SERVICE MANUAL
Ver 1.1 2002.06
amplifier section in MHC-GR8/RX90.
*
Dolby noise reduction manufactured
under license from Dolby Laboratories
Licensing corporation.
"DOLBY" and the double-D symbol a
are trademarks of Dolby Laboratories
Licensing Corporation.
Amplifier section
DIN power output (RX90)
80+80 watts
(8 ohms, at 1kHz, DIN)
Continuous RMS power output
RX90:
100+100 watts
(8ohms at 1kHz, 10% THD)
GR8:
90+90 watts
(8ohms at 1kHz, 10% THD)
Peak music power output
GR8:
1500 watts
Music power output
RX90:
160+160 watts
(8ohms at 1kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jacks):
voltage 250 mV, impedance
47 kilohms MIX MIC (phone
jack): sensitivity 1 mV,
impedance 10 kilohms
Outputs
VIDEO/MD OUT (phone
jacks): voltage 250 mV
impedance 1 kilohms
PHONES (stereo phone jack):
accepts headphones of 8 ohms
or more.
SPEAKER:
accepts impedance of 8 to 16
ohms
Sony Corporation
9-960-881-12
2002F0500-1
Home Audio Company
C 2002.06
Published by Sony Engineering Corporation
HCD-GR8/RX90
Photo: HCD-RX90
CD
Section
Tape deck
Section
SPECIFICATIONS
SURROUND SPEAKER:
accepts impedance of 16
ohms.
SUPER WOOFER:
Voltage 1 V, impedance 1 kilo
ohm
CD player section
System
Compact disc and digital
audio system
Laser
Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Laser output
Max. 44.6 µW*
*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)
Wavelength
780 – 790 nm
MINI Hi-Fi COMPONENT SYSTEM
Australian Model
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Signal-to-noise ratio More than 90 dB
Dynamic range
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
Output Level
Tape player section
Recording system
Frequency response 60 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I casstte
Wow and flutter
AEP Model
UK Model
HCD-RX90
E Model
Tourist Model
HCD-GR8
HCD-GR7/RX70
CDM38L-5BD29AL
BU-5BD29AL
KSS-213D/Q-NP
HCD-H881
TCM-220WR2
More than 90 dB
600 nm
–18 dBm
4-track 2-channel stereo
60 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
– Continued on next page –