LG BX401C Dlp Projector Owner’s Manual

June 16, 2024
LG

LG BX401C Dlp Projector

LG-BX401C-Dlp-Projector-PRODUCT

Specifications

  • Model Number: BX401C
  • Serial Number: [serial number]

Product Information
The LG DLP Projector is a high-quality projector designed for both domestic and professional environments. It offers a range of features and functions to enhance your viewing experience.

Safety Instructions

Please take note of the following safety instructions to prevent any potential accidents or misuse of the projector:

  • WARNING: The violation of this instruction may cause serious injuries and even death.
  • NOTES: The violation of this instruction may cause light injuries or damage to the projector.

After reading this manual, keep it in a place that the user can easily access.

Installation Instructions

To install the LG DLP Projector, follow the steps below:

  1. Choose a suitable location for the projector, ensuring there is enough space for ventilation and proper positioning of the screen image.
  2. Connect the projector to a power source using the provided power cable.
  3. Connect the projector to your desired video source using the appropriate cables (desktop PC, notebook PC, video source, DVD player, D-TV set-top box).
  4. If desired, set up the Kensington Security System to prevent theft or unauthorized use of the projector.

Basic Operation of the Projector

To operate the LG DLP Projector, follow these basic steps:

  1. Ensure the projector is properly connected to a power source and video source.
  2. Press the power button to turn on the projector.
  3. Adjust the focus and position of the screen image as needed.
  4. Select the desired source mode using the menu options.

Maintenance

To ensure optimal performance and longevity of the projector, follow these maintenance guidelines:

  • Regularly clean the projector’s lens and exterior using a soft, lint-free cloth.
  • Replace the lamp when it reaches the end of its lifespan. Refer to the “Replacing the Lamp” section for detailed instructions.

FAQs

  1. Q: How do I connect the projector to a desktop PC?
    A: To connect the projector to a desktop PC, follow these steps:

    • [Step a]
    • [Step b]
    • [Step c]
  2. Q: How do I replace the lamp?
    A: To replace the lamp, follow these steps:

    • [Step a]
    • [Step b]
    • [Step c]
  3. Q: What are the supported monitor display options?
    A: The LG DLP Projector supports the following monitor display options:

    • [Option 1]
    • [Option 2]
    • [Option 3]

LG DLP PROJECTOR

Please read this manual carefully before operating your set. Retain it for future reference. Record model number and serial number of the set. See the label attached on the bottom of the set and quote this information to your dealer when you require service.
Model number : Serial number :

BX401C
OWNER’S MANUAL

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DLP PROJECTOR
Warning This is a class A product. In a domestic environment this product may cause radio interference, in which case the user may be required to take adequate measures.

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Disposal of your old appliance

1. When this crossed-out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002/96/EC.
2. All electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities.
3. The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health.
4. For more detailed information about disposal of your old appliance, please contact your city office, waste disposal service or the shop where you purchased the product.
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Safety Instructions

Safety Instructions
Please take note of the safety instructions to prevent any potential accident or misuse of the projector.

Safety Instructions are given in two forms as detailed below.
WARNING : The violation of this instruction may cause serious injuries and even death. NOTES : The violation of this instruction may cause light injuries or damage to the projector. After reading this manual, keep it in the place that the user always can contact easily.

Indoor Installation

WARNING

Do not place the Projector in direct sunlight or near heat sources such as radiators, fires and stove etc.
This may cause a fire hazard !

Do not place inflammable materials beside the projector
This may cause a fire hazard !

Do not allow children to hang on the installed projector.
It may cause the projector to fall, causing injury or death.

Indoor Installation

NOTES

Disconnect from the mains and remove all connections before moving.

Do not place the projector close to sources of steam or oil such as a humidifier.
This may create a fire hazard or an electric shock hazard !

Do not place the projector where it might be exposed to dust.
This may cause a fire hazard or damage to the unit!

When installing the projector on a table, be careful not to place it near the edge.
This may cause the projector to fall causing serious injury to a child or adult and serious damage to the projector. Only use a suitable stand.

Only use the projector on a level and stable surface.
It may fall and cause injury and/or damage to the unit.

