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Sharp CP-C7000 User Manual

Sharp CP-C7000
80 pages
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CD-K7000V,CP-C7000
No. S6051CDK7000V
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 7
DISASSEMBLY.................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 14
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 16
BLOCK DIAGRAM ........................................................................................................................................................... 17
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................. 21
VOLTAGE ........................................................................................................................................................................ 43
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 44
TROUBLESHOOTING ..................................................................................................................................................... 45
FUNCTION TABLE OF IC................................................................................................................................................ 49
FL DISPLAY ..................................................................................................................................................................... 64
REPLACEMENT PARTS LIST/EXPLODED VIEW
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
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
NTSC/PAL
CD-K7000V
MODEL
VIDEO CD MINI SYSTEM
CP-C7000
MODEL
SPEAKER SYSTEM
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Sharp CP-C7000 Specifications

General IconGeneral
BrandSharp
ModelCP-C7000
CategoryStereo System
LanguageEnglish

Summary

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS

Precautions for protecting eyes from laser beam exposure during servicing.

Laser Diode Properties

Technical specifications of the laser diode used in the product.

VOLTAGE SELECTION

AC Plug Adaptor

Information on using the AC plug adaptor for voltage selection.

SPECIFICATIONS

General Specifications

Overall technical details of the CD Mini System.

Video CD Section Specifications

Technical details related to Video CD playback.

Tuner Section Specifications

Technical details for the FM/AM tuner.

Cassette Deck Section Specifications

Technical details for the cassette tape deck.

Speaker System Specifications (CP-C7000)

Technical details for the CP-C7000 speaker system.

NAMES OF PARTS

CD-K7000V Front Panel Parts

Identification and numbering of front panel components.

Remote Control Parts

Identification and numbering of remote control components.

Speaker System Parts (CP-C7000)

Identification of main and sub speaker components.

SYSTEM COMPONENTS OVERVIEW

Display Panel Indicators

Description of indicators on the unit's display.

Rear Panel Connections and Terminals

Identification of rear panel ports and controls.

PREPARATION FOR USE

Connecting the AC Power Lead

Instructions for connecting the unit to the AC power supply.

AM/FM Interval (Span) Setting

How to set the AM tuning interval for your area.

SETTING THE CLOCK

Clock Setting Procedure

Step-by-step guide to set the unit's clock time.

REMOTE CONTROL OPERATION

Notes on Remote Control Use

Guidelines for effective and proper use of the remote control.

MICROCOMPUTER RESET PROCEDURE

Resetting Conditions and Caution

Reasons for reset and important cautions during the process.

DISASSEMBLY PROCEDURE

Caution on Disassembly

Important notes for safe and effective disassembly and reassembly.

CD-K7000V Disassembly Steps

Detailed procedure for taking apart the main CD unit.

CP-C7000 Speaker Disassembly Steps

Detailed procedure for taking apart the speaker system.

MAIN PARTS REMOVAL AND REINSTALLATION

Tape Mechanism Section Removal

Procedures for removing and reinstalling tape mechanism parts.

CD Mechanism Section Removal

Procedures for removing and reinstalling CD mechanism parts.

ADJUSTMENT PROCEDURES

Mechanism Section Adjustments

Adjustments for driving force and torque of the mechanism.

Tuner Section Adjustments

Adjustment procedures for AM IF/RF and FM RF sections.

CD SECTION ADJUSTMENTS

Automatic Adjustments

Details on automatic adjustments performed by the CD system.

TEST MODE OPERATIONS

Setting the Test Mode

Procedures for entering different test modes for CD operation.

CD ERROR CODE DESCRIPTIONS

Error Code List

Table of error codes and their corresponding state descriptions.

NOTES ON SCHEMATIC DIAGRAM

Component Identification Codes

Explanation of codes used for resistors and capacitors.

BLOCK DIAGRAMS

MPEG Controller and Decoder Block

Block diagram of the MPEG controller and decoder ICs.

Servo and Video Amplifier Block

Block diagram of the servo DSP and video amplifier.

Motor Control and Pickup Block

Block diagram of motor control and pickup unit.

Tuner and Tape Section Block Diagram

Block diagram of tuner, tape, and audio processing circuits.

Power Supply and Microcomputer Block Diagram

Block diagram of power supply, system microcomputer, and fan control.

Microphone Input Block Diagram

Block diagram illustrating microphone input processing.

SCHEMATIC DIAGRAMS

Karaoke PWB Schematic

Detailed schematic of the Karaoke Printed Wiring Board.

MPEG Controller Schematic

Detailed schematic of the MPEG controller circuit.

CD Video PWB Schematic

Detailed schematic of the CD Video Printed Wiring Board.

CD Video PWB Schematic (Continued)

Further details of the CD Video Printed Wiring Board schematic.

Servo DSP Control Schematic

Detailed schematic of the Servo DSP control circuit.

Servo DSP Control Schematic (Continued)

Further details of the Servo DSP control circuit schematic.

Main PWB Schematic

Detailed schematic of the Main Printed Wiring Board.

