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Onkyo A-7070 Service Manual

Onkyo A-7070
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Onkyo A-7070 Specifications

General IconGeneral
Power Output100 watts per channel into 8Ω (stereo)
Frequency Response10 Hz - 100 kHz
Total Harmonic Distortion0.008%
Input Sensitivity0.16mV (MC), 2.5mV (MM), 150mV (line)
Signal-to-Noise Ratio74dB (MC), 85dB (MM), 100dB (line)
Speaker Impedance4 - 16 ohms
Dimensions435 x 154 x 400 mm
Weight12.2 kg
Damping factor100
Amplifier TypeStereo Amplifier
Speaker load impedance4Ω to 16Ω
Input Impedance47 kΩ
Output Power100 watts per channel into 8Ω (stereo)

Summary

Specifications

Precautions

Safety guidelines and warnings for operation and maintenance.

Voltage Conversion

Instructions for changing the unit's power source voltage.

Circuit Description

Servo Operational Amplifier

Detailed explanation of the A-7070's servo operational amplifier circuit.

Output Indicator Driver Circuit

Description of the circuit responsible for the power indicator LEDs.

Component Location

Exploded View Parts List

List of parts corresponding to the exploded view diagram.

Printed Circuit Board Parts Lists

Equalizer Amplifier PC Board Parts List

Parts list for the NAEQ-621 equalizer amplifier circuit board.

Switch PC Board Parts List

Parts list for the NASW-622 switch circuit board.

Volume Control PC Board Parts List

Parts list for the NAVR-624 volume control circuit board.

Preamp, Power Amp & Protection Circuit Board Parts List

Parts list for the NAAF-625 preamp, power amp, and protection board.

Packing Procedures

Output Indicator Driver PC Board Parts List

Parts list for the NAME-627 output indicator driver circuit board.

Rectifier PC Board Parts List

Parts list for the NAPS-630 rectifier circuit board.

Switch PC Board Parts List

Parts list for the NASW-626 switch circuit board.

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