Sony HMD-A400 (serv.man3) Service Manual ▷ View online
HMD-A400
– 5 –
TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
.................................................................. 1-1
2. DISASSEMBLY
2-1.
Bucket Assembly Removal ................................. 2-1
2-2.
A Board Removal ................................................ 2-1
2-3.
D Board Removal ................................................ 2-2
2-4.
Service Position .................................................... 2-3
2-5.
H Board Removal ................................................. 2-4
2-6.
Picture Tube Removal .......................................... 2-4
2-7.
Harness Location .................................................. 2-5
3. SAFETY RELATED ADJUSTMENT
............. 3-1
4. ADJUSTMENTS
...................................................... 4-1
5. DIAGRAMS
5-1.
Block Diagrams ................................................... 5-1
5-2.
Frame Schematic Diagram .................................. 5-5
5-3.
Circuit Boards Location ...................................... 5-6
5-4.
Schematic Diagrams and Printed Wiring Boards .. 5-7
(1)
Schematic Diagram of H Board ......................... 5-8
(2)
Schematic Diagram of A Board ......................... 5-9
(3)
Schematic Diagrams of
D (a, b, c, d,
e,
f) Board .................... 5-15
5-5.
Semiconductors .................................................. 5-27
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
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 U.S.A.
If you do not use the appropriate cord, this monitor will not
conform to mandatory FCC standards.
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 5 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 stand
Insert the supplied stand into the groove to adjust the angle of the
monitor. You can use the stand in either the vertical or horizontal
position. If you do not need the stand for this purpose, you can use
it as a convenient CD rack.
monitor. You can use the stand in either the vertical or horizontal
position. If you do not need the stand for this purpose, you can use
it as a convenient CD rack.
The equipment should be installed near an easily accessible
outlet.
outlet.
Example of plug types
for 100 to 120 V AC
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remein as in the manual.
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remein as in the manual.
1-1
5
US
Identifying parts and controls
See the pages in parentheses for further details.
1
Control button (page 9)
The control button 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.
2
!
(power) switch and indicator (pages 6, 12, 15)
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.
3
AC IN connector (page 6)
This connector provides AC power to the monitor.
4
Video input 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.
5
USB (universal serial bus) downstream connectors
(page 7)
(page 7)
Use these connectors to link USB peripheral devices to the
monitor.
monitor.
6
USB (universal serial bus) upstream connector
(page 7)
(page 7)
Use this connector to link the monitor to a USB compliant
computer.
computer.
MENU
Rear
Front
Pin No.
Signal
1
Red
2
Green
3
Blue
4
ID (Ground)
5
DDC Ground*
6
Red Ground
7
Green Ground
8
Blue Ground
9
DDC + 5V*
10
Ground
11
ID (Ground)
12
Bi-Directional Data (SDA)*
13
H. Sync
14
V. Sync
15
Data Clock (SCL)*
1 2
3 4 5
8
7
6
11 12 13 14 15
10
9
1-2
6
Setup
Before using your monitor, check that the following accessories
are included in your carton:
• Power cord (1)
• USB cable (1)
• Monitor stand (1)
• Warranty card (1)
• Notes on cleaning the screen’s surface (1)
• This instruction manual (1)
are included in your carton:
• Power cord (1)
• USB cable (1)
• Monitor stand (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.
Note
Do not touch the pins of the video cable connector as this might bend the
pins.
pins.
x
Connecting to an IBM PC/AT or compatible
computer
computer
x
Connecting to a Macintosh or compatible
computer
computer
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, confirm that
• If NO INPUT SIGNAL appears on the screen, confirm that
your computer’s graphic board is completely seated in the
correct bus slot.
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 – 86 kHz, and the vertical
frequency is between 48 – 120 Hz.
monitor. Then adjust the computer’s graphic board so that the
horizontal frequency is between 30 – 86 kHz, and the vertical
frequency is between 48 – 120 Hz.
For more information about the on-screen messages, see “Trouble
symptoms and remedies” on page 13.
symptoms and remedies” on page 13.
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.
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.
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.
to video output
IBM PC/AT or
compatible computer
compatible computer
You will need a Macintosh adapter (not supplied).
Macintosh adapter (not supplied)
Macintosh or
compatible
computer
compatible
computer
to video output
to AC IN
to a power outlet
power cord (supplied)
7
US
Connecting Universal Serial Bus
(USB) compliant peripherals
(USB) compliant peripherals
Your monitor has one upstream USB connector (on the rear
panel) and four downstream USB connectors (two on both the left
and right sides). 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.
panel) and four downstream USB connectors (two on both the left
and right sides). 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.
instructions 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.
