Question about Sylvania Televison & Video

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Picked up 2005 sylvania model 6620lf4 the colors in the picture where red and green. I held power button and menu button down together now its stuck on blue/gray solid screen. Can you factory reset?

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  • matt martin
    matt martin Dec 23, 2016

    It is an electrolytic cap.

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  • Sylvania Master
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I repaired one of these a few years ago. This TV is filled with 16 volt 10mf capacitors. If I remember...there is one 35 volt 470mm cap that is in the signal board. You will note that is has a bulge on it. To replace this capacitor do this. On the top of the board, wiggle the cap back and forth until it comes off. Do not pull, wiggle back and forth, it will come off. You can then replace and solder this on the top of the board, and not from the bottom. The new solder is very difficult to remove. Yes, there is only one capacitor, it is bulged....simple fix. Thanks for asking, Matt of Martins TV.

Posted on Dec 23, 2016

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  • Sylvania Master
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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; 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. Never forget to exit the service mode, after all adjustments have been done.

Posted on Dec 23, 2016

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1 Answer

No picture on TV


Not sure if you saw Tom's Guide
at Sharp lcd tv power button flashing

(1) 4tinyhearts said:
I unplugged the TV and held the buttons down and it continued to flash. I continued to hold down the two buttons and replugged it in again and it worked. TV back up and working.

(2) lastditcheffort said:
Unplugged it. After looking for a new tv online I decided to try getting it to work. So, plugged it back in and held down the power button, a red light came on, held down the power button again and an orange light came on, held down power button again and green light came on and tv powered on. This was simply a case of trial and success!

(3) Nateinportland said :
unplug, hold power button, plug in. If that doesn't work, unplug all the HDMI cables, unplug the power, hold power button, plug back in.

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1 Answer

My flat screen Sylvania TV is flashing different colors what's wrong


Better late than never. The problem is that your TV is in the service mode. There are many ways this can happen. But, lets just get down to fixin this! With the original remote and the TV on. If the TV will not shut off, do this. Press the left cursor button on the remote, followed with pressing the right cursor. Power off the TV with remote, or press off button on TV.

Secondly, your TV will power on and off. But you have flashing colors. Do this. With the original remote and TV on. Press the up cursor button, on the remote, followed with pressing the down cursor. Power off TV with remote, or press off power of TV. Thanks for asking me, Matt of Martins TV Repair.

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I have a problem in my BPL TV(FHR-21) it showing a green color


How to Fix a TV When the Screen Is Green


A TV is calibrated by the factory to provide a "standard" picture that attempts to appeal to the vast number of buyers who take the set home. To adjust a TV picture that is too green, you must first enter the hidden "service menu" that technicians use. Adjusting the colors to remove the green cast will save you the cost that would otherwise be incurred from a TV technician coming to your home. No special tools are needed, nor any expertise in how the TV works.

Press the power button on the remote of a TV whose picture is too green in order to turn it on.

Press and hold down the "Menu" key until the manufacturer's logo appears on the screen. This could take up to a minute or more. Release the "Menu" key when the logo appears.

Immediately press the "9," "8," "7" and "6" keys in this order. Press the "Enter" button on the remote to enter the "Service Menu" screen.

Press the "Menu" button to go to the second of the two "Service Menu" screens. Press down on the "Down" arrow until you highlight "Color Calibration." Press the "Enter" button to enter the "Color Calibration" screen.

Select one of the color bars on the screen. Adjust the color by changing the values of the color bar by pressing left and right on the "left" and "right" arrows on the remote. Repeat this procedure with the other color bars as well. Stop adjusting the colors when the green cast is no longer present.

Press and hold the "Power" button on the remote to exit the "Service Menu" and save the adjustments you have made. Turn the TV off.

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1 Answer

I have ATT U-verse, (it's own remote). Using the LG remote, I try to adjust color, too red and too green, otherwise, BEAUTIFUL!! Now, it lets me look at brightness, contrast, but not color, just skips...


You will have to access the service menu. From it, you can reduce the luminance of the red and green bands.

To enter the menu, press the menu button the TV panel and hold it down then press the menu button the remote simultaneously.
In a few seconds, you will be prompted for a 4 digit password.
The password is 0000. Enter it with the remote.

There are two menus that will alternate upon entering it with this method, which one comes up depends on the last time the service menu was entered if it ever was.

You can navigate the menu with the remote. Find the selections labeled for R G B. This stands for red, green and blue. There will be more than one input available for these selections, make sure you select the input that your ATT-U-verse is connected to by toggling through the menus.

