Search found 4 matches

by AmpedVoltz
Fri Jan 04, 2019 12:24 am
Forum: HELP!
Topic: Six-Trak keeps hanging on boot
Replies: 0
Views: 1045

Six-Trak keeps hanging on boot

Hi, anyone recognize this problem: I have repaired several six-trak's, but this one is making the holidays hard It keeps hanging in the boot (all leds on and 00 on display). I have checked the reset-circuit and it's always +5V. So have checked the U113 and C1243 but the voltage at the negative-side ...
by AmpedVoltz
Sun Oct 29, 2017 5:45 pm
Forum: HELP!
Topic: Korg Trident MK1 problem
Replies: 3
Views: 2509

Re: Korg Trident MK1 problem

Hi all,

I finally found a solution! The IC15 (4051-multiplexer on the voice board) was broken, so replaced it with good result.

Thanks for your help
by AmpedVoltz
Mon Oct 16, 2017 4:41 pm
Forum: HELP!
Topic: Korg Trident MK1 problem
Replies: 3
Views: 2509

Re: Korg Trident MK1 problem

Hi,

Thanks for your reply.
Battery is fine, measuring 2.4V ...
All of the traces are also fine..

Any other ideas?
by AmpedVoltz
Tue Oct 03, 2017 11:59 pm
Forum: HELP!
Topic: Korg Trident MK1 problem
Replies: 3
Views: 2509

Korg Trident MK1 problem

First of all, hi! I'm fixing a Korg Trident MK1 at the moment and besides a bad power-transistor the synth is still not working like it should. Everything lights up, but there is no sound coming out of it (only the flanger can create a "flanging sound"). It has a stable +15V,+5V,-5V and -15V. I loo...