Question about Samsung Televison & Video
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Posted on Jan 02, 2017
Power supply regulator board fault. Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do asearch by type in the brand name of your device at its search box.
It will be best to replace the power supply regulator board as card basis.
Posted on Jun 23, 2014
have a look round this site.very good guides.hope it helps...
Posted on Feb 06, 2016
Your power supply board is working if you get audio and imgaes.
You test AC only the AC side of the transformer before the Rectifier Diodes. Everything after the Diodes will be in DC.
did you get to see any spec of backlight as shown in
LCD LED TV Repair No Image Blank Black Screen Flashlight Test How to Fix...
Posted on Mar 23, 2016
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. Surf the site with patience. Pull up older posts.
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. ..
Posted on Aug 08, 2016
Testimonial: "Your link have no past posts for this model. I do my own servicing since 1966, and worked with RCA radios and TVs with vacuum tubes, so all I need was a guide to confirm that the main board could be bad. BTW, how can I test the backlights? They have two signals "Dimmer" and "Inverter" which are always at zero volts. Which one will turn the backlight inverter on?"
In most of the case, the LED back lights strip is out.
Posted on Aug 29, 2017
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