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ROTEL RTC-970 TECHNICAL-MANUAL

AUDIO - SERVICE MANUAL
Type: (PDF)
Size
2.8 MB
Page
33
Category
AUDIO
SERVICE MANUAL
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  • Also known:
    ROTEL RTC-970 RTC970 RTC 970 TECHNICAL
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Relevant AUDIO forum topics:
Rotel RA-980BX equivalent transistors
Hi All,


I have a Rotel RA-980BX amp with a blown channel. I have sourced most of the transistors, but am struggling to find the other 4.


Part numbers as follow:
2SC3478
2SC4381
2SA1376
2SA1667


What would be suggested equivalents / suitable replacements?


Also, some advice, I suspect the bias pot to be bad. Based on the circuit, would you think that the bad bias pot would cause the drivers and outputs to blow? Any suggestion on modification to prevent this re-occurring?


Thanks



Regards,
Werner
Rotel
Need circuit diagram Rotel RA1592

topic locked: insufficient topic title, please correct the topic title and write more detail of problem! - admin
Rotel RSX-1055 távirányítóra nem reagál
Sziasztok!
Hozzájutottam hibásan ehhez a gépezethez, sikerült is életre kelteni, de van egy apró "hibajelensége".
Az erősítő tökéletesen működik, viszont ha kikapcsolom a távirányítóval (standby-ba), kb fél óra után már nem lehet bekapcsolni a távirányítóval, csak ha az előlapon ki-be kapcsolom a főkapcsolóval.De ezek után a távirányítóval ismét minden működik.
Találkozott már valaki ilyen jelenséggel?
 
Rotel RA1592 does not start up
When power is applied, nothing happens, no standby-LED, Can not get switched on
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