Ensure good ventilation around the projector. The distance between the projector and the wall should be more than 30cm/12 inches.
An excessive increase in its internal temperature may cause a fire hazard or damage to the unit!

Do not block the vents of the projector or restrict air-flow in any way.
This would cause the internal temperature to increase and could cause a fire hazard or damage to the unit!

Do not place the projector directly on a carpet, rug or place where ventilation is restricted.
This would cause its internal temperature to increase and might create a fire hazard or damage the unit.

Outdoor Installation

WARNING

Do not use the projector in a damp place such as a bathroom where it is likely to get wet. This may cause a fire or an electric shock hazard !

Power

WARNING

Earth wire should be connected.
If the earth wire is not connected, there is a possible danger of electric shock caused by the current leakage. If grounding methods are not possible, a separate circuit breaker should be installed by a qualified electrician. Do not connect ground to telephone wires, lightning rods or gas pipe.

The mains plug should be inserted fully into the power outlet to avoid a fire hazard !
This may cause a fire hazard or damage the unit.

Do not place heavy objects on the power cord.
This may cause a fire or an electric shock hazard !

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Safety Instructions

Power
Do not use too many plugs on the Mains multi-outlet. It may result in overheating of the outlet and causes a fire hazard !

WARNING

Power

NOTES

Never touch the power plug with a wet hand
This may cause an electric shock hazard !

Hold the plug firmly when unplugging. If you pull the cord, it may be damaged.
This may cause a fire hazard !

Prevent dust collecting on the power plug pins or outlet.
This may cause a fire hazard !

Do not plug when the power cord or the plug is damaged or any part of the power outlet is loose.
This may cause a fire or an electric shock hazard or damage to the unit!

Ensure the power cord does not come into contact with sharp or hot objects such as a heater.
This may cause a fire or an electric shock hazard or damage to the unit!

Place the projector where people will not trip or tread on the power lead.
This may cause a fire or an electric shock hazard or damage to the unit!

Do not turn the projector On/Off by plugging-in or unplugging the power plug to the wall outlet. (Do not use the power plug for switch.)
It may cause mechanical failure or could cause an electric shock.

Using

WARNING

Do not place anything containing liquid on top of the projector such as flowerpot, cup, cosmetics or candle.
This may cause a fire hazard or damage to the unit!

In case of impact shock or damage to the projector switch it off and unplug it from the mains outlet and contact your service center.
This may cause a fire or an electric shock hazard or damage to the unit!

Do not allow any objects to fall into the projector.
This may cause an electric shock hazard or damage to the unit!

If water is spilt into the projector unplug it from the mains supply outlet immediately and consult your Service Agent.
This may cause an electric shock hazard or damage to the unit!
Do not remove any covers (except lens cover). High risk of Electric Shock!

Dispose of used batteries carefully and safely.
In the case of a battery being swallowed by a child please consult a doctor immediately.

In the event that an image does not appear on the screen please switch it off and unplug it from the mains supply and contact your Service Agent.
This may cause a fire or an electric shock hazard or damage to the unit!

Don’t look directly onto the lens when the projector is in use. Eye damage may occur!

Do not touch metal parts during or soon after operation since the vents and lamp cover will remain very hot!

CAUTION concerning the Power Cord Most appliances recommend they be placed upon a dedicated circuit; that is,a single outlet circuit which powers only that appliance and has no additional outlets or branch circuits.Check the specification page of this owner’s manual to be certain. Do not overload wall outlets. Overloaded wall outlets,loose or damaged wall outlets, extension cords, frayed power cords,or damaged or cracked wire insulation are dangerous.Any of these conditions could result in electric shock or fire. Periodically examine the cord of your appliance,and if its appearance indicates damage or deterioration, unplug it, discontinue use of the appliance, and have the cord replaced with an exact replacement part by an authorized service personnel. Protect the power cord from physical or mechanical abuse, such as being twisted, kinked, pinched, closed in a door, or walked upon. Pay particular attention to plugs, wall outlets, and the point where the cord exits the appliance.
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Safety Instructions

Using

WARNING

Never touch the wall outlet when there is leakage of gas, open the windows and ventilate.
It can cause a fire or a burn by a spark.

Do not drop the projector or allow impact shock.
This may cause mechanical failure or personal injury !

