Sony HCD-MG310AV User Manual

SERVICE MANUAL
9-873-800-13 Sony Corporation
2002E0500-1 Home Audio Company
C 2002.05 Published by Sony Engineering Corporation
Ver 1.2 2002.05
MINI Hi-Fi COMPONENT SYSTEM
MHC-MG110/MG310AV
US Model
Canadian Model
MHC-MG110/MG310AV
Mexican Model
MHC-MG110
Australian Model
MHC-MG310AV
• MHC-MG110/MG310AV are composed of following models.
As for the service manual, it is issued for each component model, then, please refer to it.
SPECIFICATIONS
Power requirements
North American model: 120 V AC,60 Hz
Australian model: 220 – 240 V AC,
50/60 Hz
Power consumption
North American model
MHC-MG310AV: 200 watts
MHC-MG110: 150 watts
Australian model
MHC-MG310AV: 200 watts
Dimensions (w/h/d) incl. projecting parts and controls
Approx. 280 × 383 × 480 mm
Mass
MHC-MG310AV: Approx. 11.3 kg
MHC-MG110: Approx. 10.9 kg
Supplied accessories: Remote commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Rear speaker cords
(MHC-MG310AV only) (2)
Center speaker pads
(attached to the backside of the center
speaker)
(MHC-MG310AV only) (2)
Video cable (Australian model only) (1)
Design and specifications are subject to change without notice.
PARTS LIST
COMPONENT MODEL NAME
MHC-MG110 MHC-MG310AV
COMPACT DISC DECK RECEIVER SYSTEM HCD-MG110 HCD-MG310AV
FRONT SPEAKER SS-MG110 SS-MG510AV
CENTER SPEAKER SS-CT360
REAR SPEAKER SS-RS360
1-476-631-11 REMOTE COMMANDER (RM-SMG5AV) (MG310AV)
1-476-632-11 REMOTE COMMANDER (RM-SMG1) (MG110)
1-501-659-71 ANTENNA (FM) (MG110/MG310AV: US, Canadian)
1-754-060-11 ANTENNA (FM) (Australian)
1-754-102-21 ANTENNA, LOOP (LW.MW)
1-769-433-11 CORD, SPEAKER (10m) (for SS-RS360)
1-823-258-11 CORD, CONNECTION (VIDEO CABLE) (Australian)
4-228-953-01 COVER, BATTERY (for RM-SMG1/SMG5AV)
4-233-902-12 MANUAL, INSTRUCTION (ENGLISH)
4-233-902-22 MANUAL, INSTRUCTION (FRENCH) (Canadian)
4-233-902-31 MANUAL, INSTRUCTION (SPANISH) (Mexican)
Part No. Description Remark

Sony HCD-MG310AV Specifications

General

Total Power Output	200 W
Audio Channels	2.0
CD Player	Yes
Tuner	FM/AM
USB Port	Yes
Bluetooth	No
Cassette Deck	Yes
Type	Mini System
Speakers	2
Functions	CD, Radio, USB

Summary

Introduction and System Overview

Model Identification and Component Names

Identifies system models and component names for MHC-MG110/MG310AV.

System Specifications

Amplifier and CD Player Specifications

Details amplifier power output and CD player section specifications.

System Specifications (Continued)

Tape, Tuner, and General Specifications

Covers tape player, tuner, general system specs, dimensions, and mass.

Safety and Precautions

Component Handling and Safety Tests

Guidelines for component replacement, repair, leakage tests, and laser safety.

Servicing Notes

Test Disc and Optical Pick-up Cleaning

Instructions for using test discs and cleaning the optical pick-up lens.

Main Unit Overview

Parts Identification and Button Layout

Identifies main unit parts and describes button functions on the unit.

Remote Control and System Settings

Remote Control Functions and Time Setting

Explains remote control use and procedure for setting the system time.

Disassembly Procedures

Disassembly Flowchart

Outlines the sequential order for disassembling the unit.

Disassembly Procedures (Continued)

Upper Cover and Front Block Removal

Details steps for removing the upper cover and front block assembly.

Disassembly Procedures (Continued)

Board and Panel Removal

Covers main board, back panel, and DC fan removal procedures.

Disassembly Procedures (Continued)

Component Assembly Disassembly

Explains removal of AMP, power boards, and middle/power brackets.

Disassembly Procedures (Continued)

Mechanism and Base Unit Disassembly

Details CD mechanism deck and base unit removal steps.

Disassembly Procedures (Continued)

Holder, Motor, and CD Board Removal

Covers BU holder, motor gear, and CD board removal steps.

Disassembly Procedures (Continued)

OP Base Assembly and Cassette Lid Removal

Outlines OP base assembly and cassette lid assembly removal.

Disassembly Procedures (Continued)

Tape Mechanism Deck Disassembly

Details the process for disassembling the tape mechanism deck.

Test Modes

Test Procedures

Details procedures for cold reset, AM tuning, CD delivery mode, and key/indicator tests.

