Sharp CD-E99 User Manual

CD-E99
No. S2316CDE99///
CONTENTS
Page
IMPORTANT SERVICE NOTES........................................................................................................................................ 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
DISASSEMBLY.................................................................................................................................................................. 5
NOTES ON SCHEMATIC DIAGRAM ................................................................................................................................ 8
TYPES OF TRANSISTOR AND LED................................................................................................................................. 8
BLOCK DIAGRAM ............................................................................................................................................................. 9
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 12
VOLTAGE ........................................................................................................................................................................ 29
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 30
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
MINI COMPONENT SYSTEM
MODEL CD-E99
CD-E99 Mini Component System consisting of CD-E99
(main unit) and CP-E99 (speaker system).
CD-E700/CD-E77
Page
REMOVING AND REINSTALLING THE MAIN PARTS .......................................................................................................... 9
ADJUSTMENT....................................................................................................................................................................... 10
TROUBLESHOOTING........................................................................................................................................................... 37
FUNCTION TABLE OF IC ..................................................................................................................................................... 41
FL DISPLAY .......................................................................................................................................................................... 47
This Service Manual is for the CD-E99, which is a minor-modification model of the CD-E700/CD-E77, This manual, therefore,
describes only the changed points from the service manual.
Please refer to the CD-E700/CD-E77, service manual (No. S1301CDE700//) together with this manual.

Sharp CD-E99 Specifications

General

Brand	Sharp
Model	CD-E99
Category	Stereo System
Language	English

Summary

IMPORTANT SERVICE NOTES

Safety Precautions and Leakage Current Test

Details safety checks, lead dress inspection, protective devices, and leakage current testing.

SPECIFICATIONS

CD-E99 System Specifications Overview

Covers general, amplifier, CD player, tuner, cassette, and speaker system specifications.

NAMES OF PARTS

Front and Rear Panel Components Identification

Identifies controls, indicators, and connectors on the CD-E99 front and rear panels.

Remote Control and Speaker Component Identification

Details remote control functions and identifies CP-E99 speaker components.

DISASSEMBLY

Disassembly Precautions and Main Unit Steps

Covers safety cautions and step-by-step procedures for disassembling the CD-E99 main unit.

Speaker Unit Disassembly Procedures

Provides disassembly instructions for the CP-E99 speaker system components.

SCHEMATIC DIAGRAMS AND WIRING

Diagram Interpretation Notes and Component Types

Explains schematic symbols, notes, transistor, and LED identification.

Block Diagrams Overview

Presents the initial part of the high-level functional block diagram of the system.

Detailed Circuit Schematics

Presents comprehensive electronic circuit schematics for various sections of the unit.

Printed Wiring Board Layouts

Illustrates component placement and wiring on the main, display, servo, and power PCBs.

VOLTAGES AND WAVEFORMS

Voltage Measurement Points

Lists specific IC pin voltages measured under normal operating conditions for diagnostics.

CD Circuit Signal Waveform Analysis

Displays oscilloscope waveforms for key signals in the CD playback circuit.

REPLACEMENT PARTS GUIDE

Ordering Parts and Component Identification Codes

Provides instructions and codes for ordering spare parts and identifying components.

EXPLODED VIEWS

CD Mechanism and Cabinet Exploded Views

Shows exploded diagrams of the CD mechanism and main unit cabinet assemblies.

Speaker Exploded View

Displays an exploded diagram of the CP-E99 speaker system for parts identification.

PACKING OF THE SET

Packing Instructions and Included Accessories

Details packing for the unit/speakers and lists included accessories like manuals.