AOC G2460PQU User manual

Service Manual G2460PQU
1
AOC 显示器维修手册
Model: G2460PQU

Service Manual G2460PQU
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Revision List
Version
Date
Revision History
TPV Model Name
Editors/ Redactor
A00
Mar-06-2012
Initial release
HKCAB568BVA1DNJ
TPV-BJ-Winner
HKDAB56BBVA1DNJ

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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 -----------------------------------------------------------------------------------------------------16
4. Interface description ----------------------------------------- ---------------------------------------------------- 17
4.1 D-Sub 15pin Interface ------------------------------------------------------------------------------------------17
4.2 Plug and Play-----------------------------------------------------------------------------------------------------18
5. Panel Feature--------------------------------------------------------------------------------------------------------- 19
5.1 Panel Block Diagram -------------------------------------------------------------------------------------------19
5.2 General Features------------------------------------------------------------------------------------------------19
5.3 Absolute Max Ratings ------------------------------------------------------------------------------------------20
5.4 Electrical Characteristics --------------------------------------------------------------------------------------21
6. Block Diagram ------------------------------------------------------------------------------------------------------- 23
6.1 LCD Block Diagram---------------------------------------------------------------------------------------------23
6.2 Main Board Block Diagram------------------------------------------------------------------------------------23
6.3 Power Board Block Diagram----------------------------------------------------------------------------------24
6.4 Software Flow Chart -------------------------------------------------------------------------------------------25
7. Circuit Schematic--------------------------------------------------------------------------------------------------- 26
7.1 Main board 715G5121M -----------------------------------------------------------------------------------26
7.2 Power board 715G5361P -----------------------------------------------------------------------------------39
7.3 Key board 715G5357K------------------------------------------------------------------------------------ 41
7.4 USB Board 715G5370T------------------------------------------------------------------------------------42
7.5 USB Board 715G2727T------------------------------------------------------------------------------------45
7.5 IR Board 715G5368T------------------------------------------------------------------------------------ 46
8. Monitor Exploded View ------------------------------------------------------------------------------------------- 47
9. Maintainability --------------------------------------------------------------------------------------------------------- 48
9.1 Trouble Shooting-------------------------------------------------------------------------------------------------48
9.2 Equipments and Tools Requirement------------------------------------------------------------------------ 52
9.3 Factory mode adjustment ------------------------------------------------------------------------------------- 53
9.4 Writing DDC program step ------------------------------------------------------------------------------------ 54
10. BOM List ------------------------------------------------------------------------------------------------------------- 56
10.1 HKDAB56BBVA1DNJ BOM---------------------------------------------------------------------------------56

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1. Monitor Specifications
1.1 Product Features
Panel
Model number
G2460PQU
Driving system
TFT Color LCD
Viewable Image Size
61.0 cm diagonal
Pixel pitch
0.27675 mm(H) x 0.27675 mm(V)
Video
R, G, B Analog Interface & Digital Interface &
HDMI Interface & DP Interface
Separate Sync.
H/V TTL
Display Color
16.7M Colors
Dot Clock
165 MHz (DVI:300MHz)
Resolution
Horizontal scan range
30 kHz –83 kHz(30 kHz ~ 140 kHz)
Horizontal scan Size
(Maximum)
531.36 mm
Vertical scan range
50 Hz - 76 Hz (50 kHz ~ 120 kHz)
Vertical scan Size(Maximum)
298.89 mm
Optimal preset resolution
1920 x 1080 (60 Hz)
Plug & Play
VESA DDC2B/CI
Input Connector
VGA / Dual link DVI / HDMI / DP
Input Video Signal
Analog: 0.7Vp-p(standard), 75 OHM, TMDS
Power Source
100-240V~, 50/60Hz
Power Consumption
Active 42 W (typical)
Standby < 0.5 W
Off timer
0～24 hrs
Speakers
2W x 2
Physical
Characteristics
Connector Type
VGA \ DVI \ HDMI \ DP \ Line in \ Earphone out
Signal Cable Type
Detachable
Dimensions & Weight
Height(with base)
393.6 mm~523.6 mm
Width
565.4 mm
Depth
243.5 mm
Weight(monitor only)
6.16 kg
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
640×480 @67Hz
35.000
66.667
640×480 @72Hz
37.861
72.809
640×480 @75Hz
37.500
75.000
Dos-mode
720×400 @70Hz
31.469
70.087
SVGA
800×600 @56Hz
35.156
56.250
800×600 @60Hz
37.879
60.317
800×600 @72Hz
48.077
72.188
800×600 @75Hz
46.875
75.000
832×624 @75Hz
49.725
74.551
XGA
1024×768 @60Hz
48.363
60.004
1024×768 @70Hz
56.476
70.069
1024×768 @75Hz
60.023
75.029
1024×768 @75Hz
60.241
74.927
***
1280×720 @60Hz
45.000
60.000
1280×960 @60Hz
60.000
60.000
SXGA
1280×1024 @60Hz
63.981
60.020
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
HD(DVI only)
1920×1080 @100Hz
113.3
100
1920×1080 @110Hz
125.1
110
1920×1080 @120Hz
137.2
120

