Sony CPD-G500 Service Manual ▷ View online
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18
Trouble symptoms and remedies
If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual.
Use the self-diagnosis function (page 20) if the following recommendations do not resolve the problem.
Use the self-diagnosis function (page 20) if the following recommendations do not resolve the problem.
Symptom
Check these items
No picture
If the 1 (power) indicator is not lit
• Check that the power cord is properly connected.
• Check that the 1 (power) switch is in the “on” position.
• Check that the 1 (power) switch is in the “on” position.
If the NO INPUT SIGNAL message
appears on the screen, or if the 1
(power) indicator is either orange or
alternating between green and
orange
appears on the screen, or if the 1
(power) indicator is either orange or
alternating between green and
orange
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets. If you are using the five BNC connectors, connect them in the correct order
(from left to right: Red-Green-Blue-HD-VD) (page 6).
(from left to right: Red-Green-Blue-HD-VD) (page 6).
• Check that the INPUT switch setting is correct (page 8).
• Check that the HD15 video input connector’s pins are not bent or pushed in.
• Check that the HD15 video input connector’s pins are not bent or pushed in.
x
Problems caused by the connected computer or other equipment
• The computer is in power saving mode. Try pressing any key on the computer keyboard.
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus slot.
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus slot.
If the OUT OF SCAN RANGE
message appears on the screen
message appears on the screen
x
Problems caused by the connected computer or other equipment
• Check that the video frequency range is within that specified for the monitor. If you
replaced an old monitor with this monitor, reconnect the old monitor and adjust the
frequency range to the following.
Horizontal: 30 – 121 kHz
Vertical: 48 – 160 Hz
frequency range to the following.
Horizontal: 30 – 121 kHz
Vertical: 48 – 160 Hz
If no message is displayed and the 1
(power) indicator is green or flashing
orange
(power) indicator is green or flashing
orange
• Use the Self-diagnosis function (page 20).
If using Windows 95/98
• If you replaced an old monitor with this monitor, reconnect the old monitor and do the
following. Install the Windows Monitor Information Disk (page 7) and select this monitor
(“CPD-G500/G500J”) from among the Sony monitors in the Windows 95/98 monitor
selection screen. If you choose to select “Plug and Play,” connect the monitor to the
computer with the HD15 video signal cable. You cannot use the five BNC connectors.
(“CPD-G500/G500J”) from among the Sony monitors in the Windows 95/98 monitor
selection screen. If you choose to select “Plug and Play,” connect the monitor to the
computer with the HD15 video signal cable. You cannot use the five BNC connectors.
If using a Macintosh system
• Check that the Macintosh adapter and the video signal cable are properly connected
(page 6).
Picture flickers, bounces,
oscillates, or is scrambled
oscillates, or is scrambled
• Isolate and eliminate any potential sources of electric or magnetic fields such as other
monitors, laser printers, electric fans, fluorescent lighting, or televisions.
• Move the monitor away from power lines or place a magnetic shield near the monitor.
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90
°
to the left or right.
x
Problems caused by the connected computer or other equipment
• Check your graphics board manual for the proper monitor setting.
• Confirm that the graphics mode (VESA, Macintosh 21" Color, etc.) and the frequency of
• Confirm that the graphics mode (VESA, Macintosh 21" Color, etc.) and the frequency of
the input signal are supported by this monitor (Appendix). Even if the frequency is within
the proper range, some video boards may have a sync pulse that is too narrow for the
monitor to sync correctly.
the proper range, some video boards may have a sync pulse that is too narrow for the
monitor to sync correctly.
• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.
Picture is fuzzy
• Adjust the brightness and contrast (page 10).
• Degauss the monitor* (page 15).
• If CANCEL MOIRE is ON, the picture may become fuzzy. Decrease the moire
• Degauss the monitor* (page 15).
• If CANCEL MOIRE is ON, the picture may become fuzzy. Decrease the moire
cancellation effect or set CANCEL MOIRE to OFF (page 13).
19
US
* 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-G500
• Serial number
• Name and specifications of your computer and graphics board.
the following information.
• Model name: CPD-G500
• 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
• Set CANCEL MOIRE to ON and adjust the degree of moire cancellation until the moire is
at a minimum (page 13).
x
Problems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform
• Degauss the monitor* (page 15). 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.
• Adjust the landing (page 13).
White does not look white
• Adjust the color temperature (page 13).
• Check that the five BNC connectors are connected in the correct order (from left to right:
• Check that the five BNC connectors are connected in the correct order (from left to right:
Red-Green-Blue-HD-VD) (page 6).
Letters and lines show red or blue
shadows at the edges
shadows at the edges
• Adjust the convergence (page 12).
Monitor buttons do not operate
(
(
appears on the screen)
• If the control lock is set to ON, set it to OFF (page 15).
