Sony STR-DE545 Service Manual

1
STR-DE445/DE545/SE501
US Model
STR-DE445/DE545/SE501
Canadian Model
AEP Model
UK Model
STR-DE445/DE545
E Model
Australian Model
Chinese Model
PX Model
STR-DE545
FM STEREO FM-AM RECEIVER
SERVICE MANUAL
SPECIFICATIONS
Dolby Laboratories Licensing Corporation.
“DOLBY” the double-D symbol ; “AC-3” and “PRO LOGIC”
are trademarks of Dolby Laboratories Licensing Corporation.
Photo: STR-DE445
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
With 8 Ω loads, both channels driven, from
20 – 20,000 Hz; rated 100
a)
W per channel
minimum RMS power, with no more than
0.09% total harmonic distortion from 250
mW to rated output (US model only).
STR-DE445:
a) 80 W
Amplifier section
Rated Power Output at Stereo mode
US model:
(8 Ω 20 Hz – 20 kHz, THD
0.09 % )
EXCEPT US:
(8 Ω 1 kHz, THD 0.7 %)
STR-DE545/SE501:
100 W + 100 W
STR-DE445:
80 W + 80 W
Reference Power Output
(8Ω at 1 kHz, THD 0.7 %)
STR-DE545/SE501:
Front: 100 W + 100 W
Center: 100 W
Rear: 100 W + 100 W
STR-DE445:
Front: 80 W + 80 W
Center: 80 W
Rear: 80 W + 80 W
Frequency response
CD, MD/TAPE, DVD/LD, TV/
SAT, VIDEO, AUX:
10 Hz – 50 kHz +0.5/–2 dB
(with sound field, tone, and
bass boost bypassed)
Inputs (Analog) 5.1 CH INPUT, CD, DVD/LD,
MD/TAPE, TV/SAT, VIDEO,
AUX:
Sensitivity: 250 mV
Impedance: 50 kΩ
S/N
b)
: 96 dB (A, 250 mV
c)
)
b) Input short.
c) Weighted nework, input level.
Inputs (Digital) DVD/LD (coaxial):
Sensitivity: —
Impedance: 75 Ω
S/N: 100 dB (A, 20 kHz LPF)
DVD/LD, TV/SAT* (Optical):
Sensitivity: —
Impedance: —
S/N: 100 dB (A, 20 kHz LPF)
*) STR-DE545 and STR-SE501 only.
Outputs MD/TAPE, (REC OUT); VIDEO
(AUDIO OUT):
Voltage: 250 mV,
Impedance: 10 kΩ
SUB WOOFER:
Voltage: 2 V
Impedance: 1 kΩ
PHONES:
Accepts low- and high-
impedance headphones
BASS BOOST +6 dB at 70 Hz
TONE ±6 dB at 100 Hz and 10 kHz
Sampling Frequency
48 kHz
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna terminals 75 Ω, unbalanced
Sensitivity Mono: 18.3 dBf, 2.2 µV/75 Ω
Stereo: 38.3 dBf, 22.5 µV/75 Ω
Usable sensitivity 11.2 dBf, 1 µV/75 Ω
S/N Mono: 76 dB
Stereo: 70 dB
Harmonic distortion at 1 kHz
Mono: 0.3 %
Stereo: 0.5 %
Separation 45 dB at 1 kHz
Frequency response
30 Hz – 15 kHz
+0.5/–2 dB
Selectivity 60 dB at 400 kHz
— Continued on next page —

Sony STR-DE545 Specifications

General

Impedance	8 ohms
Total Harmonic Distortion	0.09%
Tuning Range	FM, AM
Input Sensitivity	250 mV (line)
Speaker Load Impedance	8 ohms
Video Connections	Composite
Frequency Response	10 Hz - 50 kHz
Inputs	4 Audio, 3 Video
Outputs	2 Audio, 1 Video
Digital Inputs	1 optical, 1 coaxial
Dimensions	430 x 298 mm
Power Output	100W per channel (8 ohms, 20 Hz - 20 kHz, THD 0.09%)

Summary

Product Specifications

Audio Power and Amplifier Specifications

Details power output, THD, and amplifier section specifications.

FM Tuner Specifications

Specifies tuning range, sensitivity, S/N, and harmonic distortion for FM tuner.

AM Tuner and General Specifications

Specifies AM tuner range and covers general system, power, and dimension specs.

Safety Check-out Procedures

AC Leakage Measurement Methods

Describes three methods to measure AC leakage current.

Section 1: General Information and Panel Layout

Front Panel Controls and Indicators

Identifies front panel buttons, knobs, and indicators with their functions.

Rear Panel Connectors and Jacks

Details all input/output connectors and switches on the rear panel.

Section 2: Test Modes and System Reset

Various Test Mode Activations

Procedures for activating software version, fluorescent tube, clear, and factory modes.

Section 3: Diagrams and Schematics

Circuit Board Locations and Block Diagrams

Shows circuit board layout and high-level block diagrams.

Printed Wiring and Schematic Diagrams

Detailed diagrams for Digital, Main, Display, Video/Key, and Power Supply boards.

IC Pin Functions and Block Diagrams

Details pin functions and block diagrams for key integrated circuits.

Section 4: Exploded Views

Front Panel Exploded View

Exploded diagram showing parts of the front panel assembly.

Chassis Exploded View

Exploded diagram illustrating the chassis and internal component layout.

Section 5: Electrical Parts List

AC SEL, DIGITAL, and Main Board Parts

Lists electrical components for AC SEL, DIGITAL, and Main boards.

Other Board Components and Accessories

Lists parts for STBY, S-VIDEO, TUNER, VIDEO boards, and accessories.

Accessories and Hardware

Included Accessories List

Lists included accessories such as remote commander and antenna.

Hardware List

Lists screws and other hardware supplied with the unit.