Samsung DVD-HR753 Service Manual

DVD-RECORDER
ΠMulti format Recording
DVD-RW/DVD+RW/DVD-R/DVD+R/DVD RAM
´ Multi format playback
DVD/DVD-RW/DVD+RW/DVD-R/DVD+R/
DVD RAM/MP3/JPEG/DIVX
ˇ Recording mode
XP(1Hour) / SP(2Hour) / LP(4Hour) /
EP(6~8Hour)
¨ Progressive scan
ˆ Automatic Chapter product on
Ø 59mm Slim Design
DVD-RECORDER
Merit & Character regarding Product
SERVICE MANUAL
DVD-HR749/ DVD-HR750/ DVD-HR753/ DVD-HR754/ DVD-HR755/ DVD-HR756/ DVD-HR757
Chassis : Nexus (4rd Generation)
BASIC : DVD-HR755
Application Models
: DVD-HR749 / DVD-HR750 /
DVD-HR753 / DVD-HR754 /
DVD-HR755 / DVD-HR756 /
DVD-HR757
Application Areas
: EUR, SED, XEB, XEC, XEE, XEF, XEG, XEH,
XEN, XEO, XET, XEU, XER, NWT, AFR, AND,
SMR, UMG, XSG, XFA, XSA, RAD, XSH,
XSS, XST, XTL, SAM, XSE, XSV, CHN,
HAC, TAW, SEO, AUS
SERVICE
Manual
ELECTRONICS
© Samsung Electronics Co., Ltd. MAY. 2007
Printed in Korea
AK82-01208A
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
international and/or domestic law.
Area Web Site
North America URL ; http://service.samsungportal.com
Latin America URL ; http://latin.samsungportal.com
CIS URL ; http://cis.samsungportal.com
Europe URL ; http://europe.samsungportal.com
China URL ; http://china.samsungportal.com
Asia URL ; http://asia.samsungportal.com
Mideast & Africa URL ; http://mea.samsungportal.com
If you want to know additional information which is not included on this
Service Manual, Please refer to the SKP(Samsung Knowledge Portal)
web site.

Samsung DVD-HR753 Specifications

General

Type	DVD Recorder
Hard Drive Capacity	160 GB
Video Format	MPEG-2
Audio Format	Dolby Digital
TV Tuner	Yes
Recording Format	DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-RAM
Connectivity	Composite Video, S-Video, Coaxial Digital Audio
Dimensions	430 x 300 x 60 mm
Video Upconversion	Yes
Playback Formats	CD, JPEG
Video Recording Modes	SP, LP, EP
Outputs	HDMI, Composite, S-Video, Component, Coaxial Digital Audio
Inputs	Composite, S-Video, SCART

Summary

Precautions and Safety Guidelines

Safety Precautions for Customer Return

Guidelines for ensuring instrument safety before returning to customer.

Servicing Precautions

Precautions to follow during servicing procedures.

ESD Precautions for Component Handling

Measures to protect against electrostatic discharge.

Product Specifications

Software Update Procedures

Drive Firmware Update Process

Step-by-step guide for updating the drive firmware.

Flash Memory Update Process

Instructions for updating the unit's flash memory.

Disassembly and Reassembly Guide

Cabinet and PCB Disassembly

Troubleshooting Common Issues

Power Issues

Troubleshooting steps for power-related problems.

Video Signal Issues

Diagnosing and resolving video signal output or input problems.

Audio Signal Issues

Troubleshooting steps for audio output and input problems.

System Operation Issues

Resolving problems with disc loading, tuner, and remote control.

Schematic Diagrams

SMPS PCB Schematic

Main PCB Schematics Overview

Jack PCB Schematics Overview

HDMI PCB Schematic

Operating Instructions

Remote Control Functions

Guide to the functions of the remote control buttons.

External Device Connections

Circuit Operating Descriptions

13-1 Power Circuit Operation

Description of the power supply circuit operation.

13-2 Servo Drive Operation

Description of the servo system in the DVD player.

13-3 Video Input/Output Block

Description of video signal processing and switching.

13-4 Audio Signal Processing

Description of analog audio input and output signal paths.

13-5 Tuner Circuit Operation

13-6 Intermediate Frequency (IF) Circuit