Adjusting your red and green;
After finding your proper input and your adjustments for RGB with that input, toggle down to the selections labeled as RGB gain. Reduce the numbered value by 2 or 3 points for R and G and press enter on the remote. Then press menu. This will return you to your input currently use, preferably the input you are adjusting. Using the same picture every time, such as a freeze frame picture that was not to your liking, repeat this process until you are satisfied.
Keep in mind that all colors will interact together. If you find that after making the R and G adjustments together tends to make your red tones appear to be too muted or more of a purple hue, return to the service menu as I described above and reduce the B (blue).

Going by eye is quite inaccurate but however; for a picture that isn't far off from your preference changing these values by only few points in the Gain channel will not make any drastic differences.

For a more accurate picture for your input in question, I recommend a monitor calibration tool such as the Spyder 3 TV. You could alternatively use a DVD based software such as Avia, but that is for your DVD input...in that case you could simply use the settings from that calibration for your other inputs by manually copying them and that may work too. The Spyder is my best consumer based recommendation short of a professional calibration for your ATT U-verse input, the DVD is second but both are much much better than the naked eye.

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Changed water filter red light stays on


Afer you change the filter and have run the water for about 1 minute you then hold down the light & lock button together and this should turn the change filter light off.

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1 Answer

My aopen f2925 monitor has a green tint.


The solution: hidden menu within the main menu itself. Hold the Menu button down while pressing Power to power on, and release power button only when the screen comes up, still holding the menu button. The menu will appear and there will now be a hidden selection, "Auto Color", printed in a red-on-black font at the bottom of the menu. Use the +/- buttons to access it, and press Menu. My green/yellow tint went away! Now my picture works great, and the setting lasts through Auto-Adjusts and Resets!

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1 Answer

No picture or sound mitsubishi 62525


Capacitor failure is the most likely scenario the FMT ans Signal PWB would cause the picture interference and the power pwb would cause the lamp light to turn red and give a 34 code when the device/ input and menu buttons are pressed in together and held for five seconds. That chassis has issues with every board in the chassis having failed capacitors you can get repair kits for the V26 chassis at the follwing link that come with instructions. Your model is the V26 chassis. Heres the link.
http://servicemanuals.vstore.ca/

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1 Answer

My sylvania model 6620lf4 lcd color tv suddenly has an inverse picture, how can I fix this??


THIS T.V. IS ACTUALLY MADE BY FUNAI. IT SEEM THAT ALL OF THE NEW SYLVANIA'S ARE FUNAI'S. WHEN I HAVE TO FIX ONE I HAVE TO CALL FUNAI FOR PARTS. MOST OF THE TIME THEY ARE NOT AVAILABLE. IF IT MENU IS GOOD AND THE PICTURE IS BAD THEN IT HAS A VIDEO PROBLEM AND PROBABLY NEEDS A MAIN (VIDEO) BOARD. MOST OF THE TIME THE BOARDS EXCEED THE PRICE OF THE T.V. MY PART DISTRIBUTOR DOES NOT CARRY FUNAI. SORRY I CANT GET YOU THE PART NUMBER OR PRICE. TRY CALLING FUNAI FOR THE PRIVE ON THE BOARD. IT IS EASY TO PUT IN.
DON.

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3 Answers

Colors are off after auto adjust


I seem to have found the solution (and the cause, perhaps?) for this problem!

I was having the EXACT same problem with a monitor I'm repairing for a friend. The capacitors on the power supply board were blown (CapXon capacitors, who'd've guessed), which was keeping it from powering up. After replacing the capacitors, the screen worked beautifully. But it had this weird yellow tint!

The strange part was that pure colors - red, green, blue - all appeared perfectly OK on screen. Curiously, the menus would show in the proper colors, except for one: the manual color adjustment menu, which illustrated "Blue" as a sort of off-green in the icon. Auto-Adjust would always fix the colors for a split second, then go back to yellow. Reset didn't fix it. Color reset didn't either. So, exactly the same problem as above.

The solution I found was hidden within the main menu itself, a sort of "easter egg". <b>Hold the Menu button down while pressing Power, and hold it down until the screen, and menu, appear</b>. There will now be a hidden selection, "Auto Color", printed in a red-on-black font at the bottom of the menu. Use the +/- buttons to access it, and press Menu. Voila! PERFECT COLOR! Perhaps this menu was accessed by accident, and calibrated to an incorrect color key. But now my picture works great, and the setting lasts through Auto-Adjusts and Resets!

Hope this helps some people, it sure saved my ****! ;)

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