Yahoo Groups archive

Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

Message

Re: Siel DK70 Not powering up-- anyone have a service manual?

2010-09-25 by Scott

--- In vintagesynthrepair@yahoogroups.com, timothy kosiorek <tkosiorek@...> wrote:
>
> 
> I've got a DK70 and a service manual ,I'll need to look around for it but I can send you some scans of the boards and circuits you need,just let me know which ones you want,reply to me at tkosiorek@... so I can reply with the attachments.
> Tim K.
> 
> 
>  
>Check the cabling from the power supply to the other PCB. Continuity test

Check for AC ripple on the Electrolytics on the P.S. board. Any more than 5% of the DC not so good.

Check rectifier diodes with a meter.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.