Topics
Author
Replies
Views
Last Post
A very persistent and hard to identify grounding problem
mosc
1
501
Mon Apr 07, 2025 1:27 pm
Grumble
Rene Schmitz 4069 VCO
[ Goto page:
1 , 2 , 3 ]
crazeydazey
54
30944
Sat May 18, 2024 11:10 am
Pourkascheff
can I use my dotcom psu for euro?
3amp to 3.4amp
bleekza
3
895
Thu May 16, 2024 12:29 pm
bleekza
Repurposing ye olde organ voice IC
A long shot, i know
trackhed
0
578
Fri May 10, 2024 10:33 pm
trackhed
YAMAHA PSR6 CERTAIN NOTES DO NOT WORK IN ALL OCTAVES
YAMAHA PSR6
Daniel8393939
3
927
Sat Feb 03, 2024 5:13 pm
Airlock
Replacement screws/hardware for Roland Alpha Juno?
hyperstationjr
0
514
Fri Feb 02, 2024 11:32 am
hyperstationjr
Vintage ARP ODYSSEY MKIII LFO issue
gregcomposition
3
1581
Wed Nov 22, 2023 3:33 pm
gregcomposition
Roland SH101 CPU problem
Seq/Arp does not function after replacing the power switch
earo
0
7274
Tue Oct 17, 2023 10:18 am
earo
4094 based shift register nightmare...
Snaper
7
2277
Tue Sep 26, 2023 8:46 am
Snaper
Any Yamaha CS-30 owners/techs out there? ENV 3 not working
How to test an IG00151, and a couple other questions
Jefro
1
2247
Mon Aug 07, 2023 3:54 pm
gregcomposition
Problem with Roland M181 keyboard
Dragon's Lair
0
7373
Fri Aug 04, 2023 1:09 pm
Dragon's Lair
Korg Mini Pops 7 quijada problem
Ljay43
0
1064
Sun Apr 02, 2023 1:03 pm
Ljay43
Getting electrocuted by cmos ics 4040 and 4016
Taller de Teknologia Libr
2
1470
Wed Feb 15, 2023 8:45 am
PHOBoS
Yamaha Pss 460, no sound! Amp La4500 replaced, but nothing!
Stereokromatik
7
4367
Sun Dec 18, 2022 10:20 am
DES
Soundcraft Folio RacPac problems
First the psu caps went up in smoke, now the thing's making strange sounds
kapachuchu
0
2182
Mon Oct 18, 2021 10:39 am
kapachuchu
What do you use to keep your SMD parts straight
Need to get the right storage and tools....
cslammy
0
1672
Wed Oct 13, 2021 10:54 am
cslammy
MS20 VCF Maybe???
crazeydazey
2
3338
Wed Oct 13, 2021 10:47 am
cslammy
Help for fixing Roland JV1080
lilpaula87
2
3227
Sun Oct 10, 2021 12:37 pm
lilpaula87
0v vs. Gnd in Elektor formant.
talkboxert
1
2400
Tue Aug 31, 2021 3:02 pm
blue hell
Roland keyboard has bum audio-out circuit
HP245 has good speakers, nothing good on TS jacks
BHA1
0
1848
Sat Apr 03, 2021 7:43 pm
BHA1
I'm fixing up my old radio + record player
Regebro
2
3133
Tue May 19, 2020 8:07 am
Regebro
Ground loop debugging/fixing (Old Synth)
Regebro
12
8244
Tue Mar 24, 2020 7:19 am
Regebro
Power to an 80’s DSM8+ analog drum modules
PSU Help
talkboxert
0
2290
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
3215
Wed Jan 15, 2020 9:17 am
Regebro
Waldorf Microwave Rev.A problem
gregcomposition
1
5272
Wed Jul 17, 2019 10:41 am
gregcomposition
Repare this
Crap
Cfish
7
7998
Mon Apr 22, 2019 1:35 am
donpachi
Rene Schmidt MS20 filter: when I crank CV output goes silent
OTA VCF "lockup"?
cslammy
8
10972
Tue Feb 26, 2019 7:40 pm
cslammy
Proteus 1 and 2 units. Help
Help
Cfish
1
3719
Sun Feb 24, 2019 11:36 am
Dragon's Lair
Triggering a drum on two consecutive beats with 4017
Meehah
6
7078
Mon Jan 21, 2019 3:07 pm
Meehah
Does this snare/hihat schematic look okay?
Meehah
7
8103
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
6111
Sat Dec 29, 2018 10:12 am
Beaufays
Found Super Simple LFO layout on the web.
emiz
5
9430
Sun Dec 16, 2018 2:34 pm
mercury8
Looking for Mike Irwin
Contact info
Mark Hammer
2
4602
Mon Nov 05, 2018 12:09 pm
Mark Hammer
Dumb question, how do you tighten up 3.5" jacks?
cslammy
1
3267
Mon Nov 05, 2018 11:23 am
PHOBoS
Repairing an SPX90 Reverb
Snuffles
2
4390
Fri Aug 03, 2018 1:24 pm
PHOBoS
Telemark-K V1 keyboard behavior
biscuitdough
1
3690
Thu Aug 02, 2018 8:42 pm
biscuitdough
Korg Delta Repair. Help needed!
Synth dead. Strings dead. Noise works fine
Ray_Ketamu
3
5727
Fri Jul 13, 2018 3:55 am
bunker
Moog Voyager - Problem with MOD bus 1
klangumsetzer
2
5166
Wed Apr 25, 2018 3:55 am
klangumsetzer
Roland CR-78: Repair broken traces and pads
tonewill
10
9406
Tue Apr 10, 2018 3:20 pm
tonewill
Strange keyboard behaviour. (Solved)
Roland VK1000
muzmuz
5
7285
Wed Apr 04, 2018 5:10 pm
muzmuz
Vintage ARP ODYSSEY MKIII output issue
gregcomposition
2
5128
Mon Mar 26, 2018 3:22 pm
gregcomposition
Rhodes 73 MKII needs some love
voltage_controller
2
5554
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
8434
Fri Feb 23, 2018 1:06 am
Sven
Arp Omni - Attack Release Troubleshooting
facon
10
15385
Thu Feb 15, 2018 10:37 pm
memetix
1SS133 Diode Replacement
blackout5
0
4023
Mon Feb 05, 2018 1:53 pm
blackout5
Bastl Skis - Dual Decay Envelope: Channel A doesn't work !
Sciamano
1
3885
Fri Dec 29, 2017 3:24 am
gabbagabi
Ground hum in DIY Sound Lab mini synth
flatledge
2
4468
Tue Dec 26, 2017 8:27 am
gabbagabi
Repairing Mackie CR1604VLZ, burnt transistor?
ma_headphone
1
3883
Thu Nov 30, 2017 11:30 pm
Grumble
Eagle help
bamboombaps
2
5504
Fri Nov 24, 2017 10:44 am
robpiya
Korg RK-100
Dragon's Lair
1
4180
Tue Nov 14, 2017 7:00 am
Dan Lavin
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