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Sharp CD-C430H User Manual

Sharp CD-C430H
56 pages
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CD-C430H,CP-C430H
– 1 –
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES (FOR UK ONLY) ............................................................................................................ 3
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT ..................................................................................................................................................................10
NOTES ON SCHEMATIC DIAGRAM ...............................................................................................................................12
BLOCK DIAGRAM ............................................................................................................................................................13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.............................................................................................. 16
VOLTAGE ........................................................................................................................................................................ 29
WAVEFORMS OF CD CIRCUIT .......................................................................................................................................30
TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION)...............................................................................31
FUNCTION TABLE OF IC................................................................................................................................................ 35
FL DISPLAY ......................................................................................................................................................................41
WIRING OF PRIMARILY SUPPLY LEADS (FOR UK ONLY) ......................................................................................... 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR UK ONLY)
SHARP CORPORATION
No. S6739CDC430H/
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
CD-C430H and CP-C430H constitute CD-C430H.
Note for users in UK
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
CD-C430H
CP-C430H
SERVICE MANUAL
• SRS technology Licensed from SRS Labe. SRS technology holds
the follwing patents: U.S. Patent No. 4,748,669, U.S. Patent No.
4,841,572 and U.S. Patent No. 4,866,774.
SRS the SRS Logo ( ) and the SOUND RETRIEVAL SYSTEM
are registered trademarks of SRS Labs, Inc.

Questions and Answers:

Sharp CD-C430H Specifications

General IconGeneral
BrandSharp
ModelCD-C430H
CategoryStereo System
LanguageEnglish

Summary

Service Safety Precautions

Laser Pickup Servicing Precautions

Precautions for safe servicing of the laser pickup.

Important Service Notes (For UK Only)

Operation Manual

Disassembly Procedure

CD-C430H Disassembly Steps

Step-by-step guide to disassembling the CD-C430H model.

Main Parts Removal and Reinstallation

CD Mechanism Section

Procedures for removing and reinstalling the CD mechanism.

Adjustment Procedures

Mechanism Section Adjustments and Checks

Covers driving force, torque, tape speed, and test mode.

Tuner Section Adjustments

Covers tuner settings, FM mute level, and test mode.

Test Mode Operations

Setting and Operating CD Test Mode

Instructions for entering and using the CD test mode.

CD Section Automatic Adjustments

Details on automatic adjustments for the CD section.

Block Diagrams

Wiring Diagrams

Schematic Diagrams

Voltage Specifications

IC Pin Voltages

Lists expected voltage readings for various IC pins.

CD Circuit Waveforms

Waveform Analysis and Interpretation

Displays and explains key waveforms for CD circuit troubleshooting.

Troubleshooting CD Section

Turntable Operation Issues

Diagnosing and resolving turntable stop and movement problems.

CD Tray and Key Operation Issues

Troubleshooting CD tray and key functionality problems.

Disc Playback and Tracking System Issues

Diagnosing playback and tracking system faults.

Spin System, VCO-PLL, and Audio Output Issues

Diagnosing spin, VCO-PLL, and no-sound problems.

IC Function Tables and Block Diagrams

IC1 Function Table (Servo Amplifier)

Details functions of IC1 (LA9241M) pins.

IC701 Function Table (System Microcomputer)

Details functions of IC701 (IX0191AW) pins.

Replacement Parts Ordering and Identification

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