JVC LM-H191, LM-H171 manual Troubleshooting

Page 15

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 and corrective action

Page

 

 

 

 

No power supply

Firmly insert the AC power plug.

8

 

 

 

 

• Select the correct input with INPUT SELECT buttons.

6

No picture with the

Connect the signal cable firmly.

8

• Turn on the power of the connected component and set the output

power on

 

correctly.

 

 

 

 

 

Check if the input signal format is acceptable on the monitor.

9

 

 

 

 

 

Adjust the volume level.

6

No sound

Connect the signal cable firmly.

8

• Turn on the power of the connected component and set the output

 

 

 

correctly.

 

 

 

 

 

“OTHERS” or “Out

Check if the input signal format is acceptable on the monitor.

8, 9

of range” appears.

 

 

 

 

 

 

 

• Select the correct input with INPUT SELECT buttons.

6

 

Connect the signal cable firmly.

8

“NO SYNC”

• Select the correct sync signal (“SYNC TYPE”) of “SYNC FUNCTION”

12

 

in the SET UP MENU.

 

appears.

 

 

• Turn on the power of the connected component and output video

 

 

 

signals. Or, check if the video output of the component (video output

 

 

 

setting of the VCR or graphic board of the computer) is set correctly.

 

 

 

 

 

 

Adjust the picture using the adjustment buttons on the front panel or

6, 11

 

 

adjust the items of “PICTURE SUB ADJ.” in the SET UP MENU. Or,

 

Wrong color, no

 

perform “reset” in “PICTURE SUB ADJ.”

 

• Select the proper color system (“COLOR SYSTEM”) in the MAIN

10

color

 

MENU.

 

 

 

 

 

• Adjust the items of “WHITE BALANCE SET.” in the SET UP MENU.

11

 

 

Or, perform “reset” in “WHITE BALANCE SET.”

 

 

 

 

 

High luminance

Adjust the contrast using the adjustment buttons on the front panel

6, 11

parts of pictures

 

or adjust the “CONTRAST” of “PICTURE SUB ADJ.” in the SET UP

 

are not displayed

 

MENU.

 

properly.

If the Picture Mode is “DYNAMIC,” select another one.

6

 

 

 

 

14

Symptom

 

Probable cause and corrective action

Page

 

 

 

 

The picture

Adjust the picture contrast or brightness by using the adjustment

6, 11

 

buttons on the front panel. Or, adjust “CONTRAST” or “BRIGHT” of

 

becomes blurred.

 

 

 

“PICTURE SUB ADJ.” in the SET UP MENU.

 

 

 

 

 

 

 

 

 

Check if the setting of SCAN SIZE is appropriate.

6

 

Check if the input signal format is acceptable on the monitor.

9

Wrong picture

Check if the setting of aspect ratio is appropriate.

10

Adjust the picture size (H.SIZE/V.SIZE) or position (H.POSI./V.POSI.)

10, 11

position, wrong

 

of “SIZE/POSI. ADJ.” in the SET UP MENU. When you input analog

 

picture size.

 

 

 

RGB signals, perform “AUTO ADJUST” first.

 

 

 

 

 

For some signals, the picture cannot be displayed fully in the effective

 

 

screen area. There is no sure method to solve this problem.

 

 

 

 

 

 

The items which are not available for the current input or the current

Some items do not

 

input signal are not displayed on the menu. Change the input or the

 

 

input signal.

 

appear on the menu.

 

 

• The items controlled by the MAKE system are not displayed on the

13

 

 

 

menu.

 

 

 

 

Buttons on the

• Set “CONTROL LOCK” in the SET UP MENU to “OFF.”

12

monitor do not

• You cannot use the buttons for the items controlled by the MAKE

13

work.

 

system. Disable the external control.

 

 

 

 

 

The following are not malfunctions.

When a still image is displayed for a long time, it may remain indistinctly on the screen after the picture has changed. Though the remaining picture will disappear after a while, there may be a case that it remains for a long period depending on the length of time the still image was displayed for. This is due to the characteristics of the LCD display and is not a malfunction.

The red spots, blue spots and green spots on the panel surface are a normal characteristic of LCD displays, and not a problem. The LCD display is built with very high precision technology; however, be aware that a few pixels may be missing or constantly lit.

The following symptoms are problems only when pictures or sounds are not played back normally.

A slight electric shock occurs when you touch the monitor.

The top and/or rear panel of the monitor becomes hot.

The monitor emits a cracking noise.

The monitor emits a mechanical noise.

Image 15
Contents Illustration of the monitor is of LM-H191 LM-H191 LM-H171Instructions LCD Display Monitor Under the following conditions Safety PrecautionsHow to replace the fuse Turn off the power Unplug this product from the wall outletMaintenance European Union onlyImportant Recycling Information You can tilt the monitor as follows InstallationFix the monitor to a wall by using strings Higher position Lower positionFixing the monitor Front panel Daily Operations / ConnectionsFor some items, adjustments will be Made by pressing Confirmation message appearsPressing the button again finishes the menu operation Rear panel GND C Available signalsVideo RGB GND YMenu Configuration-MAIN Menu Adjusts the standard level for the picture adjustment C.SYNC input level is TTL Setting for the external control External Control onSetting for the synchronization with signals Control Lock Setting value OFF, onUsing the MAKE/TRIGGER system External ControlAbout the external control Troubleshooting Model name LM-H191 LM-H171 SpecificationsGeneral Monitor is malfunctioningInput/output terminals DimensionsVictor Company of Japan, Limited