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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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SONY TV switching on problem
I have a sony model No KV-27EXR20 ,I no longer am able to turn it on
by remote control and when I try to start it manually it clicks back. This TV had this problem twice before and I took it to authorized sony service and they changed a small part,that I misplaced it therefore I don't know the Part No. I wounder if you could tell me what the part No is and what it is called so that I could order it, I am not ready to take the TV back for repair and pay $165.00 plus tax for the third time. I do thank you for your help in advance. |
#2
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SONY TV switching on problem
"mah" wrote in message
... I have a sony model No KV-27EXR20 ,I no longer am able to turn it on by remote control and when I try to start it manually it clicks back. This TV had this problem twice before and I took it to authorized sony service and they changed a small part,that I misplaced it therefore I don't know the Part No. I wounder if you could tell me what the part No is and what it is called so that I could order it, I am not ready to take the TV back for repair and pay $165.00 plus tax for the third time. I do thank you for your help in advance. If you are not a technician, a TV- especially a Sony- and most especially this series - is no place to start. Mark Z. |
#3
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SONY TV switching on problem
On Wed, 4 Mar 2009 21:14:28 -0800 (PST), mah wrote:
I have a sony model No KV-27EXR20 ,I no longer am able to turn it on by remote control and when I try to start it manually it clicks back. This TV had this problem twice before and I took it to authorized sony service and they changed a small part,that I misplaced it therefore I don't know the Part No. I wounder if you could tell me what the part No is and what it is called so that I could order it, I am not ready to take the TV back for repair and pay $165.00 plus tax for the third time. I do thank you for your help in advance. The problem is probably the power supply switching ic which has an inadequate heatsink area. I agree with Mark that if you aren't technically adept, I'd not attempt a repair. Chuck |
#4
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SONY TV switching on problem
"mah" wrote in message ... I have a sony model No KV-27EXR20 ,I no longer am able to turn it on by remote control and when I try to start it manually it clicks back. This TV had this problem twice before and I took it to authorized sony service and they changed a small part,that I misplaced it therefore I don't know the Part No. I wounder if you could tell me what the part No is and what it is called so that I could order it, I am not ready to take the TV back for repair and pay $165.00 plus tax for the third time. I do thank you for your help in advance. There are many different components which can cause that same symptom, and there's no guarantee the same part has failed. So even if you find the old part or your repair invoice, then replace this same part, the TV may not work. The TV must be troubleshot by a technician so the defective component(s) can be replaced. |
#5
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SONY TV switching on problem
Dear Friend,
If you realy like to troubleshoot follow the steps listed below. 1. Check the AC plug and the cables for loose connections. 2. Switch off or pull out wall outlet power. 3. Remove the back cover of the TV. 4. Very Carefuly see any loose connection or anything strange. 5. If you are not a technician then you have to note down all the wire position numbers and locations of the board. 6. Pull out all the cable and wires and remove the Main Board Out very Carefully. 7.Clean the board with a brush. 8. Turn the board to soldering side (Down Side) look very closely for possible dry joints. 9.If Yes you have to solder those points very carefully. 10. If you are not sure then take a Electronics course from http://www.go1.web.officelive.com or write to me seperatly for help. See you online. GO1.WEB Team http://www.go1.web.officelive.com |
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