Sony PMC-DR70L User Manual

Ver 1.0 1999.09
MICROFILM
PMC-DR50L/DR70L
SERVICE MANUAL
PERSONAL COMPONENT SYSTEM
SPECIFICATIONS
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type MF-PMCDR50
CD
Model Name Using Similar Mechanism NEW
Section
MD Mechanism Type KSM-213CCP
Optical Pick-up Type KSS-213C
– Continued on page 2 –
AEP Model
UK Model
E Model
PMC-DR50L/DR70L
Tourist Model
PMC-DR50L
Photo : PMC-DR70L

Sony PMC-DR70L Specifications

General

Tuner Bands	FM/AM
CD Player	Yes
Remote Control	Yes
Type	Mini Component System
Playback Media	CD
Frequency Response	20Hz - 20kHz
Signal-to-Noise Ratio	80dB
Dimensions	180 x 270 x 300 mm
Weight	5.5 kg

Summary

SERVICE NOTES

Optical Pick-up and Laser Safety

Precautions for handling the optical pick-up and laser diode safety.

Flexible Circuit Board and Component Repair

DISASSEMBLY INSTRUCTIONS

Main Unit Component Removal

Step-by-step guide to disassembling the main unit and its parts.

ADJUSTMENTS AND CALIBRATION

Mechanical Adjustments

Procedures for adjusting tape torque, tension, and head azimuth.

Electrical Adjustments

Procedures for electrical adjustments including tape speed and tuner settings.

SCHEMATICS AND DIAGRAMS

IC Terminal Pinouts

System Block Diagrams

Detailed Schematic Diagrams

Detailed circuit diagrams for main, amp, and woofer sections.

ELECTRICAL PARTS REFERENCE

Passive Components and Semiconductors