Service manuals, schematics, eproms for electrical technicians

USSR IJEVSK.

AUDIO - SERVICE MANUAL
Type: (DJVU)
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28.4 KB
Page
1
Category
AUDIO
SERVICE MANUAL
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Relevant AUDIO forum topics:
UHER RG 260 halkan szól (megoldva)
Sziasztok! Nevezett erősítővel van egy kis problémám. Minimális hangerőn szól csak rendesen, ha növelem a hangerőt eltorzul és recseg. A végfok egy STK 2230-as IC, ezt cseréltem de a hiba ugyan az. Ez egy rádiós erősítő, a saját tunerjával és külső jelről is egyforma a hiba. A segítséget előre is köszönöm!
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

1kh generator
sziasztok mindenkinek Javitásra van nállam egy pioneer A 80-as erösitő olyan baj van vele, hogy a vezérlőpanelről valami zajszint kerül a vékfokra és melegedik.Keresek olyan progit ami a pc audiokártyájáról tud egy 1 kh-es jelet kiadni.igy tudom szkoppal mérni a jelet és remélem hogy meg is csipem a zajt valahol
Rockysonic Super speaker system - A graetz utáni 8-lábú ic- DK125.Megoldva!
Sziasztok!
Tegnap hozták ezt a erősítős hangfalat, olyan hibával hogy nincs hangja. Próba után be sem kapcsol, a graetz után lévő icé ledobta a tetejét, ami nincs meg, így kellene az ic típusa. A hangszóró átmérője 31cm, de rajzot még nem találtam hozzá. A képeket is felteszem róla!
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