JVC GM-V42PCEB, GM-V42S, GM-V42PCEG manual Troubleshooting, Input Select Video A, Video B, Auto

Page 39

Troubleshooting

Solutions to common problems related to the Monitor are described here. If none of the solutions presented here solves the problem, unplug the Monitor and consult an authorized dealer or service center.

Symptom

Probable cause

Corrective action

Page

Power is not supplied.

• Is the power cord disconnected?

•Insert the power cord (plug) firmly.

11

 

 

 

 

 

•Is the POWER switch turned on?

•Turn on the POWER switch.

14

 

 

 

 

Power is suddenly

•Is the Power On/Off Timer activated?

•Set the timer to “OFF” on the menu.

28

turned on or off.

 

 

 

 

 

 

 

 

 

Video image does not

•Is the correct input selected?

•Select the correct input by pressing

 

appear, or audio

 

INPUT SELECT (VIDEO A, VIDEO B,

14

sound does not occur.

 

COMPO./(RGB B) or RGB A) on the

 

 

 

 

remote control (or INPUT on the

 

 

 

Monitor).

 

 

•Are the devices connected correctly?

•Connect the devices correctly.

11, 12

 

 

 

 

 

 

 

 

•Are signals being supplied from the

•Set the devices correctly.

—

 

connected devices?

 

 

 

 

 

 

 

 

 

•Is “RGB/COMPO.” set correctly if

•Set it correctly.

 

 

using the COMPONENT/RGB B

 

22

 

terminals?

 

 

 

 

 

 

 

•Are input signals (scanning frequency,

•Check if the signal is appropriate

 

 

etc.) appropriate?

(scanning frequency, etc.), and input

10

 

 

the appropriate signal.

 

 

•Is brightness adjusted correctly?

•Adjust brightness on the menu.

16

 

•Is volume set at minimum?

•Adjust volume.

14

 

 

 

 

 

•Are the diagnostic lamps turned on?

•Refer to “Self-diagnostic indication,”

39

 

 

and take an appropriate action.

 

 

 

 

 

 

 

The picture becomes

•Is the signal RGB input?

•Adjust DOT CLOCK and CLOCK

 

blurred.

 

PHASE using the menu.

17

 

 

 

 

 

•Is the RGB B connecting cord long?

•Set the SYNC TERM. “LOW.”

23

 

 

 

 

Color is abnormally

•Is brightness adjusted correctly?

•Adjust BRIGHT (brightness) using the

16

dark or bright.

 

menu.

 

 

 

•Is picture quality (colour density, etc.)

•Adjust picture using the menu.

16

 

adjusted correctly?

 

 

 

 

 

“TEMP. OVER” lights (or flashes) at the

•Refer to “Self-diagnostic indication,”

39

 

right bottom of the screen.

and take an appropriate action.

 

 

 

 

 

 

Color is poor or

•Is the correct broadcast system (color

•Set SIGNAL MODE (color system) to

21

unstable.

system) selected?

“AUTO.”

 

 

 

 

 

 

•Are signals (scanning frequency, etc.) to

•Check if the signal is appropriate

 

 

connected devices appropriate?

(scanning frequency, etc.), and input

10

 

 

the appropriate signal.

 

Color is suddenly

•Is the Color-Reverse/Refresh timer

•Set “COLOR-REVERSE”/“REFRESH”

30, 31

reversed or whitened.

activated?

to “OFF” on the menu.

 

The picture is cut or

•Is the size or position of the screen

•Adjust H.SIZE, V.SIZE, H.POSITION

 

shifted toward one

adjusted properly?

or V.POSITION using the menu.

17

side.

 

 

 

 

 

 

 

The remote control

•Are the batteries correctly set?

•Insert batteries correctly, observing the

8

does not work.

 

polarities (ª and ·).

 

 

 

 

 

 

 

•Are the batteries exhausted?

•Replace with new batteries.

8

 

 

 

 

 

•Is there any object blocking the path

•Remove any blocking object.

 

 

between the remote control and remote

 

—

 

sensor?

 

 

 

•Is the Monitor too far away from you?

•Move toward the Monitor, then operate

—

 

 

the remote control.

 

 

 

The buttons on the

•Is the Control Lock function in use?

•Set the Control Lock function to “OFF”

26

Monitor do not work.

 

using the menu.

 

 

38

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Contents GM-V42PCEG GM-V42PCEB GM-V42S Instructions Important Information Important Safeguards Safety PrecautionsFuse Power ConnectionParts Identification Remote ControlMonitor Front View Monitor Rear Views Video B terminals Video a terminals COMPONENT/RGB B input terminalsChecking the Accessories Installing the BatteriesPreparations When mounting the Monitor on the wall InstallationPrecautions When installing the Monitor on a standConnections Available SignalsVideo signals Computer signals PresetConnection Diagrams AV connections DVD player, etcPersonal computer External control unit Connecting an external control unitConnecting the Cooling Fan Unit not supplied Make terminalDaily Operations Basic OperationsPrecautions for using the screen mode switching function Changing the Aspect RatioPress Aspect to select the screen size Adjusting the Picture Quality Video AdjustmentsPress 5/∞ to move the cursor 3 to SIZE/POSITION ADJ Adjusting the Screen Size and PositionPress 2/3 to adjust the selected item Press 3 to display the Size/PositionTo make an adjustment while viewing the adjustment Press 5/∞ to select the Sub Menu you want to adjustPress Adjusting the White Balance Adjusting the Color TemperatureTo make an adjustment while viewing the adjustment bars Setting the Receivable Signal Types Setting the COMPONENT/RGB B Input Press 5/∞ to move the cursor 3 to reset Press 3 again to reset the adjustmentsChanging the Resistance of the RGB B Input Terminals Showing On-screen Display Other Convenient FunctionsConfirming the Use Time and Model Name Showing the On-screen When Changing Input ModePress 2/3 to select the desired setting To cancel the Status Display function, select OFFTo cancel the Control Lock function, select OFF Prohibiting the Monitor’s Button OperationsPress 5/∞ to move the cursor 3 to Control Lock Press 5/∞ to move the cursor 3 to HD Signal Mode Setting the Remote-Controllable InputPress 5/∞ to move the cursor 3 to Remote Switch Setting the High-Definition Signal TypesSetting the Clock Setting the Clock and the Power On/Off TimerPress 5/∞ to move the cursor 3 to Power Save on the second Using the Pixel Shift FunctionUsing the Power Save Function Using the Power On/Off TimerPreventing the Afterimage Effect Press 2/3 to select the desired settingRefreshing the Screen To cancel the Refresh function immediatelyWhen the battery becomes weak Battery LOW Checking the Timer BatteryResetting All the Menu Settings Resetting All the Setup Menu SettingsMain Menu Menu ClassificationsColor Temp Signal ModeBright SizeSetup Menu Power Save Remote SwitchHD Signal Mode TimerTroubleshooting Input Select Video A, Video BAuto Self-diagnostic Indication If TEMP. Over flashes in yellowIf TEMP. Over lights in red COMPONENT/RGB B SpecificationsOptions not supplied TS-C01FANGTS-C421SPG Dimensions Pin assignment Specifications for terminals
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