Sony HCD-DZ20 User Manual

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
AEP Model
UK Model
E Model
DVD RECEIVER
9-887-568-03
2007F16-1
© 2007.06
Ver. 1.2 2007.06
HCD-DZ20
HCD-DZ20 is the amplifier, DVD/CD and
tuner section in DAV-DZ20.
SPECIFICATIONS
Model Name Using Similar Mechanism HCD-DZ230
Mechanism Type CDM85-DVBU102
Optical Pick-up Name KHM-313CAA
This system incorporates with Dolby* Digital and Dolby Pro Logic (II) adaptive
matrix surround decoder and the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are trademarks of Dolby
Laboratories.
** Manufactured under license from DTS, Inc.
“DTS” and “DTS Digital Surround” are registered trademarks of DTS, Inc.
Amplifier section
Stereo mode (rated) 50 W + 50 W (at 3 ohms,
1 kHz, 1 % THD)
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 67 watts
(per channel at 3 ohms,
1 kHz, 10 % THD)
Subwoofer*: 65 watts (at 3
ohms, 80 Hz, 10 % THD)
*Depending on the sound field settings and the source,
there may be no sound output.
Inputs (Analog)
TV (AUDIO IN)(AEP, UK models)
Sensitivity: 450/250 mV
DVD system
Laser Semiconductor laser
(DVD: λ = 650 nm)
(CD: λ = 790 nm)
Emission duration:
continuous
Signal format system
Tuner section
System PLL quartz-locked digital
synthesizer
FM tuner section
Tuning range 87.5-108.0 MHz (50 kHz
step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
Mexican and Latin American models:
530 – 1,710 kHz (with the
interval set at 10 kHz)
531 – 1,710 kHz (with the
interval set at 9 kHz)
European, Russian and Middle Eastern models:
531 – 1,602 kHz (with the
interval set at 9 kHz)
TV/VIDEO (AUDIO IN)(Except AEP, UK models)
Sensitivity: 450/250 mV
Mexican and Latin American models:
NTSC
Other models: NTSC/PAL
Other models: 531 – 1,602 kHz (with the
interval set at 9 kHz)
530 – 1,610 kHz (with the
interval set at 10 kHz)
Antenna (aerial) AM loop antenna (aerial)
Intermediate frequency 450 kHz
Video section
Outputs
AEP, UK models: VIDEO: 1 Vp-p 75 ohms
R/G/B: 0.7 Vp-p 75 ohms
Dimensions (approx.) 430 × 67 × 310 mm (w/h/d)
incl. projecting parts
Mass (approx.) 3.2 kg
Design and specifications are subject to change
without notice.
Except AEP, UK models: VIDEO: 1 Vp-p 75 ohms
S VIDEO:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P B /C B , P R /C R : 0.7 Vp-p
75 ohms
General
Power requirements
Mexican models: 120 V AC, 60 Hz
Latin American models: 110 - 240 V AC, 50/60 Hz
Other models: 220 - 240 V AC, 50/60 Hz
Argentine models: 220 - 240 V AC, 50/60 Hz
Power consumption On: 80 W
Standby: 0.3 W (at the
Power Saving mode)
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony HCD-DZ20 Specifications

General

Brand	Sony
Model	HCD-DZ20
Category	Receiver
Language	English

Summary

Service Manual Overview

Specifications - Amplifier Section

Details rated power output for stereo and surround modes.

Specifications - Tuner Section

Covers FM and AM tuning ranges and intermediate frequencies.

Specifications - Video Section

Lists video output details like VIDEO, S VIDEO, and COMPONENT.

Specifications - General

Includes power requirements, consumption, dimensions, and mass.

Model Identification and Cautions

General Safety and Handling Cautions

Covers laser safety, chip component replacement, and flexible circuit board repair.

Servicing Notes and Precautions

Optical Pick-up Block Handling

Instructions for safe handling of optical pick-up blocks to prevent damage.

Laser Diode and Focus Search Procedures

Steps for checking laser diode emission and performing focus search.

Important Operation and Handling Warnings

Covers warnings about screen burn-in, disc cleaners, and transport.

Self-Diagnosis and Maintenance Procedures

Self-Diagnosis Function Overview

Explains the self-diagnosis function and how to interpret its output codes.

