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Da ne otvaram novu temu, par pitanja...

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Da ne otvaram novu temu, par pitanja...
TDA Offline
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#821
03-11-2015, 04:48 PM
Da li neko zna zamenu za ATX2005 integralno kolo.
Treba mi da popravim jedan mini ATX PSU.
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viktor1986 Offline
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#822
03-11-2015, 07:29 PM (This post was last modified: 03-11-2015, 07:56 PM by viktor1986.)
Koja bi bila adekvatna zamena za 2SK163 i 2SJ44? Da li neko zna? Jel bi to bilo 2SK170 i 2SJ74 ili nesto drugo?

[Image: 2_SJ44.gif]


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.pdf   2SJ44.PDF (Size: 65,47 KB / Downloads: 2)
.pdf   TR-2SK163.pdf (Size: 88,2 KB / Downloads: 2)
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TDA Offline
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#823
03-12-2015, 09:50 AM
Ima li neko odgovore na moje i Viktorovo pitanje? Smile
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mikikg Offline
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#824
03-12-2015, 09:58 AM (This post was last modified: 03-12-2015, 09:59 AM by mikikg.)
@TDA
Mozda mogu da iskopam neki ATX2005 primerak skinut sa rashodovanih ATX. U kakvom su stanju to vec ne znam. Velike su sanse da radi ali ne mogu da tvrdim sa sigurnoscu.
Sigurno je slicna situacija i kod tebe, ne stradaju ti cipovi bas lako, pre ce biti problem u necemu drugom … Uglavnom prvo sve elektrolite proveri pa da vidimo sta dalje ...
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TDA Offline
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#825
03-12-2015, 10:10 AM
Prekopao sam brdo napajanja i nisam našao ni jedan.
Moram da popravim jedno mini ATX napajanje.
http://linitx.com/product/cfis150x-150w-psu/13121
Svi elektroliti su ok, 13007 tranzistori su ok. Nema paljevine...
U njemu se nalazio ATX2005 IC koji sam greškom zamenio sa TL494. A ATX2005 bacio... Sad
E sad kako mi je to uspelo ne pitaj....

U svakom slučaju treba mi ATX2005 koji je pouzdano ispravan, pa ako nije do njega da tražim dalje...

Jedino što sam izmerio je da na izlazu postoji 5V za stand by.
To kolo je izdvojeno od ostatka SMPS.
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boraomega Offline
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#826
03-12-2015, 10:24 AM
Viktore, slobodno tu stavi 2SK170BL i 2SJ74BL (kol'ko-tol'ko upareni ako moze?!) bez ikakvih izmena.
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mikikg Offline
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#827
03-12-2015, 10:35 AM (This post was last modified: 03-12-2015, 10:38 AM by mikikg.)
@TDA
Evo nasao sam jedan primerak ATX2003.
Ovako sa instrumentom brzinski prepipao i nema nigde kratak spoj na nozicama, uglavnom se krece oko 0.5 - 0.6V, dakle "lici" da je ispravan. Ako hoces da ti posaljem vici …
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TDA Offline
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#828
03-12-2015, 10:37 AM
Čini mi se da ATX2005 i ATX2003 nemaju isti pinout...
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mikikg Offline
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#829
03-12-2015, 10:39 AM
Ah izvini, mislio sam da se radi o 2003 ..
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nik Offline
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#830
03-12-2015, 10:48 AM (This post was last modified: 03-12-2015, 10:50 AM by nik.)
(03-12-2015, 10:24 AM)boraomega Wrote: Viktore, slobodno tu stavi 2SK170BL i 2SJ74BL (kol'ko-tol'ko upareni ako moze?!) bez ikakvih izmena.

2SK170 se jos negde i moze naci, 2SJ74 je odavno u manjku i postao je jezivo skup. Ako nije skup onda je - fejk.
Novu generaciju od firme Linear Systems prodaju na diyaudio.com ( 'LSK170 / LSJ74' ) ali kol'ko vidim i tu je mrka kapa sa LSJ74...

Edit: ubacen link ka temi na diyaudio.com
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TDA Offline
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#831
03-12-2015, 11:13 AM
Našao sam i ja 2003. Smile
Otvorio sam 15-ak ATX napajanja i ko za maler nema ni jednog sa ATX2005... Sad
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viktor1986 Offline
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#832
03-12-2015, 12:33 PM
(03-12-2015, 10:24 AM)boraomega Wrote: Viktore, slobodno tu stavi 2SK170BL i 2SJ74BL (kol'ko-tol'ko upareni ako moze?!) bez ikakvih izmena.

Hvala Boro na odgovoru. 2SK170 imam ali 2SJ74 nemam.

@ Nik

Znam gde ima da se kupe ali mislim da nisu upareni.

http://www.bdent.com/2sk170bl-2sj74bl-to...istor.html

Verovatno da ima jos negde da se nadje.
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Jevrem Offline
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#833
03-12-2015, 12:37 PM
imate trimer izmedju njih koji ce ih priblizno upariti. Ako i kupite uparene po Idss nije im identicna karakteristika i dobicete nepovoljan odziv harmonika. Trimer sa seme mnogo pomogne
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viktor1986 Offline
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#834
03-14-2015, 07:42 PM (This post was last modified: 03-14-2015, 07:45 PM by viktor1986.)
Nisam bio par dana na poslu pa sam imao vremena, a i volje, da nacrtam plocicu za pojacalo. Za sada toliko... Bice mi potrebni saveti vezano za izlazni stepen, a i oko rasporeda elemenata ali otom potom.

[Image: MAGNA.gif]


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.pdf   MAGNA.pdf (Size: 69,66 KB / Downloads: 12)
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TDA Offline
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#835
03-14-2015, 07:59 PM
Lepo ti ovo izleda.. Big Grin
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viktor1986 Offline
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#836
03-15-2015, 08:02 AM
Hvala. Videcemo kako ce na kraju biti. Inace, dimenzija one male plocice je 60mm*80mm i namerno sam isao na vece otpornike RN60.
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samuki Offline
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#837
03-22-2015, 08:08 PM
Da li je dobra ova zica za ciscenje suda , za ciscenje vrhova lemilica ?


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mikikg Offline
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#838
03-22-2015, 08:14 PM (This post was last modified: 03-22-2015, 08:16 PM by mikikg.)
Jeste!
Cak to preporucuju jer se manje vrh lemilice temperaturno "stresira".
Ja licno vise preferiram sundjer ali to je samo moje misljenje …
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TDA Offline
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#839
03-22-2015, 08:16 PM
Ja više gotivim sunđer. Nekako se bolje očisti vrh...
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samuki Offline
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#840
03-22-2015, 08:35 PM
Sunder se nekako topi! Koji sundjer preporucujete?
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