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Kenwood L-07D Service Manual

Kenwood L-07D
26 pages
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Kenwood L-07D Specifications

General IconGeneral
Platter Diameter310mm
Speeds33, 45rpm
MotorDC Servo Motor
Overhang15 mm
PlatterAluminum
Signal to Noise Ratio78 dB

Summary

EXTERNAL VIEW

POWER SUPPLY UNIT INTERNAL VIEW

Internal view of the power supply unit with labeled components.

DISASSEMBLY FOR REPAIR

DISASSEMBLING THE TONEARM

Step-by-step procedure for disassembling the tonearm assembly.

REPLACING THE MOTOR

Instructions for the removal and replacement of the motor.

CONTROL PCB ASS'Y DETACHMENT

Procedure for detaching the control PCB assembly from the unit.

BLOCK DIAGRAM

LOGIC DIAGRAM

POWER SUPPLY LOGIC DIAGRAM

CONTROL SWITCH & OPERATION LOGIC DIAGRAMS

CONTROL SWITCH UNIT LOGIC DIAGRAM

Logic diagram for the control switch unit.

OPERATION UNIT LOGIC DIAGRAM

Logic diagram for the operation unit.

MOTOR DRIVE UNIT LOGIC DIAGRAM

EXPLODED VIEW

ADJUSTMENT PROCEDURES

BEFORE ADJUSTMENT

Prerequisites and checks before performing adjustments.

PLL ADJUSTMENT

Procedure for adjusting the Phase Locked Loop (PLL).

OFFSET ADJUSTMENT

OFFSET ADJUSTMENT AT START

Adjusting offset at the beginning of operation.

OFFSET ADJUSTMENT DURING PLAYBACK

Adjusting offset while the unit is playing.

WOW AND FLUTTER MEASUREMENT

POWER SUPPLY SCHEMATIC

CONTROL SCHEMATIC

QUARTZ PLL DIRECT SCHEMATIC

SPECIFICATIONS

PARTS LIST

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