My 4 year old Sony Trinitron model number KVV-32-FS120 serial number 4314194 will not power up. The red standby light blinks 9 time, stops briefly, blinks nine time, stops briefly, etc. I took the back off and checked all the wiring. I could find no loose wires. Everything looks clean inside but I vacuumed it anyway. I checked the small fuse on the main board ('A' board at location 601) and it is not blown. When I plugged in the TV after cleaning it, it still blinks and won't turn on. What else can I look at as a possible repair before calling a repairman? Is this TV worth repairing? How much is the repair likely to cost?
Mark
Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
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