Computer Monitor User Manual
19
ENGLISH
Troubleshooting
Solutions to common problems related to your monitor are described here. If none of the solutions presented here 
solves the problem, unplug the monitor and consult a JVC-authorized dealer or service center for assistance.
Problems Points to be checked Measures (Remedy)
Reference 
pages
No power supply
Is the power plug loosened or 
disconnected?
Firmly insert the power plug.
— 
No picture with the 
power on
Is the signal cable disconnected? Connect the signal cable firmly.  10, 11
Is the power of the connected 
component on?
Is the signal being output from the 
connected component? 
Turn on the power of the connected 
component and set the output correctly.
—
Is the input selected correctly? Select the correct input with the INPUT 
SELECT buttons. 
9
Is the input signal adapted to the monitor’s 
specification?
Check if the input signal format is 
acceptable to the monitor.
21
“OTHERS” or “Out 
of range” appears.
Is the input signal adapted to the monitor’s 
specification?
Check if the input signal format is 
acceptable to the monitor.
21
“NO SYNC” 
appears.
Is the signal cable disconnected? Connect the signal cable firmly. 10, 11
Is the input selected correctly? Select the correct input with the INPUT 
SELECT buttons. 
9
Is the power of the connected 
component on? 
Is the signal being output from the 
connected component?
Turn on the power of the connected 
component and set the output correctly.
—
No sound
Is the signal cable disconnected? Connect the signal cable firmly.  10, 11
Is the signal being output from the 
connected component? 
Turn on the power of the connected 
component and set the output correctly.
—
Is the volume set to minimum? Adjust the volume level. 8
Wrong color, no 
color
Has the picture adjustment been changed? Adjust the picture by using the buttons on 
the front panel or the items in “PICTURE 
SUB ADJ.” in the SET-UP MENU. Or, 
perform “reset” in “PICTURE SUB ADJ.”
8, 16
Has the white balance setting been 
changed?
Change “COLOR TEMP.” in the SET-UP 
MENU. Or, perform “all reset” in the MAIN 
MENU.
14, 16
Is the correct color system selected? Set “COLOR SYSTEM” correctly in the 
MAIN MENU.
14
Has the BLUE CHECK/COLOR OFF 
button been pressed?
Press the BLUE CHECK/COLOR OFF 
button to resume normal display.
9
Unnatural picture
Has “CONTRAST” or “BRIGHT” been 
changed?
Adjust picture contrast or brightness 
by using the buttons on the front panel. 
Or, adjust “CONTRAST” or “BRIGHT” 
in “PICTURE SUB ADJ.” in the SET-UP 
MENU. 
8, 16
03_TM-15L1D-EN2.indd 1903_TM-15L1D-EN2.indd 19 06.11.15 1:07:41 PM06.11.15 1:07:41 PM










