AOC E2262VWH User manual

21.5/23.6" LCD Color Monitor AOC e2262Vwh/e2462Vwh
Service
Service
Service
Horizontal Frequency
30-83 KHz
Table of Contents
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Table of Contents.......……..............................……........1
Revision List.…........................................…………........2
Important Safety Notice.……............................……......3
1.Monitor Specification..............................………..........4
2.LCD Monitor Description……………………………......6
3.Operation Instruction…………...............……..............7
3.1.General Instructions...........................…...................7
3.2.Control Button…………….…..............……...............7
3.3.OSD Setting…........................................................10
4.Input/Output Specification............……………...........20
4.1.Input Signal Connector............…………................20
4.2.Factory Preset Display Modes…….........................22
4.3.Panel Specification.....………...…………................23
5.Block Diagram…….....................………….................26
5.1.Main Board…….…………...………………....….......26
5.2.Power Board……………..……………...….......27
6.Schematic……………........................................28
6.1.Main Board………...........................................28
6.2.Power Board...…….........................................34
6.3.Key Board...…….............................................35
7.PCB Layout..………….......................................36
7.1.Main Board………..........................................36
7.2.Power Board…...............................................37
7.3.Key Board…………….....................................39
8.Maintainability………........................................40
8.1.Equipments and Tools Requirement...............40
8.2.Trouble Shooting…………..............................41
9.White-Balance, Luminance Adjustment.............45
10.Monitor Exploded View………..…….…............47
11.BOM List…………………………………............48
CAUTION: USE ASEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH
UNIT WHEN S

2
Revision List
Version
Release Date
Revision History
TPV Model Name
A00
Jul.-19-2012
e2262Vwh
HIC2N76LBWA2DNE
HICMN76LBWA1DNE
HIC2N76LBWA1DNE
HIC2N7LBWA2DNE
HICMN76LBWA2DNE
HICMN76CBWA1DNE
HIC2N76CBWA1DNE
HICMN76MBWA2DNE
HIC2N76MBWA2DNE
e2462Vwh
HDCMN76HBWA2DNE
HDCMN76LBWA2DNE
HDCMN76LBWA1DNE
HDCMN76CBWA1DNE
HDCMN76MBWA2DNE

3
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service
procedures recommended by AOC and described in this service manual are effective methods of performing service
operations. Some of these service operations require the use of tools specially designed for the purpose. The
special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in
order to minimize the risk of personal injury to service personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE
NOT EXHAUSTIVE. AOC could not possibly know, evaluate and advise the service trade of all conceivable ways in
which service might be done or of the possible hazardous consequences of each way. Consequently, AOC has not
undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not
recommended by AOC must first satisfy himself thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
Hereafter throughout this manual, AOC Company will be referred to as AOC.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock,
fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from AOC.
AOC assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
FOR PRODUCTS CONTAINING LASER:
DANGER-Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM.
CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may
result in hazardous radiation exposure.
CAUTION -The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF
THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight unit
-Must mount the module using mounting holes arranged in four corners.
-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.
-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to
the panel.
-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
-Make certain that treatment person’s body is grounded through wristband.
-Do not leave the module in high temperature and in areas of high humidity for a long time.
-Avoid contact with water as it may a short circuit within the module.
-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may
damage the panel.)

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1. Monitor Specifications
Panel
Model name
E2262VW/E2262VWH
Driving system
TFT Color LCD
Viewable Image Size
54.7cm diagonal
Pixel pitch
0.2482(H)mm x 0.2482(V)mm
Video (E2262VW)
R, G, B Analog lnterface & Digital Interface
Video (E2262VWH)
R, G, B Analog lnterface & HDMI lnterface
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)
476.64mm
Vertical scan range
50 Hz - 76 Hz
Vertical scan Size(Maximum)
268.11mm
Optimal preset resolution
1920×1080@60Hz
Plug & Play
VESA DDC2B/CI
Input Connector (E2262VW)
VGA/DVI
Input Connector (E2262VWH)
VGA/HDMI
Input Video Signal
Analog: 0.7Vp-p(standard), 75 OHM, TMDS
Power Source
12Vdc,3.0A
Power Consumption
Active 18 W (typical)
Standby < 0.5 W
Off timer
0-24 hrs
Physical
Characteristics
Connector Type (E2262VW)
VGA/DVI
Connector Type (E2262VWH)
VGA/HDMI
Signal Cable Type
Detachable
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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Panel
Model name
E2462VW/E2462VWH
Driving system
TFT Color LCD
Viewable Image Size
59.8 cm diagonal
Pixel pitch
0.2715mm(H) x 0.2715mm(V)
Video (E2462VW)
R, G, B Analog lnterface & Digital Interface
Video (E2462VWH)
R, G, B Analog lnterface & HDMI lnterface
Separate Sync.
H/V TTL
Display Color
16.7M Colors
Dot Clock
148.5 MHz
Resolution
Horizontal scan range
30 kHz - 83 kHz
Horizontal scan Size(Maximum)
521.28mm
Vertical scan range
50 Hz - 76 Hz
Vertical scan Size(Maximum)
293.22mm
Optimal preset resolution
1920 x 1080@60Hz
Plug & Play
VESA DDC2B/CI
Input Connector ( E2462VW)
VGA/DVI
Input Connector (E2462VWH)
VGA/HDMI
Input Video Signal
Analog: 0.7Vp-p(standard), 75 OHM, TMDS
Power Source
12Vdc,3.0A
Power Consumption
Active 24W (typical)
Standby < 0.5 W
Off timer
0-24 hrs
Physical
Characteristics
Connector Type (E2462VW)
VGA/DVI
Connector Type (E2462VWH)
VGA/HDMI
Signal Cable Type
Detachable
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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2. LCD Monitor Description
The LCD monitor will contain a main board, a power board, a key board which house the flat panel control logic,
brightness control logic and DDC.
The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each
voltage.
AC-IN
100V-240V
Monitor Block Diagram
Flat Panel and backlight
Main Board
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC
Key Board
Host Computer
Power Board
LED Drive.

