Question about Sharp LC37SB24U 37 in. LCD TV

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Sharp lc37sb24u sound but no picture - Sharp LC37SB24U 37 in. LCD TV

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Posted on Jan 02, 2017

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SOURCE: I have a sharp 37

This problems very common in Sharp LCD tvs.The Tuner signal board have problems,every times the power LED,OPC LED lites up,just push the power button on again,wait see if the LCD backlight lite up and works,not the Power lite and the OPC lite LEDS flashes again.You,just have to push the power button again,sometimes u have to push the power button at least 6 or 7 times to get the Power LED stable,and then LCD backlight,come on than the tv work.Not sure,but if the Power and OPC lites keep flashing,after u pushes the power button at lest 10 or 12 times,and the LCD backlight dosen't come on and the tv don't work.I think,it time to change the Tuner board is completely dead.I have a Sharp LCD tv, I do this everytimes pushing the power button at least 3 or 4 than the power LED stable,and the LCD backlight come on than the tv work.Not a plaw in the power supply like those capacitors in many LCD models tvs,but some included Sharp Tvs is the Tuner signal board is not very good in design,use the tv awhile the Tuner signal board have problems recieving the power to it Tuner board components.

Posted on Apr 16, 2010

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Our sharp tv model # LC-42D72U power light flashes green but there is no sound or picture. Looking for your expert opinion on what could be wrong so we can get the part ordered. The board with the power...


Green on light is blinking, but no picture - Television - iFixit

https://www.ifixit.com/.../Green+on+light+is+blinking,+but+no+pict..
iFixitOct 3, 2014 - The Sharp LCD TV LC37SB24U set worked until off button on remote ...The green light is blinking any time power cord is plugged into the wall outlet. ... It does sound like either a bad inverter board or a bad power supply. .... On the clad sidethere is no connections or ribbons that indicate hard current draw ...

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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

1 Answer

Power, I can hear the relay keep clicking every 2 second. will not power up.Any idea as to what can cause that?


Sounds like main board fault. Contact the authorized service center. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/

Jun 17, 2014 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

No picture and sounds


pa check po na smps +12v at -12v

Apr 14, 2014 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

TV will not stay on


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 stage 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, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.

Mar 10, 2014 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

Picture but no sound


First start with the simple things, make sure the mute feature isn't turned on. Also check the menu, some sets give you the option to turn off the internal audio. If these suggestions aren't the case, your set may need servicing.

Nov 07, 2013 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

The picture is breaking up


Check all inputs sire harshness for firm. If there is any loose connections to these, the fault you reports here can occur.

Feb 05, 2013 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

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
http://www.fixya.com/support/r7406380-tv_training_manuals
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.

Oct 27, 2011 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

How to attach additional speakers


Click HERE to download required owners manual free copy for Sharp LC37SB24U

Jul 31, 2010 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

My sharp LC37sb24u power light just keeps blinking. I have tried to unplug it.


The sharp tv have a very common problems,couple years the Main Tuner signal board have problems or dead.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish Main Tuner signal board for the replacement.

Apr 05, 2010 | Sharp LC37SB24U 37 in. LCD TV

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