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Kenwood KD-650 Service Manual

Kenwood KD-650
32 pages
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KENWOOD
HI/FI
STEREO
COMPONENTS
KD-600
(KD-650)
NOTE:
KD-600
is
not
provided
with
tonearm,
shell
and
cartridge.
(KD-650)
QUARTZ
PLL
DIRECT
DRIVE
TURNTABLE

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Kenwood KD-650 Specifications

General IconGeneral
Drive methodDirect drive
Effective arm length245 mm
Overhang15 mm
Stylus pressure adjustment range0 to 3 g
MotorDC servo motor
Speeds33 1/3, 45 rpm
PlatterDie-cast aluminum
Wow and flutter0.025% WRMS
Signal to noise ratio78 dB
TonearmStatic balance type
Weight14 kg
Dimensions490 x 180 x 410 mm

Summary

External View of Kenwood KD-600 Turntable

Internal View of Kenwood KD-600 Turntable

Kenwood KD-600 Circuit Description and Theory

Fundamental Theory of Quartz PLL-Turntable

Explains the fundamental operating principles of the quartz PLL turntable system.

PLL and Speed Control Theory

Details Phase-Locked Loop operation and Speed-Voltage servo system.

Operation Control and Monitoring Circuits

Describes touch switch operation, speed monitoring, and lock indicator circuits.

Brake and Reversal Prevention Circuits

Explains the brake monitor, brake circuit, and reversal prevention functions.

Kenwood KD-600 Block Diagram

Kenwood KD-600 Disassembly for Repair

Kenwood KD-600 Adjustments and Calibration

PLL and Lock Indicator Adjustment Procedures

Provides step-by-step procedures for adjusting PLL and lock indicator timing.

Kenwood KD-600 Exploded View Diagram

Kenwood KD-600 Parts List

Kenwood KD-600 Specifications

Kenwood KD-600 Waveforms at Check Points

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