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Fudman
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 Posted: Fri Sep 01, 2006 6:02 am Post subject: Sony KP-43T75 Problem |
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I have an unusual problem with my KP-43T75 rear projection TV that the Sony Direct Response Center nor the local Sony repair man can diagnose. The TV went blank when my kids were watching so they shut it off. When I powered it up, the red TIMER/STANDBY light blinks once and then stays on. There is no flashing error code, just one blink and it stays on. There is no video or sound. I also cannot shut the TV off with either the remote or the front panel on/off switch. The only thing I can do is unplug it.
Does anyone have any ideas regarding this problem? Is the TV toast? Any help would be appreciated. |
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Kurious1
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| Posted: Fri May 11, 2007 6:37 pm Post subject: KP-43T75 RE: Fudman |
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| Kurious as to know what solved the problem with your Sony screen tv. I have the same problem. Thanks. [email protected] |
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Kurious1
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| Posted: Fri May 11, 2007 6:41 pm Post subject: Re: Sony KP-43T75 Problem |
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| Fudman wrote: | I have an unusual problem with my KP-43T75 rear projection TV that the Sony Direct Response Center nor the local Sony repair man can diagnose. The TV went blank when my kids were watching so they shut it off. When I powered it up, the red TIMER/STANDBY light blinks once and then stays on. There is no flashing error code, just one blink and it stays on. There is no video or sound. I also cannot shut the TV off with either the remote or the front panel on/off switch. The only thing I can do is unplug it.
Does anyone have any ideas regarding this problem? Is the TV toast? Any help would be appreciated. |
[email protected] would like to know what you figured-out with your Sony. |
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Kurious
Joined: 10 May 2007
Posts: 2
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| Posted: Tue May 15, 2007 1:47 pm Post subject: Sony KP-43T75 no power-up |
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| Can anyone let me know if they have any ideas as to a power-on light is working, no codes, no picture, no sound, and a must unplug for a retry only symptom. The main fuse is ok. Any help would be appreciated. |
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cory
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| Posted: Tue May 15, 2007 11:50 pm Post subject: |
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| im not 100% sure but this chassis might have pcb mounted on ride side looking from back,with 2 convergence ics on it.also 2 3.15 amp fuses.check fuses,if one open change ics (stk392-010) and fuse. |
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Kurious1
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| Posted: Wed May 16, 2007 1:36 pm Post subject: Sony KP-43T75 |
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| Thanks Cory. It does have the 2 Chips, but I can only locate 1 fuse. I will double check. God Bless.Kurious. |
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Kurious
Joined: 10 May 2007
Posts: 2
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| Posted: Fri Jun 01, 2007 4:50 pm Post subject: Kurious |
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| Both IC,s have been replaced. TV has only 1 fuse- which is good. Anyone for some more ideas. Thanks. K. |
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minnie
Joined: 18 Aug 2005
Posts: 2877
Location: Hell
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| Posted: Fri Jun 01, 2007 9:52 pm Post subject: |
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| Start with the basics, check the horizontal out put transistor near the flyback to see if it's shorted. |
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Kurious1
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| Posted: Sat Jun 02, 2007 4:35 pm Post subject: KP43T75 |
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| I really appreciate your help- but I just threw it out. SONY's suck. Who do you recommend as a fair manufacturer? Thanks. K. |
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