[sdiy] help with strange BBD chips (sony) (Kenwood time delay)

[GRAHAM ATKINS]

Hi Dan,

Your reference to the VCR could well be video delays for some purpose.  
Optical one line delays were
used for error correction and are usually 2 transducers and a quartz  
block hence the physical size.

Graham

On May 27, 2008, at 13:42, Dan Snazelle wrote:

>
> In the last few months I found a Kenwood EQ/time delay component  
> (ge-1000)that is labeled as a  "time delay for spatial and delay  
> effects"
>
> i opened it up and the only chips that could be BBD's are the SONY  
> 766 chips (sony 766 103 1g)
>
> there are 2 (left and right) and the only other chips are opamps or  
> regulators,etc.
>
> anyway, i can't find any information on them. i bet they'd be great  
> for a flanger or chorus.
>
> also in the last few months I salvaged an early 1980's VCR and while  
> opening it up i found 2 big plastic boxes labelled
>
> "kss DELAY LINE ms-21" and KSS delay line MS-15"
>
>
> can i use these for delay or phase shift effect?
>
> i am constantly surprised at how many chips DONT turn up in my  
> datasheet searches.
> is this because they were just made for a specific product and  they  
> were never available to the public?
>
> anyway, any help would be greatly appreciated.
>
> thanks
>
>
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