JVC TM-2000SU TM-1600SU, TM-2000SU monitor instruction manual (318KB) - Page 13
Troubleshooting
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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 No power supply. No picture with the power on. No sound. Shaking picture. No colors, wrong color, or dark picture. Unnatural, irregularly colored, or distorted picture. Dark stripes appear at the top and bottom of the screen, picture vertically squeezed. White peak portion of the picture (for example, the lit part of a fluorescent lamp) is dark, unclear, and the color is blurred. Front panel button does not function. Points to be checked Is the power plug loosened or disconnected? Is the video signal output from the connected component? Is the input signal selected properly? Is the video cable disconnected? Is the audio signal output from the connected component? Is the volume output set to minimum? Is the audio cable disconnected? Is the monitor close to a device generating a strong magnetic field? Is the color system selected properly? Has the picture control setting (CONTRAST, BRIGHT, CHROMA or PHASE) been changed? Is the monitor close to a speaker, magnet or any other device generating a strong magnetic field? Is the aspect ratio set to 16:9? Is the BRIGHTNESS P.S. function set to ON? Are the operation buttons on the front panel locked? ( Has CONTROL LOCK function set to ON?) Measures (Remedy) Firmly insert the power plug. Set the connected component correctly. Select the required video signal input with the Input select button. (See page 6.) Connect the video signal cable firmly. (See pages 11 and 12.) Set the connected component correctly. Adjust the speaker volume with the VOLUME/ SELECT button. (See page 6.) Connect the audio signal cable firmly. (See pages 11 and 12.) Move the device away from the monitor until the picture stabilizes. Set the COLOR SYSTEM in the screen mode to [AUTO] mode. (See page 7.) Set each picture control to the standard setting. (See page 6.) Move the device away from the monitor and turn the monitor's power off. Wait at least 30 minutes, then turn the power on again. Set the ASPECT RATIO in the screen mode to [4 : 3 (4 - 3)] (See page 7.) When controlling externally, ASPECT RATIO should be set to [4 : 3 (4-3)]. (See pages 11 and 12.) Set the BRIGHTNESS P.S. function in the screen mode to OFF. (See page 7.) When controlling externally, BRIGHTNESS P.S. function should be set to OFF. (See pages 11 and 12.) Set the CONTROL LOCK to OFF in the screen mode. (See pages 8 and 9.) The following are not malfunctions: ● When a bright still image (such as a white cloth) is displayed for a long period, it may appear to be colored. This is due to the structure of the cathode ray tube and will be deleted when another image is displayed. ● You experience a mild electric shock when you touch the picture tube. This phenomenon is due to a normal buildup of static electricity on the CRT and is not harmful. ● The monitor emits a strange sound when the room temperature changes suddenly. This is only a problem if an abnormality appears on the screen as well. ● If two or more monitors are operated next to each other, their images may shake or be distorted. This phenomenon is due to mutual interference; it is not a malfunction. Move the monitors away from each other until the interference disappears or turn the power off on any monitor that is not being used. 13