Service manuals, schematics, eproms for electrical technicians

INGELEN COLU39GW TUBES RADIO SCH

AUDIO - SERVICE MANUAL
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AUDIO
SERVICE MANUAL
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    INGELEN COLU-39GW TUBES RADIO COLU39GW COLU 39 GW
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  • See related repair forum topics below. May be help you to repair.
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Relevant AUDIO forum topics:
Terem hangosítására erősítőhöz keresek beszerzési forrást, ötletet
Sziasztok! Megkeresett a helyi anyakönyv-vezető, hogy a házasságkötő terembe szeretnének egy másik hangrendszert. Olyan erősítőt szeretnének, aminek a szokásos kisszintű bemenetei ( cd-lejátszó, tuner menne rá) mellett van USB-s és esetleg Bluetooth-os bemenete is. Alapvetően halk zenére és beszédre, több mikro-porthoz. A terem mérete max. 100 m2. Tudnátok ötletet adni, hol keressem? Köszi! J.
R646U rádió oszcillátora nem indul - MEGOLDVA - SZÓL A RÁDIÓ.
Sziasztok! Egy ismerősöm megkért, hogy az általa felújítandó R646U rádiót keltsem életre. Ő már a kapcsolósort rendbe tette. Szerintem valamit elköthetett, mert az oszcillátor nem akar indulni. Sajnos pontos rajzot erről az altípusról nem találtam. Legjobban az R646N (Velence) típussal egyezik, de pont a kapcsolósornál lévő elrendezés más. Az ECH81 keverő-oszcillátor csövön a DC szintek szerintem rendben vannak, a KF működik. Mellékelek egy képet a kapcsolósor alatti modulátor - oszcillátor tekercsek és trimmerek elrendezéséről. Ha lenne egy pontos kapcsolási rajz erről a típusról, akkor lényegesen könnyebb dolgom lenne. Kumi
Trio-Kenwood: KR-3010 [Radio] S.N.962845 / Does not work, the final floor and prefinal floor defect with many burned component/

I greet you! I would need the scheme of this "vintage" amplifier that needs to be "restored". The problem is that in the prefinal and final floor I have many "fried" resistors well, their value cannot be identified.I replaced the defective transistors: 2SC1509, 2SA777,2SB690 and 2SD 796 (each 2 pcs.) and the electrolytic capacitors adjacent to them. I could not go further because of the carbonized resistors that I do not know their value (I can only guess that they are values small, in the order of ohms). The schematic diagram I downloaded, from the address received by the kindness of a colleague is not complete - it is a single page (missing Q29-Q30-Q31-Q3 and resistors R115-R116-R117-R118 which are completely carbonized, at other resistors I could see their value).Thanks in advance!
Finally, I found the missing part

If stuck in the repair and you ask questions, please do it as follows: - Details: Give the exact model number of your device and the chassis ID (if there is). - If possible, please attach pictures of the appliance. - Anamnesis: Write down the exact symptom. If hard to describe the symptom, it is difficult to verbally defined clearly, attach pictures or sound of the phenomenon! - Tell what was you have done so far: search contact error, which parts has examined or changed yet, etc... The incorrectly named topic suspended and will be deleted after 48 hours! Suspended state while others are not able to comment until you correct the address. Subsequent repair of the defective title (within 48 hours) by clicking on the "Edit" tab can be carried out.

ITT Nokia st 741
Egy ITT Nokia ST 741- es music centerhez keresek magnó dekket. Ha valakinek lenne ilyen kérem írjon. Előre is köszi a segítséget.
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