Whites Coinmaster 5000 S1 Mod

[hugo]

Dear all,
I've got a White's CM 5000 S1.
Does anybody already upgrade this MD with a dual tone discrimination ?
If so, I'll be very pleased if someone can post a working schematic !
(Or give me enough information to do it)
Regards,
Hugo

[Eugene52]

whites upgrade

Hello . I think I have an upgrade , so I will post as soon as I find it...Regards .....Eugene

[hugo]

whites upgrade

Hi Eugene52,
Thanks for your answer.
Waiting to hear from you soon,
Regards,
Hugo