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Sony STR-DB2000 Service Manual

Sony STR-DB2000
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SERVICE MANUAL
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(STR-DA2000ES model of area code US
only)
With 8 ohm loads, both channels driven, from 20
– 20,000 Hz; rated 120 watts per channel
minimum RMS power, with no more than 0.6%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.6%) 120 W + 120 W
(4 ohms 20 Hz – 20 kHz, THD 0.6%) 100 W + 100 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.6%)
FRONT
1)
: 120 W + 120 W
CENTER
1)
: 120 W
SURR
1)
: 120 W + 120 W
SURR BACK
1)2)
: 120 W +
120 W
SURR BACK
1)3)
: 120 W
(4 ohms 20 Hz – 20 kHz, THD 0.6%)
FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)2)
: 100 W +
100 W
SURR BACK
1)3)
: 100 W
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Model of STR-DA2000ES only.
3) Model of STR-DB2000 only.
Frequency response
Inputs (Analog)
Inputs (Digital)
Outputs
EQUALIZER
PHONO RIAA equalization curve
±0.5 dB
MULTI CHANNEL
INPUT 1, 2, CD/
SACD, TAPE, MD/
DAT, DVD, TV/SAT,
VIDEO 1, 2, 3
10 Hz – 40 kHz
±3 dB (8 ohms)
PHONO
S/N: 86 dB
MULTI CHANNEL
INPUT 1, 2, CD/
SACD, TAPE, MD/
DAT, DVD, TV/SAT,
VIDEO 1, 2, 3
S/N: 96 dB
DVD (Coaxial) Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
DVD, TV/SAT, MD/
DAT, VIDEO3
(Optical)
S/N: 100 dB
(A, 20 kHz LPF)
TAPE, MD/DAT
(AUDIO OUT),
VIDEO 1, 2 (AUDIO
OUT)
Voltage: 150 mV
Impedance: 2.2 kilohms
FRONT L/R (STR-
DA2000ES only), SUB
WOOFER
Voltage: 2 V
Impedance: 1 kilohm
Gain levels ±10 dB, 1 dB step
FM STEREO FM/AM RECEIVER
SPECIFICATIONS
STR-DA2000ES/DB2000
Ver 1.1 2003.12
9-961-061-02 Sony Corporation
2003L05-1 Home Audio Company
C 2003.12 Published by Sony Engineering Corporation
US Model
Canadian Model
STR-DA2000ES
AEP Model
UK Model
E Model
STR-DB2000
– Continued on next page –
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.
Photo: STR-DB2000

Table of Contents

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Sony STR-DB2000 Specifications

General IconGeneral
BrandSony
ModelSTR-DB2000
CategoryStereo Receiver
LanguageEnglish

Summary

Service Manual

Service Manual Ver 1.1 2003.12

Identifies the service manual version and release date.

Specifications

Details the technical specifications of the receiver.

Specifications

Safety Check-Out Procedures

AC Leakage Test

Servicing Notes

General Information

Location of Controls – Front Panel

Identifies and describes controls on the front panel.

Disassembly Procedures

3-1. Disassembly Flow

Provides a flowchart for the disassembly process.

Case Disassembly

Front Panel Section Disassembly

Test Modes

Test Mode Item Displays and Remarks

Electrical Adjustments

DC Offset Adjustment

Details the procedure for adjusting DC offset.

OSD Adjustment

Explains the procedure for adjusting OSD settings.

Adjustment and Connection Locations

Diagrams

Block Diagram - Audio (Analog) (1/2)

Shows the block diagram for the analog audio section.

Block Diagram - Audio (Analog) (2/2)

Block Diagram - Audio (Digital) (1/3)

Block Diagram - Audio (Digital) (2/3)

Block Diagram - Audio (Digital) (3/3)

Block Diagram - Pre Out Section

Block Diagram - Power Amp Section

Block Diagram - Video Section

Block Diagram - Panel Section

Block Diagram - Power Section

Notes on Printed Wiring Boards and Schematics

Schematic Diagram - 2CH. AU Board (1/3)

Schematic Diagram - 2CH. AU Board (2/3)

Schematic Diagram - 2CH. AU Board (3/3)

Schematic Diagram - Multi-Video Board (1/4)

Schematic Diagram - Multi-Video Board (2/4)

Schematic Diagram - Multi-Video Board (3/4)

Schematic Diagram - Multi-Video Board (4/4)

Schematic Diagram - Up Converter Board (STR-DA2000ES only)

Schematic Diagram - S-Video Board

Schematic Diagram - Digital Board (1/8)

Schematic Diagram - Digital Board (2/8)

Schematic Diagram - Digital Board (3/8)

Schematic Diagram - Digital Board (4/8)

Schematic Diagram - Digital Board (5/8)

Schematic Diagram - Digital Board (6/8)

Schematic Diagram - Digital Board (7/8)

Schematic Diagram - Digital Board (8/8)

Schematic Diagram - D. AMP Section (1/6)

Schematic Diagram - D. AMP Section (2/6)

Schematic Diagram - D. AMP Section (3/6)

Schematic Diagram - D. AMP Section (4/6)

Schematic Diagram - D. AMP Section (5/6)

Schematic Diagram - D. AMP Section (6/6)

Schematic Diagram - CIS Board (STR-DA2000ES only)

Schematic Diagram - Panel Section

Schematic Diagram - HP-V3 Board

Schematic Diagram - REG Board

IC Block Diagrams

Multi-Video Board IC Block Diagrams

Up Convert Board IC Block Diagrams

S-Video Board IC Block Diagrams

Digital Board IC Block Diagrams

Display Board IC Block Diagram

IC Pin Function Descriptions

IC Pin Function Descriptions (Continued)

Lists pin functions for IC2201 (continued).

Digital Board IC Pin Function Descriptions

Digital Board IC Pin Function Descriptions (Continued)

Continues pin functions for Digital board ICs.

D. Amp Board IC Pin Function Descriptions

D. Amp Board IC Pin Function Descriptions (Continued)

Continues pin functions for D. Amp board ICs.

Exploded Views

7-2. Front Panel Section

7-3. Base Panel Section

7-4. Power Block Section

7-5. Tuner Section

7-6. Back Panel Section

7-7. Chassis Section

7-8. Boards Section

Electrical Parts List

2CH. AU Electrical Parts List

Lists electrical components for the 2CH. AU board.

Electrical Parts List (Continued)

Digital Electrical Parts List

Lists electrical components for the Digital board.

D. Amp Electrical Parts List

Lists electrical components for the D. Amp board.

D. Amp Electrical Parts List (Continued)

Continues the electrical parts list for the D. Amp board.

Digital Electrical Parts List (Continued)

Continues the electrical parts list for the Digital board.

Electrical Parts List (CIS & Display)

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