Sony STR-DB830 - Fm Stereo/fm-am Receiver User Manual

STR-DB830/DB930/V929X
US Model
STR-DB930/DB830
Canadian Model
STR-DB930
AEP Model
STR-DB930/DB830
E Model
Australian Model
STR-DB930
Chinese Model
STR-V929X
SERVICE MANUAL
FM STEREO FM-AM RECEIVER
— Continued on next page —
SPECIFICATIONS
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
Ver 1.1 2002. 02
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-928-896-12
2002B1600-1
© 2002.02
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION : With 8
Ω loads, both channels driven, from 20 - 20,000 Hz ; rated 110 W
(STR-DB930) and 100 W (STR-DB830) per channel minimum
RMS power, with no more than 0.05 % total harmonic distortion
from 250 mW to rated output (USA model only).
Amplifier section
POWER OUTPUT
Stereo mode
North American model
(8 Ω 20 Hz - 20 kHz, THD 0.05 %)
STR-DB930 : 110 W + 110 W
STR-DB830 : 100 W + 100 W
(4 Ω 20 Hz - 20 kHz, THD 0.05 %)
STR-DB930 : 100 W + 100 W
STR-DB830 : 90 W + 90 W
Other model
100 W + 100 W (8 ΩDIN 1kHz)
100 W + 100 W (4 ΩDIN 1kHz)
90 W + 90 W (8 Ω 20Hz-20kHz,thd0.05%)
90 W + 90 W (4 Ω 20Hz-20kHz,thd0.05%)
Surround mode
North American model
(8 Ω 20 Hz - 20 kHz, THD 0.09 %)
STR-DB930 : Front : 110 W + 110 W
Center
a)
: 110 W
Rear
a)
: 110 W + 110 W
STR-DB830 : Front : 100 W + 100 W
Center
a)
: 100 W
Rear
a)
: 100 W + 100 W
(4 Ω 20 Hz - 20 kHz, THD 0.09 %)
STR-DB930 : Front : 100 W + 100 W
Center
a)
: 100 W
Rear
a)
: 100 W + 100 W
STR-DB830 : Front : 90 W + 90 W
Center
a)
: 90 W
Rear
a)
: 90 W + 90 W
Other model
(8 Ω 20 Hz - 20 kHz, THD 0.09 %)
Front : 90 W + 90 W
Center
a)
: 90 W
Rear
a)
: 90 W + 90 W
(4 Ω 20 Hz - 20 kHz, THD 0.05 %)
Front : 90 W + 90 W
Center
a)
: 90 W
Rear
a)
: 90 W + 90 W
a) Depending on the sound field settings and the source, there may be no
sound output.
Dynamic power output
STR-DB930 : 165 W + 165 W, 8 Ω
250 W + 250 W, 4 Ω
STR-DB830 : 155 W + 155 W, 8 Ω
240 W + 240 W, 4 Ω
Frequency response
PHONO : RIAA
equalization curve ±0.5 dB
CD, TAPE, MD/DAT, TAPE/MD, DVD/LD, TV/SAT, VIDEO
1,2, andVIDEO3:
10 Hz - 50 kHz + 0.5/-2
dB(with sound field, equalizer, and
bass boost bypassed)
Inputs(Analog)
PHONO :
Sensitivity : 2.5 mV
Impedance : 50 kΩ
S/N
b)
: 86 dB(A, 2.5 mV
c)
)
Photo : STR-DB930 (BLACK model)

Sony STR-DB830 - Fm Stereo/fm-am Receiver Specifications

General

Impedance	8 ohms
Speaker load impedance	8 ohms
Digital inputs	2 Optical, 1 Coaxial
Tuning range	FM: 87.5 MHz - 108.0 MHz, AM: 531 kHz - 1, 602 kHz
Frequency response	10Hz to 100kHz
Total harmonic distortion	0.09%
Input sensitivity	150 mV
Dimensions	430 x 157.5 x 401mm
Damping factor	40
Video Connections	composite, S-Video
Power output	100 watts per channel (8 ohms, 20 Hz - 20 kHz, THD 0.09%)

Summary

Specifications

Audio Power Specifications

Specifications for power output and harmonic distortion.

Amplifier Section Power Output

Power output ratings for stereo and surround modes.

Dynamic Power Output

Power output under dynamic load conditions.

Frequency Response

Frequency response range for various input sources.

Model Identification

Model Parts Numbers

Listing of model numbers and associated parts numbers.

Safety Check-Out

Leakage Test Procedure

Procedure for checking AC leakage current and limits.

Section 1 General

Identifying the Parts

Identification of front panel controls and indicators.

Section 3 Test Mode

Test Mode Procedures

Section 4 Diagrams

4-1. Block Diagram Main Section

Block diagram illustrating the main section's signal flow.

Schematic Diagram Digital Section (1/3)

Digital Board Schematic (Part 1)

Schematic Diagram Digital Section (2/3)

Digital Board Schematic (Part 2)

Schematic Diagram Digital Section (3/3)

Digital Board Schematic (Part 3)

Schematic Diagram Display Section

Display Board Schematic

Schematic Diagram Speaker Switch Section

Speaker Switch Schematics

Schematic Diagram Rear Amp Section

Rear Amp Board Schematic

Schematic Diagram Power Section

Power Section Schematics

Schematic Diagram Video Section

Video Section Schematics

Schematic Diagram Main Section (1/2)

Main Board Schematic (Part 1)

Schematic Diagram Main Section (2/2)

Main Board Schematic (Part 2)

IC Pin Function Description

IC1401 CXD2712R Audio DSP

Pin function description for IC1401 (CXD2712R).

IC Block Diagrams

IC1206 NJM2103M (Digital Board)

Various IC Block Diagrams

Display IC Block Diagrams

IC1 BU1924F (Tuner Board)

Section 5 Exploded Views

5-1. Front Panel Section

Exploded view of the front panel assembly.

Section 6 Electrical Parts List

4/8 AC DC Board Parts

Electrical parts list for 4/8, AC, and DC boards.