Mechanical Adjustments

Tape Mechanism Adjustments

Covers tape mechanism precautions, torque measurement, and test tapes.

Mechanical Adjustments (Continued)

Head Azimuth and Tape Speed Adjustments

Explains head azimuth adjustment and tape speed check procedures.

CD Section Checks

CD Section Notes and Level Checks

Covers notes, S curve, RFAC, and RFDC level checks.

CD Section Checks (Continued)

E-F Balance Check and Traverse Waveform

Details E-F balance check and traverse waveform analysis for CD servo.

Diagrams

CD Servo Block Diagram

Illustrates the block diagram for the CD servo system.

Diagrams (Continued)

Tuner/Tape Deck Block Diagram

Shows the block diagram for the tuner and tape deck sections.

Diagrams (Continued)

Surround Section Block Diagram

Illustrates the block diagram for the surround sound section.

Diagrams (Continued)

Amplifier Section Block Diagram

Depicts the block diagram for the amplifier section.

Diagrams (Continued)

Display/Power Supply Block Diagram

Shows the block diagram for the display and power supply circuits.

Diagrams (Continued)

Diagram Notes and Board Locations

Provides notes on diagram conventions and lists circuit board locations.

Diagrams (Continued)

CD Board IC Block Diagrams

Shows the block diagrams for key ICs on the CD board.

Schematic and Printed Wiring Board Diagrams

CD Section Schematic Diagram

Presents the detailed schematic for the CD section.

Schematic and Printed Wiring Board Diagrams (Continued)

CD Section Printed Wiring Board

Shows the layout of components on the CD section's PWB.

Schematic and Printed Wiring Board Diagrams (Continued)

CD Motor/Sensor Section PWBs

Displays PWBs for CD motor and sensor components.

Schematic and Printed Wiring Board Diagrams (Continued)

CD Motor/Sensor Section Schematic

Presents the schematic for CD motor and sensor circuits.

Schematic and Printed Wiring Board Diagrams (Continued)

TC Section Printed Wiring Board

Shows the component layout for the TC section's PWB.

Schematic and Printed Wiring Board Diagrams (Continued)

TC Section Schematic Diagram

Presents the schematic diagram for the TC section.

Schematic and Printed Wiring Board Diagrams (Continued)

MAIN Section Schematic Diagram (1/4)

Provides the first part of the MAIN section schematic diagram.

Schematic and Printed Wiring Board Diagrams (Continued)

MAIN Section Schematic Diagram (2/4)

Presents the second part of the MAIN section schematic diagram.

Schematic and Printed Wiring Board Diagrams (Continued)

MAIN Section Schematic Diagram (3/4)

Shows the third part of the MAIN section schematic diagram.

Schematic and Printed Wiring Board Diagrams (Continued)

MAIN Section Schematic Diagram (4/4)

Provides the final part of the MAIN section schematic diagram.

Schematic and Printed Wiring Board Diagrams (Continued)

MAIN Section Printed Wiring Board

Displays the component layout for the MAIN section's PWB.

Schematic and Printed Wiring Board Diagrams (Continued)

Display Section Printed Wiring Boards

Shows PWBs for the display section components.

Schematic and Printed Wiring Board Diagrams (Continued)

Display Section Schematic Diagram

Presents the schematic for the display section.

Schematic and Printed Wiring Board Diagrams (Continued)

Control Section Printed Wiring Board

Displays the PWB layout for the control section.

Schematic and Printed Wiring Board Diagrams (Continued)

Control Section Schematic Diagram

Presents the schematic for the control section.

Schematic and Printed Wiring Board Diagrams (Continued)

Power Section Printed Wiring Boards

Shows PWBs for the power supply section.

Schematic and Printed Wiring Board Diagrams (Continued)

Power Section Schematic Diagram

Presents the schematic for the power supply section.

Component Locations and Pin Descriptions

Semiconductor Locations

Lists the locations of semiconductors on various component boards.

IC Pin Function Descriptions

IC101 Pin Function Description

Details the pin functions for IC101 (CXD3017Q) on the CD board.

IC Pin Function Descriptions (Continued)

IC801 Pin Function Description

Details the pin functions for IC801 (System Controller) on the main board.

Exploded Views

General Section Exploded View

Shows an exploded view of the general section and its components.

Exploded Views (Continued)

Front Panel Section Exploded View

Displays an exploded view of the front panel section.

Exploded Views (Continued)

Chassis Section Exploded View

Illustrates an exploded view of the chassis section.

Exploded Views (Continued)

Mechanism Deck and Base Unit Exploded Views

Shows exploded views for mechanism deck and base unit assemblies.

Electrical Parts List

Component Parts Lists

Lists part numbers for capacitors, connectors, diodes, ICs, transistors, and resistors.

Speaker System Specifications

SS-MG110/MG510AV Specifications and Parts

Lists specifications and parts for the SS-MG110/MG510AV speaker systems.