Specifications - Sony MHC-DX70 Operating Instructions Manual

Tape Deck
The tape does not record.
• The tab has been removed from the cassette (see
"To save a tape permanently" on page 25).
• The tape has reeled to the end.
The tape does not record nor play or there is a
decrease in sound level.
• The heads are dirty. (See "Cleaning the tape
heads" on page 25).
• The record/playback heads are magnetized. (See
"Demagnetizing the tape heads" on page 25).
The tape does not erase completely.
• The record/playback heads are magnetized. (See
"Demagnetizing the tape heads" on page 25).
There is excessive wow or flutter, or the sound
drops out.
• The capstans or pinch rollers are dirty. (See
"Cleaning the tape heads" on page 25).
Noise increases or the high frequencies are erased.
• The record/playback heads are magnetized. (See
"Demagnetizing the tape heads" on page 25).
Tuner
Severe hum or noise ("TUNED" or "STEREO"
flashes in the display).
• Adjust the antenna.
• The signal strength is too weak. Connect the
external antenna.
A stereo FM program cannot be received in stereo.
• Press FM MODE so that "MONO" disappears.
If other troubles not described above
occur, reset the system as follows:
1
Press x, ENTER and ?/1 at the same
time.
2
Unplug the power cord.
3
Plug the power cord back in.
4
Press ?/1 to turn on the power.
The unit is reset to factory settings. All the
settings you made are cleared.
10ADD_MHC-DX70/DX50/RG80.p65 E

Specifications

Amplifier section
MHC-DX70
The following measured at AC 120, 220, 240V
50/60 Hz
DIN power output (rated) 160 + 160 watts
Continuous RMS power output (reference)
MHC-DX50
The following measured at AC 120, 220, 240V
50/60 Hz
DIN power output (rated) 100 + 100 watts
Continuous RMS power output (reference)
MHC-RG80
Continuous RMS power output (reference)
Total harmonic distortion less than 0.07%
Inputs
GAME (VIDEO):
(phono jack)
GAME (AUDIO):
(phono jacks)
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks)
MIC:
(phone jack)
Outputs
VIDEO OUT:
(phono jacks)
PHONES:
(stereo mini jack)
FRONT SPEAKER:
SURROUND SPEAKER: accepts impedance of
(MHC-DX70/
MHC-RG80 only)
CD player section
System
Laser
Laser Output
Frequency response
Wave length
Signal-to-noise ratio
Dynamic range
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wave length
Output Level
27
MHC-DX70/DX50/RG80 4-232-650-13 (1)
(6 ohms at 1 kHz, DIN)
200 + 200 watts
(6 ohms at 1 kHz, 10% THD)
(6 ohms at 1 kHz, DIN)
140 + 140 watts
(6 ohms at 1 kHz, 10% THD)
140 + 140 watts
(6 ohms at 1 kHz, 10% THD)
(6 ohms at 1 kHz, 50 W)
1 Vp-p, 75 ohms
Voltage 250 mV,
impedance 47 kilohms
impedance 47 kilohms
sensitivity 1 mV,
impedance 10 kilohms
max. output level 1 Vp-p,
unbalanced, Sync.
negative load impedance
75 ohms
accepts headphones of
8 ohms or more
accepts impedance of 6 to
16 ohms
24 ohms or more
Compact disc and digital
audio system
Semiconductor laser
(λ=795nm)
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.
2 Hz – 20 kHz (±0.5 dB)
780 – 790 nm
More than 90 dB
More than 90 dB
660 nm
–18 dBm
continued
3/13/01, 4:51 PM
27