AOC e2450Swd User manual

Service Manual e2450Swd
1
AOC 显示器维修手册
Model: e2450Swd

Service Manual e2450Swd
2
Revision List
Version
Release Date
Revision History
TPV Model Name
A00
Jul-29-2011
Initial release
TDAMN22DAHA6HAE
TDAMN22DAHA6HRE
TDAMN22DAGA6HNE
TDBMN22DAHA1HCE
TDBMN22DAHA1H6E
TDAMN22DAHA6HNE
TDBMN22DAHA1HNE
A01
Dec-01-2011
Add new models
TDB2N22DAHA1HNE
TDB2N22EAHA1HNE
TDBMN22EAHA1HNE
TDBMN22EAHA6HNE
A02
Jan-07-2013
Add new models
TDCWN22MAHA1HNJ
TDC2N22KAHE6HNJ

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CONTENTS
1. Monitor Specifications----------------------------------------------------------------------------------------- 4
1.1 Product Features ---------------------------------------------------------------------------------------------4
1.2 Factory Preset Mode----------------------------------------------------------------------------------------- 5
2. Setup----------------------------------------------------------------------------------------------------------------- 6
2.1 Contents in Box -----------------------------------------------------------------------------------------------6
2.2 Setup Stand & Base------------------------------------------------------------------------------------------7
2.3Adjusting Viewing Angle ------------------------------------------------------------------------------------7
2.4Connecting the Monitor -------------------------------------------------------------------------------------8
2.5Wall Mounting--------------------------------------------------------------------------------------------------9
3. Operation Instructions----------------------------------------------------------------------------------------- 10
3.1 Hotkeys----------------------------------------------------------------------------------------------------------10
3.2 OSD Setting----------------------------------------------------------------------------------------------------11
3.3 LED Indicator --------------------------------------------------------------------------------------------------22
4. Interface description ----------------------------------------- ------------------------------------------------- 23
4.1 D-Sub 15pin Interface ---------------------------------------------------------------------------------------23
4.2 DVI Interface---------------------------------------------------------------------------------------------------23
4.3 LVDS pin assignment---------------------------------------------------------------------------------------- 24
4.4 Plug and Play--------------------------------------------------------------------------------------------------24
5. Panel Feature ----------------------------------------------------------------------------------------------------- 25
5.1 General Features---------------------------------------------------------------------------------------------25
5.2 Absolute Max Ratings ---------------------------------------------------------------------------------------26
5.3 Electrical Characteristics -----------------------------------------------------------------------------------26
5.4 Panel Block Diagram ----------------------------------------------------------------------------------------27
5.5 OPTICAL CHARACTERISTICS --------------------------------------------------------------------------27
6. Block Diagram ---------------------------------------------------------------------------------------------------- 29
6.1 LCD Block Diagram------------------------------------------------------------------------------------------29
6.2 Main Board Block Diagram--------------------------------------------------------------------------------- 29
6.3 Power Board Block Diagram------------------------------------------------------------------------------- 30
6.4 Software Flow Chart ----------------------------------------------------------------------------------------31
7. Circuit Schematic------------------------------------------------------------------------------------------------ 32
7.1 Main board 715G4502M -------------------------------------------------------------------------------- 32
7.2 Power board 715G4744P --------------------------------------------------------------------------------38
7.3 Key board 715G4747K---------------------------------------------------------------------------------41
8. Monitor Exploded View---------------------------------------------------------------------------------------- 42
9. Maintainability ---------------------------------------------------------------------------------------------------- 43
9.1 Trouble Shooting---------------------------------------------------------------------------------------------- 43
9.2 Equipments and Tools Requirement---------------------------------------------------------------------47
9.3 Factory mode adjustment ----------------------------------------------------------------------------------48
9.4 Writing DDC program step ---------------------------------------------------------------------------------49
10. BOM List--------------------------------------------------------------------------------------------------------- 51
10.1 TDC2N22KAHE6HNJ BOM------------------------------------------------------------------------------51

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1. Monitor Specifications
1.1 Product Features
Panel
Model number
e2450Swd
Driving system
TFT Color LCD
Viewable Image Size
59.8cm diagonal
Pixel pitch
0.2715mm(H) x 0.2715mm(V)
Video
R, G, B Analog Interface & Digital Interface
Separate Sync.
H/V TTL
Display Color
16.7M Colors
Dot Clock
148.5MHz
Resolution
Horizontal scan range
30 kHz –83 kHz
Horizontal scan Size(Maximum)
521.28mm
Vertical scan range
55 Hz - 75 Hz
Vertical scan Size(Maximum)
293.22mm
Optimal preset resolution
1920 x 1080 (60 Hz)
Plug & Play
VESA DDC2B/CI
Input Connector
D-Sub 15pin,DVI-24pin
Input Video Signal
Analog: 0.7Vp-p(standard),75 OHM, Positive& DVI-D
Digital Interface (TMDS)
Power Source
100-240V~ , 50/60Hz
Power Consumption
Active < 30W(typical)
Standby < 0.5 W
Off timer
00-24 hrs
Physical
Characteristics
Connector Type
15-pin Mini D-Sub & 24-pin DVI
Signal Cable Type
Detachable
Dimensions & Weight:
Height (with base)
413.95mm
Width
569.22mm
Depth
205mm
Weight (monitor only)
4.202kg
Environmental
Temperature:
Operating
0°to 40°
Non-Operating
-25°to 55°
Humidity:
Operating
10% to 85% (non-condensing)
Non-Operating
5% to 93% (non-condensing)
Altitude:
Operating
0~ 3658m (0~ 12000 ft )
Non-Operating
0~ 12192m (0~ 40000 ft )

