Troubleshooting – Marantz PD6120D User Manual

Page 56

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49

Symptom

Picture is disturbed.
Sound is noisy.
Remote control operates erroneously.
The remote control does not work.

Monitor’s power does not turn on
when the remote control’s power
button is pressed.

Monitor does not operate when the
remote control’s buttons are pressed.

No sound or picture is produced.

Picture appears but no sound is
produced.

Poor picture with VIDEO signal input.

Poor picture with RGB signal input.

Tint is poor or colors are weak.
Nothing appears on screen.

Part of picture is cut off or picture is
not centered.
Image is too large or too small.

Picture is unstable.

POWER/STANDBY indicator is
lighted in orange or red.

POWER/STANDBY indicator is
blinking in red.

POWER/STANDBY indicator is
blinking in green.

Checks

• Is a connected component set directly in

front or at the side of the display?

• Are the remote control’s batteries worn

out?

• Is the monitor’s power cord plugged into

a power outlet?

• Are all the monitor’s indicators off?

• Are the remote control’s batteries worn

out?

• Is the remote control pointed at the

monitor, or is there an obstacle between
the remote control and the monitor?

• Is direct sunlight or strong artificial light

shining on the monitor’s remote control
sensor?

• Are the remote control’s batteries worn

out?

• The remote cable is plugged into the

REMOTE IN terminal (Wired).

• The front panel buttons of the main unit

do not function.

• Is the monitor’s power cord plugged into a

power outlet?

• Is the volume set at the minimum?
• Is the mute mode set?
• Are the speakers properly connected?

• Is AUDIO INPUT set correctly?

• Improper control setting.

Local interference.
Cable interconnections.
Input impedance is not correct level.

• Improper control setting.

Incorrect 15 PIN connector pin
connections.

• Are the tint and colors properly adjusted?
• Is the computer’s power turned on?
• Is a source connected?
• Is the power management function in the

standby or off mode?

• Is the position adjustment appropriate?

• Is the screen size adjustment

appropriate?

• Is the computer’s resolution setting

appropriate?

• Horizontal and / or vertical sync signal is

not present when the Intelligent Power
Manager control is on.

• The temperature inside the main unit has

become too high and has activated the
protector.

——————

Remedy

• Leave some space between the display and

the connected components.

• Replace both batteries with new ones.

• Plug the monitor’s power cord into a power

outlet.

• Press the power button on the monitor to

turn on the power.

• Replace both batteries with new ones.

• Point the remote control at the monitor’s

remote control sensor when pressing
buttons, or remove the obstacle.

• Eliminate the light by closing curtains,

pointing the light in a different direction, etc.

• Replace both batteries with new ones.

• Unplung the remote cable from the monitor.

• The front panel buttons do not function

during Control Lock.

• Plug the monitor’s power cord into a power

outlet.

• Increase the volume.
• Press the remote control’s MUTE button.
• Connect the speakers properly.
• Set AUDIO INPUT on the OPTION menu

correctly.

• Adjust picture control as needed.

Try another location for the monitor.
Be sure all connections are secure.

• Adjust picture controls as needed.

Check pin assignments and connections.

• Adjust the tint and color (under “PICTURE”).
• Turn on the computer’s power.
• Connect source to the monitor.
• Operate the computer (move the mouse,

etc.).

• Adjust the “SCREEN” properly.

• Press the “WIDE” button on the remote

control and adjust properly.

• Set to the proper resolution.

• Check the input signal.

• Promptly switch off the power of the main

unit and wait until the internal temperature
drops. See*1.

• Prompty switch off the power of the main

unit. See *2.

*1 Overheat protector

If the monitor becomes too hot, the overheat protector will be activated and the monitor will be turned off. If this happens., turn off the power to the
monitor and unplug the power cord. If the room where the monitor is installed is particularly hot, move the monitor to a cooler location and wait for the
monitor to cool for 60 minutes. If the problem persists, contact your Marantz dealer for service.

*2 In the following case, power off the monitor immediately and contact your dealer or authorized Marantz Service Center.

The monitor turns off 5 seconds after powering on and then the POWER/STANDBY indicator blinks. It indicates that the power supply circuit or, one or
more fans have been damaged.

If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting service.

Troubleshooting

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