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Pioneer PL-630 Service Manual

Pioneer PL-630
42 pages
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Quartz
PLL
DIRECT
DRIVE
FULL
AUTOMATIC
TURNTABLE
L-630
Y
PIONEER’

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Pioneer PL-630 Specifications

General IconGeneral
Drive SystemDirect Drive
MotorQuartz PLL Hall Motor
PlatterAluminum Die-cast
Wow and Flutter0.025% WRMS
Signal to Noise Ratio78 dB
Effective Length237 mm
Overhang15 mm
Power RequirementsAC 120V, 60Hz
Weight12.5 kg
Speeds33 and 45rpm
Tonearm TypeStatic-balanced type
Cartridge Weight Range4-10 g
Tracking Force Range0-3 g

Summary

1. SPECIFICATIONS

2. PANEL FACILITIES

3. DISASSEMBLY

5. SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PARTS LIST

Schematic Diagrams

Overall circuit diagrams illustrating component interconnections.

P.C. Board Connection Diagrams

Illustrates physical wiring between circuit boards and components.

7. DESCRIPTION OF OPERATION

8. ADJUSTMENT

Stylus Lowering Position Adjustment

Guides on adjusting the stylus drop point for accurate record playing.

DD Motor Operating Point Adjustment

Details how to adjust the drive control assembly for correct motor operation.

Speed Adjustment (Quartz Lock Off)

Explains how to adjust platter speed manually when Quartz Lock is off.

CdS Cell Sensitivity Adjustment

Guides on adjusting the CdS cell sensitivity for proper end detection.

Meter Adjustment Procedure

Procedures for calibrating the speed meter using frequency counter and VR controls.

9. D.D. MOTOR CIRCUIT DESCRIPTIONS AND TROUBLE SHOOTING

D.D. Motor Block Diagram

Circuit block diagram of the direct drive motor system.

Motor Operation Principles

Explains the construction and principle of rotation for the DC brushless motor.

Trouble Shooting Chart

Guides on diagnosing and resolving motor and speed related faults.

Motor Runaway Troubleshooting

Troubleshooting steps for motor runaway conditions, checking voltages and signals.

Quick Stop Operation Faults

Diagnosing faults related to the quick stop function and turntable stopping behavior.

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