Sony GDM-FW900 Service Manual ▷ View online
GDM-FW900
– 5 –
TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
................................................................. 1-1
2. DISASSEMBLY
2-1.
Cabinet Assy Removal ...................................... 2-1
2-2.
D Board Removal .............................................. 2-1
2-3.
G Board Removal .............................................. 2-2
2-4.
A Board and I/O Terminal Board Assy
Removal ............................................................. 2-2
2-5.
S Board Removal .............................................. 2-3
2-6.
N Board Removal .............................................. 2-3
2-7.
Service Position .................................................. 2-4
2-8.
Picture Tube Removal ........................................ 2-4
2-9.
Control Block Assy Removal ........................... 2-5
2-10. J Board Removal ............................................... 2-6
2-11. US Board Removal ............................................ 2-6
2-12. Harness Location ............................................... 2-7
3. SAFETY RELATED ADJUSTMENT
............. 3-1
4. ADJUSTMENTS
..................................................... 4-1
5. DIAGRAMS
5-1.
Block Diagrams .................................................. 5-1
5-2.
Frame Schematic Diagram ................................. 5-9
5-3.
Circuit Boards Location ..................................... 5-11
5-4.
Schematic Diagrams and Printed Wiring
Boards ................................................................. 5-11
(1)
Schematic Diagram of D Board ........................ 5-13
(2)
Schematic Diagram of A Board ........................ 5-19
(3)
Schematic Diagram of S Board ......................... 5-25
(4)
Schematic Diagrams of N (a, b, c) Board
5-27
(5)
Schematic Diagram of G Board ........................ 5-35
(6)
Schematic Diagram of US Board ...................... 5-39
(7)
Schematic Diagrams of J, H Boards ................. 5-42
5-5.
Semiconductors ................................................. 5-44
6. EXPLODED VIEWS
6-1.
Chassis ............................................................... 6-1
6-2.
Picture Tube ...................................................... 6-2
6-3.
Packing Materials ............................................... 6-3
7. ELECTRICAL PARTS LIST
............................ 7-1
Note: Hand degauss must be used on stand-by or power-off condition.
This model has an automatic earth magnetism correction function by using an earth
magnetism sensor and a LCC coil. When using a hand degauss while monitor (LCC
coil) is being operated, it sometimes gets magnetized, and the system may not work
properly as a result.
SECTION 1
GENERAL
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.
1-1
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.
For the customers in the UK
If you use the monitor in the UK, be sure to use the supplied UK
power cable.
For the customers in the UK
If you use the monitor in the UK, be sure to use the supplied UK
power cable.
For the customers in the U.S.A.
If you do not use the appropriate cord, this monitor will not
conform to mandatory FCC standards.
If you do not use the appropriate cord, this monitor will not
conform to mandatory FCC standards.
• 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 3 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.
Never grasp the control stick when you transport the
monitor.
monitor.
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 dots on the stand.
Hold the monitor at the bottom with both hands when you turn it
horizontally or vertically.
find the center of the monitor’s turning radius, align the center of
the monitor’s screen with the centering dots on the stand.
Hold the monitor at the bottom with both hands when you turn it
horizontally or 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
Example of plug types
for 100 to 120 V AC
for 200 to 240 V AC
Control stick
165˚
5˚
165˚
15˚
Centering dots
5
GB
Identifying parts and controls
See the pages in parentheses or further details.
1
RESET (reset) button (page 16)
This button resets the adjustments to the factory settings.
2
ASC (auto sizing and centering) button (page 9)
This button automatically adjusts the size and centering of the
picture.
picture.
3
INPUT (input) switch (page 9)
This switch selects the HD15 or BNC video input signal.
4
Joystick (page 11)
The joystick is used to display the menu and make
adjustments to the monitor, including brightness and contrast
adjustments.
adjustments to the monitor, including brightness and contrast
adjustments.
5
!
