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Sony CFD-G550CP Service Manual

Sony CFD-G550CP
60 pages
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SERVICE MANUAL
CFD-G550CP
CD RADIO CASSETTE-CORDER
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on the
optical pick-up block with 7 mm aperture.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels
2
Frequency response
20 - 20 000 Hz +1/–2 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
Mexican model
FM 87.5 - 108 MHz
AM 530 - 1 710 kHz
Other models
FM 87.5 - 108 MHz
AM 531 - 1 611 kHz (9 kHz step)
530 - 1 610 kHz (10 kHz step)
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
SPECIFICATIONS
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 120 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal): 70 - 13 000 Hz
General
Speaker
Full range: 10 cm dia., 3.2 , cone type (2)
Woofer: 10 cm (4 in.) dia., 4 , cone type (1)
Outputs
Headphones jack (stereo minijack)
For 16 - 68 impedance headphones
Power output
4 W + 4 W (at 3.2 , 10% harmonic distortion
in DC operation)
Woofer:
12 W (at 4 , 10 % harmonic distortion in DC
operation)
Ver 1.0 2004. 07
9-879-113-01
2004G04-1
© 2004. 07
E Model
CD
Model Name Using Similar Mechanism CFD-G500
Section
CD Mechanism Type KSM-213RDP
Optical Pick-up Name KSS-213R
TC
Model Name Using Similar Mechanism CFD-G500
Section
Tape Transport Mechanism Type MF-G500
– Continued on next page –
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
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Sony CFD-G550CP Specifications

General IconGeneral
CD PlaybackYes
Supported DiscsCD, CD-R, CD-RW
Radio TunerAM/FM
Cassette PlayerYes
Cassette DeckSingle
Power SupplyAC 120V, 60Hz
Media TypeCD, Cassette
Power SourceAC and Battery
Frequency Response20 Hz - 20 kHz
Output Power6W (3W + 3W)

Summary

Service Manual

Specifications

Technical details for CD, radio, and cassette sections, including frequency responses, power output, and dimensions.

Cautions and Handling Notes

General Safety and Repair Precautions

Covers cautions on radiation, circuit board repair, chip components, and laser diode handling.

Technical Information

Unleaded Solder Handling

Details on the characteristics and usage of unleaded solder for repairs.

Servicing Notes

Repair Procedures and Checks

Instructions for using repair jigs and performing laser diode/focus search checks.

General Information and Operations

Basic Operations: CD and MP3 Playback

Guide to playing audio CDs and MP3 files, with notes on folder structure and playback.

Core Functions

Radio Listening and Tape Playback

Instructions for tuning radio stations and playing cassette tapes.

Recording and CD Navigation

Tape Recording and CD Information Display

Steps for recording to tape and understanding CD playback information on the display.

Locating Specific Tracks on CD

Methods for quickly finding tracks or points within tracks on a CD.

Disassembly Overview

Disassembly Procedure Flowchart

A visual flowchart outlining the sequence for disassembling the unit.

Cabinet Disassembly Steps

Upper Cabinet Sections (1 & 2)

Detailed steps for removing the upper sections of the unit's cabinet.

Front Panel and Board Removal

Front Cabinet and Control Boards

Instructions for disassembling the front cabinet and removing control boards.

Board Disassembly Procedures

LCD, Power, and Trans Boards

Steps for removing the LCD, Power, and Trans boards.

Further Board Disassembly

Control 1, H/P, and TU Boards

Procedures for removing the Control 1, H/P, and TU boards.

Main Board and CD Section Removal

Main Board and CD Block

Steps for disassembling the main board and the CD block.

Key Component Removal

Optical Pick-up and Tape Mechanism

Instructions for removing the optical pick-up and tape mechanism deck.

Final Disassembly and Belts

TC Board and Belts

Steps for removing the TC board and details on main/sub belt replacement.

Adjustments

Mechanical and Tape Speed Adjustments

Procedures for mechanical adjustments, torque measurement, and tape speed calibration.

Tuner Section Electrical Adjustments

AM/FM Tuning and Alignment

Detailed procedures for adjusting AM/FM IF, frequency coverage, and tracking.

Measurement Setup for Adjustments

Guidance on connecting level meters and voltmeters for calibration.

