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Davy
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 Posted: Sat Dec 31, 2005 8:35 pm Post subject: SONY STR KSL5 Protect Fault |
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| I have a SONY STR KSL5 home cinema system which after about 5 mins shuts off with the word "PROTECT" in the displa. There are no shorts on the speaker cables. If I switch off then back on again 10 mins later it will work for about 5mins then go off again. |
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[email protected]
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| Posted: Sat Jan 21, 2006 5:15 am Post subject: |
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Today I noticed the same. But after few power-offs for now works perfectly. I you will know what is the reason, let me know.
Greetings from Poland
[email protected] |
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rass
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| Posted: Sun Aug 30, 2009 7:15 pm Post subject: |
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turn it off, wait till the device cools down, plug in
it's worked in my case |
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Guest
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| Posted: Sun May 02, 2010 10:41 am Post subject: |
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I know the reason... In my case it was a bad soldering at the (5) Amplifier-IC below the aluminium heat-sink.
Only make the solderings new and it´ll work fine. I´ve done that at my KSL5 4 years ago and it still works without "PROTECT" 
Sorry - but my english isn´t very good! Hope, you understand what I mean... |
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Bitza
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| Posted: Thu Nov 11, 2010 6:30 pm Post subject: |
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| Anonymous wrote: | I know the reason... In my case it was a bad soldering at the (5) Amplifier-IC below the aluminium heat-sink.
Only make the solderings new and it´ll work fine. I´ve done that at my KSL5 4 years ago and it still works without "PROTECT"
Sorry - but my english isn´t very good! Hope, you understand what I mean... |
Yes, and ...that was it! I re-soldered the five IC's, and IT WORKS PERFECTLY!
Many thanks! |
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Guest
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| Posted: Sun Jan 23, 2011 3:39 pm Post subject: |
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| Bitza wrote: | | Anonymous wrote: | I know the reason... In my case it was a bad soldering at the (5) Amplifier-IC below the aluminium heat-sink.
Only make the solderings new and it´ll work fine. I´ve done that at my KSL5 4 years ago and it still works without "PROTECT"
Sorry - but my english isn´t very good! Hope, you understand what I mean... |
Yes, and ...that was it! I re-soldered the five IC's, and IT WORKS PERFECTLY!
Many thanks! |
i have the same problem with this amplifier.
Can you help me to solve it? Wich is the Amplifier-IC to resolder? Can you tell me the procedure that you have used to repair it? |
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MarcoIta
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| Posted: Mon Jan 24, 2011 7:20 pm Post subject: |
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Finally i have solved the problem!
The IC to solder is the 501 in my case. And now all works fine! For anyone that has this problem, check the welds under the plate for the five IC: 501 ic 601 ic701 ic751 etc....
YEAH MORE THANKSSSS!!!!!!!!!!!!!!!!!!  |
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Guest
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| Posted: Sat Mar 17, 2012 7:40 pm Post subject: |
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| Where does the black wire named LP801 connect to, thanks. |
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Justmanuals
Joined: 21 Aug 2004
Posts: 1948
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jts1957
Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
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