Sony HCD-EC68P Service Manual - Page 1

Sony HCD-EC68P Manual

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HCD-EC68P/EC78P SERVICE MANUAL Ver. 1.0 2008.03 US Model HCD-EC68P/EC78P Canadian Model UK Model HCD-EC78P Australian Model HCD-EC68P • HCD-EC68P is the amplifier, CD player and tuner section in MHC-EC68Pi. • HCD-EC78P is the amplifier, CD player and tuner section in MHC-EC78Pi. Photo : HCD-EC78P Model Name Using Similar Mechanism Mechanism Type Base Unit Name Optical Pick-up Block Name CDM77B-K6BD90-WOD CDM88A-K6BD90-WOD Except EC78P (UK) EC78P (UK) NEW HCD-EC68 CDM77B-K6BD90-WOD CDM88A-K6BD90-WOD BU-K6BD90-WOD KSM-213DCP Main unit AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (HCD-EC78P The United States model only) 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. AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (HCD-EC68P The United States model only) With 6 ohm loads, both channels driven, from 120 - 10,000 Hz; 40 watts per channel minimum RMS power, with no more than 0.7% total harmonic distortion from 250 milliwatts to rated output. section HCD-EC78P: US and Canadian models 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) HCD-EC78P: UK model Power output (rated): Low channel 50 W + 50 W (at 8 Ω, 1 kHz, 1% THD) High channel 50 W + 50 W (at 8 Ω, 8 kHz, 1% THD) RMS output power (reference): Low channel 70 W + 70 W (per channel at 8 Ω, 1 kHz, 10% THD) High channel 70 W + 70 W (per channel at 8 Ω, 8 kHz, 10% THD) HCD-EC68P RMS output power (reference): 70 W + 70 W (per channel at 6 Ω, 1 kHz, 10% THD) 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 HCD-EC78P: 8 Ω HCD-EC68P: 6 Ω CD player section System: Compact disc and digital audio system Laser: Semiconductor laser (λ=770 - 810 nm) Emission duration: continuous Frequency response: 20 Hz - 20 kHz Signal-to-noise ratio: More than 90 dB Dynamic range: More than 88 dB General Power requirements: North American model: AC 120 V, 60 Hz Australian model: AC 230 - 240 V, 50/60 Hz UK model: AC 230 V, 50/60 Hz Power consumption: HCD-EC78P USA model: 210 W Canadian model: 270 VA UK model: 160 W 0.5 W (in Power Saving Mode) HCD-EC68P 110 W Dimensions (w/h/d) (excl. speakers): Approx. 200 × 306 × 415 mm 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) UK and Australian models: 87.5 - 108.0 MHz (50 kHz step) Intermediate frequency: 10.7 MHz Mass (excl. speakers): HCD-EC78P: US and Canadian models Approx. 5.8 kg HCD-EC78P: UK model Approx. 6.1 kg HCD-EC68P Approx. 4.7 kg 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 UK model: 531 - 1,602 kHz (with 9 kHz tuning interval) Intermediate frequency: 450 kHz COMPACT DISC RECEIVER 9-889-053-01 2008C05-1 © 2008.03 Sony Corporation Audio Business Group Published by Sony Techno Create Corporation

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SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
HCD-EC68P/EC78P
SPECIFICATIONS
COMPACT DISC RECEIVER
9-889-053-01
2008C05-1
©
2008.03
US Model
HCD-EC68P/EC78P
Canadian Model
UK Model
HCD-EC78P
Australian Model
HCD-EC68P
Ver. 1.0
2008.03
• HCD-EC68P is the ampli
fi
er, CD player and
tuner section in MHC-EC68Pi.
• HCD-EC78P is the ampli
fi
er, CD player and
tuner section in MHC-EC78Pi.
Photo : HCD-EC78P
Model Name Using Similar Mechanism
CDM77B-K6BD90-WOD
NEW
CDM88A-K6BD90-WOD
HCD-EC68
Mechanism Type
Except EC78P (UK)
CDM77B-K6BD90-WOD
EC78P (UK)
CDM88A-K6BD90-WOD
Base Unit Name
BU-K6BD90-WOD
Optical Pick-up Block Name
KSM-213DCP
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.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6 ohm loads, both channels driven, from 120 – 10,000 Hz;
40 watts per channel minimum RMS power, with no more than
0.7% total harmonic distortion from 250 milliwatts to rated output.
section
HCD-EC78P: US and Canadian models
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)
HCD-EC68P
RMS output power (reference):
70 W + 70 W (per channel at 6 Ω, 1 kHz, 10% THD)
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
HCD-EC78P: 8 Ω
HCD-EC68P: 6 Ω
CD player section
System: Compact disc and digital audio system
Laser: Semiconductor laser (
λ
=770 – 810 nm)
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)
UK and Australian models: 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:
UK model:
531 – 1,710 kHz (with 9 kHz tuning interval)
530 – 1,710 kHz (with 10 kHz tuning interval)
Intermediate frequency: 450 kHz
General
Power requirements:
North American model: AC 120 V, 60 Hz
UK model: AC 230 V, 50/60 Hz
UK model: 160 W
Australian model: AC 230 – 240 V, 50/60 Hz
Power consumption:
HCD-EC78P
USA model: 210 W
Canadian model: 270 VA
HCD-EC68P
110 W
Dimensions (w/h/d) (excl. speakers):
Approx. 200 × 306 × 415 mm
Mass (excl. speakers):
HCD-EC78P: US and Canadian models
Approx. 5.8 kg
HCD-EC68P
Approx. 4.7 kg
HCD-EC78P: UK model
Power output (rated):
Low channel
50 W + 50 W (at 8 Ω, 1 kHz, 1% THD)
High channel
50 W + 50 W (at 8 Ω, 8 kHz, 1% THD)
RMS output power (reference):
Low channel
70 W + 70 W (per channel at 8 Ω, 1 kHz, 10% THD)
High channel
70 W + 70 W (per channel at 8 Ω, 8 kHz, 10% THD)
531 – 1,602 kHz (with 9 kHz tuning interval)
Intermediate frequency: 450 kHz
0.5 W (in Power Saving Mode)
HCD-EC78P: UK model
Approx. 6.1 kg
(HCD-EC78P °e United States model only)
(HCD-EC68P °e United States model only)