Sony STR-DE635 Service Manual

STR-DE635
US Model
Canadian Model
AEP Model
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
9-928-897-12
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 80 W
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
Stereo mode USA, Canadian models:
(8Ω 20Hz – 20kHz, THD 0.09%)
80W + 80W
AEP model:
(4Ω DIN, 1kHz)
70W + 70W
Surround mode USA, Canadian models:
(8Ω at 1kHz, THD 0.8%)
Front: 80W + 80W
Center
a)
: 80W
Rear
a)
: 80W + 80W
AEP model:
(4Ω DIN, 1kHz)
Front: 70W + 70W
Center
a)
: 70W
Rear
a)
: 70W + 70W
a) Depending on the sound field settings and the source, there may be no
sound output.
Dynamic power output 145W + 145W, 8Ω
210W + 210W, 4Ω
Frequency response PHONO: RIAA
equalization curve ±0.5 dB
USA, Canadian models:
CD, MD/TAPE, DVD/LD, TV/SAT,
VIDEO1,2:
AEP model:
CD, MD/TAPE, DVD, TV/LD, VIDEO1,2:
10Hz – 50kHz + 0.5/–2dB (with sound field,
equalizer, and bass boost bypassed)
Inputs (Analog) PHONO:
Sensitivity: 2.5mV
Impedance: 50kΩ
S/N
b)
: 86dB (A, 2.5mV
c)
)
USA, Canadian models:
5.1CH INPUT, CD,DVD/LD,MD/TAPE,TV/
SAT,VIDEO1,2:
AEP model
5.1CH INPUT, CD,DVD,MD/TAPE,TV/
LD,VIDEO1,2:
Sensitivity: 150mV
Impedance: 50kΩ
S/N
b)
: 96dB (A, 150mV
c)
)
b) Input short
c) Weighted network, input level

Sony STR-DE635 Specifications

General

Impedance	8 ohms
Total Harmonic Distortion	0.09%
Speaker Load Impedance	8 ohms
Video Connections	Composite
Power Output	100W + 100W (8 ohms, 20Hz-20kHz, THD 0.09%)
Inputs	Video 1, Video 2, Video 3
Dimensions	430 x 157.5 x 295 mm
Tuning Range	FM
Input Sensitivity	2.5mV (MM), 150mV (line)
Digital Inputs	Optical x 1, Coaxial x 1

Summary

Specifications

Audio Power and Distortion Specifications

Details on power output and harmonic distortion for different modes.

Amplifier and Input Specifications

Covers amplifier section details and analog input specifications.

Tuner and General System Specifications

Tuning ranges, sensitivity, general system specs like power consumption.

Safety Procedures

AC Leakage Safety Check

Procedures for checking AC leakage on exposed metal parts.

Safety Component Warning

Warning about critical components for safe operation.

General Information

Front Panel Controls Identification

Labels and functions of controls on the front panel.

Service Notes and Test Modes

Servicing Notes

Important notes for servicing the unit, especially the digital board.

Test Modes Overview

Procedures for activating various test modes.

Fluorescent Indicator Tube Test Mode

Test mode for checking all fluorescent segments.

Factory Set and All Clear Modes

Resets preset contents to default or clears them for client release.

DSP, Autobetical, and Version Modes

Tests DSP, scans broadcasts (AEP), or displays version number.

Diagrams and Schematics

Block Diagrams

Overall block diagrams of main and power sections.

Circuit Board Locations

Diagrams showing the physical location of circuit boards.

Schematic and Printed Wiring Board Diagrams

Detailed schematics and PWB layouts for various sections.

IC Pin Function Descriptions

Detailed pinout descriptions for key integrated circuits.

IC Block Diagrams

Block diagrams for specific integrated circuits.

Exploded Views

Front Panel Exploded View

Detailed breakdown of the front panel assembly.

Chassis Exploded View

Breakdown of the main chassis components.

Electrical Parts List

Capacitors and Connectors

Lists of capacitors and connectors with part details.

Diodes, Fuses, and Transistors

Lists of diodes, fuses, transistors, and resistors.

Integrated Circuits (ICs) and Resistors

Lists of integrated circuits and resistors with part details.

Miscellaneous Components

Lists of miscellaneous parts like cords, manuals, and hardware.

Revision History

Manual Revision Log

Record of changes and updates to the service manual.