Denon PMA-830 Service Manual

[) EF N C) N Hi-Fi Component Ampiifier
SERVICE MANUAL
MODEL PMA-830
| SOLID STATE STEREO
INTEGRATED AMPLIFIER
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Denon PMA-830 Specifications

General

Power Output	80 watts per channel into 8Ω (stereo)
Frequency Response	20Hz to 20kHz
Signal-to-Noise Ratio	100 dB
Dimensions	434 x 137 x 396mm
Weight	10.3kg
Input Sensitivity	0.2mV (MC), 2.5mV (MM), 150mV (line)
Speaker load impedance	4 - 16 ohms
Input Impedance	47k ohms

Summary

Specifications

Main Amplifier Specifications

Details of the main amplifier's audio performance, power, and distortion.

Pre Amplifier Specifications

Details of the pre-amplifier section's input sensitivity, output, and frequency response.

Block Diagram

Exploded View of Chassis and Cabinet

Front Side Components

Illustrates the layout and part identification of the front panel assembly.

Back Side Components

Illustrates the layout and part identification of the rear panel assembly.

Chassis and Cabinet Parts List

Method of Adjustments

Printed Circuit Board Patterns and Parts List

Input Terminal Unit (ETC-143) Diagram and Parts

Shows the PCB layout and lists components for the input terminal unit.

Control (A) Unit ETC-259B Diagrams

Tone Unit Schematic

Circuit diagram for the tone control stage of the unit.

Equalizer Amplifier Schematic

Circuit diagram for the equalizer amplifier stage.

Volume Control Schematic

Circuit diagram for the volume control section.

Control (A) Unit ETC-259B Parts List

Control (B) Unit ETC-277 Diagrams

Control (B) Unit ETC-277 Parts List

Power Source and Protector Unit ETC-280 Schematic

Power Amplifier Unit PUX-020 Diagrams

Left Channel (L) Schematic

Circuit diagram for the left channel power amplifier.

Right Channel (R) Schematic

Circuit diagram for the right channel power amplifier.

Power Amplifier Unit PUX-020 Parts List

Wiring Diagram