Question about Sony FD Trinitron KD-34XBR960 34" TV

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Sony KD-34XBR960....problem is that screen is black; LED light blinks 7 times in a row pauses and then starts blinking again. Have powered off and no improvement.

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This tv have two power ICS left side of the FBT-The Flyback Transformer.The big black block of plastic with a red wire with a cap hook to a CRT(tv tube).Replaced those 2 power ICS,tv will solved this LED power light flashing,tv will have stable power again,tv will work.

Posted on Oct 23, 2010

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Posted on Jan 02, 2017

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Panasonic TC-P55UT50 plasma went black. power light blinks 7 times, pauses blinks 7 times. Is this a power board? or Y-Sustain?


These 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.
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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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Could just be a power issue. I have not done much with CRT televisions except smash them to bits. I would open it up and try and look for anything obvious. Since it is taking so long to come on, I am wandering if there is a cap that is failing. It will be hard to know if there is no visual evidence of failure, and the only true way to measure is with an ESR meter.

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Count the number of blinks of standby light at one time after switch ON. Count it once more and make sure that the out is correct. These blinks are fault indications. Check this link to get more details about the blinking codes to Sony Trinitron TVs. Details are there. You can locate the faulty section by these blinkings. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock! Instead, contact the nearest service center.

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I have a Sony KD-34XBR960 that sound like it is


phillips has the same problem but if your tv actually turns on it could be a short or just a fuse sonys a better tv than phillips should be an easy fix call a repir guy going price for that problem is 75.00 dont pay any more than that. the economy is bad everyone needs the work be smart. make sure if you say yes to the work that the repair guy will waive the consultaion cost of usually 35 to 75 dollars, if you chose to have the work done.

Jun 02, 2010 | Sony FD Trinitron KD-34XBR960 34" TV

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The standby light shouldbe blinking is a pattern of a count followed by a pause then the count again repeatedly. If you can post that count here, we can use that to indicate the circiut in which the problem exists. That will determine the probable cost to repair.

Thanks

DAn

Feb 08, 2010 | Sony FD Trinitron KD-34XBR960 34" TV

1 Answer

Stanby lights blinks 6 times pauses then 6 x and pauses


Good day.

try to check for loose contacts along the power supply section then resolder. Also, check for shorted vertical IC.


Chris

Nov 08, 2009 | Sony FD Trinitron KD-34XBR960 34" TV

1 Answer

Sony Trinitron Wega Standby blinks & the TV won't turn 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/
http://homenol.blogspot.com/
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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Turning your tv off did not cause this issue, so don't blame yourself for that. A 6 or 7 blink shutdown is because one of the two switch mode power supply control ic's have failed. the part number on them is mcz3001. They are located on the "D" baord, i don't recommend replacing this yourself because even with a tv unplugged from the wall high voltages still exist in the set.

A repairman may preform one of the two following things, he may change the whole D board or he may replace the individual components. The repair will cost around $200 if they replace the components, and if they replace the board it will cost more.

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1 Answer

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HI, this is the result of an unstable power sector in this unit. the fly back is malfunctioning and, you will need to replace it asap. i will list the part number below and a link to a site as well. you can purchase this part on-line if you wish.

FBT ASSY NX-4521//X4
Sony Part Number: 1-453-310-11

CLICK HERE TO ORDER

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