Resetting The Adjustments; Technical Features; Troubleshooting; Power Saving Function - Sony GDM-5402 Service Manual

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Resetting the adjustments

This monitor has the following three reset methods. Use the 0
(reset) button to reset the adjustments.
Resetting a single adjustment item
, m/M buttons to select the adjustment item you want
Use the
to reset, and press the 0 (reset) button.
Resetting all of the adjustment data for the
current input signal
Press the 0 (reset) button when no menu is displayed on the
screen.
Note that the following items are not reset by this method:
• on-screen menu language (page 7)
• adjustment mode in the COLOR menu (EASY, EXPERT,
sRGB) (page 12)
• on-screen menu position (page 13)
• control lock (page 13)
Resetting all of the adjustment data for all input
signals
Press and hold the 0 (reset) button for more than two seconds.
Note
(CONTROL
The 0 (reset) button does not function when
LOCK) is set to ON.

Technical Features

Power saving function

This monitor meets the power-saving guidelines set by VESA,
E
NERGY
S
TAR, and NUTEK. If the monitor is connected to a
computer or video graphics board that is DPMS (Display Power
Management Signaling) compliant, the monitor will automatically
reduce power consumption in three stages as shown below.
1 (power)
Power mode Power consumption
indicator
normal
145 W
green
operation
1 standby
100 W
green and orange
alternate
2 suspend
15 W
green and orange
(sleep)*
alternate
3 active off**
Approx. 1 W
orange
(deep sleep)*
power off
0 W
off
* "Sleep" and "deep sleep" are power saving modes defined by the
Environmental Protection Agency.
** When your computer enters a power saving mode, the input signal is
cut and NO INPUT SIGNAL appears on the screen. After a few
seconds, the monitor enters power saving mode.

Troubleshooting

Before contacting technical support, refer to this section.
If thin lines appear on your screen

(damper wires)

The lines you are experiencing on your screen are normal for the
Trinitron monitor and are not a malfunction. These are shadows
from the damper wires used to stabilize the aperture grille and are
most noticeable when the screen's background is light (usually
white). The aperture grille is the essential element that makes a
Trinitron picture tube unique by allowing more light to reach the
screen, resulting in a brighter, more detailed picture.
Damper wires
On-screen messages
If there is something wrong with the input signal, one of the
following messages appears on the screen.
If NO INPUT SIGNAL appears on the screen
I NFORMA T I ON
MON I TOR I S WORK I NG
I NPUT
1 :
NO I NPUT
S I GNA L
ACT I VA T E US I NG PC
CHECK I NPUT SE L ECT R
O
CHECK S I GNA L CAB L E
WH I T E
RED
GREEN
B L UE
1 The selected connector
This message shows the currently selected connector
(INPUT 1 or INPUT 2).
2 The input signal condition
NO INPUT SINGAL
This indicates that no signal is input, or that no signal is input
from the selected connector.
3 The remedies
One or more of the following messages may appear on the
screen.
• If ACTIVATE USING PC appears on the screen, try
pressing any key on the computer, and confirm that your
computer's graphic board is completely seated in the
correct bus slot.
• If CHECK INPUT SELECTOR appears on the screen, try
changing the input signal (page 7).
• If CHECK SIGNAL CABLE appears on the screen, check
that the monitor is correctly connected to the computer
(page 6).
If OUT OF SCAN RANGE appears on the screen
I NFORMA T I ON
MON I TOR I S WORK I NG
I NPUT
1 : 1 3 0 . 0 k H z /
7
5
H
z
OUT OF SCAN RANGE
CHANGE S I GNA L T I M I NG
WH I T E
RED
GREEN
B L UE
1 The selected connector and the frequencies of the
current input signal
This message shows the currently selected connector
(INPUT 1 or INPUT 2). If the monitor recognizes the
frequencies of the current input signal, the horizontal and
vertical frequencies are also displayed.
2 The input signal condition
OUT OF SCAN RANGE
This indicates that the input signal is not supported by the
monitor's specifications.
3 The remedies
CHANGE SIGNAL TIMING appears on the screen. If you
are replacing an old monitor with this monitor, reconnect the
old monitor. Then adjust the computer's graphic board to that
the horizontal frequency is between 30 - 121 kHz, and the
vertical frequency is between 48 - 160 Hz.
For more information, see "Trouble symptoms and remedies" on
page 16.
US

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