HCD-GN660/GN770/
GX9000
US Model
HCD-GX9000
E Model
HCD-GN660/GN770
Australian Model
HCD-GN770
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-800-01
2004D02-1
© 2004.04
SPECIFICATIONS
Ver 1.0 2004. 04
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• HCD-GN660/GN770/GX9000 are the
Amplifier, CD player, tape deck and tuner
section in MHC-GN660/GN770/GX9000.
Model Name Using Similar Mechanism
HCD-GX450
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
CWM43RR35
AUDIO POWER SPECIFICATION
(MHC-GX9000 USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6-ohm loads, both channels driven, from 120 Hz – 10 kHz;
rates 225 watts per channel minimum RMS power, with no more
than 10% total harmonic distortion from 250 miliwatts to rated
output.
Amplifier section
MHC-GX9000
Total harmonic distortion
Less than 0.1%
(6 ohms at 1 kHz, 100 W)
MHC-GN770
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120, 220, 240 V, 50/60 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-GN660
The following are measured at
Mexican model:
AC 127 V, 60 Hz
Other models:
AC 120, 220, 240 V, 50/60 Hz
Photo : GN770
DIN power output (rated)
150 + 150 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
190 + 190 watts
(6 ohms at 1 kHz, 10% THD)
Inputs
VIDEO/MD (AUDIO) IN (phono jacks):
voltage 250/450 mV, impedance 47
kiloohms
GAME (VIDEO) IN (phono jack):
1 Vp-p, 75 ohms
GAME (AUDIO) IN (phono jack):
voltage 250 mV, impedance 47 kiloohms
MIC (phone jack):
sensitivity 1 mV, impedance 10 kiloohms
Outputs
VIDEO OUT (phono jack):
max. output level
1 Vp-p, unbalanced, Sync negative,
load impedance 75 ohms
PHONES (stereo mini jack): accepts headphones of 8 ohms or more
