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  Topic: Korg M1 - advancing through the programs
the_crimson_thunder

Replies: 5
Views: 152

PostForum: Korg Synths (General)   Posted: Tue Feb 27, 2024 12:44 pm   Subject: Korg M1 - advancing through the programs
Hi schmoelzel - welcome to the forum! Very Happy

A 'normal' working M1/M1R lets you trawl through the PROGS/COMBIS by using the numeric buttons as well as the UP/DOWN buttons...

...so the behaviour of ...
  Topic: Korg M1 "Blank/Empty" Screen
the_crimson_thunder

Replies: 4
Views: 3234

PostForum: Korg Synths (General)   Posted: Wed Aug 24, 2022 12:17 pm   Subject: Korg M1 "Blank/Empty" Screen
Hi Crummy,

some years ago I had contact to a guy whose M1 didn't start - here's the outcome he had:

I thought you may be interested to hear my experiences with my faulty Korg M1 as we discussed ...
  Topic: Korg 05R/W Mode Change
the_crimson_thunder

Replies: 1
Views: 1538

PostForum: Korg Synths (General)   Posted: Thu Jun 09, 2022 12:11 pm   Subject: Korg 05R/W Mode Change
Hi Voxneon,

I'm not familiar with the Korg 05R/W but I think to change the modes you'll have to send (a) appropriate SYSEX message(s).

Maybe this posts can be helpful (especially the first link ...
  Topic: Korg 05R/W firmware file/dump request
the_crimson_thunder

Replies: 3
Views: 2494

PostForum: Korg Synths (General)   Posted: Thu Apr 07, 2022 9:55 pm   Subject: Korg 05R/W firmware file/dump request
@Skate323k137:

Check your PM's (Private Messages).. Wink
  Topic: Korg M1 / M1REX
the_crimson_thunder

Replies: 2
Views: 1493

PostForum: Korg Synths (General)   Posted: Thu Mar 17, 2022 4:25 pm   Subject: Classic M1 sounds into the M1REX
Hi Alex,

yes, of course it is possible! Very Happy

You just need a sysex file containing those 'classic' patches and send it to your M1REX from a computer via MIDI (i.e. using MidiOx (freeware) ).

...
  Topic: Strange Sounds from the M1
the_crimson_thunder

Replies: 3
Views: 2332

PostForum: Korg Synths (General)   Posted: Tue May 11, 2021 8:00 am   Subject: Strange Sounds from the M1
How did you measure the psu's voltage?

Since it is a switching power unit you can't measure its output voltages 'stand-alone'! Those psu's do need a certain minimum load for proper working. You mus ...
  Topic: Korg 01wfd turn off and no power again! What is this?
the_crimson_thunder

Replies: 10
Views: 2886

PostForum: Korg Synths (General)   Posted: Sun May 09, 2021 9:49 pm   Subject: Korg 01wfd turn off and no power again!
Those voltage values are all ok! I don't think that the transformer is faulty. Are those voltages you've measured still present if the synth 'switches off by himself'? Or only when in working order?
...
  Topic: Korg 01wfd turn off and no power again! What is this?
the_crimson_thunder

Replies: 10
Views: 2886

PostForum: Korg Synths (General)   Posted: Sun May 09, 2021 3:26 pm   Subject: Korg 01wfd turn off and no power again!
Judging from your video: you don't measure correct! That connector goes straight to the transformer where the output voltages are AC! But your meter is set to DC!

Related to your video you have (fr ...
  Topic: Korg 01wfd turn off and no power again! What is this?
the_crimson_thunder

Replies: 10
Views: 2886

PostForum: Korg Synths (General)   Posted: Sun May 09, 2021 11:36 am   Subject: Korg 01wfd turn off and no power again!
Have you already checked the 3 fuses on the power supply board?

Depending on your mains voltage those fuses are:

110V - 120V:
FU2 &FU3: 1,5A slow blow
Fu4: 6,3A slow blow

220V - 240V:
...
  Topic: Looking for help in finding a member...
the_crimson_thunder

Replies: 6
Views: 1850

PostForum: Korg Synths (General)   Posted: Fri May 07, 2021 1:40 pm   Subject: Looking for help in finding a member...
Here's some posting from this year (2021):
http://www.korgforums.com/forum/phpBB2/viewtopic.php?p=798951#798951

Why not trying to PM him (in case you already haven't)...?

Best,
Michael
  Topic: Korg M1 weird issue (freezing)
the_crimson_thunder

Replies: 3
Views: 1495

PostForum: Korg Synths (General)   Posted: Tue May 04, 2021 12:02 pm   Subject: Korg M1 weird issue (freezing)
Ah ok,

glad you solved the issue - thanks for coming back with the solution Very Happy

Best,
Michael
  Topic: Korg M1 weird issue (freezing)
the_crimson_thunder

Replies: 3
Views: 1495

PostForum: Korg Synths (General)   Posted: Tue May 04, 2021 11:49 am   Subject: Korg M1 weird issue (freezing)
Hi belzrebuth,

to me it sounds as if there's a kind of loose connection somewhere. I suggest to check the solder joints that you have been working on and carefully resolder them if in doubt.

You ...
  Topic: M1R EX vs. T1 vs. M1 waveforms?
the_crimson_thunder

Replies: 11
Views: 4324

PostForum: Korg Synths (General)   Posted: Mon Feb 01, 2021 4:00 pm   Subject: M1R EX vs. T1 vs. M1 waveforms?
Hi Frank,

this are the additional waveforms on a M1Ex/M1REx:
https://www.bilder-upload.eu/thumb/e9b8f3-1612194445.jpgunchanged as
do the Drumsamples 01 - 44
  Topic: Korg M1 PCB Transformer TYA 024 anyone know replacement ?
the_crimson_thunder

Replies: 2
Views: 2153

PostForum: Korg Synths (General)   Posted: Mon Nov 02, 2020 3:30 pm   Subject: Korg M1 PCB Transformer TYA 024
Hi DMBSTUDIO,

what made you think that the transformer needs to be replaced? I'm not saying this can't be possible, but I never heard of a defective transformer on one of these synths PSU's...

I ...
  Topic: Strange Sounds from the M1
the_crimson_thunder

Replies: 3
Views: 2332

PostForum: Korg Synths (General)   Posted: Thu Jul 23, 2020 4:11 pm   Subject: Strange Sounds from the M1
Hi there,

so you said you already have recapped the synth - does that mean the PSU as well as the mainboard? I had a M1 with a leaking electrolytic capacitor (C32) where the acid crept under the AD ...
 
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