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PaulB
Joined: 26 Oct 2007
Posts: 359
Location: Bonnie (but rainy) Scotland
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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PaulB
Joined: 26 Oct 2007
Posts: 359
Location: Bonnie (but rainy) Scotland
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| Posted: Wed Feb 20, 2008 3:29 pm Post subject: |
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Thanks Athanasios.
Paul
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PaulB
Joined: 26 Oct 2007
Posts: 359
Location: Bonnie (but rainy) Scotland
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| Posted: Sat Mar 08, 2008 4:44 pm Post subject: |
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And another question from the mindless masses!
You recommended changing the MC34074P opamps on the Focus Board but what about the HDM? There are three MC34074P's there although they have the suffix of CTE09521 instead of KDE9452 that the Focus board has. Can the TLE2074's be used in the HDM as well or is the MC34074P chip in the HDM a different one?
Maybe there is no real gain in changing these anyway?
HDM
thanks,
Paul
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Sat Mar 08, 2008 6:15 pm Post subject: |
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They can be changed if you want , the second set of numbers/letters are date codes of where and when they were made. I have not looked at that boards schematics or read the service manual. its one i will look at some time in the future. I am not sure if they control anything worth while realting to any line placement that could affect stability. But if you have extra chips why not put in lower noise ones it couldnt hurt but might not make a difference either.
Athanasios
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