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3. Operating Instructions
3.1 General Instructions
This monitor only has one external control function button; press the Power/Auto Configuration button to turn the
monitor on or off.
If you need to adjust other functions, please visit the official AOC website (www.aoc.com)to download and install
AOC’s exclusive i-Menu application software, and then perform related function adjustments to get the screen you
require.
• Connect the power cord properly.
• Connect the signal cable onto the PC’s graphics card.
• Push the button to start the monitor, and the power indicator will light up..
3.2 Control Buttons
E2262VW /E2462VW
E2262VWH /E2462VWH
Power

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Press the Power button to turn on/off the monitor.
4:3 or Wide / > (E2262VW /E2462VW )
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. )
Volume/(4:3 or Wide) / > (E2262VWH /E2462VWH )
When there is no OSD and the monitor connect with HDMI cable, press Volume button to active volume adjustment
bar and press < or > to adjust volume
When there is no OSD and the monitor connect with D-Sub cable, 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 / Exit 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.
Clear Vision
1. When there is no OSD, Press the “<” button to activate Clear Vision.
2. Use the “<” or “>” buttons to select between weak, medium, strong, or off settings. Default setting is always
“off”.
3. Press and hold “<” button for 5 seconds to activate the Clear Vision Demo, and a message of “Clear Vision
Demo: on” will be display on the screen for a duration of 5 seconds. Press Menu or Exit button, the message
will disappear. Press and hold “<” button for 5 seconds again, Clear Vision Demo will be off.
Clear Vision function provides the best image viewing experience by converting low resolution and blurry images
into clear and vivid images.

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Connecting the Monitor
Cable Connections In Back of Monitor and Computer:
E2262VW/E2462VW E2262VWH/E2462VWH
1. DC port
2. Analog (DB-15 VGAcable)
3. DVI (E2262VW/E2462VW)
4. HDMI(E2262VWH/E2462VWH)
5. Audio(E2262VWH/E2462VWH)
To protect equipment, always turn off the PC and LCD monitor before connecting.
1. Connect the power cable to the DC 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. Optional –( Requires a video card with DVI port) - 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. When connect with HDMI cable, the Audio output connector could work to connect with earphone or
loudspeaker box.
6. 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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3.3 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. Press < or > to navigate through the sub-menu. Once the desired function is highlighted, press
MENU-button to activate.
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 disabled.
2. If the product screen size is 4:3 or input signal resolution is wide format, the item of "Image Ratio" is disabled.
3. One of Clear vision, DCR, Color Boost, and Picture Boost functions is activated; the other three functions are
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.
Brightness
0-100
Backlight Adjustment.
Contrast
0-100
Contrast from Digital-register.
Eco mode
Standard
Standard Mode.
Text
Text Mode.
Internet
Internet Mode.
Game
Game Mode.
Movie
Movie Mode.
Sports
Sports Mode.
Gamma
Gamma1
Adjust to Gamma 1.
Gamma2
Adjust to Gamma 2.
Gamma3
Adjust to Gamma 3.
DCR
Off
Disable dynamic contrast ratio.
On
Enable dynamic contrast ratio.
Overdrive
Weak
Adjust the response time
(only for E2262VWH/E2462VWH)
Medium
Strong
Off

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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.
Clock
0-100
Adjust picture Clock to reduce Vertical-Line noise.
Phase
0-100
Adjust Picture Phase to reduce Horizontal-Line noise.
Sharpness
0-100
Adjust picture sharpness.
H.Position
0-100
Adjust the horizontal position of the picture.
V.Position
0-100
Adjust the vertical position of the picture.