• Do not lean on the monitor when plugging in the USB cables. The
monitor may suddenly shift and cause injury.
Selecting the on-screen menu
language (LANGUAGE/
INFORMATION)
language (LANGUAGE/
INFORMATION)
English, French, German, Italian, Spanish, 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 center of the control button.
See page 9 for more information on using the control button.
2
Move the control button
m
/
M
to highlight
LANGUAGE/INFORMATION and press the center
of the control button again.
3
Move the control button
m
/
M
to select
. Then move
the control button
<
/
,
to select a language.
• ENGLISH
• FRANÇAIS: French
• DEUTSCH: German
• ITALIANO: Italian
• ESPAÑOL: Spanish
• NEDERLANDS: Dutch
• SVENSKA: Swedish
•
• FRANÇAIS: French
• DEUTSCH: German
• ITALIANO: Italian
• ESPAÑOL: Spanish
• NEDERLANDS: Dutch
• SVENSKA: Swedish
•
: Russian
•
: Japanese
To close the menu
Press the center of the control button 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.
and twice to return to normal viewing. If no buttons are pressed, the menu
closes automatically after about 30 seconds.
To reset to English
See “Resetting the adjustments (RESET)” on page 11.
to USB compliant
peripheral devices
peripheral devices
to a USB compliant
computer
computer
to USB compliant
peripheral devices
peripheral devices
MENU
EX I T
P I CTURE E F F ECT
P I CTURE E F F ECT
S I Z E / CENT ER
GEOME TRY
GEOME TRY
SCREEN
CONVERGENCE
COLOR
RESE T
SE L ECT
L ANGUAGE / I NFORMA T
N
O
I
MENU
MENU
SVENSKA
ESPAÑOL
NEDER L AN S
D
DEUT SCH
I T A L I ANO
ENGL I SH
FRANÇA I S
SE L ECT
EX I T
LA
A
NG
GE
U
/ I NFORMAT I ON
1-3
8
Customizing Your Monitor
You can make numerous adjustments to your monitor using the
on-screen menu.
on-screen menu.
Navigating the menu
Press the center of the control button to display the main MENU
on your screen. See page 9 for more information on using the
control button.
on your screen. See page 9 for more information on using the
control button.
Use the control button to select one of the following menus.
x
Displaying the current input signal
The horizontal and vertical frequencies of the current input signal
are displayed under the BRIGHTNESS/CONTRAST menu. If the
signal matches one of this monitor’s factory preset modes, the
resolution is also displayed.
are displayed under the BRIGHTNESS/CONTRAST menu. If the
signal matches one of this monitor’s factory preset modes, the
resolution is also displayed.
1
EXIT
Select EXIT to close the menu.
2
PICTURE EFFECT
(page 9)
(page 9)
Select the PICTURE
EFFECT menu to choose the
most appropriate preset
picture mode.
EFFECT menu to choose the
most appropriate preset
picture mode.
3
SIZE/CENTER (page 10)
Select the SIZE/CENTER
menu to adjust the picture’s
centering, size or zoom.
menu to adjust the picture’s
centering, size or zoom.
4
GEOMETRY (page 10)
Select the GEOMETRY
menu to adjust the picture’s
rotation and shape.
menu to adjust the picture’s
rotation and shape.
5
CONVERGENCE
(page 10)
(page 10)
Select the CONVERGENCE
menu to adjust the picture’s
horizontal and vertical
convergence.
menu to adjust the picture’s
horizontal and vertical
convergence.
MENU
EX I T
P I CTURE E F F ECT
P I CTURE E F F ECT
S I Z E / CENT ER
GEOME TRY
GEOME TRY
SCREEN
CONVERGENCE
COLOR
RESE T
SE L ECT
L ANGUAGE / I NFORMA T
N
O
I
MENU
SE L ECT
EX I T
DYNAM I C
S T ANDARD
P I CTURE EFFECT
H - C E N T ER
2 6
SE L ECT
EX I T
S I ZE / CENTER
SE L ECT
EX I T
RO T A T I ON
2 6
GEOMETRY
SE L ECT
EX I T
2 6
CONVERGENCE
6
SCREEN (page 11)
Select the SCREEN menu to
degauss the screen and adjust
the moire cancellation level.
degauss the screen and adjust
the moire cancellation level.
