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5th July 2004, 07:49 AM
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#1 |
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diyAudio Member
Join Date: Apr 2004
Location: Taipei
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Saa7210 Deem....
HI !
I HAVE A CDP PHILIPS CD460 , I WANT MODIFY ANALOG OUTPUT CIRCUIT, BUT I HAVE A PROBLEM: DECORDER IC SAA7210 PIN32 ¡§DEEM¡¨ LOOK LIKE TO CONTROL Butterworth LPF , I DON`T KNOW WHY TO DO THIS? AND WHAT IS ¡§DEEM¡¨? THANKS! |
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5th July 2004, 06:02 PM
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#2 |
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Banned
Join Date: Feb 2002
Location: As far from the NOSsers as possible
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Oy.....
Pin 32 is de-emp out. It controls 6316.......which then turns on 6317 & 6318...which switches in the additonal parts (2353/3349 & 2351 on one side........and 3348/2352 & 2350 on the other side......) to allow for de-emphasis to occur.
Jocko |
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