1.0 Erhalt des ASR Emitter - ASR Audio Systeme Friedrich Schäfer

ASR Audio Systeme Friedrich Schäfer, D- 35 745 Herborn +49 (27 72) 649 880
Draufsicht auf die Hauptplatine des ASR Emitter I ( Emitter II ist ähnlich ):
Left
Channel
Rigth
Channel
Phono
Tape Input
CD selector
Tuner
Dat
Video
Operation
+12 V
Display
Phono
Tape
CD Input
Tuner selector
Dat
Video
+12 V
Attentuator
12 Relais
+5V
Mircocontroller
with Programmmemory
Attenuator
12 Relais
+12 V
+/-16 V
Inputstage
AD 843
Gain
regulator
4 Relais
-14 V
Gain
regulator
4 Relais
Inputstage
with AD 843
+/-16 V
+/-75 V
Driver- and
Outputstage
Driver- and
Outputstage
+/-75 V
+/-60 V
Safety Circuit
Overload, Offset
+14 V
+12V
Control
voltages
switch
Safety circuit
Overload, Offset
+/-60 V
The Emitter 1 uses a driver voltage of +/- 75, and an output voltage of +/- 60 Volts
The Emitter 2 uses a driver voltage of +/- 96, and an output voltage of +/- 78 Volts
+12V
Switch ON,
Energysave, and
Fusecircuits,
Trafo 700VA
Plus
Trafo 700 VA
Minus
Trafo 50 VA
High End Vollverstärker ASR Emitter I und II Seite 17
from
CPU
Powernetwork In
AC 40 V
AC 50 V
AC 40 V
AC 50 V
AC 10 V
AC 10 V
AC 11 V
AC 11 V
PSU sepearate Unit
filter capacitor
filter capacitor
filter capacitor
filter capacitor
filter capacitor
filter capacitor
filter capacitor
filter capacitor
DC +60 V
DC +75 V
DC -60 V
DC -75 V
DC +14 V
Control Supply Voltages
DC -14 V
DC +16 V
Input Supply Voltages
DC -16 V