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Onkyo A-7090 Service Manual

Onkyo A-7090
14 pages
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Onkyo A-7090 Specifications

General IconGeneral
Power Output100 W/ch (8 Ohm)
Frequency Response5 Hz - 100 kHz
Total Harmonic Distortion0.05%
Signal-to-Noise Ratio102 dB
Dimensions435 x 154 x 380 mm
Weight10.5 kg
Damping factor100
Input sensitivity200 mV
Input Impedance47 kOhm
Speaker Impedance4 Ω - 16 Ω

Summary

Detailed Specifications

Power Amplifier Specifications

Details on power output, distortion, frequency response, and impedance.

Pre-Amplifier Specifications

Input sensitivity, distortion, frequency response, and signal-to-noise ratios for audio inputs.

Safety and Handling Precautions

Component Location Diagrams

Circuitry Details

Servo Operational Amplifier Circuit

Explanation of the servo operational amplifier circuit and its feedback loop.

Protection Circuitry Overview

Full Schematic Diagram

Main Amplifier Adjustment Procedures

Idling Current Adjustment

Procedure for adjusting the idling current using a voltmeter and resistor.

Servo Op Amp Voltage Adjustment

Steps for adjusting the servo operational amplifier circuit's voltage.

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