Sanyo DC-DA370 User Manual

FILE NO.
Service Manual
Micro Component System
DC-DA370 (XE)
PRODUCT CODE No.
129 599 01 (XE)
REFERENCE No.
SM5810189
This service manual consists of "DC-DA370U" (Main unit : 129 598 01) and "SX-DA370"
(Speaker system : 165 027 01).
Contents
Specifications ...................................................................1
System connection...........................................................1
Laser beam safety precaution..........................................2
CD pick-up maintenance.................................................. 2
CD player adjustments..................................................... 2
Tape adjustments ............................................................3
Tuner adjustments ...........................................................4
When assembling the Rack Gear and CD Lid ................. 5
Exploded view
(Cabinet & Chassis) ......................................................6
(Tape mechanism) ........................................................13
Parts list
(Cabinet & Chassis) ......................................................7
(Tape mechanism) ........................................................13
(CD mechanism) ...........................................................7
IC block diagram & description ........................................ 14
Schematic diagram
(CD)...............................................................................18
(FRONT) ....................................................................... 20
(AMPLIFIER )................................................................ 26
(TUNER) ....................................................................... 28
Wiring diagram
(CD & FRONT) .............................................................. 22
(TUNER & AMPLIFIER ) ............................................... 24
(PRIMARY + SECONDARY POWER
TRANSFORMER AND CD LID SWITCH)....................30
Voltage Table ................................................................... 31
LCD display description ................................................... 33
Wiring connection ............................................................ 34

Sanyo DC-DA370 Specifications

General

Brand	Sanyo
Model	DC-DA370
Category	Stereo System
Type	Mini Hi-Fi System
CD Player	Yes
Tape Deck	Dual
Remote Control	Yes
Tuner Bands	FM/AM
Output Power	30W

Summary

System Specifications and Operation

System Connection

Details on connecting the micro component system to external devices.

Laser Beam Safety Precaution

Important safety warnings regarding the laser beam used in the CD player.

CD Pick-up Maintenance

Instructions for cleaning the optical pick-up lens of the CD player.

CD Player Adjustments

Procedures for adjusting the CD player's tracking and focus mechanisms.

Tape Adjustments

Steps for adjusting the azimuth, speed, and torque of the tape deck.

Tuner Adjustments

Procedures for tuning and adjusting the FM, MW, and LW reception.

Assembly: Rack Gear and CD Lid

Guidance on correctly assembling the rack gear and CD lid components.

Component Diagrams, Lists, and IC Details

Exploded View: Cabinet & Chassis

Detailed exploded view of the unit's cabinet and chassis components.

Exploded View: Tape Mechanism

Exploded view of the tape deck mechanism parts.

Parts List: Cabinet & Chassis

Comprehensive list of all replaceable parts for the cabinet and chassis.

Parts List: Electrical Components

List of electronic components like resistors, capacitors, ICs, and transistors.

Parts List: Printed Wiring Boards

Detailed parts listing for the various printed wiring board assemblies.

IC Block Diagram & Description

Block diagrams and descriptions for key integrated circuits used in the system.

Schematic Diagrams

Schematic Diagram: CD

Detailed circuit diagram for the CD player section.

Schematic Diagram: Front

Detailed circuit diagram for the front panel circuitry.

Schematic Diagram: Amplifier

Detailed circuit diagram for the amplifier section.

Wiring and System Data

Wiring Diagram: Power Transformer & CD Lid Switch

Wiring layout for power transformer and CD lid switch PCBs.

Voltage Table

Table showing voltage measurements for various IC pins.

LCD Display Description

Description of the LCD segments and their functions.

Wiring Connection Diagram

Overview of how different sections of the system are interconnected.