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Rene Schmitz 4069 VCO
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crazeydazey
52
5160
Mon Nov 16, 2020 9:07 am
PERFORMANCE
I'm fixing up my old radio + record player
Regebro
2
467
Tue May 19, 2020 8:07 am
Regebro
Ground loop debugging/fixing (Old Synth)
Regebro
12
1714
Tue Mar 24, 2020 7:19 am
Regebro
MS20 VCF Maybe???
crazeydazey
1
529
Tue Mar 03, 2020 2:02 pm
crazeydazey
Power to an 80’s DSM8+ analog drum modules
PSU Help
talkboxert
0
442
Sat Feb 22, 2020 3:36 am
talkboxert
Roland SH-3A with ADSR issues
Attack and Release are good, but no dice on the Decay and Sustain controls
Hild
1
805
Wed Jan 15, 2020 9:17 am
Regebro
Waldorf Microwave Rev.A problem
gregcomposition
1
2723
Wed Jul 17, 2019 10:41 am
gregcomposition
Repare this
Crap
Cfish
7
3324
Mon Apr 22, 2019 1:35 am
donpachi
Rene Schmidt MS20 filter: when I crank CV output goes silent
OTA VCF "lockup"?
cslammy
8
4523
Tue Feb 26, 2019 7:40 pm
cslammy
Proteus 1 and 2 units. Help
Help
Cfish
1
1780
Sun Feb 24, 2019 11:36 am
Dragon's Lair
Triggering a drum on two consecutive beats with 4017
Meehah
6
3035
Mon Jan 21, 2019 3:07 pm
Meehah
Does this snare/hihat schematic look okay?
Meehah
7
3217
Wed Jan 09, 2019 12:45 am
Meehah
{solved} What's wrong with my op amp buffer??
something strange is going on with the simplest of opamp buffer circuits
Beaufays
5
2700
Sat Dec 29, 2018 10:12 am
Beaufays
Found Super Simple LFO layout on the web.
emiz
5
5271
Sun Dec 16, 2018 2:34 pm
mercury8
Looking for Mike Irwin
Contact info
Mark Hammer
2
2806
Mon Nov 05, 2018 12:09 pm
Mark Hammer
Dumb question, how do you tighten up 3.5" jacks?
cslammy
1
1801
Mon Nov 05, 2018 11:23 am
PHOBoS
Repairing an SPX90 Reverb
Snuffles
2
2506
Fri Aug 03, 2018 1:24 pm
PHOBoS
Telemark-K V1 keyboard behavior
biscuitdough
1
2160
Thu Aug 02, 2018 8:42 pm
biscuitdough
Korg Delta Repair. Help needed!
Synth dead. Strings dead. Noise works fine
Ray_Ketamu
3
3641
Fri Jul 13, 2018 3:55 am
bunker
Moog Voyager - Problem with MOD bus 1
klangumsetzer
2
2986
Wed Apr 25, 2018 3:55 am
klangumsetzer
Roland CR-78: Repair broken traces and pads
tonewill
10
5410
Tue Apr 10, 2018 3:20 pm
tonewill
Strange keyboard behaviour. (Solved)
Roland VK1000
muzmuz
5
4228
Wed Apr 04, 2018 5:10 pm
muzmuz
Vintage ARP ODYSSEY MKIII output issue
gregcomposition
2
3110
Mon Mar 26, 2018 3:22 pm
gregcomposition
Rhodes 73 MKII needs some love
voltage_controller
2
3854
Tue Mar 13, 2018 6:25 pm
voltage_controller
Roland U-20 key-contact repair
Now that I've got the bottom off, how do I get the keybed out?!?
Bultaco
7
4569
Fri Feb 23, 2018 1:06 am
Sven
Arp Omni - Attack Release Troubleshooting
facon
10
10887
Thu Feb 15, 2018 10:37 pm
memetix
1SS133 Diode Replacement
blackout5
0
2366
Mon Feb 05, 2018 1:53 pm
blackout5
Bastl Skis - Dual Decay Envelope: Channel A doesn't work !
Sciamano
1
2529
Fri Dec 29, 2017 3:24 am
gabbagabi
Ground hum in DIY Sound Lab mini synth
flatledge
2
2826
Tue Dec 26, 2017 8:27 am
gabbagabi
Repairing Mackie CR1604VLZ, burnt transistor?
ma_headphone
1
2569
Thu Nov 30, 2017 11:30 pm
Grumble
Eagle help
bamboombaps
2
4013
Fri Nov 24, 2017 10:44 am
robpiya
Korg RK-100
Dragon's Lair
1
2860
Tue Nov 14, 2017 7:00 am
Dan Lavin
Choice of multimeter for DIY/repair
Which multimeter with which features should I get?
electrospeaker
8
7241
Sat Aug 26, 2017 12:07 am
Grumble
Nord Lead 3 headphone output problem
ferrante
0
2538
Fri Aug 11, 2017 1:08 am
ferrante
Casio Sampler CTK 2300 power supply question/shutting off
brainstormer
3
4125
Wed Mar 22, 2017 8:09 pm
brainstormer
Could DIY Pedals Damage Keyboard Input?
samp
3
4318
Mon Mar 13, 2017 6:11 pm
State Machine
Korg DW-6000 detuned voices
four of the six voices have weird tuning issues
beep
0
2764
Mon Mar 13, 2017 8:25 am
beep
Farfisa rhythm 10 drum machine
Schematic
jrbobdobbs75
0
2727
Wed Feb 08, 2017 6:57 pm
jrbobdobbs75
Bontempi System 5 keyboard shuts off when I play a key?
brainstormer
1
3258
Wed Dec 14, 2016 3:24 pm
brainstormer
Kenton Midi->CV inside Moog Prodigy high pitched whine
kynsi
8
6964
Sat Oct 29, 2016 8:36 am
Blue Hell
Good tech in the Atlanta area?
XpanderXT
0
2893
Tue Oct 11, 2016 1:00 pm
XpanderXT
K2600 (Kurzweil) display and the elastomeric connection
Fixed!!!!
kkissinger
11
12516
Thu Oct 06, 2016 7:43 pm
kkissinger
Boss RSD-10 Repairs
edjwise
0
2996
Sat Oct 01, 2016 1:19 pm
edjwise
Casio CZ1 Relay Bypass help
Need some help bypassing the relay
monobobby
2
3940
Sat Aug 27, 2016 5:48 pm
monobobby
Mono/Poly noise in CV?
agustindead
0
3142
Wed Jul 27, 2016 1:30 pm
agustindead
Korg Poly 800 coil replacement??
agustindead
6
5962
Thu Jul 21, 2016 1:51 pm
Blue Hell
Muteable instruments module tester problems
bamboombaps
2
3924
Sat Jun 04, 2016 2:50 am
bamboombaps
Very strange 'Very simple sawtooth VCO (V/Hz)' problem
sharkattackeddie
2
3991
Fri Jun 03, 2016 3:39 pm
Blue Hell
Oberheim 4 voice
oscillator is running at 50kHz
XpanderXT
4
4596
Sat May 28, 2016 8:51 am
XpanderXT
Servicing a Korg Stage Echo
umschmitt
0
3133
Mon May 02, 2016 7:44 am
umschmitt
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