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

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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 -5°to 20 °.
Note: Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD
screen

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2.4 Connecting the Monitor
Cable Connections In Back of Monitor and Computer:
To protect equipment, always turn off the PC and LCD monitor before connecting.
1. Connect the power cable to theAC 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. (Optional –Requires a video card with HDMI port) - Connect one end of the HDMI cable to the back of
the monitor and connect the other end to the computer‟s HDMI port.
5. (Optional –Requires a video card with Audio port) - Connect one end of the Audio cable to the back of
the monitor and connect the other end to the computer‟s Audio port.

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6. (Optional –Requires a video card with DP port) –Connect one end of the DP cable to the back of the
monitor and connect the other end to the computer‟s DP port.
7. Turn on your monitor and computer.
8. Video content supporting resolution: VGA/ DVI / HDMI / DP.
If your monitor displays an image, installation is complete. If it does not display an image, please refer
Troubleshooting.
2.5 Wall Mounting
Preparing to Install An Optional Wall Mounting Arm.
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
1
Source / Auto / Exit
2
Eco (DCR / i-Care) / <
3
Volume / >
4
Menu / Enter
5
Power
Power
Press the Power button to turn on/off the monitor.
Menu/Enter
Press to display the OSD or confirm the selection.
> Volume
When there is no OSD,Press Volume button to active volume adjustment bar, Press < or > to adjust
volume(Only for the models with speakers). Press and hold the volume > key for 2 seconds to trigger the
"image size" adjustment function to switch among different display modes like wide screen, 4:3, 1:1, 17''
(4:3), 19'' (4:3) W (16:10), 21.5'' (16:9), 22'' W (16:10), and 23'' W (16:9) (if the screen size of the Product
is 4:3 or the resolution for the signal input is in wide screen mode, no 4:3 display mode is available for
such key).
< Eco (DCR/i-Care)
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).
Source/Auto/Exit
When the OSD is closed, press Source/Auto/Exit button will be auto configure hot key function. When the
OSD is closed, press Source/Auto/Exit button continuously about 3 second to do auto configure (Only for
the models with dual or more inputs).

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3.2 OSD Setting
Basic and simple instruction on the control keys.
1) Press the MENU-button to activate the OSD window.
2) Press < or > to navigate through the functions. Once the desired function is highlighted, press the
MENU-button to activate it. Press < or > to navigate through the sub-menu functions. Once the desired
function is highlighted, press MENU-button to activate it.
3) Press < or > to change the settings of the selected function. Press AUTO to exit. If you want to
adjust any other function, repeat steps 2-3.
4) OSD Lock Function: To lock the OSD, press and hold the MENU button while the monitor is off
and then press power button to turn the monitor on. To un-lock the OSD - press and hold the
MENU button while the monitor is off and then press power button to turn the monitor on.
Notes:
1) If the product has only one signal input, the item of "Input Select" is disable to adjust.
2) If the product screen size is 4:3 or input signal resolution is wide format, the item of "Image Ratio" is
disable to adjust.
3) One of DCR, Color Boost, and Picture Boost functions is active, the other two function is turned off
accordingly.

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Luminance
1. Press (Menu) to display menu.
2. Press < or > to select (Luminance), and press to enter.
3. Press < or > to select submenu, and press to enter.
4. Press < or > to adjust.
5. Press to exit.

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Image Setup
1. Press (Menu) to display menu.
2. Press < or > to select (Image Setup), and press to enter.
3. Press < or > to select submenu, and press to enter.
4. Press < or > to adjust.
5. Press to exit.
Color Setup
1. Press (Menu) to display menu.
2. Press < or > to select (Color Setup), and press to enter.
3. Press < or > to select submenu, and press to enter.

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4. Press < or > to adjust.
5. Press to exit.
Picture Boost
1. Press (Menu) to display menu.
2. Press < or > to select (Picture Boost), and press to enter.
3. Press < or > to select submenu, and press to enter.
4. Press < or > to adjust.
5. Press to exit.
Note: Adjust the brightness, contrast, and position of the Bright Frame for better viewing
experience.

