Philips BDL4650E, BDL4250EL user manual Troubleshooting

Page 36

BDL4250EL / BDL4650EL

7.2.

Troubleshooting

 

 

 

 

 

 

 

Symptom

Possible Cause

Remedy

 

 

 

 

 

No picture is displayed

1.

The power cord is disconnected.

1.

Plug in the power cord.

 

 

2.

The main power switch on the back of the

2.

Make sure the power switch is switched on.

 

 

 

display is not switched on.

3.

Connect a signal connection to the display.

 

 

3.

The selected input has no connection.

 

 

 

 

4.

The display is in standby mode.

 

 

 

 

 

Interference displayed on the display or audible

Caused by surrounding electrical appliances or

Move the display to another location to see is the

noise is heard

fluorescent lights.

interference is reduced.

 

 

 

Color is abnormal

The signal cable is not connected properly.

Make sure that the signal cable is attached firmly

 

 

 

 

to the back of the display.

 

 

 

 

 

Picture is distorted with abnormal patterns

1.

The signal cable is not connected properly.

1.

Make sure that the signal cable is attached

 

 

2.

The input signal is beyond the capabilities of

 

firmly.

 

 

 

the display.

2.

Check the video signal source to see if it

 

 

 

 

 

is beyond the range of the display. Please

 

 

 

 

 

verify its specifications with this display’s

 

 

 

 

 

specification section.

 

 

 

 

Display image doesn’t fill up the full size of the

1.

The zoom mode is not set correctly.

Use the Zoom mode or Custom zoom function

screen

 

2.

Scan Mode may be set incorrectly to

in the Screen menu to fine tune display geometry

 

 

 

underscan.

and time frequency parameter.

 

 

3.

If the image exceeds the screen size, Scan

 

 

 

 

 

Mode may need to be set to Underscan.

 

 

 

 

 

Can hear sound, but no picture

Improperly connected source signal cable.

Make sure that both video inputs and sound

 

 

 

 

inputs are correctly connected.

 

 

 

 

 

Can see picture but no sound is heard

1.

Improperly connected source signal cable.

1.

Make sure that both video inputs and sound

 

 

2.

Volume is turned all the way down.

 

inputs are correctly connected.

 

 

3.

[MUTE] is turned on.

2.

Press [VOL UP] or [VOL DOWN] button to

 

 

4.

No external speaker connected.

 

hear sound.

 

 

3.

Switch MUTE off by using the [MUTE]

 

 

 

 

 

 

 

 

 

button.

 

 

 

 

4.

Connect external speakers and adjust the

 

 

 

 

 

volume to a suitable level.

 

 

 

Some picture elements do not light up

Some pixels of the display may not turn on.

This display is manufactured using an extremely

 

 

 

 

high level of precision technology: however,

 

 

 

 

sometimes some pixels of the display may not

 

 

 

 

display.This is not a malfunction.

 

 

 

After-Images can still be seen on the display

A still picture is displayed for an over extended

Do not allow a still image to be displayed for

after the display is powered off. (Examples

period of time

an extended period of time as this can cause a

of still pictures include logos, video games,

 

 

permanent after-image to remain on the display.

computer images, and images displayed in 4:3

 

 

 

 

normal mode)

 

 

 

 

 

 

 

 

 

 

28

Image 36
Contents BDL4250EL BDL4650EL Safety Instructions Know These Safety SymbolsRegulatory Information CE Declaration of ConformityFederal Communications Commission FCC Notice U.S. Only Polish Center for Testing and Certification Notice Electric, Magnetic and Electronmagnetic Fields EMFHow to connect a plug Information for U.K. only中国电子信息产品污染控制标识要求 中国RoHS法规标示要求 产品中有毒有害物质或元素 的名称及含量 China RoHSNorth Europe Nordic Countries Information End-of-Life DisposalWaste Electrical and Electronie Equipment-WEEE For customers in Canada and U.S.ATable Of Contents Unpacking and Installation Package ContentsInstallation Notes UnpackingInstalling and Removing Table Stands optional To install table standsTo remove table stands Mounting on a Wall Vesa GridVentilation Requirements for enclosure locating How to use the logo guider for portrait position How to remove the logoMounting in Portrait Position Remove the guiderParts and Functions Control PanelInput/Output Terminals Remote Control General functionsInserting the batteries in the remote control Handling the remote controlOperating range of the remote control Connecting External Equipment Using the Switch CoverConnecting External Equipment DVD/VCR/VCD Using Component video inputUsing Video Source input Using Hdmi video inputConnecting a PC Using VGA inputUsing DVI input Using Hdmi inputConnecting Audio Equipment Using DisplayPort inputConnecting external speakers Connecting an external audio deviceConnecting Multiple Displays in a Daisy-chain Configuration Display control connectionDigital video connection Analog video connection OSD Menu OSD Menu OverviewNavigating the OSD Menu Screen menu Audio menu PIP menuPosition Configuration1 menu Configuration2 menu Advanced option menuScan mode Film modeHdmi clock threshold Black level expansionFrame comp. -Yes Frame comp. No Heat statusDate and time ScheduleHdmi with One Wire Smart powerAuto signal detection Monitor IDAdvanced option reset APMInput Mode VGA ResolutionSdtv Resolution Hdtv ResolutionDot definition = What is a defective Dot? Pixel Defect PolicyPixels and Sub-Pixels Types of Pixel Defects + Dot DefinitionDark Dot Defects Proximity of Pixel DefectsPixel Defect Tolerances MuraCleaning and Troubleshooting CleaningFront Panel Cleaning Instructions Cabinet Cleaning InstructionsTroubleshooting Technical Specifications BDL4250ELDisplay In/Out TerminalsEnvironmental Condition Internal SpeakerBDL4650EL Environmental Condition