OakleyメーカーMOTM-820の使用説明書/サービス説明書
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Oakley Sound Syste ms Oakley Modular Series OMS-8 20 issue 2 The MO TM- 820 Companion Modul e User’s Guide V2.01 Tony Al l good B.Eng Oakl ey Sound Sys tem s CARL ISLE CA4 9QR Un ited Ki n gdo m 1.
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Introduction The OMS-820 is a compan i on modu le to the MOTM-820 voltage controlled la g pro cessor. I t adds powerful new features to the superb Sy nthe s is Tech nolog y modu le.
automatica ll y. Remo v in g the gate has no eff ect on the o utpu t. This is 'one shot' mode. However, the out put may be force d t o decay prematurel y by pressi n g the RES ET push button, or by use of the RESE T in put. A positi ve sig na l of above 3V or so wil l activ ate reset.
voltage across the capacitor wi l l direct ly cont rol the o utpu t of the MOTM modul e. Wh en the OMS-820 is connected up it wil l suppl y the in put voltage to t he MOTM and thus the max imu m lev e l appl i ed to that capacitor. It also ne eds t o keep an eye on the ou tpu t voltage to o.
agai n, as it crosses zero volts, the o p- amp swi ng s and the switc her responds... and the process repeats agai n and agai n and agai n. Of course, the speed a t wh ic h the process repea ts is set by the UP and DOW N pots . You can get very fa st at a round 1000 c omp lete cy c le s a second, and you can get ver y slow .
In GATED mode, remov i ng the gate wi l l reset the fl ip - f lop . The AUTO swit ch in its UP positio n wi l l pass a n in ve rted gate sig na l t o a second di ff e re ntia tor, C5, R22 and D4. Whe n a gate sig na l is removed, the positi ve goin g edg e runs through U 4 (pin s 1,2,3 & 11,12,13) and D4 to reset the fl i p- flo p.
and DOW N poi nts in the MOTM-820. These al low the MOTM-820’s own pot s to be used as in put att enuators whi l st be in g ab l e to s et the abso lute rise and fal l time s wi th the OMS-820. Feel free to mak e any change s to the circu it to im pro ve or alter the performa nce .
U4 is a 4001 devic e, and is part of the cla ss i c 4000 series of CMOS log ic. Many compan ie s mak e thi s dev ice and as such the devi ce ends up hav in g al l sor ts of nam es . eg. CD4001, MC14001, 4001BE. Al l types shou l d work but t ry to avoid the 4001UBE, this is an ol der devi ce and i s ver y prone t o static damag e.
390R R5 39K R26, R11, R20, R 12, R27, R2 47K R39, R45, R47, R 41 4K7 R42, R36, R37, R 44 82K R1 Capacitors 100nF poly e ster fi l m 5mm box C12, C11, C1, C 3 10nF poly e ster fi l m 5mm box C4 1nF pol.
Populat ing the Oakley OMS-8 20 PC B Warning: Oakl ey Modular PCBs are now suppl ie d with the RoHS compl ia n t Ni/ Au fi n i s h . Thi s is a hig h qual it y fi n is h but d oes possess sl ig h tl y dif f er ent solder ing characteri stics to the traditiona l le ad base d HASL fi n i s h .
The sm al l e r ele ctrolyt ic capac itors are very often suppli e d with 0.1” lea d spac i ng. My boards hav e a hole spac i ng of 0.2”. This me an s that the undersid e of these radial capacitors wi ll not go fl at ont o the board. This is del ib e rate to all ow the water wash to wo rk, so don’t force the part in to o hard.
Al l you ne ed to do is e-mai l the fpd f i l e t o Schae ff er i n Germ an y , or Frontpanel Express in the US, and the y do the rest. You can als o use the Frontplatten Desi gn er progr am' s own onli n e ordering procedu re whic h also works very we ll .
The Schae f fer pane l database uses 6.3m m di am eter hol es wh ich a re desig ne d for Cli p l it e LED len se s ava i la b l e fro m Map li n in t he UK. Other LED lens es ma y be used wit h a suita bl e siz ed hole, although you may hav e al ter the pr ocedure below sl ig ht l y to suit your chose n cl ip s.
The SCR pad on t he PCB has been provi ded to al lo w the ground tags of the jac k sockets to be connected to the p ower suppl y gro und without usi ng the modu le’ s 0V suppl y. Ear th loops cannot occur thro ugh patch lea ds this wa y, a lthough screen in g is ma i nta i ne d.
do muc h on its own, but if it start s to smoke or of an yth i ng gets hot then yo u’ ve done someth i ng wrong. Now to wire the int erconn ect. You need a 4-way 0.1” fem al e plug. These are normal l y desi gne d t o be crim p ed but t hey can be easi l y s olde red with care.
Testing Sin ce there are t wo sections , we wil l test each one in turn. The easi est and the best t o test fir st is the LFO fun ctio n. Si mp l y fli p the LFO/EG switch in to the LFO mode. Set all the UP and DOWN po ts to their m i n i m u m , and ma ke sure the MOTM’s b ypa ss fu nct ion is off.
Final Comment s If you hav e any problem s wit h the modu le, an ex cel l e nt source of support is the Oakle y- S yn ths Group that can be foun d at http: //lau nch .groups.yah oo.com/grou p/oa kle y- s y nth s/ If you can' t get your project t o wor k, then Oakl ey So und Syst ems are able to offer a 'get you working ' serv ice .
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Oakley MOTM-820をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはOakley MOTM-820の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Oakley MOTM-820の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Oakley MOTM-820で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Oakley MOTM-820を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はOakley MOTM-820の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Oakley MOTM-820に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちOakley MOTM-820デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
