Sony HCD-M70 Service Manual

SERVICE MANUAL
Ver 1.1 2002.03
HCD-M70 is the Amplifier, CD player, Tape
Deck and Tuner section in CMT-M70/M70K.
Amplifier section
For the U.S. model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 6-ohm loads, both channels driven, from
70 - 20,000 Hz; rated 18 watts per channel
minimum RMS power, with no more than 0.9%
total harmonic distortion from 250 milliwatts to
rated output.
North American model:
Continuous RMS power output (reference):
20 + 20 W
(6 ohms at 1 kHz, 10%
THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 12 W)
European model:
DIN power output (rated): 15 + 15 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
20 + 20 W
(6 ohms at 1 kHz, 10%
THD)
Music power output (reference):
40 + 40 W
Other models:
The following measured at 230 V AC, 60 Hz
Sony Corporation
9-873-633-02
2002C0500-1 Home Audio Company
C 2002.03 Published by Sony Engineering Corporation
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
TAPE
Model Name Using Similar Mechanism
Section
SPECIFICATIONS
DIN power output (rated): 15 + 15 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
18 + 18 W
(6 ohms at 1 kHz, 10%
THD)
The following measured at 220 V AC, 60 Hz
DIN power output (rated): 12 + 12 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
15 + 15 W
(6 ohms at 1 kHz, 10%
THD)
Inputs
AUDIO IN MD (VIDEO) (phono jacks):
Sensitivity 500/250 mV,
impedance 47 kilohms
Outputs
OPTICAL DIGITAL OUT (CD):
Optical
PHONES: Accepts headphones with
an impedance of 8 ohms
or more
SPEAKER: 6 ohms
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ = 780 nm)
Emission
duration: continuous
Wavelength 780 - 790 nm
Frequency response 2 Hz - 20 kHz (±0.5 dB)
MICRO Hi-Fi COMPONENT SYSTEM
HCD-M70
Canadian Model
AEP Model
Australian Model
Tape player section
Recording system
Frequency response
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American model:
Other models:
Antenna
Antenna terminals
Intermediate frequency
AM tuner section
Tuning range
Pan-American model:
European model:
– Continued on next page –
US Model
UK Model
E Model
HCD-CP100
CDM55F-K6BD41A
KSS-213DCP
NEW
4-track 2-channel stereo
50 - 13,000 Hz (±3 dB),
using a Sony TYPE I
cassette
87.5 - 108.0 MHz
(100-kHz step)
87.5 - 108.0 MHz
(50-kHz step)
FM wire antenna
75 ohms unbalanced
10.7 MHz
530 - 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 - 1,710 kHz
(with the tuning interval
set at 9 kHz)
531 - 1,602 kHz
(with the tuning interval
set at 9 kHz)