GDM-FW900 - Sony Monitor Service Manual (repair manual). Page 3

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GDM-FW900
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POWER  SAVING  FUNCTION
DIAGNOSIS
This monitor is equipped with a self-diagnosis function. If there is 
a problem with your monitor or computer(s), the screen will go 
blank and the ! (power) indicator will either light up green or 
flash orange. If the ! (power) indicator is lit in orange, the 
computer is in power saving mode. Try pressing any key on the 
keyboard or moving the mouse.
x
If the 
!
 (power) indicator is green
1
Disconnect any plugs from the video input 1 and 2 
connectors, or turn off the connected computer(s).
2
Press the 
!
 (power) button twice to turn the monitor 
off and then on.
3
Move the joystick to the right for 2 seconds before 
the monitor enters power saving mode.
If all four color bars appear (white, red, green, blue), the monitor 
is working properly. Reconnect the video input cables and check 
the condition of your computer(s).
If the color bars do not appear, there is a potential monitor failure. 
Inform your authorized Sony dealer of the monitor’s condition. 
x
If the 
!
 (power) indicator is flashing orange
Press the 
!
 (power) button twice to turn the monitor off 
and then on.
If the ! (power) indicator lights up green, the monitor is working 
properly.
If the ! (power) indicator is still flashing, there is a potential 
monitor failure. Count the number of seconds between orange 
flashes of the ! (power) indicator and inform your authorized 
Sony dealer of the monitor’s condition. Be sure to note the model 
name and serial number of your monitor. Also note the make and 
model of your computer and graphic board.
MENU
INPUT
ASC
RESET
2
1
!
 (power) indicator
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.
*
Figures reflect power consumption when no USB compatible 
peripherals are connected to the monitor.
** “Sleep” and “deep sleep” are power saving modes defined by the 
Environmental Protection Agency.
*** When your computer enters power saving mode, the input signal is 
cut and NO INPUT SIGNAL appears on the screen before the 
monitor enters active off mode. After a few seconds, the monitor 
enters power saving mode. 
Power mode
Power 
consumption
*
!
 (power) 
indicator
normal 
operation
 170 W
green
1 standby
 15 W
green and orange 
alternate
2 suspend
(sleep)**
 15 W
green and orange 
alternate
3 active off***
(deep sleep)**
 1 W
orange
power off
0 W
off
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