Grundig V 4080 Schematic

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GRUDDIG SERVICE MANUAL

1 2/85 V 4080

an nun? \I 40K)

Technische Daten
Ausgangsleistung
Nennleistung 2x20 W (an 8 Q)
Musikleistung 2x35 W (an 8 (2).

Specification
Continuous power output: 20Wx2 (into 8 ohm)

Music power output: 315sz (into 8 ohm)

Eingangsempfindlichkeit Input sensitivity and impedance:
Phone 2,5 mV/47 kQ Phono inputs 2.5 mV/47 kohm
Tuner, Aux/CD, TBrrape 150 mV/47 k0 TUNER. AUX/CD TB/TAPE inputs 150 mV/47 kohm
Frequenzgang Frequency response:
20 Hz~20 kHz 20 Hz-20 kHz
Variation der Klangsteller Tone control ranges;
Besse : 8 dB bei 100 Hz Bass i 3 dB at 100 Hz
1 8 dB at 10 kHz

y Hfihen i 8 dB bei 10 kHz Treble

Ruhestromeinstellung der Endstufe Adjusting Quiescent Current of Output Stage

' Fur diese Einstellung muB das Gerat mindestens 3 Minuten in Be- After the power switch is turned on at 3 minutes, adjust SVR 703
trieb seln. and SVR 803 respectively as follows.

, Linker Kanal: An R 723 und R 722 L-Channel: SVR 703 for 1.0 mV~ 2.0 mV readan between the
2 1-2 mV mit R 703 einslellen both leads of R 723 and R 722:

Rechter Kanal: An R 823 und R 822 R-Channel: SVR 803 for 1.0 mV~ 2.0 mv reading between the
1-2 mV mit R 803 einstellen. both leads of R 823 and R 822

Mr-flI-fi

R 722 R 723

R822 R 323 I
T0 T0 Cfi
:31 VOLT VOLT

METER METER SVR 803

¥ SVR 703