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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 KV27TS32 with funny picture, sounds great
My Sony KV27TS32 the other day displayed a funny picture, turning it off
and on restored the picture for about 2 mins. The sound is still working correctly. I took a picture to better explain this. Is the tube gone? http://130.65.112.148/kv27ts32.jpg A bit of history of this TV. I changed the 3 trans and resistor on the powersupply about 3 months ago. Thanks everyone for your help! Kenny |
#2
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Resolder the Posistor...Its the Black Cube on Powerboard.
kip "skype" wrote in message lkaboutelectronicequipment.com... My Sony KV27TS32 the other day displayed a funny picture, turning it off and on restored the picture for about 2 mins. The sound is still working correctly. I took a picture to better explain this. Is the tube gone? http://130.65.112.148/kv27ts32.jpg A bit of history of this TV. I changed the 3 trans and resistor on the powersupply about 3 months ago. Thanks everyone for your help! Kenny |
#3
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kip,
Thanks for your response. I resolder what I think is the posistor. No luck. http://130.65.112.148/kv27ts32posistor.JPG Is the black box with the red arrow pointing to it the posistor? Thanks! Kenny |
#4
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Yes that is the Posistor...
Has the TV been dropped ??? kip "skype" wrote in message lkaboutelectronicequipment.com... kip, Thanks for your response. I resolder what I think is the posistor. No luck. http://130.65.112.148/kv27ts32posistor.JPG Is the black box with the red arrow pointing to it the posistor? Thanks! Kenny |
#5
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nope.. never been dropped.
any chance the posistor is fried? Do I need a new posistor? thx |
#6
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anyone have any more suggestions before i throw this set away?
as always thanks for all the great help here. Kenny |
#7
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Check the resistance of the degauss coil... maybe its open.
When you first turn on the TV do you hear the degauss energize ? kip "skype" wrote in message lkaboutelectronicequipment.com... anyone have any more suggestions before i throw this set away? as always thanks for all the great help here. Kenny |
#8
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anyone have any more suggestions before i throw this set away?
as always thanks for all the great help here. Kenny |
#9
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Read what was sent to you.............
"skype" wrote in message lkaboutelectronicequipment.com... anyone have any more suggestions before i throw this set away? as always thanks for all the great help here. Kenny |
#10
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Sorry for the double post, I refreshed the page on accident.
I don't know where to check the resistance of the degauss coil. I know nothing about TV sets, I thought i just give it a try with my little knowledge on electronics. I do hear it energize. It makes the same sounds as it did before it stopped working. Only now I get the funny red, green, blue swirls. Thanks again! |
#11
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Ok Then sounds like the CRT is Bad.....Going by the Photo.
kip "skype" wrote in message lkaboutelectronicequipment.com... Sorry for the double post, I refreshed the page on accident. I don't know where to check the resistance of the degauss coil. I know nothing about TV sets, I thought i just give it a try with my little knowledge on electronics. I do hear it energize. It makes the same sounds as it did before it stopped working. Only now I get the funny red, green, blue swirls. Thanks again! |
#12
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tapping on the side of the set restored the picture. I opened it the set
and lifting the side where the posistor is restores the pictures. If I lift up and hold the board the picture is perfect. Looks like a bad connection somewhere, resoldered all the joints but still a bad connection somewhere. any thoughts? |
#13
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#14
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resoldered the IC501 and IC606 chips and it is working great again.
Thanks for your help kip. Kenny |
#15
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Hey !! Glad you up and running..
kip "skype" wrote in message lkaboutelectronicequipment.com... resoldered the IC501 and IC606 chips and it is working great again. Thanks for your help kip. Kenny |
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