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OSD Setup
1. Press (Menu) to display menu.
2. Press < or > to select (OSD Setup), and press to enter.
3. Press < or > to select submenu, and press to enter.
4. Press < or > to adjust.
5. Press to exit.
Extra
1. Press (Menu) to display menu.
2. Press < or > to select (Extra), and press to enter.
3. Press < or > to select submenu, and press to enter.
4. Press < or > to adjust.
5. Press to exit.

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Exit
1. Press (Menu) to display menu.
2. Press < or > to select (Exit), and press to enter.
3. Press to exit.
3.3 LED Indicator
status
LED Color
Full Power Mode
Green or Blue
Active-off Mode
Orange or Blue

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4. Interface description
4.1 Pin Assignments
Pin No.
Description
Pin No.
Description
1.
Red Input
9.
+5VDC
2.
Green Input
10.
GND
3.
Blue Input
11.
GND
4.
GND
12.
SDA- DDC-Serial Data
5.
Connection detect
13.
H Sync
6.
Red GND
14.
V Sync
7.
Green GND
15.
SCL- DDC-Serial Clock
8.
Blue GND
Pin No.
Description
Pin No.
Description
1.
TMDS Data 2-
13.
TMDS Data 3+
2.
TMDS Data 2+
14.
+5V Power
3.
TMDS Data 2/4 Shied
15.
Ground (for +5V)
4.
TMDS Data 4-
16.
Hot Plug Detect
5.
TMDS Data 4+
17.
TMDS Data 0+
6.
DDC Clock
18.
TMDS Data 0-
7.
DDC Data
19.
TMDS Data 0/5 Shield
8.
N.C.
20.
TMDS Data 5-
9.
TMDS Data 1-
21.
TMDS Data 5+
10.
TMDS Data 1+
22.
TMDS Clock Shield
11.
TMDS Data 1/3 Shield
23.
TMDS Clock+
12.
TMDS Data 3-
24.
TMDS Clock-

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Pin No.
Description
Pin No.
Description
Pin No.
Description
1
TMDS Data2+
8
TMDS Data0 Shield
15
SCL
2
TMDS Data2 Shield
9
TMDS Data0–
16
SDA
3
TMDS Data2–
10
TMDS Clock+
17
DDC/CEC
Ground
4
TMDS Data1+
11
TMDS Clock Shield
18
+5 V Power
5
TMDS Data1 Shield
12
TMDS Clock–
19
Hot Plug
Detect
6
TMDS Data1–
13
CEC
7
TMDS Data0+
14
Reserved (N.C. on device)
Pin No.
Description
Pin No.
Description
Pin No.
Description
1
ML_Lane 3 (n)
8
GND
15
AUX_CH(p)
2
GND
9
ML_Lane 1 (p)
16
GND
3
ML_Lane 3 (p)
10
ML_Lane 0 (n)
17
DDC/CEC
Ground
4
ML_Lane 2 (n)
11
GND
18
+5 V Power
5
GND
12
ML_Lane 0 (p)
19
Hot Plug
Detect
6
ML_Lane 2 (p)
13
CONFIG1
20
7
ML_Lane 1 (n)
14
CONFIG2
4.2 Plug and Play
Plug & Play DDC2B Feature
This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It
allows the monitor to inform the host system of its identity and, depending on the level of DDC used,
communicate additional information about its display capabilities.
The DDC2B is a bi-directional data channel based on the I2C protocol. The host can request EDID
information over the DDC2B channel.

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5. Panel Feature
This specification applies to the 24 inch-FHD color a-Si TFT-LCD Module M240HW01. The display
supports the FDH-1920(H) X 1080(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). the
light source of this TFT-LCD module is W-LED. All input signals are 4-channel LVDS interface and this
module doesn’t contain a driver for backlight.
5.1 Panel Block Diagram
5.2 General Features

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5.3 Absolute Max Ratings
Absolute maximum ratings of the module are as follows:
Parameter
Symbol
Min
Max
Unit
Conditions
Logic/LCD Drive Voltage
VDD
0
6.0
[Volt]
Note1,2
LED Current
ILED
-
120
[mA]
Note1,2
Operating Temperature
TOP
0
+50
[℃]
Note3
Glass surface temperature(Operation)
TGS
0
+65
[℃]
Note3,4
Operation Humidity
HOP
5
90
[%RH]
Note3
Storage Temperature
TST
-20
+60
[℃]
Storage Humidity
HST
5
90
[%RH]
Note1: Within Ta (25℃).
Note2: Permanent damage to the device may occur if exceeding maximum values.
Note3: Temperature and relative humidity range are shown as the below figure.
1. 90% RH Max (Ta ≤39℃)
2. Max wet-bulb temperature at 39℃or less (Ta ≤39℃)
3. No condensation.
Note4: Function Judged only