Sony STR-KG800 User Manual

SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
STR-KG800
SPECIFICATIONS
MULTI CHANNEL AV RECEIVER
9-887-956-01
2008B05-1
©
2008.02
AEP Model
UK Model
Ver. 1.0 2008.02
• STR-KG800 is the receiver section in
HT-DDWG800.
– Continued on next page –
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround
System.
* Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, and the double-D sym-
bol are trademarks of Dolby Laboratories.
** Manufactured under license under U.S. Patent #’s: 5,451,942; 5,956,674; 5,974,380; 5,978,762;
6,487,535 & other U.S. and worldwide patents issued & pending. DTS and DTS Digital Sur-
round are registered trademarks and the DTS logos and Symbol are trademarks of DTS, Inc.
© 1996-2007 DTS, Inc. All Rights Reserved.
This receiver incorporates High-Defi nition Multimedia Interface (HDMITM) technology.
HDMI, the HDMI logo and High-Defi nition Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing LLC.
“x.v.Colour” and “x.v.Colour” logo are trademarks of Sony Corporation.
“BRAVIA” and are trademarks of Sony Corporation.
Amplifi er section
Power Output
1)
Models of area code CEL, CEK
Stereo mode (rated) (6 ohms, 1 kHz, THD 1%)
90 W + 90 W
Surround mode (reference) (6 ohms, 1 kHz, THD
10%)
RMS output
2)
FRONT:135 W
per channel
CENTER:135 W
SURROUND:135 W
per channel
1)
Measured under the following conditions:
Area code Power requirements
CEL, CEK 230 V AC, 50 Hz
2)
Reference power output for front, center and
surround speakers. Depending on the sound
fi eld settings and the source, there may be no
sound output.
Inputs
Analog Sensitivity: 800 mV/
50 kohms
Digital (Coaxial) Impedance: 75 ohms
Outputs (Analog)
AUDIO OUT Voltage: 800 mV/
10 kohms
SUB WOOFER Voltage: 2 V/1 kohm
Reproduction frequency range:
28 – 20,000 Hz
Tone
Gain levels ±6 dB, 1 dB step
FM tuner section
Tuning range 87.5 - 108.0 MHz
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Models of area code CEL, CEK
With 9-kHz tuning scale:
531 – 1,602 kHz
Antenna Loop antenna
Intermediate frequency
450 kHz
Video section
Inputs/Outputs
Video: 1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
PB/CB: 0.7 Vp-p, 75 ohms
PR/CR: 0.7 Vp-p, 75 ohms
80 MHz HD Pass Through

Sony STR-KG800 Specifications

General

Channels	5.1
Tuner Presets	30
Audio Formats Supported	Dolby Digital, DTS
Outputs	subwoofer output, headphone jack
Tuner	AM/FM
Dimensions	43 cm x 15.75 cm x 31.5 cm
Dimensions (W x H x D)	43 cm x 15.75 cm x 31.5 cm

Summary

Servicing Notes

Handling Unleaded Solder

Information on the characteristics and handling of unleaded solder.

Lead Free Mark Identification

Explanation of the lead-free mark found on components.

Component Replacement Guidelines

Specific instructions for replacing critical IC components on boards.

General Information and Controls

Front Panel Overview

Identification and function of front panel controls and indicators.

Display Indicators Explained

Detailed explanation of the various indicators on the display.

Rear Panel Connectivity

Description of all input/output terminals on the rear panel.

Remote Commander Operation

Functions and operations of the supplied remote commander.

Disassembly and Internal Structure

Unit Disassembly Flow

General sequence for disassembling the unit.

Case Removal Procedure

Step-by-step guide for removing the external case.

Back Panel Block Removal

Instructions for detaching the back panel assembly.

Front Panel Block Removal

Instructions for detaching the front panel assembly.

Main Block and Main Board Removal

Guidance on removing the main internal chassis and board.

Test Modes and Electrical Checks

Diagnostic Test Modes

Procedures for FL Check, Version Check, Key Check, and DCAC modes.

FM Auto Stop Electrical Check

Procedure for checking FM tuner operation via automatic scanning.

System Diagrams

Main Section Block Diagram

Overview of the main processing and signal flow.

HDMI Section Block Diagram

Detailed block diagram of the HDMI interface circuitry.

DSP Section Block Diagram

Block diagram illustrating the Digital Signal Processing functions.

Audio Section Block Diagram

Diagram showing the audio signal paths and processing stages.

Power Supply Block Diagram

Block diagram of the power supply unit and its regulators.

Exploded Views and Parts Lists

Front Panel Exploded View

Visual breakdown of front panel parts with references.

Back Panel Exploded View

Visual breakdown of back panel parts and connectors.

Main Section Exploded View

Visual breakdown of main internal chassis and components.

Electrical Parts Listing

Comprehensive list of all electrical components by board.