Sony CPD-G400 / CPD-G400P Service Manual ▷ View online
1-8
18
* 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.
While the monitor is receiving a video signal, press and hold the
center of the control button for more than five seconds to display
this monitor’s information box.
center of the control button for more than five seconds to display
this monitor’s information box.
If the problem persists, call your authorized Sony dealer and give
the following information.
• Model name: CPD-G400
• Serial number
• Name and specifications of your computer and graphics board.
the following information.
• Model name: CPD-G400
• Serial number
• Name and specifications of your computer and graphics board.
Picture is ghosting
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
• Check that all plugs are firmly seated in their sockets.
Picture is not centered or sized
properly
properly
• Perform the
(AUTO) function (page 11).
• Adjust the size (page 11) or centering (page 11). Note that some video modes do not fill
the screen to the edges.
Edges of the image are curved
• Adjust the geometry (page 12).
Wavy or elliptical pattern (moire)
is visible
is visible
• Select MOIRE ADJUST and adjust the moire cancellation effect (page 13).
x
Problems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform
• Degauss the monitor* (page 13). 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 12).
Letters and lines show red or blue
shadows at the edges
shadows at the edges
• Adjust the convergence (page 13).
Monitor buttons do not operate
(
(
appears on the screen)
• If the control lock is set to ON, set it to OFF (page 14).
IMAGE RESTORATION function
does not operate
does not operate
• Before using this function, the monitor must be in normal operation mode (green power
indicator on) for at least 30 minutes. For more information on using the IMAGE
RESTORATION function, see page 14.
RESTORATION function, see page 14.
• Adjust the computer’s power saving settings to keep the monitor in normal operation
mode for more than 30 minutes.
• The monitor may gradually lose its ability to perform this function due to the natural aging
of the picture tube.
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
AVA I L AB L E
A F T ER
A F T ER
WARM– UP
RES TORA T I ON
I MAGE
OPT I ON
MENU
MODE L : CPD - G4 0 0
SER NO : 1 2 3 4 5 6 7
MANUF ACTURED : 1 9 9
I NFORMA T I ON
9 - 5 2
Example
b
19
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
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.
keyboard.
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.
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
1
(power) indicator is flashing orange
Press the
1
(power) button twice to 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
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 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: 1800 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
1
/
2
inches)
Deflection frequency*
Horizontal: 30 to 107 kHz
Vertical: 48 to 120 Hz
Vertical: 48 to 120 Hz
AC input voltage/current 120 V, 50/60 Hz, Max. 2.0 A
Power consumption
Power consumption
140 W
Operating temperature
10 to 40 ºC
Dimensions
Approx. 446
×
464
×
461 mm (w/h/d)
(17
5
/
8
×
18
3
/
8
×
18
1
/
4
inches)
Mass
Approx. 26 kg (57 lb 5 oz)
Plug and Play
DDC1/DDC2B/DDC2Bi/GTF
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
RESET
INPUT 1 2
1
(power) indicator
MENU
CPD-G400/G400P
2-1. CABINET REMOVAL
SECTION 2
DISASSEMBLY
2-2. SHIELD (EMI, VIDEO),
SIDE COVER (L and R) REMOVAL
2-1
Bezel assembly
1
3
Cabinet
Push in the tip of a screwdriver about
5mm to unlock the four cloaws.
1
Two claws
Two claws
2
Two screws
(+BVTP 4 x 16)
(+BVTP 4 x 16)
Bezel assembly
Cabinet
Cabinet
5
Four screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
7
Three screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
8
Video shield
3
Two screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
1
2
EMI shield (Upper)
4
Side cover (L)
6
Side cover (R)
Three screws
(+BVTT 4 x 8)
(+BVTT 4 x 8)
CPD-G400/G400P
2-3. A BOARD REMOVAL
2-4. REAR SHIELD COMPLETE ASSY,
D BOARD REMOVAL
2-2
4
Three screws
(+BVTT 3 x 8)
(+BVTT 3 x 8)
5
A board
CN306
CN311
CN303
CN309
CN305
1
Screw
(+BVTT 4 x 8)
(+BVTT 4 x 8)
2
Cable stopper
3
Two screws
5
Three screws
(+BVTT 3 x 8)
(+BVTT 3 x 8)
CN601
CN600
CN303
8
D board
N board
6
Screw
(+P 3.5 x 20)
(+P 3.5 x 20)
7
Two screws
(+BVTP 3 x 8)
(+BVTP 3 x 8)
2
Screw
(+BVTT 4 x 8)
(+BVTT 4 x 8)
4
Rear shield
complete assembly
complete assembly
1
Cable cover
3
Widening the chassis toward
the direction A , disengage
two claws.
the direction A , disengage
two claws.
A
A
Refering to 2-3, disconnect five connectors
(CN303, CN305, CN306, CN309 and CN311).
CPD-G400/G400P
2-6. H BOARD REMOVAL
2-5. SERVICE POSITION
2-3
AC inlet
D board
A board
1
2
3
Four screws
(Tapping screw (5))
H board
Two screws
(+ BVTP 4 x 16)
Bezel assembly
Two H printed circuit
board brackets
board brackets
Menu button
Input selection
CN801
Picture tube shield
Before removing the bezel assembly,
secure the picture tube shield at the
positions shown with the arrow (diagonal
two places) to prevent the picture tube
from falling. (Use the screws +BVTT 4 8
that fix shield.)
secure the picture tube shield at the
positions shown with the arrow (diagonal
two places) to prevent the picture tube
from falling. (Use the screws +BVTT 4 8
that fix shield.)
7
3
6
8
5
4
2
1
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