Don’t look at laser beam directly as it can cause eye damage!

Always open the lens door or remove the lens cap when the projector lamp is on.

Using

NOTES

Do not place heavy objects on top of projector.
This may cause mechanical failure or personal injury!

Take care not to impact the lens particularly when moving the projector.

Do not touch the lens of the projector. It is delicate and easily damaged.

Do not use any sharp tools on the projector as this will damage the casing.

Cleaning

WARNING

Do not use water while cleaning the projector
This may cause damage to the projector or an electric shock hazard.

In the unlikely event of smoke or a strange smell from the projector, switch it off , unplug it from the wall outlet and contact your dealer or service centre.
This may cause a fire or an electric shock hazard or damage to the unit!

Use an air spray or soft cloth that is moist with a neutral detergent and water for removing dust or stains on the projection lens.

Cleaning

NOTES

Contact the Service Center once a year to clean the internal parts of the projector.
Accumulated dust can cause mechanical failure.

When cleaning the plastic parts such as projector case, unplug the power and wipe it with a soft cloth. Do not use cleanser, spray water or wipe with a wet cloth. Especially, never use cleanser (glass cleaner), automobile or industrial shiner, abrasive or wax, benzene, alcohol etc., which can damage the product. Use an air spray or soft cloth that is moist with a neutral detergent and water for removing dust or stains on the projection lens.
It can cause fire, electric shock or product damage (deformation, corrosion and damage).

Others

WARNING

Do not attempt to service the projector yourself. Contact your dealer or service centre. This may cause damage to the projector and could give an electric Shock as well as invalidating the warranty !

Others

NOTES

Be sure to unplug if the projector is not to be used for a long period.
Accumulated dust may cause a fire hazard or damage to the unit!

Refer lamp servicing to qualified service personnel.

Only use the specified type of battery. This could cause damage to the remote control.

Do not mix new batteries with old batteries.
This may cause the batteries to overheat and leak.

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Names of parts
Main Body

  • The projector is manufactured using high-precision technology. You may, however, see on the Projector screen tiny black points and/or bright points (red, blue, or green). This can be a normal result of the manufacturing process and does not always indicate a malfunction.
    Focus ring Zoom ring Power button Control panel

Names of parts

Foot adjusting button

Front remote control sensor

Connecting Part

HDMI IN

USB(SVC Only)

Rear remote control sensor

RS-232C

RGB IN-1 RGB IN-2 RGB OUT Video

AC IN Kensington Security System Connector (Refer to page 14)
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Names of parts
Control Panel

MENU Button Selects or closes menus.
/ / / Button Adjusts functions of menus.
AUTO Button It automatically corrects the position and the shaking of the
image at the RGB mode.

MENU AUTO

SOURCE

SOURCE Button Switches to RGB(Component), HDMI, Video mode.

POWER

OK Button

OK

Checks present mode and saves the function

changes.

POWER Button Turn ON/OFF the projector.

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Names of parts

Remote Control

POWER Button MENU Button

POWER MENU

SOURCE

/ / / Button

EXIT Button
LASER Button AUTO Button ZOOM Button RATIO Button
MODE Button
STILL Button
TIMER Button W.PEAK Button
Laser Button * Produces a bright red laser pointer on the
screen for the purpose of indication. (Don’t look at laser beam directly as it
can cause eye damage!)

EXIT

OK

AUTO

LASER

LAMP

RATIO

ZOOM

SLEEP

MODE

STILL

BLANK KEYSTONE

TIMER

W.PEAK

GAMMA

SOURCE Button
OK Button
LAMP Button
SLEEP Button Brightness Button Contrast Button BLANK Button KEYSTONE Button GAMMA Button

Installing Batteries
CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED WITH AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
· Open the battery compartment cover on the back of the remote control. · Insert the specified type of batteries with correct polarity, match “+” with “+”, and
match “-” with “-“. · Install two 1.5V AAA batteries. Don’t mix used batteries with new batteries.

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Names of parts
Projector Status Indicators

  • Lamp indicator, operation indicator and temperature indicator at the top of the projector show the user the operating status of the projector.
    Lamp Indicator Operation Indicator
    Temperature Indicator

Operation Indicator Lamp Indicator
Temperature Indicator

Red

Standby.

