Sony Trinitron CPD-E400E: Technical Features Troubleshooting

Technical Features

Troubleshooting

Before contacting technical support, refer to this section.

Preset and user modes

If thin lines appear on your screen

When the monitor receives an input signal, it automatically

matches the signal to one of the factory preset modes stored in the

(damper wires)

monitor’s memory to provide a high quality picture at the center of

the screen.

(See Appendix for a list of the factory preset modes.)

The lines you are experiencing on your screen are normal for the

For input signals that do not match one of the factory preset modes,

Trinitron monitor and are not a malfunction. These are shadows

the digital Multiscan technology of this monitor ensures that a

from the damper wires used to stabilize the aperture grille and are

clear picture appears on the screen for any timing in the monitor’s

most noticeable when the screen’s background is light (usually

frequency range (horizontal: 30 – 96 kHz, vertical: 48 – 120 Hz).

white). The aperture grille is the essential element that makes a

If the picture is adjusted, the adjustment data is stored as a user

Trinitron picture tube unique by allowing more light to reach the

mode and automatically recalled whenever the same input signal

screen, resulting in a brighter, more detailed picture.

is received.

Damper wires

Note for Windows users

For Windows users, check your video board manual or the utility

program which comes with your graphic board and select the

highest available refresh rate to maximize monitor performance.

Power saving function

On-screen messages

This monitor meets the power-saving guidelines set by VESA,

If no picture appears on the screen, one of the following messages

GB

E

NERGY

S

TAR, and NUTEK. If the monitor is connected to a

appears on the screen. To solve the problem, see “Trouble

computer or video graphics board that is DPMS (Display Power

symptoms and remedies” on page 16.

Management Signaling) compliant, the monitor will automatically

reduce power consumption in three stages as shown below

.

Power mode Power consumption

1

(power)

indicator

normal

≤

140 W green

operation

1 standby

≤

15 W green and orange

The input signal condition

OUT OF SCAN RANGE

alternate

indicates that the input signal is not supported by the monitor’s

2 suspend

≤

15 W green and orange

specifications.

(sleep)*

alternate

NO INPUT SIGNAL

3 active off**

≤

3 W orange

indicates that no signal is input.

(deep sleep)*

MONITOR IS IN POWER SAVE MODE

indicates that the computer is in power saving mode. This

power off 0 W off

message is displayed only when your computer is in a power

saving mode and you press any one of the buttons on the monitor.

* “Sleep” and “deep sleep” are power saving modes defined by the

Environmental Protection Agency.

** When your computer is in a power saving mode, MONITOR IS IN

POWER SAVE MODE appears on the screen if you press any button

on the monitor. After a few seconds, the monitor enters the power

saving mode again.

15

Input signal condition