SAMSUNG D7000 Series LED TV Power supply and Backlight Failures Troubleshooting

In this article, we will examine the D7000 start up sequence, the operation of the SMPS Power Supply and the Panel LED Backlights with its unique processing sequence, and discuss important troubleshooting steps. The Power On Sequence: To test the Power On sequence, follow these steps: Locate the Power Connectors on the SMPS Power Supply….

2012-2013 TV Video Problem Troubleshooting

Samsung TVs have a built-in test picture and built-in test patterns to help service technicians troubleshoot video issues and pinpoint problems. There is also a T-Con jig available to help you test TV Power and T-CON TEST PATTERNS without the Main Board. Using the Picture Test in the TV menu Disconnect all video connections to…

UNxxF8000 TV’s How To Test All LED Arrays

The F8000 Series LED TVs let you verify that all LED arrays are operating properly by running a built in test pattern called Local Dimming Test. • This test will light up the 16 LED arrays individually, starting on the right bottom corner as shown in the graphic below. • You can access the test…

UN55F8000 LED TV SMPS Power-Up Sequence

The UN55F8000 powers-up in the following sequence: • 5.3VDC on the A5V pin when the AC cord is connected. • The MicroPROCESSOR on the Main PCB actively looks for the user to press Power. • When Power is pressed, the MicroProcessor sends a “High” voltage (0- 3.5VDC transition) to the SMPS via the PWR_ON/OFF pin,…

Troubleshooting The 2013 Samsung TV Bluetooth Module
2013 Bluetooth Module Troubleshooting New additions to the Contact Samsung Menu and Factory Service Mo e screens have made troubleshooting the 2013 Bluetooth modules more direct and easier. To troubleshoot the 2013 Bluetooth module, follow these steps: Check Bluetooth Address on the TV’s “Contact Samsung” support menu. 2.  Check the Bluetooth F/W Version on the...
Samsung Smart LED TV Random Lockups Models UN**ES7500/UN**ES8000
The random lockup of UNxxES7500 through UNxxES8000 LED TVs along with a frozen image resulting in power cycling (the TV turns off and then back on). The symptom can occur anytime after the SMARTV boot up logodisappears from the screen.Solution: Replace either SMPS and the cable between the power supply and main board . The...