Mitsubishi LDT551V User Manual

English-1
English
Features ................................................................................................................................................................................... English-2
Important Information .............................................................................................................................................................. English-3
Declaration ...............................................................................................................................................................................English-5
Safety Precautions, Maintenance & Recommended Use ....................................................................................................... English-6
Contents ................................................................................................................................................................................... English-7
Parts Name and Functions ....................................................................................................................................................... English-8
Buttons, Switch, and Indicator .................................................................................................................................. English-8
Connectors and Terminals ........................................................................................................................................ English-9
Wireless Remote Control .......................................................................................................................................... English-10
How to Use the Wireless Remote Control ................................................................................................................ English-11
Preparation for use .................................................................................................................................................................. English-12
Flow of preparation ...................................................................................................................................................English-12
[P-1] Preparation for installation ............................................................................................................................................ English-13
Determine the installation location ............................................................................................................................ English-13
Ventilation requirements for enclosure mounting ..................................................................................................... English-13
[P-2] Installing the monitor ..................................................................................................................................................... English-14
Installing and removing the stands ........................................................................................................................... English-14
Using the wall mount or ceiling mount ...................................................................................................................... English-14
Installing in the portrait position ................................................................................................................................ English-15
[P-3] Installing the optional speakers .................................................................................................................................... English-16
[P-4] Connection procedure .................................................................................................................................................. English-17
Wiring diagram .......................................................................................................................................................... English-17
Prevention of disconnection of HDMI cable ............................................................................................................. English-17
Connecting with a computer (analog connection) .................................................................................................... English-18
Connecting with a computer (digital connection) .....................................................................................................English-19
Connecting a video device (component video/HDMI device) ..................................................................................English-20
Connecting a video device (composite video/S video device)/stereo amplifi er ...................................................... English-21
[P-5] Installing the optional module ....................................................................................................................................... English-22
Installation of the optional module ............................................................................................................................ English-22
CAT5 for long-distance connection or multiple-monitor connection ........................................................................ English-22
[P-6] Connecting RS-232C .................................................................................................................................................... English-24
Monitor control via RS-232C ..................................................................................................................................... English-24
[P-7] Connecting LAN ............................................................................................................................................................ English-25
Monitor connection using LAN ................................................................................................................................. English-25
[P-8] Connecting a USB device ............................................................................................................................................. English-26
Connecting multiple USB devices using the USB hub function ..............................................................................English-26
[P-9] Connecting the power cord to the monitor .................................................................................................................. English-27
Connecting the power source ................................................................................................................................... English-27
How to Use ............................................................................................................................................................................... English-28
Flow of How to Using ................................................................................................................................................ English-28
[U-1] Turning on all the connected devices ........................................................................................................................... English-29
Turning on external devices ...................................................................................................................................... English-29
Turning on the monitor .............................................................................................................................................. English-29
Power Management Function ................................................................................................................................... English-29
[U-2] Selecting the video input .............................................................................................................................................. English-30
[U-3] Controlling the external devices ................................................................................................................................... English-31
[U-4] Selecting the OSD language ......................................................................................................................................... English-31
[U-5] Auto-setup .................................................................................................................................................................... English-32
[U-6] Selecting the picture mode ........................................................................................................................................... English-32
[U-7] Screen adjustment ........................................................................................................................................................ English-33
[U-8] Picture adjustment ........................................................................................................................................................ English-33
[U-9] Setting the speakers ...................................................................................................................................................... English-34
[U-10] Volume control .............................................................................................................................................................. English-34
[U-11] Schedule setting ........................................................................................................................................................... English-35
How to set up schedule ............................................................................................................................................. English-36
[U-12] Remote control .............................................................................................................................................................. English-37
RS-232C/RS-485 Remote control ............................................................................................................................English-37
LAN Remote control .................................................................................................................................................. English-39
Confi guration and basic operation of OSD screen ................................................................................................................. English-40
Confi guration of OSD screen .................................................................................................................................... English-40
Basic operation of OSD ............................................................................................................................................. English-41
OSD screen functions .............................................................................................................................................................. English-42
Other functions ........................................................................................................................................................................English-52
Picture size ................................................................................................................................................................ English-52
Picture mode ............................................................................................................................................................. English-52
Audio input change ................................................................................................................................................... English-52
OSD information ........................................................................................................................................................ English-52
Control Lock mode .................................................................................................................................................... English-52
PIP, POP function ...................................................................................................................................................... English-53
Remote control numbering function ......................................................................................................................... English-54
Troubleshooting ....................................................................................................................................................................... English-55
Specifi cations .......................................................................................................................................................................... English-56
Pin Assignment ........................................................................................................................................................................ English-57
Index