(power) switch and indicator (pages 7, 16, 20)
This button turns the monitor on and off. The power indicator
lights up in green when the monitor is turned on, and either
flashes in green and orange, or lights up in orange when the
monitor is in power saving mode.
lights up in green when the monitor is turned on, and either
flashes in green and orange, or lights up in orange when the
monitor is in power saving mode.
6
AC IN connector (page 7)
This connector provides AC power to the monitor.
7
USB (universal serial bus) downstream connectors
(page 8)
(page 8)
Use these connectors to link USB peripheral devices to the
monitor.
monitor.
8
USB (universal serial bus) upstream connector
(page 8)
(page 8)
Use this connector to link the monitor to a USB compliant
computer.
computer.
9
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.
q;
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.
To use the control stick
This monitor has a cylindrical swivel control stick. To operate the
controls, turn the knob on the left side downward to expose the control
buttons. When the control buttons are not needed, turn the knob up to
hide the control buttons.
controls, turn the knob on the left side downward to expose the control
buttons. When the control buttons are not needed, turn the knob up to
hide the control buttons.
When not using
When using
MENU
INPUT
ASC
RESET
2
1
Front
,
AC IN
R
G
B
HD
VD
2
1
Rear
forward side
rear 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
(Composite Sync
on Green)
(Composite Sync
on Green)
3
Blue
4
ID (Ground)
5
DDC Ground*
6
Red Ground
7
Green Ground
Pin No.
Signal
8
Blue Ground
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)*
Knob
1-2
6
Setup
Before using your monitor, check that the following accessories
are included in your carton:
• Power cord (1)
• Video signal cable (1)
• USB cable (1)
• Exclusive Power Mac G3/G4 adapter (1)
• Warranty card (1)
• Notes on cleaning the screen’s surface (1)
• This instruction manual (1)
are included in your carton:
• Power cord (1)
• Video signal cable (1)
• USB cable (1)
• Exclusive Power Mac G3/G4 adapter (1)
• Warranty card (1)
• Notes on cleaning the screen’s surface (1)
• This instruction manual (1)
Step 1: Connect your monitor to
your computer
Turn off the monitor and computer before connecting.
Notes
• Do not touch the pins of the video signal cable connector as this might
bend the pins.
• When connecting the video signal cable, check the alignment of the
connector. Do not force the connector in the wrong way or the pins
might bend.
might bend.
x
Connecting to an IBM PC/AT or compatible
computer
computer
x
Connecting to a Macintosh computer
* Connect the supplied adapter to the computer before connecting the
cable. This adapter is compatible only with Power Mac G3/G4
computers that have 3 rows of pins. If you connect to the other version
of Macintosh series computer that has 2 rows of pins, you will need a
different adapter (not supplied).
computers that have 3 rows of pins. If you connect to the other version
of Macintosh series computer that has 2 rows of pins, you will need a
different adapter (not supplied).
x
Connecting to the five BNC connectors
* Connect the cables from left to right in the following order: Red-Green-
Blue-HD-VD.
Note
Plug & Play (DDC) does not apply to the five BNC connectors. If you
want to use Plug & Play, connect your computer to the connector using
the supplied video signal cable.
want to use Plug & Play, connect your computer to the connector using
the supplied video signal cable.
AC IN
R
G
B
HD
VD
2
1
video signal cable
(supplied)
(supplied)
to video output
IBM PC/AT or compatible
computer
computer
to HD15 input
AC IN
R
G
B
HD
VD
2
1
Use the supplied exclusive Power Mac G3/G4 adapter.
to HD15 input
exclusive Power
Mac G3/G4 adapter
(supplied)
Mac G3/G4 adapter
(supplied)
*
Power Mac G3/G4
to video
output
output
video signal cable
(supplied)
(supplied)
AC IN
R
G
B
HD
VD
2
1
to R/G/B input
to HD/VD
input
input
Refer to the preceding
examples to connect to your
computer.
examples to connect to your
computer.
video signal cable
(SMF-400, not supplied)
(SMF-400, not supplied)
*
7
GB
Step 2: Connect the power cord
With the monitor and computer switched off, first connect the
power cord to the monitor, then connect it to a power outlet.
power cord to the monitor, then connect it to a power outlet.