7
COLOR (page 11)
Select the COLOR menu to
adjust the picture’s color
temperature. You can use this
to match the monitor’s colors
to a printed picture’s colors.
adjust the picture’s color
temperature. You can use this
to match the monitor’s colors
to a printed picture’s colors.
8
LANGUAGE/
INFORMATION
(page 7, 14)
INFORMATION
(page 7, 14)
Select the LANGUAGE/
INFORMATION menu to
choose the on-screen menu’s
language and display this
monitor’s information box.
INFORMATION menu to
choose the on-screen menu’s
language and display this
monitor’s information box.
9
RESET (page 11)
Select the RESET menu to
reset the adjustments.
reset the adjustments.
D EGA U S S
ON
SE L ECT
EX I T
SCREEN
K
K
K
R
5 0
G
5 0
B
5 0
SE L ECT
EX I T
COLOR
5000
6500
9300
USER
SVENSKA
ESPAÑOL
NEDER L AN S
D
DEUT SCH
I T A L I ANO
ENGL I SH
FRANÇA I S
SE L ECT
EX I T
LA
A
NG
GE
U
/ I NFORMAT I ON
R E S E T
MOD E
A L L
EX I T
RESET
2 6
2 6
H : 6 8 . 7 k H z
V : 8 5 H z
1 0 2 4 X 7 6 8
BR I GHTNESS / CONTRAST
the horizontal
and vertical
frequencies of
the current
input signal
and vertical
frequencies of
the current
input signal
the resolution
of the current
input signal
of the current
input signal
9
US
x
Using the control button
1
Display the main MENU.
Press the center of the control button to display the main
MENU on your screen.
MENU on your screen.
2
Select the menu you want to adjust.
Highlight the desired menu by moving the control button up
(
(
M
), down (
m
), and left (
<
) or right (
,
).
3
Adjust the menu.
Move the control button left (
<
) or right (
,
) to make the
adjustment.
4
Close the menu.
Press the center of the control button 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.
main MENU, and twice to return to normal viewing. If no
buttons are pressed, the menu closes automatically after about
30 seconds.
x
Resetting the adjustments
You can reset the adjustments using the RESET menu. See
page 11 for more information on resetting the adjustments.
page 11 for more information on resetting the adjustments.
Adjusting the brightness and
contrast
contrast
Brightness and contrast adjustments are made using a separate
BRIGHTNESS/CONTRAST menu.
These settings are stored in memory for all input signals.
BRIGHTNESS/CONTRAST menu.
These settings are stored in memory for all input signals.
1
Move the control button in any direction.
The BRIGHTNESS/CONTRAST menu appears on the
screen.
screen.
2
Move the control button
m
/
M
to adjust the
brightness (
), and
<
/
,
to adjust the contrast
(
6
).
The menu automatically disappears after about 3 seconds.
Adjusting the picture quality
(PICTURE EFFECT)
(PICTURE EFFECT)
The PICTURE EFFECT feature allows you to select the most
appropriate picture mode from among two preset modes
maximum performance.
appropriate picture mode from among two preset modes
maximum performance.
1
Press the center of the control button.
The main MENU appears on the screen.
2
Move the control button to highlight PICTURE
EFFECT and press the center of the control button
again .
EFFECT and press the center of the control button
again .
The PICTURE EFFECT menu appears on the screen.
3
Move the control button
m
/
M
to select the desired
picture mode.
MENU
MENU
MENU
MENU
MENU
Select
For
STANDARD
images with high contrast and
brightness. Choose this mode for
commonly used applications, such as
spreadsheets, word processing,
E-mail, or WEB surfing.
brightness. Choose this mode for
commonly used applications, such as
spreadsheets, word processing,
E-mail, or WEB surfing.
DYNAMIC
extremely vivid and photo-realistic
images. Brighter than “STANDARD”
mode, choose this for intense graphic
applications such as games, DVD
playback, or entertainment software.
images. Brighter than “STANDARD”
mode, choose this for intense graphic
applications such as games, DVD
playback, or entertainment software.
2 6
2 6
H : 6 8 . 7 k H z
V : 8 5 H z
1 0 2 4 X 7 6 8
BR I GHTNESS / CONTRAST
Click on the first or last page to see other HMD-A400 (serv.man3) service manuals if exist.