Electrical Safety and IC Protection

Electric Shock Prevention

Instructions for discharging electricity before disassembling to prevent shock or IC damage.

Remote Control Operation

Remote Control Button Descriptions

Lists all buttons on the remote control and their corresponding functions and page references.

Disassembly Procedures

Disassembly Flowchart

Outlines the step-by-step process for disassembling the unit.

Main Board Disassembly

Main Board Removal and Heatsink Attachment

Details on removing the main board, attaching heatsinks and radiation sheets.

Disassembly - DVD Mechanism and Tray

DVD Mechanism Deck Disassembly

Procedure for removing the DVD mechanism deck assembly.

Disassembly - Optical Pick-up

Optical Pick-up (KHM-313CAA) Removal

Steps for disassembling and removing the optical pick-up unit.

Test Mode Procedures

Cold Reset Procedure

Steps to reset the system to initial conditions, clearing all data.

Panel Test Modes

Details on Display, Version, and Key test modes for checking panel functions.

Exploded Views and IOP Measurement

General Description of IOP Measurement

Explains the IOP measurement process using remote commander and TV display.

Entering Test Mode for IOP Measurement

Steps to enter the test mode for IOP measurement.

Executing IOP Measurement Procedure

Detailed steps for performing the IOP measurement and interpreting results.

Emergency History and Data Clearing

Checking Emergency History

Procedure to check system error codes and laser usage history.

Test Mode Navigation and Protection Features

Protection Factor Identification Test Mode

Explains SD/DC detection and protection factor identification.

Electrical Adjustments

IOP Measurement After Pick-up Replacement

Note on performing IOP measurement after optical pick-up assembly replacement.

FM Tune Level Check

Procedure for checking the FM tune level using a signal generator.

Key, FL, and P-SW Board Schematics

Key Board Schematic Diagram

FL Board Schematic Diagram

P-SW Board Schematic Diagram

IC Block Diagrams

IC Block Diagrams - Main Board

Block diagrams illustrating the internal functions of key ICs on the Main Board.

IC Block Diagrams - Power and IO ICs

IC Block Diagrams - Power ICs

Block diagrams for power supply control ICs.

IC Block Diagrams - IO ICs

Block diagrams for IO interface ICs.

FL Board IC Block Diagram

IC802 (uPD16315GB-3BS) Block Diagram

Internal block diagram of the FL driver IC (IC802).

IC Pin Function Descriptions

Main Board IC1101 (CXD9849R) Pin Functions

Detailed pinout and function description for IC1101 on the Main Board.

IC Pin Function Descriptions (Continued)

Main Board IC1101 (CXD9849R) Pin Functions (Cont.)

Additional pinout and function details for IC1101.

Main Board IC501 (M30622MEP-B20FPU0) Pin Functions

Pinout and function description for IC501 (System Controller) on the Main Board.

Main Board IC501 (M30622MEP-B20FPU0) Pin Functions (Cont.)

Final part of pinout and function description for IC501.

DVD Mechanism Deck Exploded View

DVD Mechanism Deck Parts List

Electrical Parts List - Components

Resistor and Capacitor Parts

Diode, IC, Coil, and Transistor Parts

Connector and Resistor Parts (Continued)

Electrical Parts List - Components (Continued)

Resistor, IC, Connector, and Diode Parts

Resistor, Capacitor, and Switch Parts

Capacitor, Connector, and Diode Parts

Electrical Parts List - Capacitors

Electrical Parts List - Capacitors (Continued)

Capacitor Parts (Continued)

Electrical Parts List - ICs and Modules

IC, Transformer, Terminal, and Vibrator Parts

MS-203 Board and Switch Parts

Photo Coupler and Line Filter Parts

Electrical Parts List - Transistors and Resistors

Transistor Parts List

Resistor Parts List

Electrical Parts List - Resistors (Continued)

Resistor Parts List (Continued)

Electrical Parts List - Various Components

Resistors and Network Resistors

Transformers, Terminals, Thermistors, Varistors, Vibrator

MS-203 Board, Switch, and Capacitor Parts

Electrical Parts List - Miscellaneous

Switch and Miscellaneous Parts