Main PWB Schematic (Continued)

Further details of the Main Printed Wiring Board schematic.

Main PWB Tuner Section Schematic

Detailed schematic of the tuner section on the Main PWB.

Display PWB Schematic

Detailed schematic of the Display Printed Wiring Board.

Volume Motor and Switch Schematic

Schematic for volume motor and associated switch controls.

Power Amplifier PWB Schematic

Detailed schematic of the power amplifier Printed Wiring Board.

Power Supply PWB Schematic

Detailed schematic of the power supply Printed Wiring Board.

WIRING SIDE OF PRINTED WIRING BOARDS

Main PWB-A1 Wiring Side

Wiring layout for the Main PWB-A1.

Tape Mechanism and Switches Wiring Side

Wiring layout for Tape Mechanism PWB and associated switches.

Display PWB-A2 Wiring Side

Wiring layout for the Display PWB-A2.

Jog PWB-E2 and Switches Wiring Side

Wiring layout for Jog PWB and associated switches.

Power Amp. PWB-B2 Wiring Side

Wiring layout for the Power Amplifier PWB-B2.

Power Supply, Headphones, and Karaoke PWB Wiring Side

Wiring layout for Power Supply, Headphones, and Karaoke PWBs.

CD Video PWB-C (Bottom View) Wiring Side

Wiring layout for the bottom view of CD Video PWB-C.

CD Video PWB-C (Top View) and CD Motor PWB-F Wiring Side

Wiring layout for top view of CD Video PWB-C and CD Motor PWB-F.

Tape Mechanism PWB-E Wiring Side

Wiring layout for the Tape Mechanism PWB-E.

VOLTAGE SPECIFICATIONS

IC Pin Voltages

List of voltage readings for various IC pins during operation.

CD CIRCUIT WAVEFORMS

IC2 Waveforms

Oscilloscope waveforms for IC2, illustrating circuit operation.

IC1 Waveforms

Oscilloscope waveforms for IC1, illustrating circuit operation.

TROUBLESHOOTING

CD Section Not Functioning

Troubleshooting steps when the CD section fails to operate.

CD Playback Failure Diagnosis

Steps for diagnosing issues preventing CD playback.

CD Playback Issues: Focus-HF System Check

Diagnosing issues related to the focus and HF system.

CD Playback Issues: Tracking System Check

Diagnosing issues related to the tracking system.

CD Playback Issues: Spin System Check

Diagnosing issues related to the spin system and turntable rotation.

CD Playback Issues: PLL System Check

Diagnosing issues with the PLL system and TOC data reading.

CD Playback Issues: Sound Output Problems

Troubleshooting when no sound is produced or there are dropouts.

INTEGRATED CIRCUIT FUNCTION TABLES

IC1 Servo Amplifier Function Table

Pin-out and function description for the Servo Amplifier IC.

IC2 Servo DSP Function Table

Pin-out and function description for the Servo DSP IC.

IC701 System Microcomputer Function Table

Pin-out and function description for the System Microcomputer IC.

IC3 Focus/Tracking/Spin/Sled Driver Function Table

Pin-out and function description for the Driver IC.

IC601 Audio Processor Function Table

Pin-out and function description for the Audio Processor IC.

ICK1 Microphone Amplifier Function Table

Pin-out and function description for the Microphone Amplifier IC.

ICK2 Key Control Function Table

Pin-out and function description for the Key Control IC.

IC3 DRAM (SDM4260C) Function Table

Pin-out and function description for the DRAM IC.

ICV4 Video Operation Amp. Function Table

Pin-out and function description for the Video Operation Amp IC.

FL701 FL Display Pin Connections

Pin connection details for the FL display module.

PARTS GUIDE

Explanation of Capacitors and Resistors Parts Codes

Decoding conventions for capacitor and resistor part numbers.

REPLACEMENT PARTS LIST

Semiconductor Components

List of integrated circuits, transistors, diodes, and LEDs.

Passive and Tuned Components

List of filters, transformers, coils, and capacitors.

Variable Components and Other Parts

List of variable resistors, capacitors, vibrators, and knobs.

Other Circuitry Parts

List of connectors, fuses, and other miscellaneous parts.

CD Mechanism Parts

List of replacement parts for the CD mechanism.

Cabinet Parts and Accessories

List of cabinet components, knobs, and accessories.

Control and Mechanical Parts

List of knobs, brackets, motors, and switches.

Documentation and Speaker Box Parts

List of manuals, warranty cards, and speaker system components.

EXPLODED VIEWS

CD Mechanism Exploded View

Detailed illustration of the CD mechanism assembly.

Cabinet Exploded View (Part 1)

Illustration of the main unit's cabinet assembly (1/2).

Cabinet Exploded View (Part 2)

Illustration of the main unit's cabinet assembly (2/2).

SPEAKER EXPLODED VIEWS

Speaker Exploded View (Part 1)

Illustration of the CP-C7000 speaker system assembly (1/2).

Speaker Exploded View (Part 2)

Illustration of the CP-C7000 speaker system assembly (2/2).

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