Sony STR-K680 User Manual

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
AEP Model
UK Model
STR-K780
E Model
STR-K680/K780
Australian Model
STR-K780
MULTI CHANNEL AV RECEIVER
9-887-140-04
2006H16-1
© 2006.08
Ver. 1.3 2006.08
SPECIFICATIONS
STR-K680/K780
• STR-K680 is the tuner and the amplifier section
in HT-DDW680, STR-K780 is the tuner and the
amplifier section in HT-DDW780/HTP-36DW.
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of
Dolby Laboratories.
“DTS” and “DTS Digital Surround” are registered trademarks of
Digital Theater Systems, Inc.
— Continued on next page —
Photo : STR-K780
Amplifier section
Power Output
1)
Models of area code SP, SP6
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 70 W/ch
CENTER
2)
: 70W
SUR
2)
: 70 W/ch
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100 W/ch
CENTER
2)
:100 W
SUR
2)
: 100 W/ch
Models of area code AEP, UK, RU
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 85 W/ch
CENTER
2)
: 85 W
SUR
2)
8:5 W
/c
h
(6 ohms 1 kHz, THD 1
0
%)
FRONT
2)
: 122 W/ch
CENTER
2)
: 122 W
SUR
2)
: 122 W/c h
Models of area code AUS
(6 ohms 120 Hz–20 kHz, THD 0.09%)
FRONT
2)
: 50 W/ch
CENTER
2)
: 50 W
SUR
2)
: 50 W/ch
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 85 W/ch
CENTER
2)
: 85 W
SUR
2)
: 85 W/ch
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 122W/ch
CENTER
2)
: 12 2 W
SUR
2)
: 122W/ch
1)
Measured under the following conditions:
2)
Depending on the sound field settings and the
source, there may be no sound output.
Area code Power requirements
SP, SP6, AEP, UK, RU 230 V AC, 50 Hz
AR 230 V AC, 50 Hz
Models of area code E51, MX
Power Output
1)
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 70 W/ch
CENTER
2)
: 70 W
SUR
2)
: 70 W/ch
(6 ohms 100 Hz, THD 0.7%)
SUB WOOFER
2)
: 70 W
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100 W/ch
CENTER
2)
: 100 W
SUR
2)
: 100 W/ch
(6 ohms 100 Hz, THD 10%)
SUB WOOFER
2)
: 10 0 W
E51, AUS 240 V AC, 50 Hz
MX 127 V AC, 60 Hz
Models of area code AR
Power Output
1)3)
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: W/ch
1)
, 65 W/ch
3)
CENTER
2)
: W
1)
, 65 W
3)
SUR
2)
: W/ch
1)
, 65 W/ch
3)
(6 ohms 100 Hz, THD 0.7%)
SUB WOOFER
2)
: W
1)
, 65 W
3)
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100
100
100
100
W/ch
1)
, 90 W/ch
3)
CENTER
2)
: W
1)
, 90 W
3)
SUR
2)
:W/ch
1)
, 90 W/ch
3)
(6 ohms 100 Hz, THD 10%)
SUB WOOFER
2)
:W
1)
, 90 W
3)
3)
Measured under the following conditions:
Area code Power requirements
AR 220 V AC, 50 Hz
70
70
70
70

Sony STR-K680 Specifications

General

Type	AV Receiver
Channels	5.1
Impedance	6 Ohms
HDMI Inputs	4
HDMI Outputs	1
Audio Formats Supported	Dolby Digital, DTS
Weight	10.5 kg
Speaker load impedance	6-16 Ohms
Power Output	100W per channel
Tuning range	FM
Digital inputs	Optical, Coaxial
Video Connections	Composite, Component
Inputs	4 x HDMI, 2 x Optical, 1 Coaxial, 1 x Composite, 1 x Component
Outputs	1 x HDMI, 1 x Composite
Dimensions	430 x 156 x 329 mm

Summary

Specifications

Amplifier Specifications

Power output specifications for various area codes and models.

Tuner Specifications

Tuning ranges and frequencies for AM and FM reception.

General Specifications

Power requirements and consumption details by area code.

Component Handling and Safety

Safety-Related Component Warning

Warning about critical safety components marked with ▲.

Display Indicators Explained

Indicator Function Descriptions

Explains the meaning and function of various indicators on the receiver's display.

Rear Panel Connectivity

Remote Commander Operation

Remote Control Functions Overview

Details the operation of the supplied remote commander for receiver and A/V components.

Section 2: Test Mode Procedures

Factory Preset Mode

Resets all preset contents to default settings.

AM Channel Step Selection Mode

Selects between 9 kHz or 10 kHz step for AM tuning.

Fluorescent Indicator Tube Test Mode

Tests all segments of the fluorescent display tube.

Protector Mode Status

Indicates if the unit has entered a protective shutdown state.

Section 3: Diagrams and Schematics

3-1. Block Diagram - Main Section

Illustrates signal flow through the main section of the receiver.

Schematic Diagram - Digital Board (1/3)

Digital Circuitry Part 1

Detailed schematic of the first part of the digital circuitry.

Schematic Diagram - Digital Board (2/3)

Digital Circuitry Part 2

Detailed schematic of the second part of the digital circuitry.

Schematic Diagram - Digital Board (3/3)

Digital Circuitry Part 3

Detailed schematic of the third part of the digital circuitry.

Schematic Diagram - Main Board (1/3)

Main Circuitry Part 1

Detailed schematic of the first part of the main circuitry.

Schematic Diagram - Main Board (2/3)

Main Circuitry Part 2

Detailed schematic of the second part of the main circuitry.

Schematic Diagram - Main Board (3/3)

Main Circuitry Part 3

Detailed schematic of the third part of the main circuitry.

Schematic Diagram - Display, Tuning, Power Boards

Display/Tuning/Power Circuitry Schematics

Schematics for Display, Tuning, and Power Boards.

Schematic Diagram - Video Board

Video Circuitry Schematics

IC Pin Function Description

IC1101 (System Control) Pinout

Detailed pin function description for IC1101 on the Digital Board.

Section 5: Electrical Parts List

Electrical Parts List (Main & Headphone)

Electrical Parts List (Connectors & Diodes)

Electrical Parts List (Power & Tuning Boards)