AOC E2219P2 User manual

22" LCD Monitor AOCE2219P2
1
Service
Service
Service
Horizontal Frequency
31-75 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……….…………………….......5
3.Operation Instruction.…………...................……...........6
3.1.General Instructions....................................…...........6
3.2.Control Buttons and Connections...............................6
3.3.OSD Setting…..........................................................6
4.Input/Output Specification...............……………….......17
4.1.Input Signal Connector...............………..................17
4.2.Preset Display Modes……..........................18
4.3.Panel Specification…………..………………………..20
5.Block Diagram….........................................................22
5.1.Main Board…..….............................................22
5.2.Power Board…………..…………………………......23
6.Schematic…………..….........................................24
6.1.Main Board..…….…...........................................24
6.2.Power Board..……….........................................30
6.3.Key Board..……….........................................32
7.PCB Layout..………..............................................33
7.1.Main Board………..…........................................33
7.2.Power Board….…..............................................35
7.3.Key Board………..…..........................................37
8.Maintainability………............................................38
8.1.Equipments and Tools Requirement…...............38
8.2.Trouble Shooting…..………...............................39
9.White-Balance,Luminance Adjustment…..............43
10.Monitor Exploded View……...............................45
11.BOM List…………..……………………….............47
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

2
Revision List
Version Release Date Revision History TPV Model Name
A00 Mar.9, 2012 Initial release TCB2NZ6BWKK2DN

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.)

4
1. Monitor Specifications
LCD Panel
Model number e2219P2
Driving system TFT Color LCD
Viewable Image Size 55.8cm diagoanl
Pixel pitch 0.282mm(H) x 0.282mm(V)
Video R, G, B Analog lnterface & Digital Interface
Separate Sync. H/V TTL
Display Color 16.7M Colors
Dot Clock 165 MHz
Resolution
Horizontal scan range 30 kHz - 83 kHz
Horizontal scan
Size(Maximum) 473.76mm
Vertical scan range 50 Hz - 76 Hz
Vertical scan Size(Maximum) 296.10mm
Optimal preset resolution 1680 x 1050 (60 Hz)
Highest preset resolution 1680 x 1050 (60 Hz)
Plug & Play VESA DDC2B/CI
Input Connector D-Sub 15pin, DVI-D
Input Video Signal Analog: 0.7Vp-p(standard), 75 OHM, Positive & TMDS
Power Source 100~240VAC, 50/60Hz
Power Consumption Active < 38 W
Standby < 1 W
Speakers 2 x 2W
Physical
Characteristics
Connector Type 15-pin D-Sub, 24-pin DVI
Signal Cable Type Detachable
Dimensions & Weight:
Height (with base) 397.9 mm
Width 505.9 mm
Depth 249.7 mm
Weight (monitor only) 6.0 kg
Environmental
Temperature:
Operating 0° to 40°
Non-Operating -20°to 55°
Humidity:
Operating 10% to 85% (non-condensing)
Non-Operating 5% to 93% (non-condensing)
Altitude:
Operating 0~ 3000m (0~ 12000 ft )
Non-Operating 0~ 12192m (0~ 40000 ft )

5
2. LCD Monitor Description
The LCD monitor will contain a main board, a power board and 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
Power board
Flat Panel and
LED backlight
Main Board
LED Drive.
Video signal, DDC
HOST Computer
Key Board

6
3. Operating Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor.
By changing these settings, the picture can be adjusted to your personal preferences.
* The power cord should be connected.
* Press the power button to turn on the monitor. The power indicator will light up.
3.2 Control Buttons and Connections
1. Source
2. (Auto) / Exit
3. Eco mode / -
4. Volume / +
5. Menu / Enter
6. Power Button & Indicator
3.3 OSD Setting
Press the MENU-button to activate the OSD window.
Press+ or - to navigate through the functions. Once the desired function is highlighted, press the
MENU-buttonto activate it.If the function selected has a sub-menu, press s+ or - again to navigate through
the sub-menu functions.Once the desired function is highlighted, press MENU-button to activate it.
Press+ or - to change the settings of the selected function. To exit and save, select the exit function. If you
want to adjust any other function, repeat steps 2-3.
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.
Eco Mode hot key : Press the Eco key continuously to select the Eco mode of brightness when there is no
OSD ( Eco mode hot key may not be available in all models).
Volume adjustment hot key : When there is no OSD , press Volume (+) to active volume adjustment bar,
press - or + to adjust volume ( Only for the models with speakers).
Source hot key : When the OSD is closed, press Auto/Source button will be Source hot key function (Only
for the models with dual or more inputs) .Press Source button continuously to select the input source
showed in the message bar , press Menu/Enter button to change to the source selected.
Auto configure hot key: When the OSD is closed, press Auto button will be auto configure hot key function .

