Hitachi hitachi lcd monitor user manual Symptom Point to check See

Page 48

TROUBLESHOOTING (continued)

Symptoms That Seemingly Appear to be Failures (continued)

Symptom

Point to check

See page

 

 

 

• There are locations on the screen that are different from the

• High-precision technology is used to manufacture the LCD

 

periphery (*).

panel. However in some cases, there are minor defects in

—

* Points that do not light, points with brightness different

some parts of the screen. Please note that this is not a

from that of the periphery, points with color different from

malfunction.

 

that of the periphery, etc.

 

 

 

 

 

• Coarse horizontal stripes appear in FULL display.

• Adjusting the Clock Phase will reduce the horizontal stripes.

32

 

(RGB input)

 

 

 

 

 

• Flickering in the form of horizontal lines oscillating up and down.

• If the direct frequency from the computer is below 85Hz, try

 

(PC INPUT MODE only)

a higher frequency (upper limit 85Hz). There may be a slight

33

 

attenuation of the current image.

 

• Try turning the Vertical Filter On. For this case however, the

 

 

vertical resolution will drop.

 

 

 

 

• The top of the monitor heats up.

• When used for long periods of time, the top of the monitor

—

 

may heat up. This is not a malfunction.

 

 

 

 

 

• Text characters are displayed with varying thicknesses.

• The thicknesses of characters and lines may vary if images

—

 

with a vertical resolution greater than 768 lines are

 

displayed; however, this is not a malfunction.

 

 

 

 

• The screen becomes dark and the images cannnot be seen

• This sometimes occurs when a component output VTR such

 

during VTR special playback (fast forward, rewind)

as the 480i is connected.

—

 

This is not a malfunction; therefore, please take note that

 

this may occur. When it does occur, change to composite

 

 

output,or S.video output.

 

 

 

 

• During multi picture mode, sub pictures are not displayed.

• Sub pictures image might not be able to be displayed,

 

 

depending on the combination.

26

 

(Reter to the table of “2 pictures mode” and “4 pictures

 

 

 

mode”)

 

 

 

 

• The screen display sizes are not switched.

• The screen display size is fixed at “Full” as receiving

—

 

1080i/60Hz, 1080i/50Hz, and 720p/60Hz.

 

 

 

 

 

• Images from AV6 (HDMI) are not displayed.

• Check the cable and output format of connecting device.

13

 

(Reter to “Connecting to an Audio Visual Device”, and

 

 

 

"Recommended Signal List".)

50

 

 

 

46

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Contents USER’S Manual Page Features Contents Safety Instructions About the SymbolsSafety Instructions About the Symbols Be cautious of the power cord connectionBe sure to keep safety ground connection Be careful in handling the battery of the remote controlAvoid a high temperature environment Remove the power cord for complete separationBe careful in operating power swivel Installation environmentPrecautions for the cable connection Precaution during transportationDo not physically impact the remote control Set the sound volume at a suitable levelAbout the power swivel Using in low temperaturesAbout screen defects About residual imagesComponent Names Main UnitComponent Names Remote control Open the battery coverClose the battery cover Load batteriesDVD and SAT Recall Video/RGBButtons for Teletext Mode Buttons on Remote Control FunctionUP / Down button Text / TV+TEXT button Color buttonsInstallation Instructions InstallationAnti-tumble measures Securing to a wall or pillarAn example of connecting audio visual devices HdmiPrecautions when connecting the antenna Installation Instructions Connecting to a PC Connecting to a PC DeviceMonitor rear panel DVD PlayerInstallation Instructions Connecting the Speaker Cables Ferrite coreAttach the speaker cables to speaker systems Installation Instructions Mounting the Side Input Power cord Connecting cableMount the side input into the speaker holder Speaker HolderInstallation Instructions Power Cord Connection Turning Power On and Off Operating InstructionsIndicating lamp OperatingInput Switching Size SwitchingDisplay size selection diagram Operating InstructionsOperating Instructions Size Switching Press Using a wide-screen monitorDisplay area selection diagram RGB input PressOperating Instructions Volume Adjustment Volume setting value Adjustment status guide displayAudio Mute Operating Instructions Power Swivel Adjust for preferred anglePress Swivel button Controlling icon appears on the screenOperating Instructions Input Signal Screen Display Operating Instructions Displaying Multi Picture Recall button Input Select buttonsButton UP/DOWN buttonPictures Split PicturesPicture Freezing Freeze buttonSplit Strobe NTSC3.58/4.43 576i 480iUsing the Menu Screen On-screen display system Example Selecting the Picture screen from TV/Video modeMenu button OK button Recall button Return button Press the Menu button to display the Main Menu screenOperating Instructions Setup Menu TV mode AbcdeSelected characters Setup hint Operating Instructions Setup Menu Video mode Auto Adjust Wxga ModeWvga Type Frequency Mode Vertical FilterFunction Menu Operating Instructions Picture Menu TV/Video mode Picture Mode Color TemperatureContrast Mode Film ModeColor Management MagentaCyan Color DecodingOperating Instructions Picture Menu RGB mode Audio Menu Timer Menu Off TimerOn Timer Language MenuOther Features Automatic StoreMenu Display Registration condition Other Features Audio Switching A2 / Nicam / Sound Multiplex TV modeBilingual / Dual sound broadcast Stereo sound broadcast Other Features Power Save Mode DVD Player/ STB SelectionOther Features DVD Player/STB Selection Signal Check RGB modeTroubleshooting Symptoms That Seemingly Appear to be FailuresSymptom Point to check See Symptom Point to check See Troubleshooting Actions to Correct Abnormal Displays SymptomExample ExampleProduct Specifications Product Specifications Signal Input Product Specifications Recommended Signal List Signal Name Resolution Frequency kHz Frequency MHzSub Remarks Signal Name Resolution KHz MHz864 480 34.24 Wvga type On 640 48040.00 800 600 56.25
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