Sony MHC-GNX60 - Service 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

Summary

Service Manual Introduction

Product Specifications

Details technical specifications for the unit.

Servicing Notes

Optical Pick-Up and Laser Diode Handling;Checks

Precautions for handling optical pick-up and guidelines for laser diode checks.

Disassembly Procedures

Disassembly Flow and Panel Removal

Outlines disassembly flow and steps for removing panels and housing.

Test Modes

System Diagnostic and Operational Modes

Covers GC Test, MC Test, Cold Reset, CD Specific, and Operational Modes.

Mechanical Adjustments

Adjustment Precautions and Torque Measurement

Precautions before adjustments and torque measurement specifications.

Electrical Adjustments

Deck and CD Section Adjustments

Adjustments for deck section, CD section, and related checks.

RFAC and E-F Balance Checks

IC Pin Function Descriptions

IC Pin Functions (CD Board)

Details pin functions for IC101 and IC301 on the CD board.

IC Pin Functions (Main Board)

Exploded Views

Major Assembly Exploded Views

Sony MHC-GNX60 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
FM Radio	Yes
USB Playback	Yes
Bluetooth	Yes
Speaker Configuration	2.0
Playable Formats	CD, CD-R/RW, MP3
Tuner	FM/AM
CD Changer	No
NFC	Yes
Speakers	2
Functions	CD Playback, USB Playback, Bluetooth Streaming, FM Radio, NFC