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Sony HCD-S550 Service Manual

Sony HCD-S550
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SERVICE MANUAL
SACD/DVD RECEIVER
AEP Model
UK Model
E Model
Australian Model
Chinese Model
HCD-S550/S880
Ver 1.6 2004.03
9-874-135-07 Sony Corporation
2004C05-1 Home Audio Company
© 2004.03 Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-S550/S880 is the amplifier, DVD/CD
player and tuner section in DAV-S550/S880.
Model Name Using Similar Mechanism NEW
Mechanism Type CDM72B-DVBU12
Base Unit Name DVBU12
Optical Traverse Unit Name DBU-1
Amplifier section
Stereo mode 80 W + 80 W (4 ohms at 1 kHz, THD 10 %)
Surround mode Front: 80 W + 80 W
Center*: 80 W
Rear*: 80 W + 80 W (4 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
S550:
S880:
Stereo mode 100 W + 100 W (3 ohms at 1 kHz, THD 10 %)
Surround mode Front: 100 W + 100 W
Center*: 100 W
Rear*: 100 W + 100 W (3 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
* Depending on the sound field settings and the source, there may be no sound output.
Inputs (Analog) VIDEO 1, 2:
Sensitivity: 150 mV
Impedance: 50 kilohms
Inputs (Digital) VIDEO 2 (optical):
Sensitivity: –
Outputs (Analog) VIDEO 1 (AUDIO OUT):
Voltage: 2 V
Impedance: 1 kilohms
PHONES:
Accepts low- and high-impedance headphones
– Continued on next page –
Photo: HCD-S550

Table of Contents

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Sony HCD-S550 Specifications

General IconGeneral
Power OutputNot specified in the available documentation.
CD PlayerYes
BluetoothNo
USB PlaybackNo
DimensionsNot specified in the available documentation.
WeightNot specified in the available documentation.
TypeMini Hi-Fi System
TunerAM/FM
InputsAuxiliary input
OutputsHeadphone output
OutputHeadphone output

Summary

Specifications

Amplifier Section Specifications

Details power output for stereo and surround modes for S550 and S880.

Self Diagnosis Function

Safety Checks and Leakage Test

AC Leakage Test Procedure

Describes the procedure and limits for AC leakage testing on exposed metal parts.

Servicing Notes

Disassembly Procedures

Disassembly Flow Chart

Outlines the step-by-step procedure for disassembling the unit, listing component removal.

Test Mode Operations

Electrical Adjustment Procedures

Circuit Diagrams

RF Servo Section Block Diagram

Illustrates the signal flow and interconnections within the RF servo system.

Audio (DSP) Section Block Diagram

Shows the signal path and components within the audio DSP section.

Electrical Parts List

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