Denon PMA-300V - Service Manual

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NIPPON COLUMBIA CO. LTD.

Denon PMA-300V Specifications

General

Speaker load impedance	4 - 16 ohms
Frequency Response	5Hz - 100kHz
Input Impedance	47 kΩ
Total Harmonic Distortion (THD)	0.07% (20Hz - 20kHz, 8 ohms)
Signal-to-Noise Ratio	> 100 dB

Summary

Service Manual

Specifications

Power Amplifier Specifications

Technical details of the amplifier's output power, distortion, and frequency response.

Equalizer Amplifier Specifications

Input sensitivity, impedance, and RIAA deviation for the equalizer amplifier section.

Overall Characteristics

Performance metrics including SN ratio, tone control range, and filtering characteristics.

Names and Functions of Parts

Input Selector and Volume Control

Connections

Speaker Impedance Guidelines

Important considerations for connecting speakers based on their impedance ratings.

Connecting Speaker Systems

Step-by-step instructions for connecting left and right speaker systems correctly.

Method of Adjustments

Idle Current Adjustment Procedure

Detailed steps for adjusting the idle current of the power amplifier unit.

Block Diagram

Printed Wiring Board Patterns and Parts List

Semiconductor Parts List

A comprehensive list of semiconductor components used in the power amp unit.

Capacitor Parts List

Resistor Parts List

Wiring Diagram

Schematic Diagram