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1.2 Factory Preset Mode
STANDARD
RESOLUTION
HORIZONTAL
FREQUENCY(KHZ)
VERTICAL
FREQUENCY(KHZ)
VGA
640×480 @60Hz
31.469
59.940
VGA
640×480 @67Hz
35.000
66.667
VGA
640×480 @72Hz
37.861
72.809
VGA
640×480 @75Hz
37.500
75.000
Dos-mode
720×400 @70Hz
31.469
70.087
SVGA
800×600 @56Hz
35.156
56.250
SVGA
800×600 @60Hz
37.879
60.317
SVGA
800×600 @72Hz
48.077
72.188
SVGA
800×600 @75Hz
46.875
75.000
SVGA
832×624 @75Hz
49.725
74.551
XGA
1024×768 @60Hz
48.363
60.004
XGA
1024×768 @70Hz
56.476
70.069
XGA
1024×768 @75Hz
60.023
75.029
XGA
1024×768 @75Hz
60.241
74.927
XGA
1280×720 @60Hz
45.000
60.000
***
1280×960 @60Hz
60.000
60.000
SXGA
1280×1024 @60Hz
63.981
60.020
SXGA
1280×1024 @75Hz
79.976
75.025
WXGA+
1440×900 @60Hz
55.935
59.887
WSXGA
1680X1050 @60Hz
65.290
59.954
HD
1920×1080 @60Hz
67.500
60.000

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2. Setup
2.1 Contents in Box
Note: Not all signal cables (HDMI cables) will be provided for all countries and regions. Please check
with the local dealer or AOC branch office for confirmation.

Service Manual e2450Swd
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2.2 Setup Stand & Base
Please setup or remove the base following the steps as below.
Setup:
Remove:
2.3 Adjusting Viewing Angle
For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor's
angle to your own preference.
Hold the stand so you will not topple the monitor when you change the monitor's angle.
You are able to adjust the monitor's angle from -4°to 17°.

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Note:Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD
screen
2.4 Connecting the Monitor
Cable Connections In Back of Monitor and Computer:
1. Power
2. Analog (DB-15 VGA cable)
3. DVI
To protect equipment, always turn off the PC and LCD monitor before connecting.
1. Connect the power cable to the AC port on the back of the monitor.
2. Connect one end of the 15-pin D-Sub cable to the back of the monitor and connect the other end to the
computer‟s D-Sub port.
3. Connect one end of the DVI cable to the back of the monitor and connect the other end to the
computer‟s DVI port.
4. Turn on your monitor and computer.
If your monitor displays an image, installation is complete. If it does not display an image, please refer
Troubleshooting.

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2.5 Wall Mounting
Preparing to Install An Optional Wall MountingArm.
This monitor can be attached to a wall mounting arm you purchase separately. Disconnect power before
this procedure. Follow these steps:
1. Remove the base.
2. Follow the manufacturer's instructions to assemble the wall mounting arm.
3. Place the wall mounting arm onto the back of the monitor. Line up the holes of the arm with the holes in
the back of the monitor.
4. Insert the 4 screws into the holes and tighten.
5. Reconnect the cables. Refer to the user's manual that came with the optional wall mounting arm for
instructions on attaching it to the wall.
Note : VESAmounting screw holes are not available for all models, please check with the dealer or official
department of AOC.

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3. Operation Instructions
3.1 Hotkeys
Power
Press the Power button to turn on/off the monitor.
< Eco (DCR)/-
Press the Eco key continuously to select the Eco mode of brightness and DCR/I-Care on when there is no
OSD. (Eco mode hot key may not be available in all models).
4:3 or Wide/+
When there is no OSD, press + continuously to change 4:3 or wide image ratio. (If the product screen size
is 4:3 or input signal resolution is wide format, the hot key is disable to adjust.)
Auto / Exit
When there is no OSD, press Auto/Source button continuously about 3 second to do auto configure.
Source hot key
When the OSD is closed, press Source button will be Source hot key function. Press Source button
continuously to select the input source showed in the message bar press Menu/Enter button to change to
the source selected.