Samsung SyncMaster 940Fn User manual

SERVICEManual
LCD Monitor Fashion Feature
LCD-Monitor
Chassis LHA19PS
Model 940Fn
- Lustrous/Colorful Appearance(Design)
- Integrated UI applied
- Built-in Scaler Sync Separator
- Connectivity : Analog (15p Dsub),
Dual (24p DVI-D)
- Power Consumption : 38W
- DPMS : under 1 W (230Vac)

Samsung Electronics Co.,Ltd.
416, Maetan-3Dong, Yeongtong-Gu, Suwon City,
Gyeonggi-Do, Korea, 443-742
Printed in Korea
P/N : BN82-00136C-00
URL : http://itself.sec.samsung.co.kr/
-This Service Manual is a property of Samsung
Electronics Co., Ltd.
Any unauthorized use of Manual can be punished
under applicable International and/or domestic
law.

1. Menu button
Opens the OSD menu. Also use to exit the OSD
menu or return to the previous menu.
2. MagicBright button
MagicBright is a new feature providing optimum
viewing environment depending on the contents of
the image you are watching. Currently six different
modes are available: Custom, Text, Internet,
Game, Sport and Movie. Each mode has its own
pre-configured brightness value. You can easily
select one of six settings by simply pressing
MagicBright control buttons.
1) Custom
Although the values are carefully chosen by our
engineers, the pre-configured values may not be
comfortable to your eyes depending on your taste.
If this is the case, adjust the brightness and con-
trast by using the OSD menu.
2) Text : Normal brightness
For documentations or works involving heavy text.
3) Internet : Medium brightness
For working with a mixture of images such as text
and graphics.
4) Game
For watching motion pictures such as a game.
5) Sport
For watching motion pictures such as a sport.
6) Movie : High brightness
For watching motion pictures such as a DVD or
Video CD.
3. Brightness button
When OSD is not on the screen, push the button
to adjust brightness.
2,3. Adjust buttons
Adjust items in the menu.
10 Operating Instructions and Installation
10-1
10 Operating Instructions and Installation
10-1 Front

10 Operating Instructions and Installation
10-2
4. Enter button / Source button
Activates a highlighted menu item. /
Push the 'SOURCE', then selects the video signal
while the OSD is off. (When the source button is
pressed to change the input mode, a message
appears in the center of the screen displaying the
current mode -- analog or digital input signal.)
Note : If you select the digital mode, you must con-
nect your monitor to the graphic card's port using
the DVI cable.
5. Auto button
Use this button for auto adjustment.
6. Power button
Use this button for turn the monitor on and off.
7. Power indicator
This light glows green during normal operation,
and blinks green once as the monitor saves your
adjustments.
10-2 Rear
(The configuration at the back of the monitor may vary from product to product.)
1. Power port
Connect the power cord for your monitor to the power port on the back of the monitor.
2. DVI IN port
Connect the DVI Cable to the DVI port on the back of your monitor.
3. RGB IN port
Connect the signal cable to the 15-pin, D-sub connector on the back of your monitor.
4. Power on/off Switch(option)
Use this button for turn the monitor on and off.
5. Kensington Lock
The Kensington lock is a device used to physically fix the system when using it in a public place.
(The locking device has to be purchased separately. )
For using a locking device, contact where you purchase it.

1. Connect the power cord for your monitor to the power port on the back of the monitor.
Plug the power cord for the monitor into a nearby outlet.
2-1. Using the D-sub (Analog) connector on the video card.
Connect the 'DVI-A to D-sub' Cable to the D-sub port on the back of your monitor.
2-2. Using the DVI (Digital) connector on the video card.
Connect the DVI Cable to the DVI port on the back of your monitor.
2-3. Connected to a Macintosh.
Connect the monitor to the Macintosh computer using the 'DVI-A to D-sub' connection cable.
2-4. In the case of an old model Macintosh, you need to connect the monitor using a special Mac adapter.
3. Turn on your computer and monitor. If your monitor displays an image, installation is complete.
10 Operating Instructions and Installation
10-3
10-3 Connecting the monitor
Rear of monitor Rear of Computer
New Model Macintosh
Old Model Macintosh
[ RGB IN ]
[ DVI IN ]

10 Operating Instructions and Installation
10-4
10-4 Attaching a Base
- This monitor accepts a 75mm x 75mm VESA-compliant mounting interface pad.
A. Monitor
B. Mounting interface pad
1. Turn off your monitor and unplug its power cord.
2. Lay the LCD monitor face-down on a flat surface with a cushion beneath it to protect the screen.
3. Align the mounting interface pad with the holes in the rear cover mounting Pad and secure it with four
screws that came with the arm-type base, wall mount hanger or other base.

11 Disassembly and Reassembly
11-1
11 Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the TFT-LCD monitors.
WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling
these components.
11-1 Disassembly (Simple - Stand)
Cautions: 1. Disconnect the monitor from the power source before disassembly.
1. Place monitor face down on cushioned table. Remove 3 screws from the stand.
2. Remove stand and front cover.

11 Disassembly and Reassembly
11-2
3. Lift up the back cover and Use the jig to remove the shield lamp.
4. Disconnect cables.
5. Lift up the shield and disconnect LVDS cable.

11 Disassembly and Reassembly
11-3
11-2 Disassembly (HAS-Stand)
6. Lift up the LCD panel.
1. Place monitor face down on cushioned table. Remove 2 screws from the stand and remove front cover.

11 Disassembly and Reassembly
11-4
2. Lift up the back cover and Use the jig to remove the shield lamp.
3. Disconnect cables.
4. Lift up the shield and disconnect LVDS cable.