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How many times do this standby light flashes at one time switch ON? Count this and make sure, how many times it blinks. These blinks are fault indications. From these number of blinks, you will get an idea about the faulty section circuit inside it. It will narrow down the troubleshooting. If you wish to get more details about Sony Blinking Codes; check this link.
This is an error for no horzontal signal , high HT or poor regulation. You need to check on the +B and see if the SMPS- power supply is stable. If so on remove power cord from supply and after 15 mintues when it is switch on does the set power on to shut down. If so there is short or fault in the H section. This will require tests on the Horz. section for right frequency and regulation.
The flashing timer light blinks out a code, where it flashes some number of times, pauses, then repeats. The code indicates what fault is keeping the set from coming on. Unfortunately, all the codes tend to mean that there is some electronic problem with the TV. Unless you have some electronic servicing skills and the necessary equipment to troubleshoot the problem, you'll need to have set checked by a professional. For any code there can be many causes, so I can't offer any other advice.
This might be a good time to check sale prices on LCD sets. Let a technician check the set and give an estimate for the repair, then decide.
If you are not a professional Electronics guy,it is beyond you to tackle this problem. otherwise log on to www.free service manuals.com and see the SONY Blink codes and also download the service manual.best of luck
A few weeks ago my set started flashing to a black screen. Now a couple of weeks later, i have no picture, but the set turns on and i have sound. The standby light is flashing. I purchased the set in 2000 so it is seven years old. This is the first problem. Could it be all three of the bulbs?
Could it be all three of the bulbs?
as you say that sound is ok that means your power supply &high voltage section is ok.
please check chroma ic luminance section or system control section stand by ckt