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Samsung HT-X250 Service Manual

Samsung HT-X250
74 pages
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DVD RECEIVER AMP
Basic Model : HT-X250
SERVICE
Manual
DVD RECEIVER AMP SYSTEM Features
*
Multi-Disc Playback & FM Tuner
* DVD-Audio compatible
*
USB Host support
* Dolby Pro Logic II
* DTS (Digital Theater Systems)
* TV Screen Saver Function
* Power Saving Function
* Customized TV Screen Display
* HDMI
* AV SYNC Function
*
Anynet+(HDMI-CEC) Function
- Confidential -
MODEL : HT-X250
* Application : HT-X200/X250
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Questions and Answers:

Samsung HT-X250 Specifications

General IconGeneral
Audio decodersDolby Digital, Dolby Pro Logic II, DTS
RMS rated power600 W
Audio output channels5.1 channels
Audio formats supportedMP3, WMA
Center speaker RMS power100 W
USB version2.0
Supported radio bandsFM
Radio Data System (RDS)No
Number of optical discs1 discs
Optical disc player typeDVD player

Summary

Precautions

Safety Precautions

Detailed safety guidelines for handling and servicing the unit.

Servicing Precautions

Guidelines for safe and proper repair procedures.

ESD Precautions

Handling procedures to prevent damage from static electricity.

Laser Product Safety

Warnings and precautions related to laser product safety.

HDD Precautions

Precautions for data maintenance and handling of HDDs.

Product Description

Features

Overview of the product's key features and capabilities.

Product Functions

Speaker Connection

How to connect the speakers to the unit.

Main Functions

Explanation of core operational functions like disc playback.

Audio/Subtitle Language Selection

How to choose audio and subtitle tracks for discs.

Adjustments

DVD Flash Initialization and Update

Procedure for initializing DVD flash and updating firmware.

Disassembly Guide

Separate Cabinet Top

Step-by-step guide to disassembling the cabinet top.

Separate Rear Cover

Step-by-step guide to disassembling the rear cover.

Separate Chassis Back

Step-by-step guide to disassembling the chassis back.

Separate PCB

Step-by-step guide to disassembling the PCB.

Troubleshooting

Main Unit Issues

Troubleshooting flowchart for main unit problems.

Output Problems

Troubleshooting flowchart for output issues.

Power Protection Issues

Diagnosing and resolving power protection problems.

Fan Error Troubleshooting

Troubleshooting steps for fan error messages.

Communication Failure

Troubleshooting for communication errors between components.

Voltage Failure

Troubleshooting steps for voltage-related failures.

Exploded Views and Parts List

Exploded View

Visual diagram showing component assembly.

Parts List

List of all parts with part numbers and quantities.

Block Diagram

System Block Diagram

Overall system block diagram.

Wiring Diagram

Wire Sheet

Detailed wiring schematic of the system.

PCB Diagram

Main PCB Layout

Printed circuit board layout for the main unit.

Main PCB Description

Detailed description of the main PCB and its connectors.

Schematic Diagrams

Main MPEG Schematic

Schematic diagram for the main MPEG section.

Main MICOM Schematic

Schematic diagram for the main MICOM section.

Main HDMI Schematic

Schematic diagram for the main HDMI section.

Main DSP Schematic

Schematic diagram for the main DSP section.

Main AMP Schematic

Schematic diagram for the main amplifier section.

Main Jack 1 Schematic

Schematic diagram for the main jack connections (part 1).

Main Jack 2 Schematic

Schematic diagram for the main jack connections (part 2).

Main LED Schematic

Schematic diagram for the main LED display.

Key Schematic

Schematic diagram for the front panel key controls.

SMPS Schematic

Schematic diagram for the Switched-Mode Power Supply.

Circuit Board Descriptions

PCB Assembly Layout

Visual layout of the main PCB assembly.

SMPS, Main, Front PCB Functions

Functional overview of SMPS, Main, and Front PCBs.

Amp, HDMI, Video PCB Functions

Functional overview of Amp, HDMI, and Video sections.

New Functions

USB Entertainment Features

Describes USB features like movie playback and DRM-free host.

Wireless Home Theater System

Highlights wireless ready home theater system capabilities.

HDMI Features

Explains HDMI features like digital streaming and CEC.

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