Service manuals, schematics, eproms for electrical technicians

RADIOTEHNIKA-UP-001SZTEREO ELOEROSITO.

AUDIO - SERVICE MANUAL
Type: (DJVU)
Size
103.4 KB
Page
1
Category
AUDIO
SERVICE MANUAL
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    001 SZTEREO UP 001SZTEREO
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Relevant AUDIO forum topics:
DigiPro 1000 S Ampli Board - Burn damage, looking for capacitor value

Hi,

I am new to the forum, although you guys helped me a lot in the past with schematics.

I have a DigiPro 1000 S Board with failed diodes (D8 + D9, p.6 digipro_1000_sch_pcb.pdf) on the output. The diodes failed short and created an arc between the high voltage outputs of the amplifier. That burned up the board pretty badly. The capacitors C25 + R43 (10k) and C26 + R25 on the top side got also destroyed. Can someone tell me what capacitor C25 was? In the available schematic, the type and value is sadly not noted.

https://elektrotanya.com/digipro_1000_sch_pcb.pdf/download.html

The driver that was attached survived the ordeal.

Best

Ashdown mag 300 evo ii
Hi Guys.
I have an Ashdown MAG300 EVO ii bass amp on my workbench. It was stacked together with other music gear in a small storage room - not the best idea. I got it to work now but it does not sound as it should. Cranked up all the way, it does not get to 300W. And I had it once before so I have an idea about how it should sound. 
I got the service manual for the ASHDOWN ELECTRIC BLUE MAG which is similar but not the same. 
Any idea where to find the correct schematics?
Aiwa ad r 460 deckhez keresek doksit/zsugorinak köszönhetöen megoldva/
Sziasztok! A cimben szereplö deckhez keresek kapcsolàsi rajzot. Sajnos a tanyàn ami van fennt 2db azok hasznàlhatatlanok. Pont a mechanika panel bekötèse kellene ami hasznàlhatatlan. Lehet hogy rossz forumba tettem ezèrt elnèzèst! Üdv:atis76
Csöves készülékek építése, mérése
Üdvözlet Tanyalakók! Az interneten böngészve nagyon sok kérdést, cikket olvastam főkén csöves erősítőkkel kapcsolatban. Itt a tanyán nagyon sok e témában nagy tapasztalattal rendelkező "öreg" szaki van. Ebben a topicban értekezzünk ezekről a méltatlanul elfeledett és újra felfedezett eszközökről és adjunk segítséget azoknak a kollégáknak akik ilyen készülék megépítésére vállalkoznak! András67 A lenti topiknyitó lett áthelyezve ide. Kalex
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