Green(flashing) Lamp is starting up.

Green

Unit is in operation (Lamp is turned on)

Orange(flashing) Projector lamp is cooling (10 sec.)

Off

Power off.

Orange

Standby-This mode cools the projector naturally for 4 minutes after it is turned off.

Red(flashing)

This indicates a Colour Wheel problem.Please contact your local service centre.

Red

Projector lamp is reaching the end of its life and needs to be replaced with a new lamp.

The projector is experiencing an error. Retry Power On

Red(flashing) again later. If lamp indicator is red (flashing) again, con-

tact the service center.

Green(flashing) The lamp cover is open.

Orange

A high temperature state has been detected. Turn the Projector off.

Red

The Projector has turned off due to excessive heat.

Red (flashing)

Power has turned off due to problem with the internal cooling fan. Contact your service center.

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Names of parts

Accessories

POWER MENU

SOURCE

EXIT

OK

AUTO

LASER

LAMP

RATIO

ZOOM

SLEEP

MODE

STILL

BLANK KEYSTONE

TIMER

W.PEAK

GAMMA

Remote Control

1.5V 1.5V
2 Batteries

Owner’s manual

CD Owner’s manual

Power Cord

Computer Cable

Lens cap and Strap

Optional Extras

  • Contact your dealer to purchase these items. Contact your service personnel for replacing of lamp. The lamp is consumable and needs to be replaced with a new one when it is burned out. * Optional parts can be changed without notice to improve the quality of the product, and new optional parts can be added.

Projection Screen

Lamp

Ceiling installer for projector

HDMI Cable

Component Cable

Video Cable

RS-232C Cable

RCA to D-Sub Adapter

HDMI to DVI Cable

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Installing and Composition

Installing and Composition
Installation Instructions

  • Don’t place the projector in the following conditions. It may cause malfunction or product damage.

Provide proper ventilation for this projector.
The projector is equipped with ventilation holes(intake) on the bottom and ventilation holes(exhaust) on the front. Do not block or place anything near these holes, or internal heat build-up may occur, causing picture degradation or damage to the projector.

Do not place the projector on a carpet, rug or other similar surface. It may prevent a adequate ventilation of the projector bottom. This product should be mounted to a wall or ceiling only.

Never push projector or spill any kind of liquid into the projector.

Leave an adequate distance(30cm/12 inches or more) around the projector.

Place this projector in adequate temperature and humidity conditions. Install this projector only in a location where adequate temperature and humidity is available. (refer p.41)
Don’t place the projector where it can be covered with dust. This may cause overheating of the projector.
Do not obstruct the slots and openings of the projector. This may cause overheating and create a fire hazard.
The projector is manufactured using high-precision technology. You may, however, see tiny black points and/or bright points (red, blue, or green) that continuously appear on the projector Screen. This is a normal result of the manufacturing process and does not indicate a malfunction.
To display DTV programs, it is necessary to purchase a DTV receiver (Set-top Box) and connect it to the projector.

When the remote control does not work during operation.
The remote control may not work when a lamp equipped with electronic ballast or a three-wavelength lamp is installed. Replace those lamps with international standard products to use the remote control normally.

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Installing and Composition

Basic Operation of the Projector

1.Place the projector on a sturdy and horizontal surface with the PC or AV source.
2.Place the projector with the desired distance from the screen. The distance between the projector and the screen determines the actual size of the image.
3.Position the projector so that the lens is set at a right angle to the screen. If the projector is not set at a right angle, the screen image will be crooked. If this is so then the keystone adjustment may correct this (Refer to page 27.).
4.Connect the cables of the projector to a wall power socket and other connected sources.

projection distance based on the picture format

Screen

Projection off-set ratio:100%

X/2

Screen height (X)

X/2

Projection distance (D)

Screen Width (Y)

Y/2 Screen

Y/2

100mm

Projection distance (D)

4 : 3 Scale

Image

Diagonal Size Diagonal Size Horizontal Size

(inch)

(mm)

(mm)

Vertical Size (mm)

Projection Distance

Wide Distance Tele Distance

(mm)

(mm)

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  • The longest/shortest distance show status when adjusted by the zoom function.
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Installing and Composition
Using Kensington Security System
The projector has a Kensington’ Security System Connector on the side panel. Connect theKensington’ Security System cable as below.
For the detailed installation and use of the Kensington Security System, refer to the user’s guide attached to the Kensington Security System set. And for further information, contact http://www.kensington.com, the internet homepage of the Kensington company that deals with expensive electronic equipment such as notebook PCs or projectors.
Kensington Security System is an optional item.

