Service manuals, schematics, eproms for electrical technicians


Type: (DJVU)
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If you get stuck in repairing a defective appliance download this repair information for help. See below.
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  • Also known:
    LEAK TL-12 TL12 SCH. TL 12
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  • See related repair forum topics below. May be help you to repair.
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Relevant AUDIO forum topics:
Autós CD váltó pótlása (helyettesítése)
Üdvözletem tisztelt Mesterek.Egyre többen érdeklődnek hogy gyári CD tár helyett lehet e USB vagy SD kártyát csatlakoztatni vagy mi a megoldás?Már láttam ilyen gépt,de én balga az ügyfél számát elveszítettem.Sokan a gyári gépet nem akarják cserélni, de a kazetta már elavút , a CD tár meg 50-100 Ez.Ft. És mindig csak CD. Amit említettem az SD-kártyás volt. Öreg Tom
Brionvega Ts512 Radio Cube Volume very low
i need a Service Manual of this Radio Cube. The Output Volume is to low. The Audio Amp-IC is ok and Output from the Tuner-IC is also OK.
Can somebody help me?
thanks to all!
Takarékos végtranyót keresek!
Kedves Kollégák! Hobby szinten évtizedek óta építgetek, javítgatok erősítőket. Néha kicsit sokallom az alkatrészárakat. Jelenleg egy friss szerzeményembe 6 pár 2SA1492-2SC3856-ot kell pótolnom. A Sininél darabja 1070+Áfa-kedvezmény. (180V, 15A, 130W) Gyakran használom (oda ahová magasságban elfér...) a 2SA1302-2SC3281 párt (950+Áfa-kedvezmény)(200V, 15A, 150W), de amikor ilyen sokat kell pótolni, akkor -hobby célra - ezt is drágállom... Kérdésem, hogy Ti mit használtok nagy tranzisztornak??? Tudtok-e valami olcsó típust, vagy olcsó beszerzést hasonló paraméterekkel és tokozással???
Denon PMA500V amplifier
I have and found most of the voltages as indicated on the circuit diagram, till op amp M 5218P; are near those specifed. The output on the centre of the two power transistors of both the channels are also alright.

While looking at the voltages on test points as mentioned on the page 7 for setting up quiscent current, these cannot be set.

Bit of history,  the amplifier was lying unused for long time. Nothing in it has burnt. It was never opened earlier than this time, couple of days back.

While I was probing for voltages with DMM, with probe on collector of TR413 one of the fuses blew up. Later same thing happened on the other channel as well.

With the above as background can a Good Samaritan  figure out feasibility of repair.

i am unable to upload service manual as file size is 7.3 mb
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