Sharp STA-31 Service Manual

SPECIFICATIONS
Audio Section
Power Output :
Harmonic Distortion :
Frequency Response:
Channel Separation :
Damping Factor:
Hum and Noise:
Output Impedance:
High Filter:
Low Filter :
50W total music power
(IHFM)
1 %
15—40,000Hz+1.5dB
50dB minimum
More than 50
Phono 65dB (IHFM)
Tape Head 65dB (IHFM)
Aux. 75dB (IHFM)
8& 16 ohm
10KHz—8dB
30Hz—8dB
Input Sensitivity (For Rated Output) :
Others:
Phono (MAG) 2mV
Phono (X'tal) 130 mV
Tape Head 1 mV
AUX 140 mV
Solid State ITL, OTL output
es eat En
FM Section
Frequency Range: 88—108 MHz
Sensitivity : 2.04V +3dB
1.04V +3dB
(for 20dB of quieting)
FM Stereo Separation:
More than 35 dB
FM Stereo Freq. Response:
20—15,000Hz +2.5dB
Transistors : 40
Diodes : 24
Power Equipment :
AC 100/110/120/200/220/
240V. 50/60Hz
Power Consumption : 100W
Power Source:
Ka