13
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.
4 Press < or > to adjust.
5 Press to exit.
Color setup.
Warm
Recall Warm Color Temperature from EEPROM.
Normal
Recall Normal Color Temperature from EEPROM.
Cool
Recall Cool Color Temperature from EEPROM.
sRGB
Recall SRGB Color Temperature from EEPROM.
User
Red
Red Gain from Digital-register.
Green
Green Gain Digital-register.
Blue
Blue Gain from Digital-register.
DCB Mode
Full Enhance
on or off
Disable or Enable Full Enhance Mode.
Nature Skin
on or off
Disable or Enable Nature Skin Mode.
Green Field
on or off
Disable or Enable Green Field Mode.
Sky-blue
on or off
Disable or Enable Sky-blue Mode.
AutoDetect
on or off
Disable or Enable AutoDetect Mode.
DCB Demo
on or off
Disable or Enable Demo.

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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.
Frame Size
14-100
Adjust Frame Size.
Brightness
0-100
Adjust Frame Brightness.
Contrast
0-100
Adjust Frame Contrast.
H. position
0-100
Adjust Frame horizontal position.
V. position
0-100
Adjust Frame vertical position.
Bright Frame
on or off
Disable or Enable Bright Frame.

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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.
H. Position
0-100
Adjust the horizontal position of OSD.
V. Position
0-100
Adjust the vertical position of OSD.
Timeout
5-120
Adjust the OSD Timeout.
Transparence
0-100
Adjust the transparence of OSD.
Language
Select the OSD language.

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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.
Input Select
Auto / Analog / DVI
Select input signal source.
(E2262VW & E2462VW )
Input Select
Auto / Analog / HDMI
Select input signal source.
(E2262VWH & E2462VWH)
Auto Config
yes or no
Auto adjust the picture to default.
Off timer
0-24hrs
Select DC off time.
Image Ratio
wide or 4:3
Select wide or 4:3 format for display.
DDC-CI
yes or no
Turn ON/OFF DDC-CI Support.
Reset
yes or no
Reset the menu to default.
Information
Show the information of the main image
and sub-image source.

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Exit
1 Press (Menu) to display menu.
2 Press < or > to select (Exit), and press to enter.
Exit
Exit the main OSD.
LED Indicator
Status
LED Color
Full Power Mode
Blue / Green
Active-off Mode
Orange / Red
e-Saver
Welcome to use AOC e-Saver monitor power management software! The AOC e-Saver features Smart Shutdown
functions for your monitors, allows your monitor to timely shutdown when PC unit is at any status (On, Off, Sleep or
Screen Saver); the actual shutdown time depends on your preferences (see example below).
Please click on "driver/e-Saver/setup.exe" to start installing the e-Saver software, follow the install wizard to
complete software installation.
Under each of the four PC status, you may choose from the pull-down menu the desired time (in minutes) for your
monitor to automatically shutdown. The example above illustrated:
1) The monitor will never shutdown when the PC is powered on.
2) The monitor will automatically shutdown 5 minutes after the PC is powered off.
3) The monitor will automatically shutdown 10 minutes after the PC is in sleep/stand-by mode.
4) The monitor will automatically shutdown 20 minutes after the screen saver appears.

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You can click “RESET” to set the e-Saver to its default settings like below.
Question
Answer
e-sensor no power
1. Into the factory mode，set Burn in to OFF;
2. Set e-sensor to ON.
interface show e-sensor
The detecting range is too near or far and the User is far away the monitor, reset the
examination area.
it can’t your monitor to
turn off or dark while you
are away
1. Please do not block the e-Sensor on the LOGO, which is located on the left of AOC
logo.
2. The detecting range is too far or the things blocks monitor , reset the examination area.

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Screen+
Welcome to "Screen+" software byAOC, Screen+ software is a desktop screen splitting tool, it splits the desktop
into different panes, each pane displays a different window. You only need to drag the window to a corresponding
pane, when you want to access it. It supports multiple monitor display to make your task easier. Please follow the
installation software to install it.

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4. Input/Output Specification
4.1 Input Signal Connector
Pin Assignments
Pin Number
15-Pin Side of the
Signal Cable
Pin Number
15-Pin Side of the
Signal Cable
1
Video-Red
9
+5V
2
Video-Green
10
Ground
3
Video-Blue
11
N.C.
4
N.C.
12
DDC-Serial data
5
Detect Cable
13
H-sync
6
GND-R
14
V-sync
7
GND-G
15
DDC-Serial clock
8
GND-B
Pin Number
24-Pin Color Display Signal
Cable
Pin Number
24-Pin Color Display Signal
Cable
1
TMDS data 2－
13
TMDS data 3＋
2
TMDS data 2＋
14
＋5V Power
3
TMDS data 2/4 Shield
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 －