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Sharp SYSTEM-CD555ZT(GY) - User Manual

Sharp SYSTEM-CD555ZT(GY)
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SHARP
SERVICEMANUAL
S$3410SYSCD555
SYSTEM-CD555ZT(GY)
COMPACT
IS
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Inthe
interests
of
user-safety
the
set
should
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restored
to
its
original
|
DIGITAL
AUDIO
condition
and
only
parts
identical
to
those
specified
be
used.
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SECTION)
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SHARP
CORPORATION
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Sharp SYSTEM-CD555ZT(GY) Specifications

General IconGeneral
BrandSharp
ModelSYSTEM-CD555ZT(GY)
CategoryMeasuring Instruments
LanguageEnglish

Summary

Specifications

General

Details power source, consumption, output, dimensions, and weight.

Tuner Section

Specifies frequency ranges for FM, LW, MW, and SW bands.

Tape Deck Section

Lists tape deck specifications like frequency response and S/N ratio.

Compact Disc Player Section

Details CD player specs: signal readout, audio channels, response.

Speaker Section

Provides speaker type, maximum input power, dimensions, and weight.

Dial Cord Stringing

Names of Parts

CD Display Section

Identifies parts of the CD display, including indicators and controls.

CD Section Controls

Lists components related to CD playback and management.

Amplifier Section Controls

Details controls for graphic equalizer, X-BASS, volume, and power.

Tuner Section Controls

Lists components for FM/AM tuning and band selection.

Tape Mechanism Parts

Rear Panel Parts

Speaker Parts

Disassembly

Disassembly Precautions

Provides safety and handling precautions before disassembling the unit.

Main Unit Disassembly Steps

Outlines the step-by-step procedure for disassembling the main unit.

Speaker Disassembly Steps

Details the procedure for disassembling the speaker components.

Removing and Reinstalling Main Parts

Tape Mechanism Section

Instructions for removing and reinstalling tape mechanism parts.

Tape Head Removal

Procedure for removing and reinstalling tape heads.

Pinch Roller Removal

Procedure for removing and reinstalling pinch rollers for Tape 1 and Tape 2.

CD Mechanism Section

Instructions for removing and reinstalling the CD mechanism.

Optical Pickup Removal

Steps for removing and reinstalling the optical pickup.

Adjustment

Mechanism Section Adjustments

Adjustments for driving force and torque of the tape mechanism.

Tape Section Adjustments

Adjustments for volume, beat cancel, equalizer, dubbing speed, and function.

Tuner Section Adjustments

Alignment and adjustment points for FM and AM reception.

AM IF;RF Adjustment

Specifies test stages, values, and connections for AM alignment.

FM IF;RF Adjustment

Details test stages, values, and connections for FM alignment.

VCO Frequency Adjustment

Procedure for adjusting the VCO frequency.

Playback Amplifier Sensitivity Check

Procedure for checking playback amplifier sensitivity.

CD Section Adjustment

Preparation for Adjustment

Steps to prepare and set test modes for CD adjustment.

Setting the Test Mode

Details the sequence of button presses to enter various CD test modes.

Button Operation in Test Mode

Explains button functions and behavior within CD test modes.

Focus Gain Adjustment

Procedure for adjusting focus gain using VR751.

Tracking Gain Adjustment

Procedure for adjusting tracking gain using VR750.

Notes on Schematic Diagram

Resistor and Capacitor Identification

Explains symbols and units used for resistors and capacitors.

Schematic Diagram Notes

General notes regarding control states and safety parts in diagrams.

Block Diagram (1;2)

Block Diagram (2;2)

Wiring Side of PWB (1;3)

Waveforms of CD Circuit

Troubleshooting (CD Section)

When the CD does not function

Troubleshooting steps for general non-functional CD operation.

The LCD does not function

Checks for issues preventing the LCD from displaying information.

The laser does not go on

Steps to diagnose why the laser diode is not activating.

Does not focus

Troubleshooting steps for the optical pickup failing to focus.

Spin Motor CLV Servo Issues

HF Error

Troubleshooting steps for high-frequency error signals.

No Audio Output

Steps to resolve the absence of audio from both channels.

Track Searching is impossible

The Slide Motor Does Not Run

Troubleshooting for the slide motor failing to operate.

The Slide Servo Does Not Function

Diagnosing issues with the slide servo system.

IC Function Tables

IC780 CD Signal Control (1;2)

Pinout and function details for IC780, CD Signal Control.

IC780 CD Signal Control (2;2)

Continued pinout and function details for IC780.

IC951 Control Microcomputer

IC810 D;A Converter

Tape Mechanism Exploded View

CD Mechanism Exploded View

Cabinet Exploded View

Speaker Box Exploded View

Replacement Parts List

Integrated Circuits, Transistors, Diodes

Lists replacement ICs, transistors, and diodes with part numbers.

Filters, Transformers, Coils, Variable Resistors

Lists replacement filters, transformers, coils, and variable resistors.

Replacement Parts List (Capacitors)

Capacitors

List of replacement capacitors with part numbers and descriptions.

Variable Capacitors and Vibrators

Lists replacement variable capacitors and vibrator components.

Replacement Parts List (Resistors)

Resistors (Part 1)

List of replacement resistors with part numbers and descriptions.

Replacement Parts List (Resistors Continued)

Resistors (Part 2)

Further list of replacement resistors with part numbers and descriptions.

Replacement Parts List (Miscellaneous)

Other Circuitry Parts

Lists miscellaneous parts like connectors, fuses, and holders.

Deck Mechanism Parts

Lists components for the tape deck mechanism, including levers, springs, and screws.

Replacement Parts List (Components)

CD Mechanism Parts

Lists parts for the CD mechanism, including gears, shafts, and motors.

Cabinet Parts

Lists various cabinet components and screws.

Accessories and Packing Parts

Lists accessories like power cords, manuals, and packing materials.

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