JVC TM-A9UCV ユーザーズマニュアル

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PICTURE ADJUSTMENTS
Turn a separate front panel control to adjust picture contrast, picture brightness, picture
color density and picture hue respectively:
䡲 
CONTRAST (picture contrast) control
Softer   
CONTRAST
   Clearer
䡲 
BRIGHT (picture brightness) control
Darker   
BRIGHT
   Brighter
䡲 
CHROMA (picture color density) control
Thinner   
CHROMA
   Denser
䡲 
PHASE (picture hue) control
Purplish   
PHASE
   Greenish
Problems
Points to be checked
Measures
No power supply.
Is the power plug connected to the 
AC outlet?
Securely connect the power plug to the 
AC outlet. 
No picture or sound.
Is the monitor turned on?
Press the POWER switch to turn the
monitor ON (see pages 4 and 5).
Is an output signal coming in from a 
source component?
Perform required settings on the output 
component.
Is the cable connected improperly?
Connect both the video/audio signal 
cables securely and properly (see 
pages 4 and 5).
Normal picture but no sound.
Is audio level set to the minimum?
Adjust the VOLUME control (see 
pages 4 and 5).
Is the audio signal cable connected 
improperly?
Connect the audio signal cable 
securely and properly (see pages 4 
and 5).
Normal sound but no picture.
Is the video signal cable disconnected 
or connected improperly?
Connect the video signal cable 
securely and properly (see pages 4 
and 5).
No color, wrong color, or dark 
picture.
Have the picture settings been 
changed? 
Adjust CHROMA, BRIGHT, CONTRAST 
and/or PHASE controls (see pages 4 
and 6).
Shaking picture.
Is there a device generating a strong 
magnetic field (motor, transformer, 
etc.) near the monitor?
Move it away from the monitor until the 
picture becomes stable. 
Unnatural, irregularly colored or 
distorted picture.
Is there a speaker, magnet or any 
other magnetized object near the 
monitor?
After moving it away from the monitor, 
turn the monitor’s power off. After 30 
minutes or more, turn the power on 
again. 
Before concluding a problem has occurred, check the following points. If the problem persists
after carrying out the checks, disconnect the power cord from the AC outlet and consult the
dealer from whom you purchased the monitor.
Note:
The audio function can only be used with the TM-A9U.
It is not available with the TM-A9UCV.
TROUBLESHOOTING