Question about Sony KLV40S550A LCD TV
TV will suddenly turn off by itself and the red light flashes 10 times. Self check guide on TV screen says WD- DTT
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Tv will not stay on.
This problem is related to ABL control .
Trace ABL signal from Pin no 11 of flyback transformer.Mostlikely value for the resistor in abl line has gone high.First case reduse the G2 voltage and see if the unit works for long.
Second case its sure that its ABL problem.
Posted on Dec 14, 2007
SOURCE: standby light flashes 3 times
A 3 flash pattern indicates that either the lamp is not seated correctly or that the lamp door is not latched properly. It can also be a fault with the switches that sense whether the lamp is seated or the door is latched. Try reseating the lamp and relatching the lamp door
Posted on Oct 20, 2008
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
SOURCE: KV-HX32 SONY WEGA TV
The hight voltage transformer it dead.The FBT(The flyback transformer is dead)The block of plastic with the red wire with a cap hook to the CRT(the tv tube).
Posted on Aug 25, 2009
Testimonial: "Thank you so much"
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