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HCD-GNX88
E Model
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
9-879-461-01
2005B02-1
© 2005.02
SPECIFICATIONS
– Continued on next page –
• HCD-GNX88 is the Amplifier,
CD player, tape deck and tuner
section in MHC-GNX88.
Model Name Using Similar Mechanism
NEW
CD
CD Mechanism Type
CDM74-F1BD84
Section
Base Unit Name
BU-F1BD84
Optical Pick-up Name
KSM-215DCP/C2NP
TAPE
Model Name Using Similar Mechanism
NEW
Section
Tape Transport Mechanism Type
CMAT5Z2
The following are measured at
AC 127 V, 60 Hz
DIN power output (rated)
180 + 180 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
225 + 225 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
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
FRONT SPEAKER:
Use only the supplied speaker
• SS-GNX88
SURROUND SPEAKER:
Use only the supplied speaker
• SS-RSX80
SUBWOOFER OUT:
Use only the supplied subwoofer
• SS-WGV88
Disc player section
System
Compact disc and digital audio system
Laser
Semiconductor laser
(
λ
=780 nm)
Emission duration: continuous
Laser Output
Max. 44.6
µ
W*
*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)
Wave length
660 nm
Output Level
–18 dBm