Diagrama Sony

HCD-EC69/EC79/EC99

SERVICE MANUAL

AEP Model
E Model

Ver. 1.2 2009.09

HCD-EC69/EC79/EC99

Russian Model
HCD-EC69/EC99

• HCD-EC69 is the amplifier, USB, CD player and
tuner section in MHC-EC69.
• HCD-EC79 is the amplifier, USB, CD player and
tuner section in MHC-EC79.
• HCD-EC99 is the amplifier, USB, CD player and
tuner section in MHC-EC99.

Photo: HCD-EC99

• “WALKMAN”and “WALKMAN” logo are registered trademarks of Sony Corporation.
• MICROVAULT is a trademark of Sony Corporation.
• MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and
Thomson.
• Windows Media is a registered trademark of Microsoft Corporation in the United States
and/or other countries.

Model Name Using Similar Mechanism

HCD-EC78

Mechanism TypeCDM88A-K6BD90-WOD

Base Unit Name

BU-K6BD90-WOD

Optical Pick-up Block Name

KSM-213DCP

SPECIFICATIONS
Outputs
The following measured at AC 230 V, 50/60 Hz (European and
Russian models)
The following measured at AC 120, 127, 220, 240 V, 50/60 Hz
(Other models)

HCD-EC99

Front Speaker:
Power output (rated):
Low channel
50 W + 50 W (at 8 Ω, 1 kHz, 1% THD)
High channel
50 W + 50W (at 8 Ω, 8 kHz, 1% THD)
RMS output power (reference):
Low channel
65 W + 65 W (per channel at 8 Ω, 1 kHz, 10% THD)
High channel
65 W + 65 W (per channel at 8 Ω, 8 kHz, 10% THD)
Subwoofer:
RMS output power (reference):
90 W (at 4 Ω, 80 Hz, 10% THD)

HCD-EC79

Power output (rated):
Low channel
55 W + 55 W (at 8 Ω, 1 kHz, 1% THD)
High channel
55 W + 55 W (at 8 Ω, 8 kHz, 1% THD)
RMSoutput power (reference):
Low channel
75 W + 75 W (per channel at 8 Ω, 1 kHz, 10% THD)
High channel
75 W + 75 W (per channel at 8 Ω, 8 kHz, 10% THD)

HCD-EC69

Power output (rated):
50 W + 50 W (at 6 Ω, 1 kHz, 1% THD)
RMS output power (reference):
70 W + 70 W (per channel at 6 Ω, 1 kHz, 10% THD)

FM tuner section:
Tuning range:
87.5 − 108.0 MHz (50 kHz step)
Intermediate frequency: 10.7 MHz

PHONES (stereo mini jack):
accepts headphones with an impedance of
8 Ω or more
SPEAKER: impedance
HCD-EC79/EC99: 8 Ω
HCD-EC69: 6 Ω
SUBWOOFER (HCD-EC99 only): impedance 4 Ω

USB section
Supported bit rate:
MP3 (MPEG 1 Audio Layer-3)/WMA/AAC: 32 − 320 kbps,
VBR
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3)/WMA/AAC: 32/44.1/48 kHz
(USB) port:
Maximum current: 500 mACD player section
System:
Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6μW
* This output is the value
measurement at a distance of 200mm from
the objective lens surface on the Optical
Pick-up Block with 7mm aperture.
Frequency response: 20 Hz − 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: Morethan 88 dB

Tuner section
FM stereo, FM/AM superheterodyne tuner Antenna:
FM lead antenna
AM loop antenna

AM tuner section:
Tuning range
European and Russian models:
531 − 1,602 kHz (with 9 kHz tuning interval)
Latin American models:
530 − 1,710 kHz (with 10 kHz tuning interval)
531 − 1,710 kHz (with 9 kHz tuning interval)
Other models:
531 − 1,602 kHz (with 9 kHz tuning interval)530 − 1,610 kHz (with 10 kHz tuning interval)
Intermediate frequency : 450 kHz

General
Power requirements
European and Russian models:
AC 230 V, 50/60 Hz
Mexican model:
AC 127 V, 60 Hz
Argentine model:
AC 220 V, 50/60 Hz
Other models:
AC 120, 220, 230 − 240 V, 50/60 Hz, adjustable with voltage
selector
Power consumption
HCD-EC99: 175 W (0.5 W at the Power Saving Mode)
HCD-EC79:170 W (0.5 W at the Power Saving Mode)
HCD-EC69: 110 W (0.5 W at the Power Saving Mode)
Dimensions (w/h/d) (excl. speakers)
Approx. 200 × 306 × 415 mm
Mass (excl. speakers)
HCD-EC99: Approx. 6.5 kg
HCD-EC79: Approx. 6.4 kg
HCD-EC69: Approx. 5.4 kg
Design and specifications are subject to change without notice.

Inputs
PC IN (stereo mini jack):
Sensitivity 800 mV, impedance 22 kilohms...