Read Sony CPD-G420 Service Manual online
SECTION 1
GENERAL
1-1
The operating instructions mentioned here are partial abstracts
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remain as in the manual.
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remain as in the manual.
4
Precautions
Warning on power connections
• Use the supplied power cord. If you use a different power cord,
be sure that it is compatible with your local power supply.
• Before disconnecting the power cord, wait at least 30 seconds
after turning off the power to allow the static electricity on the
screen’s surface to discharge.
screen’s surface to discharge.
• After the power is turned on, the screen is demagnetized
(degaussed) for about a few seconds. This generates a strong
magnetic field around the screen which may affect data stored
on magnetic tapes and disks placed near the monitor. Be sure to
keep magnetic recording equipment, tapes, and disks away
from the monitor.
magnetic field around the screen which may affect data stored
on magnetic tapes and disks placed near the monitor. Be sure to
keep magnetic recording equipment, tapes, and disks away
from the monitor.
Installation
Do not install the monitor in the following places:
• on surfaces (rugs, blankets, etc.) or near materials (curtains,
• on surfaces (rugs, blankets, etc.) or near materials (curtains,
draperies, etc.) that may block the ventilation holes
• near heat sources such as radiators or air ducts, or in a place
subject to direct sunlight
• in a place subject to severe temperature changes
• in a place subject to mechanical vibration or shock
• on an unstable surface
• near equipment which generates magnetism, such as a
• in a place subject to mechanical vibration or shock
• on an unstable surface
• near equipment which generates magnetism, such as a
transformer or high voltage power lines
• near or on an electrically charged metal surface
Maintenance
• Clean the screen with a soft cloth. If you use a glass cleaning
liquid, do not use any type of cleaner containing an anti-static
solution or similar additive as this may scratch the screen’s
coating.
solution or similar additive as this may scratch the screen’s
coating.
• Do not rub, touch, or tap the surface of the screen with sharp or
abrasive items such as a ballpoint pen or screwdriver. This type
of contact may result in a scratched picture tube.
of contact may result in a scratched picture tube.
• Clean the cabinet, panel and controls with a soft cloth lightly
moistened with a mild detergent solution. Do not use any type
of abrasive pad, scouring powder or solvent, such as alcohol or
benzene.
of abrasive pad, scouring powder or solvent, such as alcohol or
benzene.
Transportation
When you transport this monitor for repair or shipment, use the
original carton and packing materials.
original carton and packing materials.
Use of the tilt-swivel
This monitor can be adjusted within the angles shown below. To
find the center of the monitor’s turning radius, align the center of
the monitor’s screen with the centering dot on the stand.
Hold the monitor at the bottom with both hands when you turn it
horizontally or vertically. Be careful not to pinch your fingers at
the back of the monitor when you tilt the monitor up vertically.
find the center of the monitor’s turning radius, align the center of
the monitor’s screen with the centering dot on the stand.
Hold the monitor at the bottom with both hands when you turn it
horizontally or vertically. Be careful not to pinch your fingers at
the back of the monitor when you tilt the monitor up vertically.
The equipment should be installed near an easily accessible
outlet.
outlet.
Example of plug types
for 100 to 120 V AC
for 200 to 240 V AC
for 240 V AC only
90˚
5˚
90˚
15˚
Centering dot
5
US
Identifying parts and controls
See the pages in parentheses for further details.
1
INPUT (input) switch (page 9)
This switch selects the INPUT 1 (video input 1 connector:
y
1) or INPUT 2 (video input 2 connector:
y
2).
2
PICTURE EFFECT button (page 11)
This button is used to change the preset picture effects’
modes.
modes.
3
MENU button (page 10)
This button is used to display or close the menu.
4
Control button (OK,
M
/
m
) (page 11)
This button is used to make adjustments to the monitor and
call up the CONTRAST menu directly.
call up the CONTRAST menu directly.
5
!
(power) switch and indicator (pages 7, 18, 22)
This button turns the monitor on and off. The power indicator
lights up in green when the monitor is turned on, and lights up
in orange when the monitor is in power saving mode.
lights up in green when the monitor is turned on, and lights up
in orange when the monitor is in power saving mode.
6
Video input 2 connector (BNC) (page 6)
This connector inputs RGB video signals (0.700 Vp-p,
positive) and sync signals.
positive) and sync signals.
7
Video input 1 connector (HD15) (page 6)
This connector inputs RGB video signals (0.700 Vp-p,
positive) and sync signals.
positive) and sync signals.
* DDC (Display Data Channel) is a standard of VESA.
8
USB (universal serial bus) downstream connectors
(page 8)
(page 8)
Use these connectors to link USB peripheral devices to the
monitor.
monitor.
9
USB (universal serial bus) upstream connector
(page 8)
(page 8)
Use this connector to link the monitor to a USB compliant
computer.
computer.
q;
AC IN connector (page 7)
This connector provides AC power to the monitor.
AC IN
2
R
G
B
HD
VD
1
INPUT
PICTURE EFFECT
MENU
OK
1
2
Front
Rear
rear side
forward side
forward side
rear side
5 4
3 2 1
6
7
8
9
10
11
12
13
14
15
Pin No.
Signal
1
Red
2
Green
(Sync on Green)
(Sync on Green)
3
Blue
4
ID (Ground)
5
DDC Ground*
6
Red Ground
7
Green Ground
8
Blue Ground
Pin No.
Signal
9
DDC + 5V*
10
Ground
11
ID (Ground)
12
Bi-Directional
Data (SDA)*
Data (SDA)*
13
H. Sync
14
V. Sync
15
Data Clock
(SCL)*
(SCL)*
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