R5912860 /13
AMM215WTD
30
6.1 Troubleshooting list
To diagnose a problem
Before sending your LCD display for servicing, check the troubleshooting list below to see if you can self-
diagnose the problem.
Problem
Current status
Remedy
No picture
Power LED ON
Using the OSD, adjust brightness
and contrast to maximum or reset
to the default settings.
Power LED OFF
Check the Standby Power Button
and Power switch.
Check if the AC power cord is
properly connected to the AC-
Adaptor.
Power LED blinking
Check if the video signal cable is
properly connected at the back of
the display.
Check if the power to the computer
system is ON.
Abnormal picture
Unstable picture
Check if the specification of the
graphics adapter and the display is
in compliance, which may be
causing the input signal frequency
mismatch.
Display is missing, center shift, or
too small or too large in display size
Using the Screen Control Menu,
adjust the Phase, Frequency,
Horizontal, and Vertical settings in
order to correct the display image.
Abnormal Picture
(When a signal is changed 1080/
23.98~30p to 1080/50i~60i or vice
versa)
Press and hold the rotary knob
switch in order to search for a new
timing
Summary of Contents for AMM215WTD
Page 1: ...ENABLING BRIGHT OUTCOMES User Guide LCD color display AMM215WTD...
Page 4: ...R5912860 13 AMM215WTD 4 7 10 Connectors 45...
Page 10: ...R5912860 13 AMM215WTD 10 Welcome...
Page 15: ...15 R5912860 13 AMM215WTD Daily operation 3...
Page 18: ...R5912860 13 AMM215WTD 18 Daily operation...
Page 19: ...19 R5912860 13 AMM215WTD Advanced operation 4...
Page 26: ...R5912860 13 AMM215WTD 26 Advanced operation...
Page 27: ...27 R5912860 13 AMM215WTD Cleaning your display 5...
Page 29: ...29 R5912860 13 AMM215WTD Troubleshooting 6...
Page 31: ...31 R5912860 13 AMM215WTD Important information 7...
Page 47: ......