Sony HCD-GNX60 User Manual

HCD-GNX60/GNX70/
GX9900
US Model
HCD-GX9900
E Model
Australian Model
HCD-GNX60/GNX70
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
SPECIFICATIONS
Ver. 1.1 2006.06
– Continued on next page –
• HCD-GNX60/GNX70/GX9900 are the Amplifier,
CD player, tape deck and tuner
section in MHC-GNX60/GNX70/GX9900.
Model Name Using Similar Mechanism HCD-GN880
CD CD Mechanism Type CDM74-F1BD81
Section Base Unit Name BU-F1BD81A
Optical Pick-up Name KSM-215DCP/C2NP
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type CMAT5Z2
AUDIO POWER SPECIFICATION (MHC-GX9900 USA model only)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6-ohm loads, both channels driven, from 120 Hz – 10 kHz; rates 230
watts per channel minimum RMS power, with no more than 10% total
harmonic distortion from 250 miliwatts to rated output.
Amplifier section MHC-GX9900
Total harmonic distortion Less than 0.1%
(6 ohms at 1 kHz, 100 W)
MHC-GNX70
The following are measured at
Mexican model: AC 127 V, 60 Hz
Other models: AC 120, 220, 240 V, 60 Hz
DIN power output (rated) 170 + 170 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
220 + 220 watts (6 ohms at 1 kHz, 10% THD)
MHC-GNX60
The following are measured at
Mexican model: AC 127 V, 60 Hz
Brazil model: AC 127 V or 220 V, 60 Hz
Other models: AC 120, 220, 240 V, 50/60 Hz
DIN power output (rated) 150 + 150 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
200 + 200 watts (6 ohms at 1 kHz,10% THD)
Inputs
VIDEO/MD (AUDIO) IN (phono jacks):
voltage 250/450 mV,
impedance 47 kiloohms
TV (AUDIO) IN (phono jack): voltage 250 mV,
impedance 47 kiloohms
MIC (phone jack): sensitivity 1 mV,
impedance 10 kiloohms
Outputs
PHONES (stereo mini jack): accepts headphones of
8 ohms or more
FRONT SPEAKER: Use only the supplied speaker
• SS-GNX100 (MHC-GNX70/GX9900)
• SS-GNX60 (MHC-GNX60)
SURROUND SPEAKER: Use only the supplied speaker
• SS-RSX80 (MHC-GNX70/GX9900)
Disc player section
System Compact disc and digital audio system
Laser Semiconductor laser (l=780 nm)
Emission duration: continuous
Laser Output Max. 44.6 mW*
*This output is the value measured at a
distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wave length 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
OPTICAL CD DIGITAL OUT (Square optical connector jack, rear panel)
(For MHC-GNX60/GNX70)
Wave length 660 nm
Output Level –18 dBm
Photo : HCD-GNX70
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
9-879-532-02
2006F02-1
© 2006.06
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony HCD-GNX60 Specifications

General

Brand	Sony
Model	HCD-GNX60
Category	Stereo System
Language	English

Summary

Safety Check-out

Leakage

Checks for AC leakage current from exposed metal parts to ground.

Servicing Notes

General

Locating the Controls

Identifies button locations on the main unit, front panel, and top panel.

Remote Control

Lists functions and button mappings for the remote control.

Disassembly

Disassembly Flow

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

Side Panel, Top Case

Details the removal of side panels and the top case.

Front Panel Assy

Describes the procedure for removing the front panel assembly.

CD Mechanism Deck

Outlines the procedure for removing the CD mechanism deck.

Primary Board

Describes the removal of the primary board.

Motor (LD) Board

Explains the removal of the motor (LD) board.

Test Mode

GC Test Mode

Checks indicator tube, LEDs, keys, volume jog, operation dial, AMS jog.

MC Test Mode

Checks operations of Amplifier, Tuner, and Tape sections.

Cold Reset

Clears all data including preset data to initial conditions.

VACS ON/OFF

Switches VACS (Variable Attenuation Control System) ON and OFF.

Aging Mode

Checks CD section operation for an extended period.

CD Ship Mode (With Memory Clear)

Moves optical pick-up for vibration durability and clears preset data.

Remote Commander Disable Mode

Disables the set's response to remote commander signals.

Mechanical Adjustments

Electrical Adjustments

Record/Playback Head Azimuth Adjust-ment

Adjusts the playback head azimuth for optimal signal output.

CD Section Adjustment

Checks S-curve waveform for CD playback and focus search.

RFAC Level Check

Checks RFAC signal level and waveform clarity.

E-F Balance Check

Checks traverse waveform levels and balance for CD playback.

Diagrams

Circuit Board Location

Illustrates the physical placement of various circuit boards within the unit.

Block Diagram - CD Section

Shows the functional blocks and signal flow of the CD section.

Block Diagram - Tape Section

Illustrates the functional blocks and signal flow of the tape section.

Block Diagram - Main Section

Depicts the functional blocks and signal flow of the main section.

Block Diagram - AMP Section

Shows the functional blocks and signal flow of the amplifier section.

Printed Wiring Board - CD Board

Shows the layout of components and traces on the CD board.

Schematic Diagram - CD Board

Provides the detailed circuit diagram for the CD board.

Printed Wiring Board - Main Board

Shows the layout of components on the main board.

Schematic Diagram - Main Board (1/3)

Detailed circuit diagram for the main board, part 1 of 3.

IC Pin Function Descriptions

Details the function of each pin for critical ICs.

Exploded Views

Case (Top), Rear Panel Section

Exploded view of the unit's top case and rear panel assembly.

Front Panel Section

Exploded view detailing the front panel components and their arrangement.

CD Mechanism Deck Section-1

Exploded view of the CD mechanism deck, part 1.

CD Mechanism Deck Section-2

Exploded view of the CD mechanism deck, part 2.

Electrical Parts List

Revision History