Search found 1209 matches

by Maschinengeist
Sun Feb 21, 2010 7:54 am
Forum: HELP!
Topic: Power Supply problem with TR-707
Replies: 25
Views: 4048

Re: Power Supply problem with TR-707

I always forget to ask about the fuse. I guess I presume everyone check that first. If you don't know too much about testing with a multimeter, please stop venturing in there. You might do more damages than good. If your 707 works now, please leave it as it is. If it still act funky, post in here an...
by Maschinengeist
Sun Feb 21, 2010 4:49 am
Forum: HELP!
Topic: Question about my Kurzweil K2000
Replies: 4
Views: 279

Re: Question about my Kurzweil K2000

There's nothing in the 530 pages manual???

You can download it here (if you don't have it already): http://www.kurzweilmusicsystems.com/Pro ... =downloads
by Maschinengeist
Fri Feb 19, 2010 1:33 am
Forum: HELP!
Topic: Yamaha mr10 mods
Replies: 4
Views: 2234

Re: Yamaha mr10 mods

If I weren't so busy I would do it.
by Maschinengeist
Fri Feb 19, 2010 1:25 am
Forum: HELP!
Topic: Need Korg SE-500 Stage Echo schematics
Replies: 1
Views: 341

Re: Need Korg SE-500 Stage Echo schematics

I should have it if you don't find it yet.
by Maschinengeist
Tue Feb 16, 2010 4:57 am
Forum: HELP!
Topic: Power Supply problem with TR-707
Replies: 25
Views: 4048

Re: Power Supply problem with TR-707

You don't need the values to test them. Here how to test them (minus the Zener & Schottky ones, which are tested differently): http://www.kilowattclassroom.com/Archive/AN0001.pdf
by Maschinengeist
Fri Feb 12, 2010 3:28 am
Forum: HELP!
Topic: Access Virus B- Headphone output. dead??
Replies: 3
Views: 318

Re: Access Virus B- Headphone output. dead??

What offen happen is a bad solder joint underneath the socket. Please have a look at them and don't hesitate to re-do them. Sometimes a microsopic crack is enough to throw s**t in the fan. As for the capacitor, test it with a capacitometer (many multimeter does have it). An output is composed of a c...
by Maschinengeist
Fri Feb 12, 2010 2:54 am
Forum: HELP!
Topic: Quasimidi power adapter specs
Replies: 1
Views: 203

Re: Quasimidi power adapter specs

You can ask here: http://launch.groups.yahoo.com/group/quasimidi/

But test your power adapter first with a multimeter set to VDC to see if it is dead. If not, the problem is inside the synth.
by Maschinengeist
Wed Feb 10, 2010 11:30 am
Forum: HELP!
Topic: MS2000B Expression Pedal assignment question
Replies: 3
Views: 430

Re: MS2000B Expression Pedal assignment question

Thank you stab!
by Maschinengeist
Wed Feb 10, 2010 3:26 am
Forum: HELP!
Topic: MS2000B Expression Pedal assignment question
Replies: 3
Views: 430

Re: MS2000B Expression Pedal assignment question

Doesn't seem possible, at least for the MS2000/R, according to the owner's manual. I dunno about the B though.
by Maschinengeist
Wed Feb 10, 2010 3:02 am
Forum: HELP!
Topic: TR 808 Issues
Replies: 6
Views: 344

Re: TR 808 Issues

Hope you didn't pay the full price for it.
by Maschinengeist
Sun Feb 07, 2010 4:27 am
Forum: HELP!
Topic: Power Supply problem with TR-707
Replies: 25
Views: 4048

Re: Power Supply problem with TR-707

In one technical newsletter I've got about the tr-707 there is a mention about a problem with the fusible resistor R49 on the voicing board. Change the 2.7 Ohm 1/4W to 1/2W. TEST IT FIRST BEFORE CHANGING IT Generally, the culpit in a power supply are the diodes. Have a look at them. After comes the ...
by Maschinengeist
Sat Feb 06, 2010 4:41 pm
Forum: HELP!
Topic: Prophet 600 voice/filter trouble, need help
Replies: 3
Views: 311

Re: Prophet 600 voice/filter trouble, need help

I'll try to find time to look at my service documents.
by Maschinengeist
Sat Feb 06, 2010 4:37 pm
Forum: HELP!
Topic: Power Supply problem with TR-707
Replies: 25
Views: 4048

Re: Power Supply problem with TR-707

I'll try to find time to look at my service documents
by Maschinengeist
Sat Feb 06, 2010 4:36 pm
Forum: HELP!
Topic: Midimoog tech advice
Replies: 3
Views: 160

Re: Midimoog tech advice

I don't have the service documents. I'll see if I can get them.