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Pioneer SX-424 Service Manual

Pioneer SX-424
27 pages
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Pioneer SX-424 Specifications

General IconGeneral
TypeStereo Receiver
Tuning RangeFM, MW
Power Output12 watts per channel into 8Ω (stereo)
Frequency Response20Hz to 20kHz
Total Harmonic Distortion0.8%
Speaker Impedance4Ω to 16Ω
Damping factor30
Input Sensitivity2.5mV (MM)
Signal to Noise Ratio70dB (MM)

Summary

Pioneer SX-424 Specifications

FM Tuner Section Specifications

Details specifications for the FM tuning capabilities of the receiver.

AM Tuner Section Specifications

Details specifications for the AM tuning capabilities of the receiver.

Miscellaneous Specifications Overview

Covers general specifications not specific to FM or AM tuning.

Pioneer SX-424 Front Panel Facilities

Front Panel Controls and Indicators

Overview of all controls, switches, and indicators on the front panel.

Pioneer SX-424 Connection Diagram

Pioneer SX-424 Disassembly Guide

Pioneer SX-424 Parts and PCB Location

Pioneer SX-424 Dial Cord Stringing

Pioneer SX-424 Alignment Procedures

FM/AM IF Alignment

Procedure for aligning the Intermediate Frequency (IF) stages for FM and AM.

FM/AM Tacking Alignment

Procedure for fine-tuning and aligning FM/AM circuits for optimal performance.

MPX Decoder Alignment

Steps for aligning the Multiplex (MPX) decoder for stereo reception.

Other Alignment Procedures

Covers additional alignment procedures not covered in previous sections.

Pioneer SX-424 Packing Method and Part Numbers

Pioneer SX-424 Schematics, PCB Patterns, and Parts Lists

Unit Connection Diagram and Miscellaneous Parts

Diagram showing unit connections and a list of miscellaneous parts.

Tuner Unit (AWE-008) Schematics and Parts

Schematics, PCB layout, and parts list for the Tuner Unit (AWE-008).

AF Unit (AWK-014) Schematics and Parts

Schematics, PCB layout, and parts list for the AF Unit (AWK-014).

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