Question about Sony FD Trinitron WEGA KD-27FS170 TV

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Power on problem

Hi when i switch the tv on sound comes on straight away but video takes upto 3 minutes to appear. the front led is blinking 5 times red, then once green the set is connected to a sky+ box please help thanks neil

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Many of the later model Sony TV?s have a built in self-diagnosis function. AKB circuit (automatic kine bias), the timer/standby indicator blinks 5 times for about 30 seconds then goes to the self-diagnosis function. In other words, the IC chips on the Cboard are burned out. This repair is not one that should be attempted by the end user. This repair will need special test equipment. You will need to take it in for repair. It shouldn't cost more than $170-$200. This is cheaper than a new TV set.

Posted on Jun 23, 2007

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Posted on Jan 02, 2017

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Samsung lns4041dx/xaa tv takes a long time to turn on the red LED light blinks 3 times then disappears - then LED light comes on again repeats the process for about 7 - 10 minutes then the TV turns on. ...


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://electro-medical.blogspot.com/
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http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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