Sony STR-DE875 Service Manual

STR-DE875/DE975
US Model
Canadian Model
STR-DE875/DE975
AEP Model
UK Model
E Model
Chinese Model
Australian Model
STR-DE875
SERVICE MANUAL
FM STEREO FM-AM RECEIVER
9-873-911-11
2001E1600-1
© 2001.5
— Continued on next page —
SPECIFICATIONS
Ver 1.0 2001. 05
Dolby Laboratories Licensing Corporation.
“DOLBY” the double-D symbol ; “AC-3” and “PRO LOGIC”
are trademarks of Dolby Laboratories Licensing Corporation.
Photo : BLACK
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group
AUDIO POWER
SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both
channels driven, from 20 -
20,000 Hz; rated 110 watts
(STR-DE975) and 100 watts
(STR-DE875) per channel
minimum RMS power,
with no more than 0.09 %
total harmonic distortion
from 250 milliwatts to
rated output (USA model
only).
Amplifier section
Rated Power Output at Stereo mode
(8 ohms 20 Hz - 20 kHz,
THD 0.09%)
STR-DE975:
110 W + 110W
STR-DE875:
100 W + 100W
Reference Power Output
(8 ohms at 1 kHz, THD
0.7%)
STR-DE975:
Front
1)
: 110 W/ch
Center
1)
: 110 W
Surround
1)
: 110 W/ch
STR-DE875:
Front
1)
: 100 W/ch
Center
1)
: 100 W
Surround
1)
: 100 W/ch
1) Depending on the sound field settings and
sources, there may be no sound output.
Frequency response
PHONO: RIAA
equalization curve
±0.5 dB
Inputs (Analog)
PHONO:
Sensitivity: 4.0 mV
Impedance:
50 kilohms
S/N
a)
: 86 dB
(A, 4.0 mV
b)
)
MULTI CH IN,
CD/SACD, DVD/LD,
MD/DAT*, MD/TAPE**,
TV/SAT, VIDEO 1,
VIDEO 2 VIDEO 3*:
Sensitivity: 250 mV
Impedance: 50 kilohms
S/N
a)
: 96 dB(A, 250 mV
b)
)
a) Input short.
b) Weighted network, input level
US, Canadian MODELS
AEP, UK MODELS :
Rated Power Output at Stereo mode
(8 ohms 1 kHz, THD
0.7%)
100 W + 100 W
Reference Power Output
(8 ohms 1 kHz, THD
0.7%)
Front
: 100 W/ch
Center
: 100 W
Surround
: 100 W/ch
Chinese MODEL :
Rated Power output at Stereo mode
(8 ohms 1 kHz, THD
0.7%)
90 W + 90 W
(at 220 V AC, 50 Hz)
100 W + 100 W
(at 230 V AC, 50 Hz)
Reference Power output
(8 ohms 1 kHz, THD
10% at 230 V AC, 50
Hz)
Front
: 110 W/ch
Center
: 110 W
Surround
: 110 W/ch
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD
100 W + 100
W
Reference Power Output
(8 ohms 1 kHz, THD
FRONT :
110 W/ch
CENTER
: 110 W
SURROUND :
110 W/ch
0.7 %)
10 %)
Others :
AEP, UK MODELS :
Others :
Frequency response
PHONO: RIAA
equalization curve
±0.5 dB
MULTI CH IN,
CD/SACD, MD/TAPE,
DVD/LD, TV/SAT,
VIDEO 1, VIDEO 2 :
10 Hz - 100 kHz +0.5/–3 dB
(with sound field,
and equalizer by passed)
MULTI CH IN,
CD/SACD, MD/DAT*,
MD/TAPE**,
DVD/LD, TV/SAT,
VIDEO 1, VIDEO 2
VIDEO 3*:
10 Hz - 50 kHz +0.5/–2 dB
(with sound field
and equalizer by passed)

Sony STR-DE875 Specifications

General

Brand	Sony
Model	STR-DE875
Category	Receiver
Language	English

Summary

Specifications Overview

General System Information

System Architecture and Power Details

Describes system sections, power requirements, and consumption.

Safety Check-Out Procedures

AC Leakage Testing Procedure

Instructions for checking AC leakage from exposed metal parts to earth ground.

Front Panel Controls and Operation

Additional Front Panel Controls

Service Test Modes

Preset, Channel Step, and Display Test Modes

Covers preset reset, AM channel step, and display test modes.

Demonstration, Key Check, and Auto Modes

Details demonstration, version display, key check, and autobetical modes.

Diagrams and Board Locations

Circuit Board Location Diagram

Illustrates the placement of various circuit boards within the unit.

Block Diagrams

Main Section Block Diagram

Shows the functional blocks and signal flow for the main section.

Printed Wiring Boards - Digital Section

Digital Board Layout (Side A & B)

Shows the physical layout and component placement for the digital board.

Schematic Diagrams - Digital Section

Printed Wiring Boards - Main Section

Main and Headphone Board Layouts

Shows physical layout for the main board and headphone board.

Schematic Diagrams - Main Section

Printed Wiring Boards - Display Section

Display, Jog, and Power Switch Board Layouts

Shows physical layout for display, jog, and power switch boards.

Schematic Diagrams - Display Section

Printed Wiring Boards - Video Section

S-Video and Video Board Layouts

Shows physical layout for the S-video and video boards.

Schematic Diagrams - Video Section

Printed Wiring Boards - Speaker Section

Speaker, 2nd Audio, and Video 3 Board Layouts

Shows physical layout for speaker, 2nd audio, and video 3 boards.

Schematic Diagrams - Speaker Section

Printed Wiring Boards - Power Section

Standby and AC Select Board Layouts

Shows physical layout for standby and AC select boards.

Schematic Diagrams - Power Section

IC Block Diagrams

Digital Section IC Block Diagrams

Block diagrams for key ICs in the digital section, showing internal functions.

Digital Section IC Block Diagrams (Cont.)

Block diagrams for additional ICs in the digital section, detailing signal processing paths.

Various Section IC Block Diagrams

Block diagrams for ICs in display, main, and video sections, illustrating their functions.

Video Section IC Block Diagrams

Block diagrams for ICs in the video section, detailing signal generation and processing.

IC Pin Function Descriptions

Exploded Views

Front Panel Assembly Exploded View

Exploded view showing the front panel components and their assembly.

Chassis Assembly Exploded View

Exploded view illustrating the chassis components and their assembly.

Chassis Section Parts List

Detailed part numbers and descriptions for chassis components.

Electrical Parts List

2nd Audio and AC Select Board Parts

List of components for 2nd audio and AC select boards.

Digital Board Resistors, Connectors, and Diodes

Digital Board Ferrite Beads, ICs, and Coils

Digital Board Transistors and Resistors

Digital Board Resistors (Part 1)

Digital Board Resistors (Part 2)

Digital Board Resistors, Vibrator, ICs, and Capacitors

Display, Headphone, Jog, and Main Board Parts

Main Board Capacitors (Part 1)

Main Board Capacitors, Connectors, and Diodes

Main Board ICs, Jacks, and Transistors

Main Board Resistors (Part 1)

Main Board Resistors (Part 2)

Main Board Resistors (Part 3)

Main, Power Switch, and Speaker Board Parts

Standby Board Parts

Standby Board Components (Diodes, Fuses, Holders)

S-Video Board Parts

Video Board Components

Video Board Components (Cont.)

Video 3 Board and Miscellaneous Parts