Read Sony HMD-A240 / HMD-A440 Service Manual online
8
If thin lines appear on the screen
(damper wires)
These lines do not indicate a malfunction; they are a normal
effect of the Trinitron picture tube with this monitor. These are
shadows from the damper wires used to stabilize the aperture
grille. 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.
effect of the Trinitron picture tube with this monitor. These are
shadows from the damper wires used to stabilize the aperture
grille. 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.
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 1 (power) indicator will either light up green or
flash orange. If the 1 (power) indicator is lit in orange, the
computer is in power saving mode. Try pressing any key on the
keyboard or moving the mouse.
a problem with your monitor or computer, the screen will go
blank and the 1 (power) indicator will either light up green or
flash orange. If the 1 (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 1 (power) indicator is green
1
Disconnect the video input cable or turn off the
connected computer.
connected computer.
2
Press the 1 (power) button twice to turn the monitor
off and then on.
off and then on.
3
Move the joystick
, for 2 seconds.
If all 4 color bars appear (white, red, green, blue), the monitor is
working properly. Reconnect the video input cables. Adjust the
brightness and contrast, and check the monitor. If the fault still
exists, check 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.
working properly. Reconnect the video input cables. Adjust the
brightness and contrast, and check the monitor. If the fault still
exists, check 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.
x If the 1 (power) indicator is flashing orange
Turn the monitor OFF and then ON.
If the 1 (power) indicator lights up green, the monitor is working
properly.
If the 1 (power) indicator is still flashing, there is a potential
monitor failure. Count the number of seconds between orange
flashes of the 1 (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 graphics board.
properly.
If the 1 (power) indicator is still flashing, there is a potential
monitor failure. Count the number of seconds between orange
flashes of the 1 (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 graphics board.
Specifications
HMD-A240
CRT
CRT
0.24 mm aperture grille pitch (center)
17 inches measured diagonally
90-degree deflection
FD Trinitron
17 inches measured diagonally
90-degree deflection
FD Trinitron
Viewable image size
Approx. 327
× 243 mm (w/h)
(12
7
/
8
× 9
5
/
8
inches)
Viewing image
Approx. 406 mm (16 inches)
Resolution
Maximum
Horizontal: 1280 dots
Vertical: 1024 lines
Vertical: 1024 lines
Recommended
Horizontal: 1024 dots
Vertical: 768 lines
Vertical: 768 lines
Standard image area
Approx. 312
× 234 mm (w/h)
(12
3
/8
× 9
1
/4 inches)
Deflection frequency*
Horizontal: 30 to 70 kHz
Vertical: 48 to 120 Hz
Vertical: 48 to 120 Hz
AC input voltage/current
100 - 120 V, 50 - 60 Hz, Max. 1.7 A
Power consumption
Approx. 100 W
Operating temperature
10 ºC to 40 ºC
Dimensions
Approx. 422
× 432 × 426 mm (w/h/d)
(16
5
/8
× 17
1
/8
× 16
1
/2 inches)
Mass (Monitor Weight)
Approx. 18 kg (39.1 lb)
Plug and Play
DDC2B/DDC2Bi,
GTF
GTF
Supplied accessories
Power cord (1)
Warranty card (1)
This instruction manual (1)
Warranty card (1)
This instruction manual (1)
HMD-A440
CRT
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)
Viewing image
Approx. 456 mm (18 inches)
Resolution
Maximum
Horizontal: 1920 dots
Vertical: 1440 lines
Vertical: 1440 lines
Recommended
Horizontal: 1280 dots
Vertical: 1024 lines
Vertical: 1024 lines
Standard image area
Approx. 352
× 264 mm (w/h)
(13
7
/8
× 10
3
/8 inches)
Deflection frequency*
Horizontal: 30 to 96 kHz
Vertical: 48 to 170 Hz
Vertical: 48 to 170 Hz
AC input voltage/current
100 - 120 V, 50 - 60 Hz, Max. 2.0 A
Power consumption
Approx. 130 W
Operating temperature
10 ºC to 40 ºC
Dimensions
Approx. 461
× 479 × 471 mm (w/h/d)
(18
1
/8
× 19
1
/8
× 18
1
/2 inches)
Mass (Monitor Weight)
Approx. 26 kg (57 lb)
Plug and Play
DDC2B/DDC2Bi,
GTF
GTF
Supplied accessories
Power cord (1)
Warranty card (1)
This instruction manual (1)
Warranty card (1)
This instruction manual (1)
*
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 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.
Design and specifications are subject to change without notice.
Damper
wires
wires
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