Sony HBD-DZ940K User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
SPECIFICATIONS
DVD RECEIVER
9-893-179-03
2011F04-1
©
2011.06
AEP Model
E Model
HBD-DZ840K/DZ940K
Russian Model
HBD-DZ340M/DZ640M/DZ840M
Ver. 1.2 2011.06
• HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K are the
amplifi er, DVD/CD and tuner section in DAV-DZ340M/DZ640M/
DZ840K/DZ840M/DZ940K.
Model Name Using Similar Mechanism
HBD-DZ340/DZ340K/
DZ640K/DZ740
Mechanism Type CDM85MB-DVBU102
Optical Pick-up Name KHM-313CAA
This system incorporates with Dolby* Digital and Dolby Pro Logic 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 under U.S. Patent #’s:
5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,487,535 & other U.S. and
worldwide patents issued & pending. DTS and DTS Digital Surround
are registered trademarks and the DTS logos and Symbol are trademarks
of DTS, Inc. © 1996-2008 DTS, Inc. All Rights Reserved.
Amplifi er Section
(DAV-DZ340M/DZ640M/DZ840M)
POWER OUTPUT (rated): Front L/Front R/Center/
Surround L/Surround R:
108 W (per channel at 3
ohms, 1 kHz, 1% THD)
POWER OUTPUT (reference):
Front L/Front R/Center/
Surround L/Surround R:
167 W (per channel at 3
ohms, 1 kHz)
Subwoofer: 165 W
(at 3 ohms, 80 Hz)
Inputs (Analog)
TV (AUDIO IN) Sensitivity: 450/250 mV
MIC Sensitivity: 1 mV
Inputs (Digital)
TV (Audio Return Channel/OPTICAL IN)
Input Stream: Dolby
Digital 5.1ch/DTS 5.1ch/
Linear PCM 2ch
(Sampling Frequency: less
than 48 kHz)
Amplifi er Section (DAV-DZ840K/DZ940K)
Brazilian models:
POWER OUTPUT: Front L/Front R/Center/
Surround L/Surround R:
142 W (per channel at 3
ohms, 1 kHz, 10% THD*,
127 V)
Subwoofer: 140 W
(at 3 ohms, 80 Hz, 10%
THD*, 127 V)
* Total harmonic distortion
Other models:
POWER OUTPUT (rated): Front L/Front R/Center/
Surround L/Surround R:
108 W (per channel at 3
ohms, 1 kHz, 1% THD)
POWER OUTPUT (reference):
Front L/Front R/Center/
Surround L/Surround R:
167 W (per channel at 3
ohms, 1 kHz)
Subwoofer: 165 W (at 3
ohms, 80 Hz)
Inputs (Analog)
TV (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN Sensitivity: 250/125 mV
MIC Sensitivity: 1 mV
Inputs (Digital)
TV (Audio Return Channel/OPTICAL IN)
Input Stream: Dolby
Digital 5.1ch/DTS 5.1ch/
Linear PCM 2ch
(Sampling Frequency: less
than 48 kHz)
CD/DVD System
Laser Diode Properties Emission Duration:
Continuous
Laser Output: Less than
44.6 PW
* This output is the value measurement at a distance
of 200 mm from the objective lens surface on the
Optical Pick-up Block with 7 mm aperture.
Signal format system
Latin American models: NTSC
Other models: NTSC/PAL
– Continued on next page –
HBD-DZ340M/DZ640M/DZ840K/
DZ840M/DZ940K
(Photo: HBD-DZ940K)

Sony HBD-DZ940K Specifications

General

Brand	Sony
Model	HBD-DZ940K
Category	Receiver
Language	English

Summary

Specifications

Amplifier Section

Details on power output and input sensitivity for amplifier stages.

CD/DVD System

Properties of the laser diode and signal format systems.

General

Power requirements, consumption, dimensions, and mass of the unit.

Servicing Notes

Notes on Handling the Optical Pick-up Block or Base Unit

Proper handling procedures for the optical pick-up block to prevent damage.

Notes on Laser Diode Emission Check

Guidelines for safely checking the laser diode emission.

Disassembly

Case

Step-by-step instructions for removing the unit's outer case.

Main Board

Instructions for accessing and removing the main circuit board.

Optical Pick-up

Steps for replacing the optical pick-up module.

Test Mode

Cold Reset

Procedure to clear all preset data and reset the system to initial conditions.

Panel Test Mode

Checking software version, FL, and KEY components.

Protection Factor (SD/DC/TSD Detection) Identification Test Mode

Identifying protection factors like SD, DC, and TSD detection.

Diagrams

Block Diagram - RF Section

Overview of the radio frequency signal path and components.

Block Diagram - VIDEO Section

Diagram illustrating the video signal processing path.

Block Diagram - AUDIO Section

Schematic of the audio signal flow and processing.

Block Diagram - POWER Section

Overview of the power supply circuits and system control.

Electrical Parts List

Resistors

List of resistors with part numbers, specifications, and remarks.

Capacitors

List of capacitors with part numbers and specifications.

Semiconductors

List of semiconductor components with part numbers and details.