Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: sony bravia kdl40s2010u
A 4 flash indicates you have a backlight problem. Either the backlight inverter boards have failed or you have a backlight that has failed in the LCD panel. You will need a technician to check the set to determine which is the problem.
Posted on Nov 08, 2008
A 6 flash error indicates a problem with the backlight. Your set is less than a year old and still in warranty, so you should contact Sony and arrange for a service call to get it repaired.
Posted on Nov 10, 2008
It sounds like an Intergrated Circuit (IC) has fried. Even on a good day, this is not something you can attack at home. As a tech (and as an owner of that model samsung), I'd need a map & tools to know what's going on. Your best bet in this situation is to contact Samsung and let them recommend an authorized service center in your area. Sorry I can't be of more help, but this is a rather serious problem.
Posted on Jun 16, 2009
Try leaving the TV unpugged for 30 minutes so the TV can reset itself.
If that doesn't work, most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you flashing red light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20.
I hope I shed some light on the subject for you.
Posted on Jun 29, 2009
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Diagnostic Test Indicators
When an error occurs, the POWER LED will flash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the first of the problem areas. If the errors occur simultaneously, the one that corresponds to the fewest flashes is identified first.
LED ERROR DESCRIPTION CODE
1 Supply Voltage Trouble Panel 5V UNReg (10.5V)
2 DE5V Voltage Trouble FE5V (DCALERT2)
3 Voltage Trouble D3.3V/D2.5V/D1.8V. (DCALERT1)
4 Backlight Trouble
5 Main Supply Voltage Trouble (17.5V.DET)
6 Speaker Applied Voltage Trouble
7 Monitor an Increase in Inside-Temperature (esp. on the panel side)
8 Trident IC Trouble
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