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Pioneer SX-750 Service Manual

Pioneer SX-750
89 pages
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Pioneer SX-750 Specifications

General IconGeneral
Signal to Noise Ratio75dB (MM), 90dB (line)
Tuning RangeFM, MW
Damping Factor30
Power Output50 watts per channel (8 ohms, 20Hz-20kHz)
Frequency Response10Hz to 50kHz
Total Harmonic Distortion0.3%
Input Sensitivity2.5mV (MM), 150mV (line)
Output150mV (line)
Speaker Load Impedance4Ω to 16Ω

Summary

1. SPECIFICATIONS

2. FRONT PANEL FACILITIES

3. CONNECTION DIAGRAM

4. BLOCK DIAGRAM

5. CIRCUIT DESCRIPTIONS

Protection, Power Amplifier, and Supply Circuits

Describes protection, power amplifier, and power supply circuit functions.

6. ADJUSTMENTS

AM Section Tuning Adjustments

Step-by-step guide for AM section tuning and core adjustments.

FM Section Tuning and Tracking

Procedures for FM tuning, tracking, and signal meter calibration.

MPX and Power Amplifier Adjustments

Details MPX adjustment and power amplifier idle current calibration.

12. SCHEMATICS AND PARTS LIST

Main Circuit Schematics

Contains detailed circuit schematics for the entire receiver.

MODEL DIFFERENCE TABLE

1. SX-750/HG Model Specifics

HG Model Schematic Diagram

Circuit schematic unique to the HG model.

2. SX-750/S Model Specifics

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