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Magnetofon rostov 105 1S


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Va salut prieteni am un magnetofon rostov și nu se aude pe canalul din stânga, amplificare bună am depistat din preampliful de cap care are un integrat K157YP1A SAU K157UP1A ,rugămintea mea este dacă aveți ceva pdf cu acest integrat nu găsesc deloc sau echivalent ,deci dacă pun un vârf de șurubelnița pe pini de la capul de redare unul are amplificare unul e mut 

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Date tehnice: https://eandc.ru/catalog/detail.php?ID=6858

https://eandc.ru/pdf/mikroskhema/k157up1_k157up2.pdf

Vânzatori:

https://www.evita.lt/en/157up1a-k-mikroschema-k157up1a

https://www.ebay.de/itm/115103508912?hash=item1accb429b0:g:HrsAAOSwnDZUJXJ5

Din câte stiu eu, în Rostov 105 S1, preamplificatorul de cap este K157UL1A. UP1A se foloseste pe partea de înregistrare.

https://www.evita.lt/en/157ul1a-k-mikroschema-k157ul1a

Si pe oleics.

Edited by franzm
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