Aiwa CSD-ED27 User Manual

COMPACT DISC STEREO RADIO
CASSETTE RECORDER
CSD-ED27
S/M Code No. 09-994-327-4R2
LH(S),HR(S)
HA(S)
SERVICE MANUAL
REVISION
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
CSD-ED27(HRJ<S>,LH<S>)(S/M Code No.09-994-327-4T2) .
BASIC TAPE MECHANISM : TN21ZVC-1812
BASIC CD MECHANISM : KSM-213CDM
DATA

Aiwa CSD-ED27 Specifications

General

Brand	Aiwa
Model	CSD-ED27
Category	Stereo System
Language	English

Summary

Laser Safety Precautions

Laser Beam Exposure Warnings

General safety guidelines for laser beam exposure during servicing.

Optical Block Replacement Precautions

Steps to safely replace the optical block, emphasizing electrostatic discharge.

Device Specifications

Tuner Section Specifications

Details on FM and AM tuning ranges and antenna types.

Compact Disc Player Specifications

Details on disc scanning, speakers, power output, and requirements.

Cassette Deck Specifications

Details on track format, frequency response, recording/erasing systems, and heads.

General and Accessories Information

Overall specifications, including power, dimensions, weight, and included accessories.

Disassembly Procedure

Step-by-Step Disassembly Guide

Detailed instructions and diagrams for disassembling the unit.

Electrical Component Lists

ICs, Transistors, and Diodes

Lists integrated circuits, transistors, and diodes with part numbers.

Main Circuit Board Components

List of components mounted on the main circuit board.

Capacitors, Connectors, and Other Components

Transistor Illustrations

IC Pin Descriptions

Key Integrated Circuit Pinouts

Detailed pin functions for key ICs including LC78622ED, LA9241ML, and LC867132V-5H52.

Integrated Circuit Block Diagrams

Block Diagrams for M62495FP, TA8227P, TA2104AN

Visual representation of internal structures for key ICs.

Block Diagrams for LC72121M, MM1434XF, BA6898S

Block diagrams for tuner, CD, and audio processing ICs.

Schematic Diagram - Main Tuner Section

Schematic Diagram - EQ Amp, Power, Battery, Key Sections

Wiring Diagram - Main, Front, MICOM, Key Sections

Electrical Adjustments

Tuner Section Adjustments

Calibration steps for FM and AM tuning and tracking.

Deck Section Adjustments

Adjustments for tape deck head azimuth and bias oscillator frequency.

Schematic Diagram - Front and MICOM Sections

Wiring Diagram - CD, Power, Battery Sections

Mechanical Exploded View

Mechanical Main Parts List

Tape Mechanism Exploded View

Tape Mechanism Parts List

CD Mechanism Exploded View

CD Mechanism Parts List