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LC-70LE650U 3 slow 1 fast

I have a sharp aquos LC-70LE650U that i can not get to work. I have replaced the power supply, t conn, and main board and it still wont do anything. One thing i noticed is that i can unplug the 2 bottom ribbons on the t-conn board and the backlights will come on when i turn the tv on, but with the ribbons connected the tv wont do anything and i getting a code of 3 long flashes and one short or 3 slow and 1 fast. Any idea what else it could be?

Posted by Jeremy Lowery on

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My 70in sharp aquos lc-70le650u will turn on and work fine with great picture and lighting then after about 5 mins it cuts off and the power indicat or blinks 2 times slowly and 5 times fast

Those 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.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
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1answer

Sharp LC-70LE650U blinking code 2 slow 5 fast

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.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Some models of Sharp TV uses Philips main board. If your TV has such a board fitted, you should follow the blink count procedure for Philips. From your description itself, I do understand that your TV is fitted with such a board. The blinking code procedure seems so.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.
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Sharp Aquos lc-70LE650U-No Power at all. When I plug it into wall the icon does not even light up. This tv was working fine till i took it off of stand and hung on the wall.

Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
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1answer

Sharp TV model LC-70LE650U Dark on Right side

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced.
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1answer

I have a sharp aquos lc-70le650u, will not turn on, power light flashes rapidly 2 times then 5 times

I'm not sure about this one since I never worked on 1 of them.. But I did find a link that you can check on. http://www.badcaps.net/forum/showthread.php?t=41773. Good luck on it
2helpful
2answers

Sharp aquos LC70LE650U 5 short flashes 2 long, no display

Try unplugging the unit and hold the volume up and channel down buttons down and plug the unit in. Let go of the buttons and the unit should come on up the service mode. There will be a small k on the screen. With the remote press the channel up button . This should bring up a menu that will show a lamp error line. If the lamp error is = to 5 the unit is in lamp error shut down. Use channel down to highlight that line and the curser right arrow to highlight the lamp error #. Hit the enter button to clear the lamp errors. Now unplug the unit and let it sit for a minute and plug back in. If the unit does not come on by doing this or if it does and you do not find lamp errors the power supply pcb may have been damaged .
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TV Sharp Aquos LC-32D44E/S doesn't come on Status light turns green for 10 seconds then turns red but no picture or sound.

Good day to you and welcome to fixya..

That problem is usually have 2 causes..Its either power supply board or main board..

Please take this steps on how to determine the problem:
1. Open the back cover.
2. Check the power supply output...It should have 5vdc for the main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter..
3. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board..
4. If the power supply output is normal..The problem could be on the main board...
5. If the problem is power supply you should check if the capacitors are bulged on the top and try to replaced it..If you can't do that you can purchased new power supply board..
6. If the problem is on main board there is no D.I.Y repair on that so you need to buy a new main board that fits to your TV..

You have a better chances if you have failing capacitors on the power supply board..

Please watch this videos about capacitors..








Hope this solution will be helpful..

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