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I need a functional Sharpe Aquaa LC-37HV4U "AVC system" only. My flat screen keeps giving me the "loss of sync" and what I gathered online is its either a bad cable, port or AVC. Ebay only seems to have the 30HV4U. Does anyone know where else I may look to buy this bad boy?

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  • 233 Answers

I have to agree with the cable, but trying a little compressed air on the fittings of both the cable and the port may help alleviate this issue. Give that a try before replacement.

Posted on Nov 26, 2014

Testimonial: "Thanks Frank, I don't physically have an AVC system. The screen was given to me with the understanding that I must provide that on my own."

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SOURCE: 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

Posted on Aug 01, 2008

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1 Answer

I've got a Sharp Aquos LC-37HV4U that is in perpetual service mode - how do I get it out?


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Service mode entry, adjust and exit procedure to many popular brand TVs are given. Search the site by type in the "brand name" to your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Oct 16, 2016 | Sharp Televison & Video

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

2 Answers

Display powers of with power up of AVC


how many blinks does the red light give in a row? This would be an error code?

The problem for 7 blinks would be an Interface board. Apparently there is a glitch in the interface board that sends signals to the television. Basically the glitch shorts out the board and the t.v wont turn on and you will see the power light blink 7 times pause then 7 more. You can replace the board with a new one and update the software on the new interface board.


If is isn't 7, let me know and I will help you out with this

thanks

Apr 26, 2008 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

AVC box will not turn on-the button is stuck


Sounds like, power switch is broken. Part number: QSW-P0591CEZZ.

Nov 24, 2009 | 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

1 Answer

Sharp LC-37HV4U


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Dec 28, 2017 | Sharp Aquos LC-26GD4U 26 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

4 Answers

Display powers of with power up of AVC


This is the problem with my LC-37HV4U. I plug in the AVC and the tv/monitor and I get both red power lights (not blinking) but no green lights, sound, or picture. I mean the tv screen stays black! It seems like their is no communication between the AVC and the monitor. I thought at least the screen would light up when the power light came on and being it has it's own power source. This tv is driving me nuts!! Can anyone please help?? Thank you.

Jul 29, 2007 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

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