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Sony STR-DA7ES User Manual

Sony STR-DA7ES
116 pages
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US Model
Canadian Model
STR-DA4ES/DA7ES
AEP Model
E Model
STR-VA333ES
SPECIFICATIONS
Photo: STR-VA333ES
This receiver incorporates Dolby* Digital and Pro Logic Surround
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.
** “DTS”, “DTS-ES Extended Surround” and “Neo: 6” are
trademarks of Digital Theater Systems, Inc.
STR-DA4ES/DA7ES
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
20 – 20,000 Hz; rated DA4ES: 110, DA7ES: 120
watts per channel minimum RMS power, with no
more than 0.05 % total harmonic distortion from
250 milliwatts to rated output.
AMPLIFIER SECTION
POWER OUTPUT
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.05 %)
STR-DA7ES: 120 W + 120 W
STR-DA4ES: 110 W + 110 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DA7ES: 100 W + 100 W
STR-DA4ES: 90 W + 90 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.05 %)
STR-DA7ES: FRONT
1)
: 120 W + 120 W
CENTER
1)
: 120 W
SURR
1)
: 120 W + 120 W
SURR BACK
1)
: 120 W + 120 W
STR-DA4ES: FRONT
1)
: 110 W + 110 W
CENTER
1)
: 110 W
SURR
1)
: 110 W + 110 W
SURR BACK
1)
: 110 W + 110 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DA7ES: FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W + 100 W
STR-DA4ES: FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W + 90 W
1) Depending on the sound field settings and the
source, there may be no sound output.
STR-DA4ES/DA7ES/VA333ES
Ver 1.0 2002. 07
SERVICE MANUAL
– Continued on next page –
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-874-082-01
2002G0400-1
© 2002. 07
FM STEREO FM-AM RECEIVER

Table of Contents

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Sony STR-DA7ES Specifications

General IconGeneral
Audio Channels7.1
Frequency Response10 Hz - 100 kHz
Frequency Response (+1dB, -3dB)20 Hz - 20 kHz
Total Harmonic Distortion0.09%
Signal to noise ratio100 dB
Video ConnectionsComposite, S-Video
Channel Separation70 dB
Surround SoundDolby Digital, DTS
Tuning rangeFM: 87.5-108 MHz, AM: 530-1710 kHz
Digital inputsOptical, Coaxial
Dimensions430 x 178 x 430 mm
Audio Inputs6
Audio Outputs2
Video Inputs4

Summary

Specifications

Audio Power Specifications

Details power output and total harmonic distortion for both channels.

Amplifier Section

Lists rated power output at stereo mode for different impedance loads.

FM Tuner Section

Sensitivity

Specifies mono and stereo sensitivity levels in dBf and µV.

Usable Sensitivity

Provides the minimum signal level for acceptable stereo reception.

AM Tuner Section

Tuning Range

Defines the frequency range for AM tuning in kHz.

Usable Sensitivity

Specifies the signal strength required for reliable AM reception.

Video Section

Inputs/Output

Lists video input and output signal levels and impedance.

General

Power Requirements

Details the AC voltage and frequency the unit requires for operation.

Power Consumption

Specifies power usage in Watts or VA for different area codes.

Safety Check-Out

Leakage

Outlines AC leakage test procedures and limits for safe operation.

Section 1 Service Note

DTS Decode Test

Describes the procedure for testing DTS decoding functionality using a specific test CD.

Section 2 General

Main Unit Overview

Provides an overview of the main unit's front panel controls and features.

Section 3 Test Mode

Fluorescent Indicator Tube Test Mode

Details the procedure to test all segments of the fluorescent display.

Factory Set Mode

Explains how to reset all preset contents to the default factory settings.

All Clear Mode

Describes the process to clear all preset data stored in the receiver.

Sound Field Clear Mode

Outlines the procedure to clear preset sound field settings for initialization.

AM Channel Step 9 kHz/10 kHz Selection Mode

Explains how to select the AM tuning step between 9 kHz and 10 kHz.

Version Mode

Details the procedure to display the receiver's version information.

Section 4 Disassembly

4-1. Case

Provides a step-by-step guide on how to remove the outer case.

4-2. Panel Assy

Details the procedure for disassembling the front panel assembly.

4-3. Bracket

Describes the steps to remove the internal bracket for service access.

4-4. Back Panel Section

Outlines the procedure for removing the rear panel section.

4-5. Digital Board

Explains how to remove the main digital processing board.

4-6. Input Board, E-Vol Board

Guides the user through removing the input and E-VOL circuit boards.

4-7. A-Class Board, Amp Board

Details the process for removing the A-class and amplifier boards.

4-8. AC Board, CIS Power Board

Provides instructions for removing the AC and CIS power supply boards.

4-9. DC Board

Outlines the steps for disassembling the DC power board.

Section 5 Electrical Adjustment

[Idling Current Adjustment]

Describes how to adjust idling current by measuring voltage at specific test points.

[OSD Adjustment]

Explains the procedure for adjusting the OSD display frequency using a counter.

Section 6 Diagrams

6-1. IC Pin Function

Lists pin functions for IC1201 CXD9617R (AUDIO DSP) on the DIGITAL BOARD.

6-2. Block Diagram - Audio Section

Presents a block diagram illustrating the audio signal flow within the receiver.

6-3. Block Diagram - Video Section

Shows a block diagram detailing the video signal processing path.

6-4. Block Diagram - Digital Section (1/2)

Illustrates the first part of the digital signal processing block diagram.

6-5. Block Diagram - Digital Section (2/2)

Presents the second part of the digital signal processing block diagram.

6-6. Block Diagram - Power Amp Section

Depicts the block diagram for the power amplifier stages of the receiver.

6-7. Circuit Boards Location

Shows the physical layout and location of various circuit boards within the unit.

Section 7 Exploded Views

7-1. Case Section

Provides an exploded view of the receiver's case and associated parts.

7-2. Front Panel Section (1)

Shows an exploded view of the front panel components, part 1.

7-3. Front Panel Section (2)

Displays an exploded view of the front panel components, part 2.

7-4. Rear Section

Provides an exploded view of the receiver's rear panel and connectivity ports.

7-5. Chassis Section (1)

Shows an exploded view of the main chassis and internal board mounting.

7-6. Chassis Section (2)

Displays an exploded view of chassis components and fasteners, part 2.

Section 8 Electrical Parts List

A-Class Board Components

Lists electronic components for the A-Class amplifier board.

AMP Board Components

Lists electronic components for the main amplifier board.

Digital Board Components

Lists electronic components for the digital processing board.

CIS Board Components

Lists electronic components for the CIS (Customer Interface System) board.

E-VOL Board Components

Lists electronic components for the E-VOL (Electronic Volume) board.

F-SPTM Board Components

Lists electronic components for the F-SPTM board.

Input Board Components

Lists electronic components for the input signal processing board.

Up Convert Board Components

Lists electronic components for the UP CONVERT board.

Accessories

Manuals and Instructions

Lists available language versions of the user and service manuals.

Revision History

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