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Installing and Composition
Turning on the Projector
1. Connect power cord correctly. 2. Remove the lens cap. If it is left on, it could become deformed due to the heat produced by
the projection lamp. 3. Press the POWER button on the remote control or top cover.
(Green operation indicator flashes if lamp is in start-up cycle.)
An image will appear after the operation indicator light turns (Green). Select the source mode with the SOURCE button.

  • Do not disconnect the power cord during the suction/discharge fan in operation. If the power cord is disconnected during the suction/ discharge fan in operation, it may takes longer to activate the lamp after turning on the power and the lifespan of the lamp may be shortened.

Turning off the Projector
1. Press the POWER button on the top cover or remote control. 2. Press the POWER button on the top cover or remote control again to turn off the power. 3. If the operation indicator LED is orange and blinking, do not disconnect(10 sec.) the supply until
the operation indicator LED is lit constantly (orange).
If the operation indicator LED is orange and blinking, the power button on the top cover or on the remote control will not operate.
This projector features the Quick Power On/Off function that allows a user to turn it on and off quickly.
Power off? Please press Power key again.

  • What is the Quick Power On/Off function? The projector enters into Standby mode without waiting it is cooled. If Standby mode continues for a certain amount of time, the projector can operate without cooling when it is turned on.

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Installing and Composition
Focus and Position of the Screen Image
When an image appears on the screen, check if it is in focus and fits well to the screen. Zoom ring Focus ring
To adjust the focus of the image, rotate the focus ring which is the outer ring on the lens. To adjust the size of the image, rotate the zoom ring which is the inner ring on the lens.
To raise or lower the image on the screen, extend or retract the foot at the bottom of the projector by pushing foot adjusting button as below.

1. While pressing the foot adjusting button, raise or lower the projector to place the screen image in the proper position. 2. Release the button to lock the foot in its new position. 3. Turn the foot at the back left or right to make a fine tune of the length of the projector.
After raising the front foot, do not press down on the projector.

Selecting source mode

1. Press the SOURCE button on the remote control or the control panel.

RGB1 RGB2 HDMI Video

MENU Exit

OK

2. After moving into desiring input by pressing ,button,please press the confirm button.
When a signal cable is plugged in and there ‘s a signal,the selecting item is activated as white,and if there ‘s no signal,the selecting item is deactivated as gray.
If pressing the input selection button,it is possible to select activated item. It is possible to watch by selecting RGB 1 for Component 1 input and RGB 2 for Component 2 input,and in case of Component,even
though there ‘s an input signal,the OSD item is not activated.

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Connection

Connecting to a Desktop PC

  • You can connect the projector to a computer of VGA, SVGA, XGA and SXGA output. Refer to page 40 for the supported monitor displays of the projector. You can select an RGB input from the Monitor Out menu that will be output to RGB OUT(RGB1 or RGB2).
Connect the RGB IN-1 of the projector and the computer output port with computer cable. * You can also connect to the RGB IN-2 port.

Computer Cable

Please connect projector ‘s HDMI IN terminal and computer ‘s output terminal by using HDMI to DVI cable.

HDMI to DVI Cable

Connection

Connecting to a Notebook PC

< How to connect > Connect the RGB IN-1 of the projector and the computer output port with computer cable. * If you set your computer to output the signal to both the display of your computer and the external projector, the picture of the external projector may not appear properly. In such cases, set the output mode of your computer to output the signal only to the external projector. For details, refer to the operating instructions supplied with your computer. * You can also connect to the RGB IN-2 port.

Computer Cable

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Connection
Connecting to a Video Source

  • You can connect a VCR, a camcorder or any other compatible video image source to the projector. < How to connect > a. Connect the Video input jacks of the projector to the output jacks of the A/V source with Video cable.

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