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Sceptre X505BV-FMDR 50" LED TV 1920x1080, 60 Hz, HDTV Questions & Answers
How do i fix a sound, but no picture led tv?
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://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.
8/8/2016 10:58:24 PM •
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Answered
on Aug 08, 2016
Why does a scepter 50" tv go black no sound no nothing
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. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
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.
12/8/2015 9:10:38 AM •
Sceptre...
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Answered
on Dec 08, 2015
Lcd tv has sound no picture
Hi Chad,
Since you are getting the sound, the main board seems ok. Please show a flashlight on the screen, you should be able to see the picture there. If it is so, the backlights in your set are not working. Most LED TVs have LED driver circuit on the power board now days. Here a word of caution, there are two reasons for failed backlights. First the LED driving circuit and second the backlight itself. Which one has in your case, let some TV Tech decide it. In both the conditions your TV should be repairable.
Good luck
12/3/2015 11:17:50 PM •
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Answered
on Dec 03, 2015
I have a DVD that is stuck in the player, the eject button does not release it. Help!
You'll have to take the cover off. This only consists of a few screws to remove, and lifting off the cover. When you have the cover off, try turning any white gears (carefully) to open the drawer. Some tray mechanisms have bad design. They refuse to open after a few months. This is in the design of the plastic parts and mechanisms of the cd drawer. Flawed design.
12/17/2022 2:56:15 AM •
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Answered
on Dec 17, 2022
How to connect laptop to Sceptre TV
HDMI Connection
- Connect one end of the HDMI cable to the laptop VGA port.
- Connect the other end of the HDMI cable to one of the HDMI connections on the rear of the TV.
- Connect a separate audio cable between the headphone or speaker output on the laptop and the audio in connector on the TV.
9/13/2022 3:39:27 PM •
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Answered
on Sep 13, 2022
Sceptre hktv83ac black screen no image
A lot of people miss understand how the backlight circuit in the power supply works, you will get voltage testing to ground as its the B- side that's switched, the chassis ground and backlight B- are not connected. If you tested each LED strip and they're all good there has to be something else going on other than the typical backlight issue we see on so many LED sets.. I'm not an authorized service center for this brand TV so I don't have a service manual, if this set has separate power board and main test the bl_on pin on the power supply, you should have around 3.5 volts there, that's what tells the back light section of the power supply to turn on.If you don't then it's a bad main board
8/12/2021 7:26:33 PM •
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Answered
on Aug 12, 2021
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