Nec XV29 Plus User Manual download pdf (Page 24)

Troubleshooting

Before arranging for service by the NEC Service Center, check the following to be sure repairs are needed.

Problem

No Picture or Sound

Sound OK; poor picture

with VIDEO signal input.

Sound OK; poor picture with

RGB signal input.

Picture OK; poor or no sound.

Poor sound from external speakers

or stereo system speakers

Remote control does not work.

POWER/STANDBY indicator is

blinking

Correction

Plug in power cord.

Be sure wall switch is on and outlet has power.

Switch to ON or connect to an active AC outlet.

Correct all connections.

Select correct RGB1, RGB 2, VIDEO 1 or VIDEO 2 source.

Adjust picture controls as needed.

Try another location for the monitor.

Be sure all connections are secure.

Adjust picture controls as needed.

Check pin assignments and connections.

Be sure all connections are secure.

Adjust volume.

Correct audio connections.

Adjust volume controls.

Press again to restore sound.

Secure all cable connections.

Check volume controls of all components.

Install new batteries.

Point remote control directly at Sensor Window.

Use the remote control unit within 30° left and right

of center (at a distance of within 22ft).

Set Pin no. 2 of DIP SW to ON/OPEN.

Check the input signal.

Possible Cause

Power cord unplugged.

Power outlet inactive.

Power of external equipment is not ON.

External equipment has been incorrectly connected.

Incorrect input selection.

Improper control setting.

Local interference.

Cable interconnections.

Improper control setting.

Incorrect 15 PIN connector pin connections.

Cable interconnections.

Volume is not adjusted.

Poor audio connections from external source.

Improper control settings.

MUTE key is ON.

Cable interconnections.

Improper volume setting.

Weak batteries.

Obstacle between Remote Control and Sensor

Window.

You are not within the effective operating range.

Incorrect setting of No. 2 pin of the DIP SW.

Horizontal and/or vertical sync signal is not present

when the Intelligent Power Manager control is on.

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Nec XV29 Plus User Manual Page 24

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