COLOR RETURN function does
not operate
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 15.
RESTORATION function, see page 15.
• 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 two seconds.
Symptom
Check these items
EASY
EXPERT
s
B
G
R
5 0 0 0 K
6 5 0 0 K
9 3 0 K
0
5 0
K
0
0
I MAGE
RES TORA T I ON
AVA I L AB L E
A F T ER WARM UP
A F T ER WARM UP
COLOR
MENU
SER NO : 1234567
MODEL : CPD G500
MANUFACTURED : 1999-52
INFORMATION
Example
b
1-9
20
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 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.
a problem with your monitor or computer(s), 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.
If the
1
(power) indicator is green
1
Remove any plugs from the video input 1 and 2
connectors, or turn off the connected computer(s).
connectors, or turn off the connected computer(s).
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 cables and check
the condition of your computer(s).
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.
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
21 inches measured diagonally
90-degree deflection
FD Trinitron
21 inches measured diagonally
90-degree deflection
FD Trinitron
Viewable image size
Approx. 403.8
×
302.2 mm (w/h)
(16
×
12 inches)
19.8" viewing image
Resolution
Maximum
Horizontal: 2048 dots
Vertical: 1536 lines
Vertical: 1536 lines
Recommended
Horizontal: 1600 dots
Vertical: 1200 lines
Vertical: 1200 lines
Standard image area
Approx. 388
×
291 mm (w/h)
(15
3
/
8
×
11
1
/
2
inches)
or
Approx. 364
Approx. 364
×
291 mm (w/h)
(14
3
/
8
×
11
1
/
2
inches)
Deflection frequency*
Horizontal: 30 to 121 kHz
Vertical: 48 to 160 Hz
Vertical: 48 to 160 Hz
AC input voltage/current 100 to 240 V, 50 – 60 Hz, 2.0 – 1.0 A
Power consumption
Power consumption
Approx. 145 W
Dimensions
Approx. 497
×
480
×
478 mm (w/h/d)
(19
5
/
8
×
19
×
18
7
/
8
inches)
Mass
Approx. 32 kg (70 lb 9 oz)
Plug and Play
DDC1/2B/2Bi, GTF**
Supplied accessories
See page 6
* Recommended horizontal and vertical timing condition
• Horizontal sync width duty should be more than 4.8% of total
horizontal time or 0.8 µs, whichever is larger.
• Horizontal blanking width should be more than 2.3 µsec.
• Vertical blanking width should be more than 450 µsec.
• Vertical blanking width should be more than 450 µsec.
** If the input signal is Generalized Timing Formula (GTF)
compliant, the GTF feature of the monitor will automatically
provide an optimal image for the screen.
provide an optimal image for the screen.
Design and specifications are subject to change without notice.
MENU
RESET
INPUT HD15 BNC
1
(power) indicator
MENU
CPD-G500
Top cover
Video shield
5
7
3
2
1
Two claws
2
Two claws
Bezel assembly
Bezel assembly
Cabinet
Cabinet
Cabinet
Three screws
(+ BVTT 4 x 8)
6
Four screws
(+ BVTT 4 x 8)
4
Two screws
(+ BVTP 4 x 16)
Push in the tip of a screwdriver
about 5mm to unlock the claw.
about 5mm to unlock the claw.
A
B
Three screws
(+ BVTT 4 x 8)
Two screws
(+ BVTP 3 x 12)
D board
Screw
(+ P 3.5 x 20)
Open the D block in the direction
of the arrow . and remove of
the arrow .
of the arrow . and remove of
the arrow .
Two hooks
5
A
B
CN504
CN505
GND
1
2
3
4
2-1. CABINET REMOVAL
SECTION 2
DISASSEMBLY
2-2. D BOARD REMOVAL
2-1
CPD-G500
A
B
Three screws
(+ BVTT 4 x 8)
Two hooks
Four screws
(+BVTP 3 x 8)
G shield
G board
CN602
CN654
CN653
CN652
CN650
GND
GND
Open the G block in the direction
of the arrow . and remove of
the arrow .
of the arrow . and remove of
the arrow .
A
B
Two printed circuit board holders
2
1
Two screws
(+ BVTP 3 x 8)
7
AC inlet (3P)
8
5
3
4
6
A board (2/2)
Four screws
(+BVTT 4 x 8)
1
Two screws
(HD15)
4
I/O terminal board assembly
5
3
A board (1/2)
A board (1/2)
A board (1/2)
Screw lock
2
When installing I/O terminal
board assembly, be sure to apply
screw lock on 2 spots after
screws (HD15) are fixed.
board assembly, be sure to apply
screw lock on 2 spots after
screws (HD15) are fixed.
2-3. G BOARD REMOVAL
2-4. A BOARD, I/O TERMINAL BOARD ASSEMBLY REMOVAL
2-2
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