Sony STR-DE835 Service Manual

STR-DE835/DE935/SE591/V828
US Model
STR-DE835/DE935/SE591
Canadian Model
STR-DE835/DE935
E Model
Australian Model
PX Model
STR-DE835
Chinese Model
STR-V828
SERVICE MANUAL
FM STEREO FM-AM RECEIVER
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
9-928-901-12
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-DE935) and 100 W(STR-DE835/SE591) per channel minimum
RMS power, with no more than 0.09% toral harmonic distortion from 250
mW to rated output (USA model only).
Amplifier section
POWER OUTPUT
Stereo mode (8Ω 20Hz – 20kHz, THD 0.09%)
USA, Canadian models
STR-DE935 : 110W + 110W
STR-DE835/SE591 : 100W + 100W
Other models
95W + 95W
(8Ω 20Hz-20kHz, THD 0.09%)
135W + 135W
(8Ω at 1kHz, THD 10%)
Surround mode USA, Canadian models
(8Ω at 1kHz, THD 0.8%)
STR-DE935
Front: 110W + 110W
Center
a)
: 110W
Rear
a
): 110W + 110W
STR-DE835/SE591
Front: 100W + 100W
Center
a)
: 100W
Rear
a
): 100W + 100W
Other models
Rated power
(8Ω at 1kHz, THD 0.7%)
Front: 100W + 100W
Center
a)
: 100W
Rear
a
): 100W + 100W
Reference
(8Ω 20Hz-20Hz, THD 0.9%)
Front: 95W + 95W
Center
a)
: 95W
Rear
a
): 95W + 95W
(8Ω at 1kHz, THD 10%)
Front: 135W + 135W
Center
a)
: 135W
Rear
a
): 135W + 135W
a) Depending on the sound field settings and the source, there may be no
sound output.
Dynamic power output
STR-DE935 : 165W + 165W, 8Ω
250W + 250W, 4Ω
STR-DE835/SE591 : 155W + 155W, 8Ω
240W + 240W, 4Ω
Frequency response PHONO: RIAA
equalization curve ±0.5 dB
CD, TAPE, MD/DAT, TAPE/MD, DVD/LD,
TV/SAT, VIDEO 1, 2, and VIDEO 3(STR-
DE935 only):
10Hz – 50kHz + 0.5/–2dB (with sound field,
equalizer, and bass boost bypassed)
Photo : STR-DE935
— Continued on next page —

Sony STR-DE835 Specifications

General

Preset Stations	30
Power Output	100 W per channel (8 ohms)
Tuning range	FM, AM
Input Sensitivity	200 mV (line)
Speaker load impedance	8 ohms
Digital inputs	optical, coaxial
Video Connections	Composite video in/out

Summary

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

Detailed power output and total harmonic distortion figures for various models and configurations.

General Specifications

Technical specifications including inputs, outputs, tuner details, and power requirements.

MODEL IDENTIFICATION

Lists different model numbers and their corresponding parts identification.

SAFETY CHECK-OUT (US model only)

LEAKAGE

Procedure for checking AC leakage from exposed metal parts to ground.

SAFETY-RELATED COMPONENT WARNING!!

Critical components for safe operation identified by mark ▲.

SECTION 1 GENERAL

Identifying the Parts

Identifies various controls and connectors on the front panel of the unit.

SECTION 2 SERVICING NOTE

Important Servicing Notes

Important notes regarding servicing procedures and safety precautions.

SECTION 3 TEST MODE

DSP TEST MODE

Tests the functionality of the Digital Signal Processor (DSP) by outputting test data.

FACTORY SET MODE

Resets all preset contents to the default factory settings.

ALL CLEAR MODE

Clears all preset contents, used before returning the product to the client.

SOUND FIELD CLEAR MODE

Clears preset sound field settings before returning the product to the client.

SECTION 4 DIAGRAMS

4-1. BLOCK DIAGRAM MAIN SECTION

High-level block diagram illustrating the main signal paths and components.

4-3. CIRCUIT BOARD LOCATION

Diagrams showing the physical placement of various circuit boards within the unit.

4-4. SCHEMATIC DIAGRAM DIGITAL SECTION(1/3)

Detailed schematic for the digital section, part 1 of 3.

4-7. PRINTED WIRING BOARD DIGITAL SECTION (1/2)

Printed wiring board layout for the digital section, part 1 of 2.

4-14. SCHEMATIC DIAGRAM REAR AMP SECTION

Schematic diagram for the rear amplifier section.

4-19. PRINTED WIRING BOARD MAIN SECTION

Printed wiring board layout for the main processing section.

4-22. IC PIN FUNCTION DESCRIPTION IC1401 CXD2712R AUDIO DSP(DIGITAL BOARD)

Pin function details for the CXD2712R Audio DSP IC.

4-23. IC BLOCK DIAGRAMS

Block diagrams illustrating the internal structure of key IC components.

SECTION 5 EXPLODED VIEWS

5-1. FRONT PANEL SECTION

Exploded view of the front panel assembly with part numbers.

5-2. CHASSIS SECTION

Exploded view of the chassis assembly with part numbers.

SECTION 6 ELECTRICAL PARTS LIST

Parts List Categories

Lists capacitors, resistors, semiconductors, and other components with part numbers.

ACCESSORIES & PACKING MATERIALS

List of included accessories and packing materials with part numbers.

SUPPLEMENT-1

Correction Content

Contains corrections and additions to the main service manual.

REVISION HISTORY

Revision Records

Records changes and updates made to the service manual over different versions.