Stress homeworks - DIY

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stressman
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Re: Stress homeworks - DIY

Post by stressman »

napajacka sekcija rastavljena. ispod su graetzovi usarafljeni u konstrukciju.

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pa malo ventilacije za trafice. iskoristen komad lima sa kucista drugog uredjaja.

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sflexani novi otvori za novi izgled prednje ploce. sneak peak kaj bu bilo na lijevoj strani...

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stressman
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Re: Stress homeworks - DIY

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layout unutrasnjosti...

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lufterski poklopac

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stressman
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Re: Stress homeworks - DIY

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Malo pročeprkah doma, i skužio da imam sve stvari za složiti još jedno pojačalce. Zašto ne? :lol:

Prvo fleksa... :)

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Pa malo da vidimo kako bi to bilo... Trafo 2x20V, 2x24000uF, BPA 150 moduli

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Chipovi nisu uz rub plocice, zato idu na međuploču:

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Metalurgija obavljena... sad raspored:

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Nakon malo dumanja:

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I onda sve u vodu, sjetih se da imam smps napajanja 32V/5.6A. Zašto ne... i novi raspored, 720W u napajanjima i 4x10000uF rezerve. Malo je postalo tijesno u kućištu ;D

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Ali da će imati rezerve snage,imati će ;)
yoke
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Re: Stress homeworks - DIY

Post by yoke »

ma cek...
jesi ono jedan pol (oba plava kondenzatora) zavidao direktno na kutiju ?

kao racunas masa je pa tko ga hebe ili ?


aaa...
nije mi otvorio zadnju sliku...
tak na njoj vidim da si promjenio cijeli koncept...
pa ovo vezivanje polova kondanzatora na kutiju vise ne igra...
Last edited by yoke on Wed Sep 16, 2015 1:18 pm, edited 2 times in total.
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stressman
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Re: Stress homeworks - DIY

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Može se to izolirati, slika je for display purpose, zasada ;)
yoke
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Re: Stress homeworks - DIY

Post by yoke »

a moze, mada bi bilo malo zeknuto...
imam slican problem s dva velika konda ali njih cu obuhvatiti ono plasticnom vezicom za dno kucista...da nigdje ne mrdaju...
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stressman
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Re: Stress homeworks - DIY

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pa ja razmisljam da izbacim filtrre potpuno i ostavim samo smps-ove. pa da vidimo kako ce to igrati...
yoke
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Re: Stress homeworks - DIY

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Ne kuzim SMPS ove...
Koristio sam ih u pretpojacalima i to je islo kako je...bez dodavanja ikakvih kondova
Isto tako bi koristio i za pojacala...
Znaci SMPS pa pojacalo, bez dodavanja ikakvih kondova. Osim ukoliko SMPS po shemi trazi dodatni kapacitet. Ali to do sad nisam nigdje vidio/koristitio.

Imam doma neko pojacalo u Dklasi za sub, i za njega sam gledao SMPS ali mi je jeftinine bilo uzeti toroid i dva konda po 10000uf....jos se mislim da nakeljim samo jedan radi prostora...ali vjerojatno cu ipak staviti dva...CRC...
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stressman
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Re: Stress homeworks - DIY

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mogu ici kondici ako udarna struja pri paljenju ne triga zastitu smps-a. kao zaliha struje.

zbuksani smps-ovi u oklop, zlu ne trebalo, a i drzi ih na kupu ehehee... sad jos kablovinje propeljati pa da vidim kako stvar svira ;)

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stressman
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Re: Stress homeworks - DIY

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kako svira? prva stvar sto se primjeti je dinamika. ostalo je također više nego odlicno. to je prvi dojam sa garaznog preslusavanja :)

imam lagano zujanje od switchera, pojacava se kako se pot glasnoce stisava. no, jos treba rijesiti mase do kraja i pocvakati par ferita po kablovima pa cemo vidjeti kak bu onda...
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stressman
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Re: Stress homeworks - DIY

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hm... mozda i ulazni pot smanjiti sa 50k na manju vrijednost...
DAČOKTT
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Re: Stress homeworks - DIY

Post by DAČOKTT »

Ovo izgleda super. Svaka čast. Kak god da svira nema boljeg osjećaja nego kad sam složiš nešto i tome se diviš. Respekt.
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stressman
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Re: Stress homeworks - DIY

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tnx :)

stigao i preamp modul sa daljinskim, pa cemo isprobati je li to valja... :)

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melquiad
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Re: Stress homeworks - DIY

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kolega, max respect za rad ;) . to se trazi
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stressman
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Re: Stress homeworks - DIY

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JVC PC-11, komponentni boombox, rastavljen, očišćen, sada potpuno ispravan

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1982. godina
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