Sanyo DC-D3 - User Manual

I FILE NO.
I
Service Manual
Mini Component System
D(2-D3 (AU)
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Contents
PRODUCT CODE No.
129 471 04
.
Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Exploded View (Tape Mechanism) . . . . . . . . . . . . . 20
Operating the Reset Switch . . . . . . . . . . . . . . . . . . 1 Parts List (Tape Mechanism) . . . . . . . . . . . . . . . . . 21
Laser Beam Safety Precaution . . . . . . . . . . . . . . . . 2 LCD Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 22
System Connection . . . . . . . . . . . . . . . . . . . . . . . . 2
lC Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Removal and installation . . . . . . . . . . . . . . . . . . . . . 3
lCVoltageof CD . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Disassemble ofthe CD Mechanism . . . . . . . . . . . . 5
Schematic Diagram (CD) . . . . . . . . . . . . . . . . . . . . 28
CD Player Adjustment . . . . . . . . . . . . . . . . . . . . . . 9
Wiring Diagram (CD) . . . . . . . . . . . . . . . . . . . . . . . 30
Tuner Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Schematic Diagram (Front) . . . . . . . . . . . . . . . . . . . 32
Tape Deck Adjustment . . . . . . . . . . . . . . . . . . . . . . 11
Schematic Diagram (Tuner) . . . . . . . . . . . . . . . . . . 34
Exploded View (Cabinet&Chassis) . . . . . . . . . . . . 13
Schematic Diagram (Amplifier) . . . . . . . . . . . . . . . . 36
Parts List (Cabinet&Chassis) . . . . . . . . . . . . . . . . 14 WwingDiagram( Amplifier) . . . . . . . . . . . . . . . . . . . 38
Parts List (Speaker) . . . . . . . . . . . . . . . . . . . . . . . . 14 Schematic Diagram (Deck) . . . . . . . . . . . . . . . . . . . 40
Exploded View (CD Mechanism) . . . . . . . . . . . . . . 18
Wtring Diagram (Deck) . . . . . . . . . . . . . . . . . . . . . . 41
Parts List (CD Mechanism) . . . . . . . . . . . . . . . . . . . 19
This servicemanual umsistsof “DC-D3LJ”(Main unit),”RB-D3” (Remotecontrcd),
. ...’
“SX-D3L” and “SX-D3R” (Speaker system).
REFERENCE
No. SM580508

Summary

OPERATING THE RESET SWITCH

LASER BEAM SAFETY PRECAUTIONS

REMOVAL AND INSTALLATION

DISASSEMBLE OF THE CD MECHANISM

Removing and installing the disc tray

Disassembling the mechanism

Check points for CD mechanism assembly and lubrication

Important checks and lubrication points during CD mechanism assembly.

CD PLAYER ADJUSTMENTS

CHECKING THE TRACKING

Method for checking and verifying the tracking balance and symmetry.

CHECKING THE EYE PATTERN

Procedure for checking the CD player's eye pattern for optimal performance.

TUNER ADJUSTMENTS

FM BAND ADJUSTMENTS

Step-by-step guide for tuning coverage and tracking adjustments on the FM band.

AM BAND ADJUSTMENTS

Step-by-step guide for tuning coverage and tracking adjustments on the AM band.

TAPE DECK ADJUSTMENTS

HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT

Instructions for replacing tape heads and performing azimuth adjustment for optimal playback.

MOTOR REPLACEMENT AND SPEED ADJUSTMENT

Steps for replacing tape deck motors and adjusting playback speed.

CHECKING THE MECHANISM TORQUES

Guidelines for checking and measuring mechanism torques for tape playback.

IC BLOCK DIAGRAMS

CD Mechanism IC Block Diagrams

Block diagrams for LA9220MS, BA6398FP, and related CD ICs.

Other IC Block Diagrams

Block diagrams for IC104 (Digital Signal Processor) and IC105 (D/A Converter).

Front, Tuner, and Amplifier IC Block Diagrams

Block diagrams for TA7358P, LA1831-N, LM7001, TA8189N, TA8229K, TC9153AP, L780S12 ICs.

IC VOLTAGES

CD Player IC Voltages

Other IC Voltages

SCHEMATIC DIAGRAM (CD)

WIRING DIAGRAM (CD)

SCHEMATIC DIAGRAM (FRONT)

SCHEMATIC DIAGRAM (TUNER)

SCHEMATIC DIAGRAM (AMPLIFIER)

WIRING DIAGRAM (AMPLIFIER)

SCHEMATIC DIAGRAM (DECK)

WIRING DIAGRAM (DECK)

Sanyo DC-D3 Specifications

General

Total harmonic distortion	1%
CD Player	Yes
Type	Mini Hi-Fi System
Signal to noise ratio	70dB
Radio	Yes
Speakers	Yes
Outputs	Headphones
Power output	20W per channel (RMS)