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Pioneer SX-450 Service Manual

Pioneer SX-450
12 pages
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Pioneer SX-450 Specifications

General IconGeneral
TypeStereo Receiver
Power Output15 watts per channel into 8Ω (stereo)
Tuning RangeFM, MW
Input Sensitivity2.5mV (MM), 150mV (line)
Signal to Noise Ratio70dB (MM), 90dB (line)
Output150mV (line)
Speaker Load Impedance4Ω to 16Ω
Semiconductorstransistors, diodes
Frequency Response20Hz to 20kHz (±1dB)
Total Harmonic Distortion0.5%
Weight8.6kg

Summary

Service Adjustment Procedures

AM Section Calibration

Procedure for calibrating AM reception sensitivity and performance.

FM Section Calibration

Procedure for calibrating FM reception sensitivity and performance.

MPX Section Calibration

Procedure for calibrating MPX (Multiplex) stereo signal reception.

Power Amplifier Idle Current Adjustment

Procedure for adjusting the idle current in the power amplifier stage.

Dial Mechanism Maintenance

Dial Cord Stringing Guide

Step-by-step guide for routing and tensioning the dial cord.

Dial Needle Handling Precautions

Important warning for handling the dial needle to prevent damage or contamination.

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