It was my first DIY Build - so sorry for the building quality 
Projektinfo:
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Projecttitel: Yusynth Arp4072 FilterStatus:
Startdate: 2010Duedate: 2010update Q4/2014 Manufacture link: |
http://yusynth.net/Modular/EN/ARPVCF/index.html |
It was my first DIY Build - so sorry for the building quality
added a second DIY project 2014 with better quality..
Attention: for bridechamber pcb (SA798) version, the output is wrong. correct:GND to TIP, Signal to GND
Hinweis:BOM parts..
4 x 47k Linear Poti für others (freq, Resonance etc) reichelt: PO6M-LIN 47K oder banzai banzai Alpha 16mm FS 50k lin
2 x 47k Log Poti für Input Level reichelt: PO6M-LOG 47K oder Level banzai Alpha 16mm FS 50k log
6 x knobs benötigt.
— 2 x groß 36,8mm für Frequenz und Resonanz Dial knob DKN-112-NUM 4 x 29mm für den Rest Dial knob DKN-113-NUM
6 x female 6,3mm mono sockel (6,3mm klinke eingang)(switchcraft 112AX or equal.)
pinheaders/connectors or hard wire linking to frontpanel
Building details | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Japaneese Japanese dual transistors version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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2k2 trimmer Ersatz durch 64W-20K (bei Reichelt)
Reichelt Parts ohne Frontplatten poti etc:
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| LM 3900 DIL | Amplifier, DIL-14 | 0,26 € | 1 | 0,26 € | ||
| TL 074 DIL | Op-Amp, DIL-14 | 0,29 € | 1 | 0,29 € | ||
| TL 072 DIP | Op-Amp, DIP-8 | 0,28 € | 1 | 0,28 € | ||
| METALL 220 | Metallschichtwiderstand 220 Ohm | 0,049 € | 1 | 0,49 € | ||
| METALL 1,00K | Metallschichtwiderstand 1,00 K-Ohm | 0,082 € | 1 | 0,57 € | ||
| METALL 10,0K | Metallschichtwiderstand 10,0 K-Ohm | 0,049 € | 1 | 0,69 € | ||
| METALL 15,0K | Metallschichtwiderstand 15,0 K-Ohm | 0,082 € | 1 | 0,082 € | ||
| METALL 27,0K | Metallschichtwiderstand 27,0 K-Ohm | 0,082 € | 1 | 0,16 € | ||
| METALL 33,0K | Metallschichtwiderstand 33,0 K-Ohm | 0,082 € | 1 | 0,082 € | ||
| METALL 100K | Metallschichtwiderstand 100 K-Ohm | 0,082 € | 1 | 0,74 € | ||
| METALL 150K | Metallschichtwiderstand 150 K-Ohm0,082 € | 1 | 0,082 € | |||
| KERKO 470P | Keramik-Kondensator 470P | 0,060 € | 1 | 0,24 € | ||
| KERKO 100N | Keramik-Kondensator 100N | 0,060 € | 1 | 0,12 € | ||
| TANTAL 0,22/35 | Tantal-Kondensator, Rm 2,5, 0,22µF/35V | 0,10 € | 1 | 0,40 € | zu ersetzen in 22uF poly | |
| 64W-50K | Präzisionspoti. 25 Gänge, stehend, 50 K-Ohm | 0,30 € | 1 | 0,30 € | ||
| 64W-20K | Präzisionspoti. 25 Gänge, stehend, 20 K-Ohm | 0,30 € | 1 | 0,30 € |
| 470p Glimmer | http://www.reichelt.de/CY-22-3-470P/3/index.html?&ACTION=3&LA=446&ARTICLE=42437&artnr=CY+22-3+470P&SEARCH=470p | |
| 100N poly or c0g | C0G or polyester | |
| 22uF electrolyt cap | elekrolyt kondensator |
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| 64Y-50K | for bridechamber pcb use 64W-50K | |
| 64Y-2K | http://www.reichelt.de/64Y-50K/3/index.html?ACTION=3;ARTICLE=2717;SEARCH=64Y-2,0K for bridechamber pcb use 64W-2,0K http://www.reichelt.de/index.html?ACTION=3;ARTICLE=2700;SEARCH=64W-2,0K | |
| 2x Ferrite instead of 2x 10R |
Bleed through FIX (high esonance and tracking is better too)
this means unsolder the left leg of R43, solder a wire this leg and connect this wire to the wiper lug of the second potentiometer of the dual-gang pot.
Schematic from Yusynth
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