Step 3: Turn on the monitor and
computer
First turn on the monitor, then turn on the computer.
The installation of your monitor is complete.
If necessary, use the monitor’s controls to adjust the picture.
If necessary, use the monitor’s controls to adjust the picture.
If no picture appears on your screen
• Check that the monitor is correctly connected to the computer.
• If NO INPUT SIGNAL appears on the screen, try changing the
• If NO INPUT SIGNAL appears on the screen, try changing the
input signal (page 9), and confirm that your computer’s graphic
board is completely seated in the correct bus slot.
board is completely seated in the correct bus slot.
• If you are replacing an old monitor with this model and OUT
OF SCAN RANGE appears on the screen, reconnect the old
monitor. Then adjust the computer’s graphic board so that the
horizontal frequency is between 30 – 121 kHz, and the vertical
frequency is between 48 – 160 Hz.
monitor. Then adjust the computer’s graphic board so that the
horizontal frequency is between 30 – 121 kHz, and the vertical
frequency is between 48 – 160 Hz.
For more information about the on-screen messages, see “Trouble
symptoms and remedies” on page 18.
symptoms and remedies” on page 18.
Setup on various OS (Operating System)
This monitor complies with the “DDC” Plug & Play standard and
automatically detects all the monitor’s information. No specific driver
needs to be installed to the computer.
If you connect the monitor to your PC, and then boot your PC for the first
time, the setup Wizard may be displayed on the screen. Click on “Next”
several times according to the instructions from the Wizard until the Plug
& Play Monitor is automatically selected so that you can use this monitor.
If your PC/graphic board has difficulty communicating with this monitor,
download the specific driver by accessing the web site of the OS’s
manufacturer.
automatically detects all the monitor’s information. No specific driver
needs to be installed to the computer.
If you connect the monitor to your PC, and then boot your PC for the first
time, the setup Wizard may be displayed on the screen. Click on “Next”
several times according to the instructions from the Wizard until the Plug
& Play Monitor is automatically selected so that you can use this monitor.
If your PC/graphic board has difficulty communicating with this monitor,
download the specific driver by accessing the web site of the OS’s
manufacturer.
For customers using Windows NT4.0
Monitor setup in Windows NT4.0 does not use the display driver. Refer
to the Windows NT4.0 instruction manual for further details on adjusting
the resolution, refresh rate, and number of colors.
to the Windows NT4.0 instruction manual for further details on adjusting
the resolution, refresh rate, and number of colors.
AC IN
R
G
B
HD
VD
2
1
to AC IN
to a power outlet
power cord (supplied)
1-3
8
Connecting Universal Serial Bus
(USB) compliant peripherals
(USB) compliant peripherals
Your monitor has one upstream and four downstream USB
connectors. They provide a fast and easy way to connect USB
compliant peripheral devices (such as keyboards, mice, printers
and scanners) to your computer using a standardized USB cable.
To use your monitor as a hub for your peripheral devices, connect
the USBs as illustrated below.
connectors. They provide a fast and easy way to connect USB
compliant peripheral devices (such as keyboards, mice, printers
and scanners) to your computer using a standardized USB cable.
To use your monitor as a hub for your peripheral devices, connect
the USBs as illustrated below.
1
Turn on the monitor and computer.
2
Connect your computer to the square upstream
connector using the supplied USB cable.
For customers using Windows
If a message appears on your screen, follow the on-screen instructions
and select Generic USB Hub as the default setting.
and select Generic USB Hub as the default setting.
3
Connect your USB compliant peripheral devices to
the rectangular downstream
the rectangular downstream
USB connectors.
Notes
• Not all computers and /or operating systems support USB
configurations. Check your computer’s instruction manual to see if you
can connect USB devices.
can connect USB devices.
• In most cases, USB driver software needs to be installed on the host
computer. Refer to the peripheral device’s instruction manual for
further details.
further details.
• The monitor functions as a USB hub as long as the monitor is either
“on” or in power saving mode.
