Search found 15 matches

by cineman
Mon Sep 01, 2008 10:50 pm
Forum: General Synthesizers
Topic: The Complete DX7 by Howard Massey
Replies: 132
Views: 29560

Re: The Complete DX7 by Howard Massey

Great! Thank you for the scans :D :D :D
by cineman
Sun Jan 06, 2008 3:29 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

what manuals do you have? i found on the web the user manual, are there other documents around?
I just tried to save and load patches from wave file on pc and it works, have you got some wave files of patches?
by cineman
Sun Jan 06, 2008 1:40 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

if you want to regulate the pitch bend max and min you dont have to touch the trimmer on the voice board but the trimmer on the clock board, it is the board under the volume, band, frequency and tune knob on the left of the synth. If you look at that board you can see 3 little hole with a trimmer be...
by cineman
Sun Jan 06, 2008 1:54 am
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

Say hello to the new re-born Korg Poly61 :D :D :roll:

Image
by cineman
Sun Jan 06, 2008 1:41 am
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

lol and thank you for the help, without the page you suggested me about repair i couldnt have some of the idea i had to try :D
by cineman
Sun Jan 06, 2008 1:25 am
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

BINGO !!! i became mad all the evenining with that board... i checked every connections, components etc... but i couldnt have a good clock signal. In the end i changed a capacitor, C16 on the poly61a schematic... is a capacitor that bring the clock signal to a transistor buffer for the logic. Normal...
by cineman
Sat Jan 05, 2008 11:58 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

ok... i found that my clock board is not working correctly, i dont have clock 1 and clock2... i tried to change the capacitor on the flip flip oscillator (Q5 and Q6 on the poly61a schem) for try and i have a clock now but very little, on the Oscilloscope. If i put my fingers on the board maybe makin...
by cineman
Sat Jan 05, 2008 9:15 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

well, thinking about it, surely the Digital control is not working, if i can tune all the synth with triggers on the CV. Maybe i dont have the Sync signal delivered to the VCOs from the CPU... now i check ^^
by cineman
Sat Jan 05, 2008 8:39 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

i have played with that the trimmers. All the trimmers have effects in every time. The pitch bend knob have another board a part with another two trimmers, wich regulate the max and min level of the pitch like you said. The trimmer LOW MIDDLE and HIGH are a thing a part i think, not related with the...
by cineman
Sat Jan 05, 2008 5:14 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

Here the complete schematics of the Korg Poly 61 im using... http://img72.imageshack.us/img72/8891/poly61akn8.th.jpg http://img299.imageshack.us/img299/3015/poly61btu2.th.jpg http://img166.imageshack.us/img166/2319/poly61ckt4.th.jpg http://img527.imageshack.us/img527/5859/poly61dwn2.th.jpg
by cineman
Sat Jan 05, 2008 4:36 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

i tought so that that trimmer regulate only the pitch bend max and min but if i touch them i can regulate all the synth tune, also without touching the bend knob. maybe there is some problem with the DCO controlling...mmm i just realized that the DCO 2 is not working :( I dont have the output from t...
by cineman
Sat Jan 05, 2008 2:00 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

thank you for the repair page. Yes, it has 2 DCO but it still have analog VCO controlled with voltage: there are trimmer to regulate how much. I found the Poly61 Schematics: this is the analog part and voices with the trimmer i spoke about, the trimmer near the red arrows. It is a big image, 1.2mb. ...
by cineman
Fri Jan 04, 2008 11:54 pm
Forum: HELP!
Topic: Tuning a Poly61
Replies: 21
Views: 2670

Tuning a Poly61

Hello all. I bought today a Korg Poly61 for 60$. It is working but it is not tuned, when i get it he was losing a semitone each octave. I opened it and tried to regulate the trimmer wich affected the VCOs and i managed to have it quite tuned but it was an hard work, and it is still not good. I have ...
by cineman
Mon Dec 03, 2007 2:13 pm
Forum: General Synthesizers
Topic: DX7IIFD demos (warning - highly 80's !!)
Replies: 37
Views: 4655

I downloaded the Dx711 voices, but i have problem sending the mid files to my DX7IID. What is the best program for sending patches, performance data etc also in this format ?
Thank you all
by cineman
Thu Aug 09, 2007 11:36 pm
Forum: General Synthesizers
Topic: Name that synth!
Replies: 14
Views: 1204

Hello all, first time here... i dont know if there is a dedicated section for this but i have a "name that sinth" me too. Could someone help me to identify the little synth in this old video: http://www.youtube.com/watch?v=8ZAKXXaOOJI Thank you to all who will help and sorry if a write in the wrong ...