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SERVICE MANUAL
COMPACT DISC
STEREO SYSTEM
SYSTEM
XS–G3(U,LH)
XS–G3(EZ,K)
XS–G4(EZ)
XS–G5(EZ)
XS–G5(K)
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XS-G3 (U,LH,EZ,K) / XS-G4 (EZ) / XS-G5 (EZ,K), (S/M Code No. 09-012-441-5T1).
• If requiring information about the CD mechanisim, see Service Manual of BZG-5,
(S/M Code No. 09-00C-353-3N2)
XS-G3
XS-G4
XS-G5
BASIC TAPE MECHANISM : BZM-1 R1NM
BASIC CD MECHANISM : BZG-5 ZD3NM
CD
SPEAKER
CASSEIVER
CX–G3
SX–G3
CX–G3
SX–G3
CX–G4
SX–G4
CX–G5
SX–G5
CX–G5
SX–G5
S/M Code No. 09-013-441-5R1
U,LH,EZ,K
EZ
EZ,K
REMOTE
CONTROLLER
RC–BAS11
RC–BAS03
RC–BAS11
RC–BAS11
RC–BAS03
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Table of Contents
Related Manuals for Aiwa XS-G5 EZ
Summarization of Contents
Service Manual Introduction
Supported Product Models
Lists the specific Aiwa Hi-Fi models covered by this manual.
Product Specifications
Tuner and Amplifier Specifications
Technical specifications for tuner and amplifier sections.
CD Player, Speaker, and General Specs
Specifications for CD player, speakers, and general unit features.
Laser Safety During Servicing
Eye Protection and Precautions
Guidelines for protecting eyes from laser radiation during servicing.
Optical Block Replacement Safety
Precautions for replacing the optical block.
Pre-Repair Procedures and Checks
Power Supply Capacitor Discharge
Procedure to safely discharge power supply capacitors before repair.
Microcomputer Exchange Diagnostics
Checks to perform before exchanging the microcomputer.
Microcomputer Troubleshooting
Forced Microcomputer Reset
Steps for performing a forced reset of the microcomputer.
Microcomputer Soldering Verification
Confirmation of the microcomputer's soldering state.
Disassembly Instructions - Exterior Panels
Panel and Screw Removal Procedures
Steps for removing exterior panels and associated screws.
Disassembly Instructions - Internal Components
Rear Cabinet and Cable Disconnection
Removing the rear cabinet and disconnecting internal cables.
Main Board Removal
Instructions for removing the main printed wiring board.
Disassembly Instructions - Mechanism Deck
Display and Mechanism Deck Removal
Steps to remove the display and mechanism deck assemblies.
Window Holder Removal
Instructions for removing the window holder.
Mechanism Component Removal - BZM-1
BZM-1 Unit Removal Procedure
Steps to remove the BZM-1 unit.
Mechanism Assembly Instructions
BZM-1 Installation and Alignment
Install BZM-1 and align gears for proper operation.
Window Holder and Mech Assy Alignment
Align window holder with mechanism assembly height.
Phase Alignment Procedures
Gear Relay Adjustment and Greasing
Adjust gear relay and apply grease for phase alignment.
Electrical Parts List - Core Components
IC, Transistor, and Diode Components
Lists of integrated circuits, transistors, and diodes.
Main Circuit Board Components
List of components for the main circuit board.
Electrical Parts List - Capacitors
Capacitor Component Details
Detailed list of capacitor components.
Electrical Parts List - Coils, Resistors, Front C.B
Coil and Resistor Components
Lists of coil and resistor components.
Front Circuit Board Components
List of components for the front circuit board.
Electrical Parts List - Switches, Connectors, Jacks
Switch, Connector, and Jack Components
Lists of switch, connector, and jack components.
Technical Diagrams and Information
Chip Resistor Coding Standard
Explanation of chip resistor part coding.
Transistor Illustrations
Visual representations of various transistors.
Wiring Diagrams - Main and Jack Boards
Main Circuit Board Wiring Connections
Wiring connections for the main circuit board.
Jack Circuit Board Wiring Connections
Wiring connections for the jack circuit board.
Schematic Diagram - Amplifier and Head Sections
Amplifier Section Circuit Schematic
Circuit diagram for the amplifier section.
Schematic Diagram - Tuner Section
Tuner Section Circuit Schematic
Circuit diagram for the tuner section.
Wiring Diagrams - Main, Jack, and Fan
Main C.B Wiring for U/LH Models
Wiring for main C.B for U, LH models.
Fan C.B Wiring
Wiring connections for the fan circuit board.
