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Sony HCD-W900AV User Manual

Sony HCD-W900AV
92 pages
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HCD-DR8AV/W900AV
US Model
Canadian Model
HCD-W900AV
E Model
Australian Model
HCD-DR8AV
SERVICE MANUAL
COMPACT DISC DECK RECEIVER
Model Name Using Similar Mechanism
HCD-DR4/DR5/DR6/DR440/
W300/W5000/XB500
CD Mechanism Type CDM37M-5BD32L
Base Unit Name BU-5BD32L
Optical Pick-up Name KSS-213D/Q-N
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type TCM-230AWR2/230PWR2
HCD-DR8AV/W900AV is the tuner, deck, CD and
amplifier section in LBT-DR8AV/W900AV.
— Continued on next page —
SPECIFICATIONS
CD
Section
Tape deck
Section
Ver 1.1 2003. 05
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-928-902-12
2003E16-1
© 2003.05
Amplifier section
LBT-W900AV
Front Speaker:
Continuous RMS power output (Reference)
100 + 100W
(8 at 1 kHz, 10% THD)
Total harmonics distortion Less than 0.07%
(8 at 1 kHz, 50W)
Center Speaker:
Continuous RMS power output (Reference)
45W
(8 at 1 kHz, 10% THD)
Rear Speaker:
Continuous RMS power output (Reference)
40 + 40W
(8 at 1 kHz, 10% THD)
LBT-DR8AV
Front Speaker:
The following measured at AC 120/220/240V, 50Hz
DIN power output (Rated) 130 + 130W
(6 at 1 kHz, DIN)
Continuous RMS power output (Reference)
160 +160W
(6 at 1 kHz, 10% THD)
Center Speaker:
DIN power output (Rated) 30W
(8 at 1 kHz, DIN)
Continuous RMS power output (Reference)
40W
(8 at 1 kHz, 10% THD)
Rear Speaker:
DIN power output (Rated) 30 + 30W
(8 at 1 kHz, DIN)
Continuous RMS power output (Reference)
40 + 40W
(8 at 1 kHz, 10%
THD)
Inputs
PHONO IN (phono jacks): sensitivity 3mV,
impedance 47k
MIX MIC (phone jack): sensitivity 1mV,
impedance 10k
VIDEO1 IN (phono jacks): sensitivity 250mV,
impedance 47k
VIDEO2 IN (phono jacks): sensitivity 250mV,
impedance 47k
MD IN (phono jacks): sensitivity 450mV,
impedance 47k
(LBT-DR8AV/W900AV)
DVD IN (phono jacks): sensitivity 450mV,
impedance 47k
Outputs
PHONES (stereo phone jack):
accepts headphones of 8
or more
VIDEO OUT (phono jack): voltage 250mV,
impedance 1k
MD OUT (phono jacks): voltage 250mV, impedance
1k
WOOFER OUT (phono jack):
voltage 1V, impedance
1k
FRONT SPEAKER:
(LBT-W900AV) accepts impedance of 8 to
16
(LBT-DR8AV) accepts impedance of 6 to
16
CENTER SPEAKER: accepts impedance of 8 to
16
REAR SPEAKER: accepts impedance of 8 to
16
Video section
Inputs
VIDEO1 IN (phono jacks): 1Vp-p, 75
VIDEO2 IN (phono jacks): 1Vp-p, 75
Output
VIDEO OUT (phono jack): 1Vp-p, 75
Photo: HCD-DR8AV

Table of Contents

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Sony HCD-W900AV Specifications

General IconGeneral
Number of Channels2
CD PlayerYes
CD Player Type5-Disc Changer
TunerAM/FM
BluetoothNo
USB PortNo
Remote ControlYes
Speakers2-way
OutputsHeadphone x 1

Summary

General Information and Specifications

Specifications

Technical details for amplifier and video sections.

General System Overview

Details on CD, tape, and tuner components.

Model Identification

Information to identify different unit model variations.

Safety and Servicing Notes

Safety Check-Out Procedures

Essential safety checks and AC leakage testing guidelines.

Servicing Notes

Handling precautions for optical pick-up and laser diodes.

Disassembly Instructions

Front Panel Disassembly

Step-by-step guide for removing the front panel assembly.

Main Board Access

Procedure for accessing and removing the main control board.

CD Mechanism Deck Disassembly

Instructions for disassembling the CD mechanism deck unit.

Tape Mechanism Deck Disassembly

Steps for removing and accessing the tape mechanism deck.

Service Modes and Diagnostics

Cold Reset Procedure

How to reset the unit to initial conditions, clearing all data.

CD Delivery Mode

Mode to move the CD pick-up to a stable position for shipping.

Error History Display Mode

Method to check and display recorded error history for the CD player.

Adjustments

Mechanical Adjustments

Procedures for mechanical calibration like torque and tape speed.

Electrical Adjustments

Procedures for electrical calibration like playback level and bias.

Diagrams and Schematics

Circuit Board Locations

Visual guide showing the placement of all circuit boards in the unit.

Block Diagrams

High-level functional overview of system signal paths.

Schematic Diagrams

Detailed circuit schematics for various sections of the unit.

Printed Wiring Boards

Layout diagrams showing component placement on circuit boards.

Exploded Views and Parts

Case and Back Panel Assembly

Exploded view of the unit's outer casing and rear panel components.

Front Panel Assembly Details

Exploded views detailing the front panel and its associated parts.

Chassis and Internal Mechanism Views

Exploded diagrams of the main chassis and internal mechanical assemblies.

Electrical Parts List

Audio Section Components

List of electronic components for the audio processing circuits.

CD Section Components

Parts list for the CD drive mechanism and related boards.

Panel, Trans, and Surround Components

Parts list for panel controls, power transformers, and surround amplifier.

Revision History

Manual Revision Log

Record of changes and updates made to the service manual over time.

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