Read Sony HMD-A420 (serv.man3) Service Manual online
HMD-A420
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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, 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.
a problem with your monitor or computer, 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.
If the
!
(power) indicator is green
1
Disconnect the video input cable or turn off the
connected computer.
connected computer.
2
Press the
!
(power) button twice to turn the monitor
off and then on.
3
Move the control button
,
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 cable and check
the condition of your computer.
is working properly. Reconnect the video input cable and check
the condition of your computer.
If the color bars do not appear, there is a potential monitor failure.
Inform your authorized Sony dealer of the monitor’s condition.
Inform your authorized Sony dealer of the monitor’s condition.
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.
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 video board.
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 video board.
MENU
!
(power) indicator
MENU
This monitor meets the power-saving guidelines set by VESA,
E
NERGY
S
TAR, and NUTEK. If no signal is received by the
monitor from the connected computer, the monitor will
automatically reduce power consumption as shown below.
automatically reduce power consumption as shown below.
*
Figures reflect power consumption when no USB compatible
peripherals are connected to the monitor.
peripherals are connected to the monitor.
** When your computer enters the “active off” mode, the input signal is
cut and NO INPUT SIGNAL appears on the screen. After 20 seconds,
the monitor enters the power saving mode.
the monitor enters the power saving mode.
Power mode
Power
consumption
consumption
*
!
(power)
indicator
normal
operation
operation
≤
150 W
green
active off**
≤
3 W
orange
power off
0 W
off
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