Read Sony HMD-A400 Service Manual online
1-6
14
* If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a
malfunction.
Displaying this monitor’s name, serial number,
and date of manufacture
and date of manufacture
1
Press the center of the control button.
The main MENU appears on the screen.
2
Move the control button
m
/
M
to highlight
LANGUAGE/INFORMATION and press the center
of the control button.
The LANGUAGE/INFORMATION menu appears on the
screen.
screen.
3
Move the control button
m
/
M
to select
.
This monitor’s information menu appears on the screen.
If the problem persists, call your authorized Sony dealer and give
the following information.
• Model name: HMD-A400
• Serial number
• Name and specifications of your computer and graphics board.
the following information.
• Model name: HMD-A400
• Serial number
• Name and specifications of your computer and graphics board.
Color is not uniform
• Degauss the monitor* (page 11). If you place equipment that generates a magnetic field,
such as a speaker, near the monitor, or if you change the direction the monitor faces, color
may lose uniformity.
may lose uniformity.
White does not look white
• Adjust the color temperature (page 11).
Letters and lines show red or blue
shadows at the edges
shadows at the edges
• Adjust the convergence (page 10).
USB peripherals do not function
• Check that the appropriate USB connectors are securely connected (page 7).
• Check that the
• Check that the
!
(power) switch is in the “on” position.
x
Problems caused by the connected computer or other equipment
• Check that the power of any self-powered USB compliant peripheral devices is “on.”
• Install the latest version of the device driver on your computer. Contact your device’s
• Install the latest version of the device driver on your computer. Contact your device’s
manufacturer for information about the appropriate device driver.
• If your USB compliant keyboard or mouse does not function, connect them directly to
your computer, reboot your computer, and make any necessary adjustments to the USB
settings. Then reconnect the keyboard or mouse to the monitor. If you connect a keyboard
or mouse to the USB connectors and then boot your computer for the first time, the
peripheral devices may not function.
settings. Then reconnect the keyboard or mouse to the monitor. If you connect a keyboard
or mouse to the USB connectors and then boot your computer for the first time, the
peripheral devices may not function.
• For customers using Windows 95
1. Right-click on My Computer and select Properties.
2. Click on the Device Manager tab. Scroll down and select Universal Serial Bus
2. Click on the Device Manager tab. Scroll down and select Universal Serial Bus
Controller.
If Universal Serial Bus Controller does not appear, you need to load a USB supplement
disk. Contact your computer’s manufacturer for more information about obtaining a
USB supplement disk.
If Universal Serial Bus Controller does not appear, you need to load a USB supplement
disk. Contact your computer’s manufacturer for more information about obtaining a
USB supplement disk.
3. Select Generic USB Device from the USB controller list and click on Properties.
4. If there is a check in the box next to “Disable in this hardware profile,” remove the
4. If there is a check in the box next to “Disable in this hardware profile,” remove the
check.
5. Click on Refresh.
A hum is heard right after the
power is turned on
power is turned on
• This is the sound of the auto-degauss cycle. When the power is turned on, the monitor is
automatically degaussed for five seconds.
Symptom
Check these items
MODE L : HMD - A 4 0 0
SER I A L : 1 2 3 4 5 6 7 8
MANUF ACTURED : 2 0 0 0 . 5 2
SE L ECT
EX I T
LANGUAGE / I NFORMAT I ON
Example
15
US
Self-diagnosis function
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
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.
If the
!
(power) indicator is still flashing, there is a potential
monitor failure. Count the number of seconds between orange
flashes of the
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.
name and serial number of your monitor. Also note the make and
model of your computer and video board.
Specifications
CRT
0.24 mm aperture grille pitch (center)
19 inches measured diagonally
90-degree deflection
FD Trinitron
19 inches measured diagonally
90-degree deflection
FD Trinitron
Viewable image size
Approx. 365
×
274 mm (w/h)
(14
3
/
8
×
10
7
/
8
inches)
18.0" viewing image
Resolution
Maximum
Horizontal: 1600 dots
Vertical: 1200 lines
Vertical: 1200 lines
Recommended
Horizontal: 1280 dots
Vertical: 1024 lines
Vertical: 1024 lines
Standard image area
Approx. 352
×
264 mm (w/h)
(13
7
/
8
×
10
1
/
2
inches)
Deflection frequency*
Horizontal: 30 to 86 kHz
Vertical: 48 to 120 Hz
Vertical: 48 to 120 Hz
AC input voltage/current 100 – 120 V, 50 – 60 Hz, 2.3 A
Power consumption
Power consumption
Max. 150 W
Dimensions
Approx. 497
×
458
×
469 mm
(w/h/d)
(19
(19
5
/
8
×
18
1
/
8
×
18
1
/
2
inches)
Mass
Approx. 26 kg (57 lb 5 oz)
Plug and Play
DDC2B/DDC2Bi
Supplied accessories
See page 6
* Recommended horizontal and vertical timing condition
• Horizontal sync width should be more than 1.0 µsec.
• Horizontal blanking width should be more than 3.0 µsec.
• Vertical blanking width should be more than 500 µsec.
• Horizontal blanking width should be more than 3.0 µsec.
• Vertical blanking width should be more than 500 µsec.
Design and specifications are subject to change without notice.
MENU
!
(power) indicator
MENU
Click on the first or last page to see other HMD-A400 service manuals if exist.