Pioneer PD-5050-S User Manual

© <riw the sereicing these models, please refer to the following service ruiarsisai.
o PD-7050/KU, KC, HEM, HB, SD types and PD-7050-S/HEM type; ARP1331
o PD-6050/KU, KC, HEM, HB, SD, SD/G types and PD-6050-S/HEM type; ARP1329
o PD-5050/HEM, HBtypesand PD-5050-S/HEM type;ARP1330
e PD-40S0/KU, KC, HEM, HB, HP, SD, SD/G types and PD-405G-S/HEM, HB types; ARP1332
CONTENTS
1. IC DATA 2
2. OPTICAL PATH IN THE PICK-UP 8
3. BLOCK DIAGRAM 11
4. CIRCUIT DESCRIPTIONS . 13
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1 -Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L3R 6B8 Canada TEL: [416] 479-4411
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium TEL: 03/775 -28-08
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911
MT ©MAR. 1987 Printed in Japan

Pioneer PD-5050-S Specifications

General

Type	CD Player
Total Harmonic Distortion	0.003 %
Dimensions	420 x 114 x 272 mm
Weight	4.2 kg
Color	Silver
Frequency Response	2 Hz to 20 kHz
Output	2V
Disc formats	CD
Channels	2
Output Voltage	2V

Summary

IC Data and Terminal Descriptions

PD3091A IC Terminal Specifications

Details the terminal functions of the PD3091A IC for specific PD models.

PD3092A IC Terminal Specifications

Details the terminal functions of the PD3092A IC for specific PD models.

PD3093A IC Terminal Specifications

Details the terminal functions of the PD3093A IC for specific PD models.

Optical Path Analysis

Pick-up Optical Path and Components

Details the optical path configuration and components of the pick-up assembly.

Optical Component Features

Explains the specific characteristics and advantages of individual optical components.

RF and Servo Signal Generation

Explains the generation and detection of RF and servo signals from the disc.

System Block Diagram

Circuit Descriptions

Accurate Focus Servo System

Details the Accurate Focus System for signal processing and distortion reduction.

Integrated Circuit (IC) Descriptions

Provides detailed descriptions and schematics for key integrated circuits used in the system.

TOC Reading Procedure

Describes the procedure for reading the Table of Contents (TOC) from the disc.

Carriage Servo System Details

Details the carriage servo system, including drive voltage and LOCATE operation.

Demodulator Functions

Explains the functions of the demodulator, primarily composed of LSI CXD1135Q.

Digital Level Control

Details digital level control for PD-7050 and PD-7050-S models using a digital attenuator IC.

System Control Commands and Operations

Focus Command ($0X)

Details the $0X command for focus servo control via the SENS pin.

Tracking Command ($1X)

Details the $1X command for controlling tracking servo gain and break circuit.

Track Jump Operations

Describes track jump sequences (1, 10, 50, 100) using auto sequence and system µ-COM.