Sony HCD-GX9900 User Manual

MHC-GNX60/GNX70/GX9900
US Model
MHC-GX9900
E Model
Australian Model
MHC-GNX60/GNX70
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
9-879-543-01
2005C02-1
© 2005.03
SPECIFICATIONS
Ver. 1.0 2005.03
• MHC-GNX60/GNX70/GX9900 are composed of following models.
As for the service manual, it is issued for each component model, then, please refer to it.
COMPONENT MODEL NAME
General
Power requirements
US model: 120 V AC, 60 Hz
Australian model: 230 – 240 V AC, 50/60 Hz
Argentina models: 220 V AC, 50/60 Hz
Other models: 120 V, 220 V or 230 –
240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
MHC-GNX60 200 watts
MHC-GNX70 225 watts
MHC-GX9900 250 watts
Dimensions (w/h/d) (Approx.)
280 x 360 x 398.5 mm
Mass (Approx.)
MHC-GNX60 11.3 kg
MHC-GNX70 12.1 kg
MHC-GX9900 11.8 kg
Supplied accessories: Remote Commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Front speaker pads (8)
Surround speaker pads (8)
(MHC-GNX70/GX9900)
Design and specifications are subject to change without notice.
PARTS LIST
Ref. No. Part No. Description Remarks
ACCESSORIES
************
1-478-518-21 COMMANDER, STANDARD (RM-SC3)
1-501-374-12 ANTENNA, LOOP (AM)
1-793-184-23 CONNECTOR (F TYPE ADAPTOR) (FM)
2-547-453-11 MANUAL, INSTRUCTION (ENGLISH)
2-547-453-21 MANUAL, INSTRUCTION (FRENCH) (E2, E3)
2-547-453-31 MANUAL, INSTRUCTION (SPANISH) (E2, E51, AR)
4-210-254-02 CUSHION (FOOT) (7mm, 8pcs) (for SPEAKER)
•Abbreviation
E2 : 120 V AC Area in E model
E3 : 240 V AC Area in E model
E51 : Chilean and Peruvian model
AR : Argentina model
MHC-GNX60 MHC-GNX70 MHX-GX9900
COMPACT DISC DECK RECEIVER SYSTEM HCD-GNX60 HCD-GNX70 HCD-GX9900
SPEAKER SS-GNX70RS FRONT SPEAKER SS-GNX60 SS-GNX100 SS-GNX100
SYSTEM (MHC-GNX70) SURROUND SPEAKER SS-RSX80 SS-RSX80

Sony HCD-GX9900 Specifications

General

Type	Mini Hi-Fi Component System
Audio Channels	2.0
CD Player	Yes
Tuner	FM/AM
Bluetooth	No
USB Port	No
Cassette Deck	Yes
Remote Control	Yes
Weight Main Unit	5.5 kg

Summary

Revision History

System Specifications

Audio Power and General Specs

Details on audio power, consumption, dimensions, and mass for the system.

Safety Check-out Procedures

AC Leakage Testing

Procedure for measuring AC leakage current from exposed metal parts.

Component Replacement Notes

Guidelines for chip component replacement and flexible circuit board repair.

Servicing Notes

Optical Block and Laser Handling

Precautions for handling optical pick-up blocks and laser diodes.

Laser Diode Emission Check

Procedure for checking laser diode emission and focus search operation.

General Controls Overview

Unit Control Layout

Diagrams illustrating controls on the main unit, top, and front panels.

Remote Control Functions

Disassembly Procedures

Disassembly Flow Chart

Step-by-step guide for disassembling the main unit.

Test Modes

System Test Modes (GC, MC, Cold Reset)

Guides for GC, MC, and Cold Reset modes for system checks.

Mechanical Adjustments

Torque Measurement

Specifications for torque measurements during mechanical adjustments.

CD Section Technical Procedures

S-curve Check

Procedure for checking CD section S-curve waveform symmetry.

Diagrams and Schematics

Circuit Board Locations and Block Diagrams

Diagrams showing board locations and signal flow block diagrams.

Printed Wiring Boards and Schematics

Layouts of printed wiring boards and detailed schematic diagrams.

Waveforms and IC Pin Functions

CD Section Waveforms

Visual representations of key waveforms for CD section analysis.

IC Pin Function Descriptions

Detailed pin function descriptions for critical ICs.

Exploded Views

Main Unit Exploded Views

Exploded views of the main unit's case, panels, and chassis components.

Mechanism and Speaker Component Views

Exploded views of front panel, CD mechanism, and speaker assemblies.

Electrical Parts List

Component Listings

Comprehensive list of capacitors, resistors, semiconductors, and connectors.

Speaker System Information

Speaker System Revision History

Revision history for the speaker system manuals.

Speaker System Specifications

Technical specifications for SS-RSX80 and SS-RSX100 speaker systems.

GNX Series Speaker Specifications

Technical specifications for GNX60/GNX66/GNX88/GNX100 speaker systems.

Speaker System Exploded Views

SS-RSX Series Exploded Views

Exploded views for SS-RSX80 and SS-RSX100 speaker systems.

GNX Series Speaker Exploded Views

Exploded views for GNX60/GNX66/GNX88/GNX100 speaker systems.