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outlawsst
Joined: 07 Nov 2007
Posts: 9
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 Posted: Fri Nov 09, 2007 12:58 am Post subject: |
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| i bought the tv new and its never been worked on . chassis #DP23 .RK42 4.1 RK46 2.5 RK58 4.9 RK62 2.9 RK50 3.6 RK54 2.4 |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Sat Nov 10, 2007 12:08 am Post subject: |
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| RK42 ok, RK46 bad, RK58 ok, RK62 bad, RK50 bad, RK54 bad. It's called a catastrophic failure. Change the IC's and 4 resistors. |
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outlawsst
Joined: 07 Nov 2007
Posts: 9
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| Posted: Sat Nov 10, 2007 12:40 am Post subject: |
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| thank you very much minnie, i will order 2 stk392-180 and the 4 resistors and let you know how it goes. |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Sat Nov 10, 2007 12:57 am Post subject: |
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| E901 and E902 are your supply for the convergence ic's. |
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outlawsst
Joined: 07 Nov 2007
Posts: 9
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| Posted: Sat Nov 10, 2007 1:12 am Post subject: |
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| i checked them with a continuty tester they were good , my parts will be here in 8 days . the parts store said if i shipped them 2 days it would still take 8 . you are much easier to understand |
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outlaw sst
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| Posted: Sat Nov 24, 2007 6:16 pm Post subject: |
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| finally received all my parts yesterday ,shipping got screwed up . took about an hour to solder all the parts , everything works great . cmpalmer.blogspot.com has some good pics. thanks for taking the time to help minnie you are appreciated. |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Sun Nov 25, 2007 9:39 pm Post subject: |
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Glad you got it going!  |
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Juice83
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| Posted: Mon Sep 28, 2009 7:20 pm Post subject: Hitachi 51swx20b |
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| have same problem with mine but I only have 2 stk394-160...havent tested my resistors yet |
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Juice83
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| Posted: Mon Sep 28, 2009 11:30 pm Post subject: |
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| minnie wrote: | | RK42 ok, RK46 bad, RK58 ok, RK62 bad, RK50 bad, RK54 bad. It's called a catastrophic failure. Change the IC's and 4 resistors. |
how do u kno if they r bad? my multimeter is giving me a little bit higher reading than what they were supposed to have |
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jts1957
Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
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| Posted: Tue Sep 29, 2009 7:37 am Post subject: |
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Take the value of the resistor - add 10% and subtract 10%. If the value you read falls within this range - resistor is good. Example: 100 ohm is good if reads anywhere between 90 and 110 ohms. 
I only used 10% as an example, yours may be 5%?
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