CD Section Adjustments

Focus Bias Check Procedure

Steps to perform a focus bias check using an oscilloscope and interpret waveforms.

Diagrams and Schematics

CD Section Block Diagram

Block diagram illustrating the signal flow and components within the CD section.

System Diagrams

Main Section Block Diagram

Block diagram showing the overall functional blocks and signal paths of the main unit.

Diagram Interpretation and Locations

Diagram Conventions, Waveforms, and Board Locations

Notes on diagram symbols, waveform examples, and physical locations of circuit boards.

Printed Wiring Board Layouts

CD Section PWB (Side A & B)

Printed wiring board layout for the CD section, detailing component placement.

Circuit Schematics

CD Section Schematic Diagram

Detailed schematic diagram of the CD section's electronic circuitry.

Component Layout Diagrams

Tuner Section Printed Wiring Board

Printed wiring board layout for the tuner section, showing component placement.

Circuit Schematics (Tuner)

Tuner Section Schematic Diagram

Detailed schematic diagram of the tuner section's electronic circuitry.

Main Section Schematics (Part 1)

Main Section Schematic (1/2)

Detailed schematic diagram for the first half of the main section.

Main Section Schematics (Part 2)

Main Section Schematic (2/2)

Detailed schematic diagram for the second half of the main section.

Main Section Board Layouts

Main Section Printed Wiring Boards

Printed wiring board layouts for the main section, including H/P and TC boards.

TC Section Board Layout

TC Section Printed Wiring Board

Printed wiring board layout for the TC section.

TC Section Circuit Schematic

TC Section Schematic Diagram

Detailed schematic diagram of the TC section's electronic circuitry.

Control Circuitry Schematics

Control, LCD, and Volume Board Schematics

Detailed schematics for the control, LCD, and volume boards.

Control Section Board Layouts

Control, LCD, and Volume Board PWBs

Printed wiring board layouts for the control, LCD, and volume boards.

Power Section Board Layouts

Power and Trans Board PWBs

Printed wiring board layouts for the power supply and transformer sections.

Power Section Circuit Schematics

Power and Trans Board Schematics

Detailed schematics for the power supply and transformer sections.

Integrated Circuit Block Diagrams

IC701 CD/MP3 Board Block Diagram

Internal functional block diagram for IC701 on the CD/MP3 board.

Key IC Block Diagrams

IC702 (CD/MP3), IC1 & IC2 (TU Board) Block Diagrams

Internal block diagrams for IC702, IC1, and IC2 on their respective boards.

More IC Block Diagrams

IC321 (Main) and IC301 (TC Board) Block Diagrams

Internal block diagrams for IC321 (Main board) and IC301 (TC board).

IC Pin Descriptions (Part 1)

IC1001 CD/MP3 Board Pinout

Detailed pin descriptions for IC1001 on the CD/MP3 board.

IC Pin Descriptions (Part 2)

IC1001 CD/MP3 Board Pinout Continued

Continued pin descriptions for IC1001, covering pins 71-80.

IC Pin Descriptions (System Control)

IC801 Main Board (2/2) Pinout

Detailed pin descriptions for IC801, the system controller on the Main board.

IC Pin Descriptions (System Control Continued)

IC801 Main Board Pinout Continued

Continued pin descriptions for IC801, covering pins 57-100.

Exploded Views Overview

Overall Unit Exploded View

Exploded view of the entire unit, showing major assemblies and parts.

Cabinet Exploded Views

Front Cabinet Section Exploded View

Exploded view detailing the parts of the front cabinet section.

Rear Cabinet Exploded View

Cabinet Rear Section Exploded View

Exploded view detailing the parts of the rear cabinet section.

Upper Cabinet Exploded Views (Part 1)

Upper Cabinet Section (1) Exploded View

Exploded view detailing the parts of the first upper cabinet section.

Upper Cabinet Exploded Views (Part 2)

Upper Cabinet Section (2) Exploded View

Exploded view detailing the parts of the second upper cabinet section.

Tape Mechanism Exploded View

Tape Mechanism Section Parts

Exploded view showing the components and parts of the tape mechanism.

CD Mechanism Exploded View

CD Mechanism Section Parts

Exploded view showing the components and parts of the CD mechanism.

Parts Lists

Electrical Parts List (Capacitors)

List of electrical components, focusing on capacitors for various boards.

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