HCD-GNX60/GNX70/
GX9900
US Model
HCD-GX9900
E Model
Australian Model
HCD-GNX60/GNX70
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
SPECIFICATIONS
– 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