Question about Sharp Aquos LC-37HV4U 37 in. LCD HDTV

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Updates lc-37hv4u sre there updates for the lc-37hv4u

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SOURCE: Can I use the AVC system of a Sharp LC 30HV4U on a LC 37HV4U TV

i have the sharp lc-30hv4u but i dont have tha avc box i need buy the box if do you have i can buy call me 702 3280184 thanks

Posted on Dec 18, 2009

  • 148 Answers

SOURCE: When I turned on my lc-37hv4u tv I got a blinking

The caps (capacitors) in the powerboard are going out. This is a very common problem in all class and price ranges of modern lcd and plasma tv's/ monitor's. I don't know if this problem has been like this for awhile or it just started, but either way, if the tv takes an abnormal amount of time to "warm" up then it most likely will go out all the way sometime in the (near) future. If you have a tiny bit of will and knowledge ypou can open the unit and get to the print board. Examine this for "popped" capacitors, they will have a buldging top instead of a flat one. Im gonna try to include a pic of them here, if i can get it this time, I've tried bfore lol. But you can google image a "popped" or "bad" capacitor and you would be able, with ease, to diagnose if you have any of these. Usually only one or two. Radioshack sells capacitors (couple anyway) for $1.59 each. MAKE SURE the replacement is of the SAME voltage or HIGHER, or you will be right back replacing those 2. Every capacitor has a negative pole marked with an (-) on the side of the capacitor(by one of the "legs", always puit the negative (-) "leg" of the new capacitor in the same hole in the printboard as where the previous negative (-) "leg" of the capacitor was ( a capacitor with the negative and positive "legs" put in backwards will result in the new piece "popping" as sson as you turn it on!!) make sure the "uf" rating (for example the most common popped capacitor is the 1000 uf) is the same as the one you are replacing. I needed 1000 uf, 105 c and 26v (volt) ratings for the 1 capacitor I needed to replace to fix my LG 19" lcd panel monitor I found by the trash that the light came on off, but it didn't come on. I replaced that capacitor with ; 1000uf, 85 c and 36 v (volts0...It works fine eventhough the volts and the temperature rating (36v and 85c) was not the same as the (26v(volt) and 105c ) capacitor I removed !! Further, I've replaced capacitors that had the celcius rating of 105 with the only ones Radioshack had, namely 85 c(celsius) they have been working great, but I'm not sure about any effect, nor have I heard or read (yet?) about that making an urgent difference. Many threads that I've read people have done the same, so we should be ok (my stuff has been running good for a while longer then most brand new ones!.............(all these ratings ; 'uf ' and 'c' etc are on the side of the capacitor you are replacing and on the side of the ones you are replacing them with)...For all this all you need is the cheapest solder gun u can find (I bought one for $7.99 at Radioshack), a camera (to take pictures as you go to remember how to reassemble the unit) and, once you have your materials, 20 minutes to replace 2 or 3 capacitors and you are good to go...Most monitors and tvs (lcd/plasma) I've seen you have to lay flat on the ground/bed/blanket etc, to work on (screen side down). Usually there are 2 or 3 screws (or a few more) to remove, then you will have to carefully (its comes off easily most times)insert a flat screwdriver inbetween the casing and gently pry it up as you go around the whole frame. Sometimes you have to remove the little washer arouind the cable input orso, just be gentle and you cant go wrong. Once insidet here will be a box with wires running to the sides etc...unplug, gently, these wires and open the box. Inside you will find 2 or 3 circuitboards, check them all for "popped" capacitors, replace, reassemble and plug it in....Have fun becoming an overnight tv mechanic lol! ...if this helped any (or not)please rate thank you!

Posted on Feb 03, 2010

lovejoy91
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SOURCE: My Sharp lc-37hv4u wont turn on. I just jave red

If you are a DIY then once you pull back off you will see power supply board and there are caps that goes bad in these sets. They bulge out and sometimes explode. You tube has video on how to fix some sets, this is the same procedure

Posted on Jan 03, 2011

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1 Answer

Is there software for lc-37hv4u


Go to Sharps web site to get software updates. Load the file on a USB stick and follow the instructins on how to install the file to the TV.

Mar 21, 2014 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

Sharp aquos LC-37HV4U won't turn on just have a red light. I have unplugged the display and the AVC system. Turned back on then get a blinking red light. Turn on at the display and to goes to solid red...


when this occurs this is got only meaning: the Ignintion panel is faulty its the board/chip that gives the signal to the TV to start

to replace that part u must a serious soldering skill and and take to much risk cuz u might make more damage on that TV

plz do rate this post as good as u can

Oct 10, 2008 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

How to I change time, tv did not update auto to daylight savings time, sharp aquos lcd tv


With the remote look carefully in the set's menu and adjust it (look in setup first).

Apr 01, 2012 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

My Sharp lc-37hv4u wont turn on. I just jave red light. No image, no sounf


If you are a DIY then once you pull back off you will see power supply board and there are caps that goes bad in these sets. They bulge out and sometimes explode. You tube has video on how to fix some sets, this is the same procedure

Jan 03, 2011 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

Can I use the AVC system of a Sharp LC 30HV4U on a LC 37HV4U TV


i have the sharp lc-30hv4u but i dont have tha avc box i need buy the box if do you have i can buy call me 702 3280184 thanks

Oct 15, 2009 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

2 Answers

Sharp Aquous LC-37hv4u has no sound. All my menu setup and option are still intact. Can this be hardware? If so, what can I do? Thank you


Try the main resets in the back by the a/v in and out jacks. If this does not work, call Sharp Customer Service and tell them that you already did the resets. There is a known problem with a heat dissipation pad for the onboard speakers and they will send a repair tech to replace the pad for free, even if you are out of warranty. At least that was the case with my LC-32D6U.

Aug 17, 2009 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

Sharp Aquous will not turn on.


I would check the System Cable that is linking the box to the TV. Then, press the small button called CLEAR in the front of the box. The button should be behind the flip cover on the front right below the PC input ports.
Let me know if this solution works.

Jun 01, 2009 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

Sharp Aquos LC 37HV4U - problems with AVC


I have a fully functioning lc37hv4u box & cable that I will sell for 200$ my lcd got cracked. let me know psxpirate25@hotmail.com

Jul 05, 2008 | Televison & Video

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