Question about Sony KV-32CS70 32" TV

2 Answers

HEllo All, I have a Sony KV-32CS76E TV and I

Hello All I have a Sony KV-32CS76E tv and I have been using it for 5 years without any problem. It suddenly broke down and its front led flashes 14 times then lights geern for a while after that it again flashes 14 times. I had a search on Net and found out that it is a back-end error for this model tv. I would be very gratefull if you kindly explain what is back-end error and what should have been the cause for this because I am very curious to learn the cause for this and which part of my tv might be broken. Thanks for your kind helps in advance

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  • Expert
  • 152 Answers

If I remember correctly, the back-end IC is on the A board.
It regulates 2 power sources, ( 9v and 5 v ) ?
Obviously they will not be there if the main sources to the board are not there, so you will need to monitor those.
The highest is a little over 100v, and there are others, about 20v, 11v, and 5v, I think they are marked om the board.

Posted on May 03, 2017

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  • Sony Master
  • 74,468 Answers

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.

Posted on May 03, 2017

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5 Suggested Answers

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Posted on Jan 02, 2017

CompuGuy44
  • 432 Answers

SOURCE: SONY TV KEEPS TURNING ITSELF OFF!!

You have to take it in to get it fixed. Five blinks means AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the Cboard, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

Posted on Jul 04, 2007

ctf1800
  • 4402 Answers

SOURCE: sony KV-36HS20

SEVEN Blinks---High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.

Posted on Jan 28, 2008

IrishDruid
  • 2712 Answers

SOURCE: sony trinitron kv-36fs76u

Hi,

From the symptoms you describe, it seems the high voltage flyback autotransformer has failed along with the horizontal amplifier (they are slaved to each other).

Well, the only way to solve this is to get a technician take a look at the set, I'm afraid. Repairs could cost upto $100 or more, depending upon the number of components that need to be replaced,

Since the set is new, it may be worth getting fixed up. If you decide to do so, call around, as shops have different rates and different expertise. Many shops are hurting for work because so many of the smaller sets are never repaired anymore; they are just thrown out and replaced since the cost of a new set is sometimes as low as the repair expense.

Hope that helps...Should you have any further questions, please feel free to post them here.

P.S. Before you assign a rating, please make sure that the issue is resolved or you are satisfied. If not, please post back as to what you did, and/or any other questions you may have, and I will try to assist you as best I can. Please do not assign an ‘Inappropriate’ or ‘Thanks for trying’ rating if your issue is not resolved after the first response itself, as sometimes a bit of to and fro dialogue may be necessary before we can find a fix or an answer to your query.

If you find that the solution/answer I provided led you to, or resulted in a fix, please close the ticket with a FixYa! rating. I would be very grateful for your show of appreciation.

Thank you for using FIXYA!

Cheers,
IrishDruid

Posted on Apr 26, 2008

  • 80 Answers

SOURCE: 3 flashes at my sony tv kv-29fx66k

you probably need new power supply diodes or solder connections, you need a qualified tv repairman to fix this.

Posted on Sep 15, 2009

Testimonial: "Thank you for your answer I will trie to repair the power supply and I will inform you about the result. danny"

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