Sony HCD-EC98P Service Manual

SERVICE MANUAL
Ver. 1.0 2008.04
• HCD-EC98P is the amplifi er, CD player and
tuner section in MHC-EC98P/EC98Pi.
Main unit
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
Low channel
With 8 ohm loads, both channels driven, from 120 – 10,000 Hz; 60 watts
per channel minimum RMS power, with no more than 0.7% total
harmonic distortion from 250 milliwatts to rated output.
High channel
With 8 ohm loads, both channels driven, from 2,000 – 13,000 Hz;
60 watts per channel minimum RMS power, with no more than 0.7%
total harmonic distortion from 250 milliwatts to rated output.
section
US and Canadian models:
Front Speaker
RMS output power (reference):
Low channel
95 W + 95 W (per channel at 8 Ω, 1 kHz, 10% THD)
High channel
95 W + 95 W (per channel at 8 Ω, 8 kHz, 10% THD)
Subwoofer
RMS output power (reference):
150 W (at 4 Ω, 80 Hz, 10% THD)
Australian model:
Front Speaker
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)
RMS output 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)
Subwoofer
RMS output power (reference):
130 W (at 4 Ω, 80 Hz, 10% THD)
Sony Corporation
9-889-068-01
2008D05-1 Audio Business Group
©
2008.04 Published by Sony Techno Create Corporation
HCD-EC98P
Model Name Using Similar Mechanism
Mechanism Type
Base Unit Name
Optical Pick-up Block Name

SPECIFICATIONS

Inputs
AUDIO IN (stereo mini jack): Sensitivity 800 mV, impedance
22 kilohms
Outputs
PHONES (stereo mini jack): Accepts headphones with an impedance
of 8 Ω or more
SPEAKER: impedance: 8 Ω
SUBWOOFER OUT: impedance 4 Ω
CD player section
System: Compact disc and digital audio system
=770 − 810 nm)
λ
Laser: Semiconductor laser (
Emission duration: continuous
Frequency response: 20 Hz − 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 88 dB
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section:
Tuning range
North American model: 87.5 − 108.0 MHz (100 kHz step)
Australian model: 87.5 − 108.0 MHz (50 kHz step)
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range
North American model:
530 − 1,710 kHz (with 10 kHz tuning interval)
531 − 1,710 kHz (with 9 kHz tuning interval)
Australian model:
531 − 1,710 kHz (with 9 kHz tuning interval)
530 − 1,710 kHz (with 10 kHz tuning interval)
Intermediate frequency: 450 kHz
Canadian Model
Australian Model
CDM77B-K6BD90-WOD HCD-EC78P
CDM88A-K6BD90-WOD HCD-EC68
US, Canadian CDM77B-K6BD90-WOD
Australian CDM88A-K6BD90-WOD
BU-K6BD90-WOD
KSM-213DCP
General
Power requirements:
North American model: AC 120 V, 60 Hz
Australian model: AC 230 − 240 V, 50/60 Hz
Power consumption:
US model: 270 W
Canadian model: 350 VA
Australian model: 220 W
Dimensions (w/h/d) (excl. speakers):
Approx. 200 × 306 × 430 mm
Mass (excl. speakers):
US and Canadian models:
Approx. 6.9 kg
Australian model:
Approx. 7.0 kg
COMPACT DISC RECEIVER
US Model