7
Function Control Illustration
Luminance Adjust Range Description
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 Gamma1
Gamma2 Adjust to Gamma 2
Gamma3 Adjust to Gamma 3
DCR Off Disable dynamic contrast ratio

8
On
Enable dynamic contrast ratio
Image Setup
Clock 0-100 Adjust picture Clock to reduce
Vertical-Line noise.
Phase 0-100 Adjust Picture Phase to reduce
Horizontal-Line noise
H.Position 0-100 Adjust the verticalposition of the
picture.
V.Position 0-100 Adjust the horizontal position of
the picture.
Color Temp.
Warm 6500K
Recall Warm Color Temperature
from EEPROM.
Normal 7300K
Recall Normal Color
Temperature from EEPROM.
Cool 9300K
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
Color Boost
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
Demo on or off Disable or Enable Demo
Picture Boost
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
OSD Setup
H.Position 0-100 Adjust the verticalposition of OSD
V.Position 0-100 Adjust the horizontal position of
OSD
Timeout 5-120 Adjust the OSD Timeout
Transparence 0-100 Adjust the transparence of OSD
Language Select the OSD language
Extra
Input Select Auto Select to Auto Detect input signal
Analog Select Analog Sigal Source as

9
Input
Digital Select Digital Sigal Source as
Input
Auto Config yes or no
A
uto adjust the picture to default
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
Off timer 0-24hrs Select DC off time
Information
Show the information of the main
image and sub-image source
Reset
Reset yes or no Reset the menu to default
Exit
Exit Exit the main OSD
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.
LED Indicators
Status LED Color
Full Power Mode Green or Blue
Active-off Mode Orange or red
How to use i-menu software
Installation
Welcome to use “i-menu” software by AOC. i-menu makes it easy to adjust your monitor display setting by menus on
the screen instead of OSD button on the monitor. Please click here to setup the software. To complete installation ,
please follow the installation guide .
Using “i-menu”
1. Luminance

10
Luminance Adjust Range Description
Contrast 0-100 Contrast from Digital-register.
Brightness 0-100 Backlight Adjustment
Eco mode
Standard Standard Mode
Text Text Mode
Internet Internet Mode
Game Game Mode
Movie Movie Mode
Sports Sports Mode
Gamma
Gamma1 Adjust to Gamma1
Gamma2 Adjust to Gamma 2
Gamma3 Adjust to Gamma 3
DCR Off Disable dynamic contrast ratio
On Enable dynamic contrast ratio
Reset Reset the current page
Remarks:
1) If DCR is set to “on”, the other 4 items of Luminance cannot be adjusted.
2) If anyone of DCR, Color Boost and Bright Frame of Picture Boost is set to “on”, the others are set to “off”
automatically.
3) The Brightness and Contrast can be adjusted only when Eco-mode is on “standard mode”.

11
2. Image setup
Image Setup Adjust Range Description
Clock 0-100 Adjust picture Clock to reduce
Vertical-Line noise.
Phase 0-100 Adjust Picture Phase to reduce
Horizontal-Line noise
H.Position 0-100
A
djust the verticalposition of the picture.
V.Position 0-100 Adjust the horizontal position of the
picture.
Reset Reset the current page
3. Color Temperature

12
Color Temp. Adjust Range Description
Preset
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
Reset Reset the menu to default
Remarks:
1) When “User” is chosen, you can change the monitor color to your desired color by setting the value of R-G-B.
2) When “sRGB” is chosen, the Brightness, Contrast and Gamma can not be adjusted.

