Service manuals, schematics, eproms for electrical technicians

REMA GAVOTTE 6104GW SCH

AUDIO - SERVICE MANUAL
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AUDIO
SERVICE MANUAL
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    REMA GAVOTTE 6104GW 6104 GW
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Relevant AUDIO forum topics:
Toshiba SB-M36 erősítő, egyenfeszültség a kimeneten.
Üdv minden fórumozónak! A fenti erősítő hibásan került hozzám, a hangszóró kimeneteken -45V volt mérhető. Mindkét csatornán cseréltem a végtranzisztorokat és a meghajtókat, mindegyik hibás volt. (2SA1104-2SC2579 végpár és 2SA1110-2SC2590 meghajtó) Most a jelenség a következő, a kimeneteken egyöntetűen -15V mérhető. Átvizsgálva a tápfeszültségek rendben vannak, a félvezetők jók. Egyenlőre nem jutottam vele tovább, kérem, hogy aki találkozott már hasonló problémával, ossza meg a tapasztalatait velem. Köszönöm András
GRUNDIG satellit 208 transistor 6000
Trying to troubleshoot a issue with this radio and there are some SM / schematics on some websites, 
but they are slightly different than this one.

Would anyone know a place to look where there are some Grundig people familiar with the products?
 
Inkel MA-930 ellenállás érték keresés! Megoldva
Sziasztok! A fent nevezett erősítőben szétégett pár dolog, rajzot találtam a tanyán, de a táp rész eléggé elvan mosódva. Szét égett a 24V-os relé, és a 10A-re automata, és a TH511 és a TH512 ellenállás értékére lenék kíváncsi, vagy esetleg egy jobb minőségű rajz.
Mackie ProFX12 V2 Request for schematics and repair knowledge
Hello, I am in the process of repairing the Mackie ProFX12 V2 mixer for a client, and am running into the unavailability of schematics. Does anyone have a copy they could share? I have already reached out to Mackie directly but am still waiting for a reply.

Additionally, I am having trouble identifying the failure mode for the two channels that have failed: one produces loud static (indicating bad op-amp or feedback resistor perhaps?) and the other has the right channel producing a 60hz hum, the other is functional. (see board photos, with the two failed channels being marked with "F". The browned area is residual flux from having replaced two opamps, and having reflowed other components around them)


Any help on either of these fronts would be invaluable. I have mainly worked in laptop and computer repair, and am just getting started with my first scope and first set of board level repairs. 
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