgrade

Posted on Jun 04, 2009

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1 Answer

Tv has no picture. When turned on, the OPC and power blinks. Can you tell me what the problem is?


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Aug 01, 2014 | Sharp LC37SB24U 37 in. LCD TV

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I am currently working on a Sharp Lc37sb24u. I was originally thinking it had a bad inverter board but now I am not so sure. When I turn the tv on the picture comes up with audio for about 2 seconds the...


Did you check the service manual troubleshooting guide yet. You can try disconnecting the power to the inverter board and see if it will stay on and have sound.
Service manuals:
http://elektrotanya.com/?q=showresult&what=Sharp%20LC37SB24U&kategoria=&kat2=all

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
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Failed TV and Monitors pictures: 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.

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THe problem is in the set top box. Or common called the tuner box. IT looses the 5 volts to the main display and thus the monitor will go into a shut down state. THESE boxes are factory repair only and must be sent off to repair.

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This problem very common in sharp tv.The POWER,OPC flashes.First turn on have power LED indicator light stable at all? Tries the power again couple times will have backlight come back on,than it will work.Not at all more than 5-6 times than ur main turner signal board is the problem,must replaced.

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1 Answer

I have sharp 37 inch LC-37D44U MY PS3 is not working with it it green lights keep blinking power light and OPC. BUT THE HDMi ports work beacause i checked it with other devices. so i dont know why its not...


Does this happen when you input certain signals to the HDMI2_bing.gif ports? Or all signals (e.g. 1080i, 720p, 1080p, etc.)? And which ports are affected - side HDMI, rear component, etc.?

I had this issue and Sharp sent out a local repair tech to install a new main circuit board, then two weeks later, a new side board (where the side inputs connect into the system)... their first visit allowed my TV to accept signals in the rear HDMI ports (all signals worked well), but then I couldn't get a signal processed via the side HDMI port. At first, just 1080p would not display (caused the OPC/power green light blinking), and after a few days, any signal hitting that port would cause the error lights to come on. But as I said, eventually, a new side board resolved that issue.

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Behind your TV, there should be a system reset button.
If this doesn't fix the problem, most of the time this means a part has failed inside the TV. I would use the warranty and take it back and exchange it. You shouldn't be having this problem right out of the box.
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1 Answer

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This same thing happened to me, but not until I fiddled with all of my remotes, trying to see if it was an input issue, battery issue, etc. I finally unplugged the tv from the wall and plugged it back in. Nothing. Then I went to take 5 minute ****. When I finished, the Power & OPC lights were blinking, and out of sync. I pressed the power button at the top of my TV and got a picture.

Word.

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2 Answers

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How many times does the POWER led blink per sec? (dont worry about the OPC)

2x = power supply (not as expensive to fix)
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