13
4. Color Boost
Color Boost Adjust Range Description
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
Demo Disable or Enable Demo
Reset Reset the menu to default
Remarks:
1) There is only one item can be set to “on” except Demo. If you set any item to “on”, the others are changed to “off”
automatically.
2) If anyone of DCR, Color Boost and Bright Frame of Picture Boost is set to “on”, the others are set to “off”
automatically.

14
5. Picture Boost
Picture Boost Adjust Range Description
Bright Frame on or off Disable or Enable Bright Frame
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
Reset Reset the menu to default
Remarks:
1) Only when Bright Frame is set to “on”, the other 5 items can be adjusted.
2) If anyone of DCR, Color Boost and Bright Frame of Picture Boost is set to “on”, the others are set to “off”
automatically.

15
6. Setting
7. Extra

16
8. Help
On this page, you can find the information of the monitor . Welcome to link our website and send email to us if you
have any problem.
Compatibility :
i-menu supports major graphic cards of ATI, Nvidia, Intel, VIA(S3). Please contact with us if your graphic card was
not supported i-menu software.
How to use e-saver software
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.

17
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.
You can click “RESET” to set the e-Saver to its default settings like below.

18
4. Input/Output Specification
4.1 Input Signal Connector
Pin Number Description
1 Video-Red
2 Video-Green
3 Video-Blue
4 N.C.
5 Detect Cable
6 GND-R
7 GND-G
8 GND-B
9 +5V
10 Ground
11 N.C.
12 DDC-Serial data
13 H-sync
14 V-sync
15 DDC-Serial clock
Pin No. Signal Name Pin No. Signal Name Pin No. Signal Name
1 TMDS Data 2- 9 TMDS Data 1- 17 TMDS Data 0-
2 TMDS Data 2+ 10 TMDS Data 1+ 18 TMDS Data 0+
3 TMDS Data 2/4 Shield 11 TMDS Data 1/3 Shield 19 TMDS Data 0/5 Shield
4 TMDS Data 4- 12 TMDS Data 3- 20 TMDS Data 5-
5 TMDS Data 4+ 13 TMDS Data 3+ 21 TMDS Data 5+
6 DDC Clock 14 +5V Power 22 TMDS Clock Shield
7 DDC Data 15 Ground(for+5V) 23 TMDS Clock +
8 N.C. 16 Hot Plug Detect 24 TMDS Clock -

19
4.2 Preset Display Modes
Stand Resolution
Horizontal
Frequency(Khz)
Vertical
Frequency(Hz)
VGA 640×480 @60Hz 31.469 59.940
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
Dos-mode 640×400 @71Hz 31.469 70.087
SVGA 800×600 @56Hz 35.156 56.250
SVGA 800×600 @60Hz 37.879 60.317
SVGA 848x480@60Hz 31.020 60.000
SVGA 800×600 @72Hz 48.077 72.188
SVGA 800×600 @75Hz 46.875 75.000
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 1280×768 @60Hz 47.776 59.870
XGA 1280×768 @60Hz 47.396 59.995
XGA 1280×768 @75Hz 60.289 74.893
SXGA 1280×1024 @60Hz 63.981 60.020
SXGA 1280×1024 @70Hz 74.882 69.853
SXGA 1360x768@60Hz 47.712 60.015
WSXGA+ 1680x1050@60Hz 65.290 59.954

20
4.3 Panel Specification
4.3.1 General Features
TPM220Z1-ZGEL01 is a 22” wide TFT Liquid Crystal Display module with white LED(1 PCS Light-bar、LED-4014、
4P14S、56 PCS) Backlight unit and 30 pin 2 ch-LVDS interface. This module supports 1680 x 1050 WSXGA+ (16:10
wide screen) mode and displays up to 16.7 millions colors. The converter module for Backlight is not built in.
4.3.2 General Specifications
4.3.3 Electrical Characteristics
TFT LCD Module
[Ta =25±2 ℃]
Backlight Unit