Sony HCD-EC98P - User Manual

SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
HCD-EC98P
SPECIFICATIONS
COMPACT DISC RECEIVER
9-889-068-01
2008D05-1
©
2008.04
US Model
Canadian Model
Australian Model
Ver. 1.0 2008.04
• HCD-EC98P is the amplifi er, CD player and
tuner section in MHC-EC98P/EC98Pi.
Model Name Using Similar Mechanism
CDM77B-K6BD90-WOD HCD-EC78P
CDM88A-K6BD90-WOD HCD-EC68
Mechanism Type
US, Canadian CDM77B-K6BD90-WOD
Australian 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.
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)
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
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)
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
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
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)

Summary

Servicing Notes and Precautions

Handling Optical Pick-up Block

Precautions for handling the optical pick-up block and flexible circuit boards during service.

Laser Diode Emission Check Safety

Safety guidelines for checking laser diode emission from the optical pick-up block.

General Operations and Troubleshooting

Troubleshooting Common Issues

Disassembly Procedures

Disassembly Flowchart

A flowchart illustrating the sequence for disassembling the set and its main sections.

Test Modes and Service Functions

Cold Reset and Panel Test Mode

Procedures to perform a cold reset and enter the panel test mode for diagnostics.

CD Service Modes

Instructions for entering CD Service Mode, CD Ship Mode, and CD Tray Lock Mode.

Test Mode Operations

CD Error Codes and Service

Information on CD error codes (CDM and BD errors) for diagnosing unit faults.

Electrical Adjustments and Diagnostics

Focus Bias Check

Procedure for checking and adjusting the focus bias using an oscilloscope waveform.

Tuner Section Adjustments

Procedures for adjusting AM and FM frequency coverage, tracking, and detector settings.

Sony HCD-EC98P Specifications

General

Brand	Sony
Model	HCD-EC98P
Category	Car Receiver
Language	English