Mitsubishi LDT551V Specifications

General

Screen Size	55 inches
Display Type	LCD
USB Ports	1
Aspect Ratio	16:9
Brightness	450 cd/m²
Contrast Ratio	4000:1
Viewing Angle	178°
Response Time	6 ms
Resolution	1920 x 1080
Audio Output	10W + 10W
Input Ports	Component, Composite
Weight	22.5 kg (49.6 lbs)

Summary

Important Information and Declarations

Safety Warnings and Precautions

Contains critical warnings, cautions, recommended use, and ergonomic advice for safe operation.

Safety Precautions, Maintenance, and Recommended Use

Key Safety and Handling Instructions

Essential guidelines for safe operation, including avoiding disassembly, liquid spills, and proper handling.

Parts Name and Functions Overview

Monitor Controls and Indicators

Identification of buttons, switches, power indicator, and OSD navigation controls on the monitor.

P-1 Preparation for Installation

Monitor Stability and Fall Prevention Measures

Instructions and cautions for securing the monitor to prevent it from falling.

P-4 Connection Procedure (Continued)

Analog Computer Connection and Audio Setup

Connects PC via VGA/BNC and sets up audio for analog inputs.

Digital Computer Connection and Audio Setup

Connects PC via HDMI, DVI-D, DisplayPort and sets up digital audio.

Component and HDMI Video Device Connection

Connects DVD/HD players using component or HDMI interfaces.

Composite, S-Video, and Stereo Amplifier Connection

Connects composite, S-Video devices and stereo amplifiers.

P-8 Connecting a USB Device

USB Hub Functionality for Multiple Devices

Details on connecting and utilizing the monitor's USB hub for multiple devices.

P-9 Connecting the Power Cord to the Monitor

Power Source Connection

Instructions for connecting the power cord to the monitor and power outlet.

U-1 Turning On All Connected Devices

Powering On External Devices and Monitor

Steps for turning on connected devices and the monitor itself.

U-2 Selecting the Video Input

Input Selection Methods

Describes selecting video input via the remote control or the monitor's INPUT button.

U-11 Schedule Setting

How to Set Up a Schedule

Detailed steps for programming power-on/off times and input selection.

U-12 Remote Control (Continued)

Read Commands and LAN Remote Control

Covers status reading commands and setting up network remote control.

Configuration and Basic Operation of OSD Screen

OSD Menu Navigation Basics

Details how to navigate through OSD menus using remote or monitor buttons.

OSD Screen Functions (Continued)

Off Timer and Schedule Settings

Sets automatic power-off times and programs monitor operation schedules.

OSD Screen Functions (Continued)

OSD Screen Menu: PIP

Details items within the PIP menu.

PIP Mode, Size, Audio, and Position Settings

Covers PIP mode selection, size, audio, and screen position adjustments.

OSD Screen Functions (Continued)

Picture Mode and PIP/POP Functionality

Selects picture modes and enables/configures PIP and POP features.

Other Functions (Continued)

PIP, POP, and Side-by-Side Functionality

Detailed explanation of PIP, POP, and Side-by-Side modes and their input compatibility.

Remote Control Numbering Function

Guides for controlling multiple monitors with one remote controller via RS-232C.

Troubleshooting Common Issues

Common Display Issues

Addresses problems like no picture, image persistence, unstable display, and color issues.

Schedule and Timer Function Issues

Resolves problems with the schedule and off timer functions not working as expected.