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Technics SL-QD22

Technics SL-QD22
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Technics SL-QD22 Specifications

General IconGeneral
Speeds33 1/3, 45 RPM
Effective arm length230 mm
Overhang15 mm
MotorQuartz-controlled DC motor
Turntable platterAluminum die-cast
TonearmStatic-balanced S-shaped tonearm
Cartridge typeMoving Magnet (MM)
Output Voltage2.5 mV
Power SupplyAC 120V, 60Hz
Drive methodBelt Drive
Tonearm typeStatic-balanced S-shaped tonearm

Summary

SPECIFICATIONS

Turntable Specifications

Details about the turntable's direct drive system, motor, platter, speeds, wow/flutter, and rumble.

Tonearm Specifications

Specs for the tonearm, including type, effective length, overhang, tracking error, and mass.

SAFETY PRECAUTION

Insulation Resistance Test Procedure

Procedure for testing insulation resistance to prevent electric shock hazards during servicing.

DISASSEMBLY INSTRUCTIONS

Tonearm Removal

Detailed steps for removing the tonearm assembly, including desoldering wires and removing screws.

Motor Removal

Procedure for removing the motor, involving setscrews and a lead holder.

MEASUREMENTS AND ADJUSTMENTS

Current Adjustment Procedure

Procedure to adjust VR402 for the cueing LED in Test mode 1, measuring voltage.

8 V Adjustment Procedure

Steps to adjust the shutter plate screw for cueing LED in Test mode 1, using turntable mat marks.

4 V Adjustment Procedure

Procedure to adjust VR401 for cueing LED in Test mode 2, using turntable mat marks.

Stylus-to-Disc Clearance Adjustment

How to adjust stylus tip position for cartridge replacement or stylus wear.

SCHEMATIC DIAGRAM

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