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To display this monitor’s name, serial number, and
date of manufacture.
While the monitor is receiving a
video signal, press and hold the
MENU button for more than
5 seconds to display this
monitor’s information box.
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.
Self-diagnosis function
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 Turn the monitor OFF and then ON.
3 Hold the control button upward for a few seconds
before the monitor enters power saving mode.
If all 4 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
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 graphics board.
Specifications
CRT
0.22 mm aperture grille pitch, 90-degree deflection, FD Trinitron
GDM-F520 21 inches measured diagonally
GDM-F420 19 inches measured diagonally
Viewable image size
GDM-F520 Approx. 403.8
× 302.2 mm (w/h) (16 × 12 inches)
19.8" viewing image
GDM-F420 Approx. 365
× 274 mm (w/h) (14
3
/8 × 10
7
/8 inches)
18.0" viewing image
Resolution (H:Horizontal, V:Vertical)
GDM-F520 Maximum: H: 2048 dots, V: 1536 lines
Recommended: H: 1600 dots, V: 1200 lines
GDM-F420 Maximum: H: 1920 dots, V: 1440 lines
Recommended: H: 1280 dots, V: 1024 lines
Input signal levels
Video signal: Analog RGB: 0.700 Vp-p (positive), 75
Ω
SYNC signal: H/V separate or composite sync:
TTL 2 k
Ω, Polarity free
Sync on Green: 0.3 Vp-p (negative)
Standard image area
GDM-F520 Approx. 388
× 291 mm (4:3)
(15
3
/8 × 11
1
/2 inches) or
Approx. 364
× 291 mm (5:4)
(14
3
/8 × 11
1
/2 inches)
GDM-F420 Approx. 352
× 264 mm (4:3)
(13
7
/8 × 10
1
/2 inches) or
Approx. 330
× 264 mm (5:4)
(13
× 10
1
/2 inches)
Deflection frequency (H:Horizontal, V:Vertical)
GDM-F520 H: 30 to 137 kHz, V: 48 to 170 Hz
GDM-F420 H: 30 to 115 kHz, V: 48 to 170 Hz
AC input voltage/current
100 to 240 V, 50 – 60 Hz, 2.0 – 1.0 A
Power Consumption (with no USB devices connected)
GDM-F520 Approx. 145 W
GDM-F420 Approx. 135 W
Operating temperature
10 ºC to 40 ºC
Dimensions
GDM-F520 Approx. 497
× 499 × 487 mm (w/h/d)
(19
5
/8 × 19
3
/4 × 19
1
/4 inches)
GDM-F420 Approx. 446
× 472 × 463 mm (w/h/d)
(17
5
/8 × 18
5
/8 × 18
1
/4 inches)
Mass
GDM-F520 Approx. 30 kg (66 lb 2 oz)
GDM-F420 Approx. 26 kg (57 lb 5 oz)
Plug and Play DDC2B/DDC2Bi
Supplied accessories
Power cord
HD15 video signal cable
USB cable
Exclusive Power Mac G3/G4 adapter
This instruction manual
W
R
G
B
SER NO
:
1234567
MODEL
:
GDM F520
MANUFACTURED
: 2000-52
INFORMATION
Damper
wires
(continued)