Sony HCD-GNX88 Service Manual

SERVICE MANUAL
Ver.1.0 2005. 02
• HCD-GNX88 is the Amplifier,
CD player, tape deck and tuner
section in MHC-GNX88.
The following are measured at
DIN power output (rated)
Continuous RMS power output (reference)
Inputs
VIDEO/MD (AUDIO) IN (phono jacks):
TV (AUDIO) IN (phono jack):
MIC (phone jack):
Outputs
VIDEO OUT (phono jack):
PHONES (stereo mini jack):
FRONT SPEAKER:
SURROUND SPEAKER:
SUBWOOFER OUT:
Sony Corporation
9-879-461-01
Audio Group
2005B02-1
Published by Sony Engineering Corporation
© 2005.02
HCD-GNX88
CD
Section
TAPE
Section
SPECIFICATIONS
AC 127 V, 60 Hz
180 + 180 watts
(6 ohms at 1 kHz, DIN)
225 + 225 watts
(6 ohms at 1 kHz, 10% THD)
voltage 250/450 mV,
impedance 47 kiloohms
voltage 250 mV,
impedance 47 kiloohms
sensitivity 1 mV,
impedance 10 kiloohms
max. output level 1 Vp-p,
unbalanced, Sync negative,
load impedance 75 ohms
accepts headphones of 8 ohms or more
Use only the supplied speaker
• SS-GNX88
Use only the supplied speaker
• SS-RSX80
Use only the supplied subwoofer
• SS-WGV88
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Disc player section
System Compact disc and digital audio system
Laser Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser Output
*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
MiNi Hi-Fi COMPONENT SYSTEM
E Model
NEW
CDM74-F1BD84
BU-F1BD84
KSM-215DCP/C2NP
NEW
CMAT5Z2
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