Schematic Diagrams - Amplifier/Head (U,LH Models)
Amplifier Section Circuit Details (U,LH)
Circuit details for amplifier section (U,LH models).
Schematic Diagrams - Tuner Section (U,LH Models)
Tuner Section Circuit Details (U,LH)
Circuit details for tuner section (U,LH models).
Schematic Diagram - Jack Circuit
Jack Circuit Details and Connections
Schematic details for the jack circuit.
Wiring Diagram - Front Circuit Board
Front C.B Layout and Wiring
Wiring layout for the front circuit board.
Wiring Diagram - Front Circuit Board Continuation
Front PCB Component Wiring Details
Wiring details for components on the front PCB.
Wiring Diagrams - Top, Motor, Mic, Key Boards
Top C.B Wiring
Wiring connections for the top circuit board.
Motor C.B Wiring
Wiring connections for the motor circuit board.
Microphone C.B Wiring
Wiring connections for the microphone circuit board.
Key C.B Wiring
Wiring connections for the key circuit board.
Schematic Diagrams - Various Circuit Boards
Front, Top, Motor, Mic, Deck Schematics
Schematics for front, top, motor, mic, and deck circuit boards.
Wiring Diagram - Power Transformer (U, EZ, K)
PT Board Wiring (U, EZ, K Models)
Wiring diagram for the PT board for U, EZ, K models.
Schematic Diagram - Power Transformer (U Model)
Power Transformer Circuit (U Model)
Schematic of the power transformer circuit for U model.
Schematic Diagram - Power Transformer (EZ, K Models)
Power Transformer Circuit (EZ, K Models)
Schematic of the power transformer circuit for EZ, K models.
Wiring Diagram - Power Transformer (LH Model)
PT Board Wiring (LH Model)
Wiring diagram for the PT board for LH model.
Schematic Diagram - Power Transformer (LH Model)
Power Transformer Circuit (LH Model)
Circuit schematic for the power transformer for LH model.
Wiring Diagrams - Deck and Head
Deck Circuit Board Wiring
Wiring connections for the deck circuit board.
Head Circuit Board Wiring
Wiring connections for the head circuit board.
IC Block Diagrams
LC72131D-N IC Block Diagram
Block diagram of IC LC72131D-N.
M61503FP IC Block Diagram
Block diagram of IC M61503FP.
LCD Display Information
LCD Display Segment Layout
Layout and numbering of LCD display segments.
Segment Wiring Details
Wiring diagram for LCD segments.
IC Pin Descriptions
IC LC877256A-5V18 Pinout and Functions
Pin description for IC LC877256A-5V18.
IC Pin Descriptions - Continued
IC LC877264V-5V24 Pinout and Functions
Pin description for IC LC877264V-5V24.
Adjustment Procedures
Tuner Section Adjustments
Procedures for adjusting tuner settings.
Deck Section Adjustments
Procedures for adjusting tape deck functions.
Front Section Adjustments
Procedures for adjusting front panel controls.
CD Test Mode Operations
Starting and Exiting CD Test Mode
How to enter and exit the CD test mode.
CD Test Mode Function Descriptions
Descriptions and applications of CD test modes.
Displaying Automatic Adjustment Results
Focus Adjustment Result Display
How to display focus offset and gain adjustment results.
Tracking Adjustment Result Display
How to display tracking offset, balance, and gain results.
Mechanical Exploded View - U,LH,K Models
Mechanical Part Identification (U,LH,K Models)
Exploded view of mechanical parts for U,LH,K models.
Mechanical Parts List - U,LH,K Models
U,LH,K Model Component Details
Detailed list of mechanical components for U,LH,K models.
Mechanical Exploded View - EZ Model
EZ Model Mechanical Part Identification
Exploded view of mechanical parts for EZ model.
Mechanical Parts List - EZ Model
EZ Model Component Details
Detailed list of mechanical components for EZ model.
Tape Mechanism Exploded View
Tape Mechanism Part Identification
Exploded view of the tape mechanism parts.
Tape Mechanism Parts List
Tape Mechanism Component Details
Detailed list of tape mechanism parts.
Speaker Disassembly Instructions
Speaker Unit Removal Procedures
Instructions for removing speaker units.
Speaker Front Panel Handling
Procedures for removing and attaching the speaker front panel.
Speaker and Accessory Parts Lists
Speaker Parts List (SX-G3/SX-G4)
Parts list for SX-G3 and SX-G4 speakers.
Speaker Parts List (SX-G5)
Parts list for SX-G5 speaker.
Accessories and Package List
List of accessories and package items.
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