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!
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!
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
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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