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Pioneer er-420 User Manual

Pioneer er-420
23 pages
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Pioneer er-420 Specifications

General IconGeneral
Power output20 watts per channel into 8Ω (stereo)
Frequency response20Hz to 20kHz
Total harmonic distortion0.8%
Input sensitivity2.5mV (MM), 150mV (line)
Dimensions450 x 148 x 307mm
Weight8.3kg
Speaker load impedance16Ω
Semiconductorsdiodes

Summary

Pioneer ER-420 Service Manual

Alignment Instructions

AM Section Alignment

Procedure and settings for aligning the AM section of the ER-420 receiver.

FM Section Alignment

MPX Section Alignment

ER-420 Component Layout

Capacitor Specifications

Resistor Specifications

Component Identification Lists

Potentiometers, Coils, and Transformers

Lists potentiometers, coils, and transformers with their specifications.

Tubes and Diodes

Lists tubes and diodes with their specifications.

Switches and Miscellaneous Parts

Lists switches and other miscellaneous components with their specifications.

FM Front-End Parts List

FM Front-End Capacitors

Lists capacitors used specifically in the FM front-end section.

FM Front-End Resistors

Lists resistors used specifically in the FM front-end section.

Potentiometers, Coils, and Transformers Listing

Tubes and Diodes Listing

Resistor List

Coils, Transformers, Tubes, and Diodes Listing

Troubleshooting - Power Circuit

Troubleshooting - Audio Circuit

Troubleshooting - AM Tuner Circuit

Troubleshooting - FM Tuner Circuit

Troubleshooting - Multiplex Section

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