[sdiy] slightly OT - chorus pedal schematic?

Tom Wiltshire tom at electricdruid.net
Mon Feb 8 16:19:24 CET 2010


If you don't find a schematic for the actual device, I could dig out  
a heap of chorus schematics that use the same delay lines. They'd  
give you some clues - these things often don't vary a lot.

T.

On 8 Feb 2010, at 14:04, Dave Kendall wrote:

> Good point Damian.
>
> It uses an MN3209, an MN3102, an LM339 and a 4558. Only has rate  
> and deptyh controls, so should be simple.
>
> cheers,
> Dave
>
>
> On Feb 8, 2010, at 12:33, cheater cheater wrote:
>
>> You might have luck if you identify the BBD chips and look in the  
>> app notes.
>>
>> HTH
>> D.
>>
>> On Mon, Feb 8, 2010 at 06:44, Dave Kendall  
>> <davekendall at ntlworld.com> wrote:
>>> Hi.
>>>
>>> Hope this isn't too OT. I have an old loco box CH-01 chorus pedal  
>>> that I'm
>>> trying to get working and modify for synth use, and a schematic  
>>> would be
>>> very helpful. A google search was a fail.
>>>
>>> Anyone know of a source, or can recommend a good stompbox forum?
>>>
>>> Cheers,
>>> Dave
>>>
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>>>
>>
>
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