• If you connect a keyboard or mouse to the USB connectors and then
boot your computer for the first time, the peripheral devices may not
function. First connect the keyboard and mouse directly to the
computer and set up the USB compliant devices. Then connect them to
this monitor.
function. First connect the keyboard and mouse directly to the
computer and set up the USB compliant devices. Then connect them to
this monitor.
Selecting the on-screen menu
language (LANG)
language (LANG)
English, French, German, Spanish, Italian, Dutch, Swedish,
Russian and Japanese versions of the on-screen menus are
available. The default setting is English.
Russian and Japanese versions of the on-screen menus are
available. The default setting is English.
1
Press the joystick.
See page 11 for more information on using the joystick.
2
Move the joystick to highlight
LANG and press
the joystick again.
3
Move the joystick up or down to select a language
and press the joystick again.
and press the joystick again.
• ENGLISH
• FRANÇAIS: French
• DEUTSCH: German
• ESPAÑOL: Spanish
• ITALIANO: Italian
• NEDERLANDS: Dutch
• SVENSKA: Swedish
•
• FRANÇAIS: French
• DEUTSCH: German
• ESPAÑOL: Spanish
• ITALIANO: Italian
• NEDERLANDS: Dutch
• SVENSKA: Swedish
•
: Russian
•
: Japanese
To close the menu
Press the joystick once to return to the main menu, and twice to return to
normal viewing. If no buttons are pressed, the menu closes automatically
after about 30 seconds.
normal viewing. If no buttons are pressed, the menu closes automatically
after about 30 seconds.
To reset to English
Press the RESET button while the LANGUAGE menu is displayed on the
screen.
screen.
to USB compliant
peripheral devices
peripheral devices
to a USB compliant
computer
computer
MENU
MENU
EXIT
CENTER
SIZE
GEOM
SCREEN
COLOR
LANG
CONV
OPTION
OK
b
ENGL I SH
FRANÇA I S
DEUT SCH
ESPAÑOL
FRANÇA I S
DEUT SCH
ESPAÑOL
I T A L I ANO
NEDER L ANDS
SVENSKA
SVENSKA
L ANGUAGE
b
b
9
GB
Selecting the input signal
You can connect two computers to this monitor using the video
input 1 (HD15) and video input 2 (BNC) connectors. To switch
between the two computers, use the
input 1 (HD15) and video input 2 (BNC) connectors. To switch
between the two computers, use the
INPUT
switch.
Move the INPUT switch.
The currently selected connector (“INPUT 1” : HD15 or
“INPUT 2” : BNC) appears on the screen for a few seconds.
“INPUT 2” : BNC) appears on the screen for a few seconds.
Note
If no signal is input to the selected connector, NO INPUT SIGNAL
appears on the screen. After a few seconds, the monitor enters the power
saving mode. If this happens, switch to the other connector.
appears on the screen. After a few seconds, the monitor enters the power
saving mode. If this happens, switch to the other connector.
Automatically sizing and centering
the picture (AUTO)
the picture (AUTO)
You can easily adjust the picture to fill the screen by pressing the
ASC (auto sizing and centering) button.
ASC (auto sizing and centering) button.
Press the ASC button.
The picture automatically fills the screen.
Notes
• This function is intended for use with a computer running Windows or
similar graphic user interface software that provides a full-screen
picture. It may not work properly if the background color is dark or if
the input picture does not fill the screen to the edges (such as an MS-
DOS prompt).
picture. It may not work properly if the background color is dark or if
the input picture does not fill the screen to the edges (such as an MS-
DOS prompt).
• The picture will fill the screen to the edges only if the aspect ratio of the
picture is 16:10. Pictures with an aspect ratio other than 16:10 are
displayed at their actual resolution and do not fill the screen to the
edges.
displayed at their actual resolution and do not fill the screen to the
edges.
• The displayed image moves for a few seconds while this function is
performed. This is not a malfunction.
INPUT
2
1
ASC
Click on the first or last page to see other GDM-FW900 service manuals if exist.