AOC E936SWA User manual

18.5" LCD Color Monitor AOC e936Swa
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Service
Service
Service
HorizontalFrequency
30-80 kHz
TABLEOFCONTENTS
Description Page 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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Table Of Contents.......…….................……...........…........1
Revision List.…........................………................……......2
1. Monitor Specification.................................………........3
2.LCD Monitor Description…………………………….......4
3. Operation Instruction…………...................…...........5
3.1 General Instructions.....................................…...........5
3.2 Control Button……………………………..……...........5
3.3 Adjusting the Picture...........................…............5
4. Input/Output Specification............……………............8
4.1 Input Signal Connector............…..……................8
4.2 Factory Preset Display Modes.........................9
5 Panel Specification.....…………………........................10
5.1 Display Characteristics………………………………10
5.2 Optical Characteristics………………………………..10
5.3 Parameter guide line for CCFL Inverter……………..10
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Block
Diagram
1
1
Table Of Contents.......…….................……...........…........1
Revision List.…........................………................……......2
1. Monitor Specification.................................………........4
2. LCD Monitor Description…………………………….......5
3. Operation Instruction…………...................…...........6
3.1 General Instructions.....................................…...........6
3.2 Control Button……………………………..……...........6
3.3 Adjusting the Picture...........................…............6
4. Input/Output Specification............……………............12
4.1 Input Signal Connector............…..……................12
4.2 Factory Preset Display Modes...........................13
5 Panel Specification.....…………………........................14
5.1 Display Characteristics………………………………14
5.2 Optical Characteristics……………………………….16
5.3 Electrical Characteristics……………….…………..19
6. Block Diagram…….…................………….........22
6.1 Software Flow Chart…….…..........………….........22
6.2 Electrical Block Diagram………...………...…......24
7. Schematic……………………………………………. 26
7.1 Main Board…………..............................................26
7.2 Power Board....……………....................................31
8. PCB Layout..…………............................................36
8.1 Main Board……………......................................36
8.2 Power Board….....................................................38
8.3 Key Board……………….....................................43
8.4 USB Board……………….....................................43
9. Maintainability………...............................................44
9.1. Equipments and Tools Requirement.....................44
9.2. Trouble Shooting…………...................................45
10.Firmware and DDC Instruction………………….….52
11. White-Balance, Luminance adjustment.................53
12. Monitor Exploded View……..……………............55
13. BOM List....……....................................................56

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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 might 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 radiations 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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Revision List
Version Date Revision History Remark
A00 Jan.-19-2010
Initial release
(TPV TPM185B1-L01
AUO M185XW01
715G3823P01000004S
715G3649P01000004S)
T89AM5NB6WA5UNE
T89AM5NB6WA5UGE
T89AM5NL6WA2UNE
T892M5NB6WA1UNE
T892M5NC6WA1UNE
A01 Jun.-04-2010
Add new Models
T89AM5NQ6WA1UNE
T89AM5NC6WA2UNE
T89AM5NB6WA5U6E
T89AM5NK6WA1U6E
T89AM5NL6WA2UNE
Add second Panel
（TPV TPM185B1-XW01）T894M5NB6WA4UNE
A02 Aug.-26-2010 Add new Models
T892M5NL6WA1UNE
T8A2M5NE6WA1UNE
A03 Sep.-17-2010 Add new Models
T892M5NK6WA1UNE
T892M5NQ6WA1UNE
T89AM5NK6WA1UNE
T89AM5NQ6WA1U6E
T89AM5NQ6WA36NE
T89AM5NQ6WA46NE
T8AAM5NE6WA1UNE

18.5"LCDColorMonitor AOCe936Swa
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1. Monitor Specification

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2. LCD Monitor Description
The LCD monitor will contain a main board, an adapter board, a converter board, two USB boards, an audio 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.
HOST Computer
AC-IN
100V-240V
Converter board
Flat Panel and
CCFL backlight
Main Board RS232 Connector
For white balance
adjustment in factory
mode
CCFL Driver
Video signal DDC
Monitor Block Diagram
USB board*2
Adapter board
Key board

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3. Operating Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located on the side of the monitor.
By changing these settings, the picture can be adjusted to your personal perference.
• The power cord should be connected.
• Connect the video cable from the monitor to the video card.
• Press the power button to turn on the monitor position. The power indicator will light up.
3.2 Control Buttons
Power
Press to turn on or turn off the monitor.
Menu / Enter
Press to activate OSD, then press Up or Down to navigate through the functions.
4:3 or wide / Up
Press ∧key to change the screen aspect ratio between standard 4：3format or Wide format. When the input
resolution is wide format, the aspect ratio hotkey is disabled. When the main menu or sub-menu is active, the ∧key
functions as to select up or increase value.
Volume(Auto) / Down
When there is no OSD, press the key to activate Volume and auto function, then press Up or Down to select Volume
or Auto configure function.
3.3 Adjusting the Picture
OSD Settings
Basic and simple instruction on the control keys.

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When you press the MENU button on the front control of your monitor, the On DOWN Screen Display (OSD) Main
Controls window will pop up and you can then start making adjustments to your monitor's various features. Use the
UP or DOWN keys to make your adjustments. Follow the steps below to activate the adjustment.
1) Press the MENU key to activate the OSD window.
2) Press UP or DOWN to navigate through the functions. Once the desired function is highlighted, press the MENU
key to activate it. If the function selected has a sub-menu, press UP or DOWN again to navigate through the
sub-menu functions. Once the desired function is highlighted, press MENU key to activate it.
3) Press UP or DOWN to change the settings of the selected function. Press MENU key to exit and save, select the
exit function. 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 key while the monitor is off and then press
power button to turn the monitor on. To unlock the OSD, press and hold the MENU key while the monitor is off and
then press power button to turn the monitor on.
Function Control Illustration

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18.5" LCD Color Monitor AOC e936Swa
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18.5" LCD Color Monitor AOC e936Swa
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LED Indicator

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4. Input/Output Specification
4.1 Input Signal Connector
D-SUB connector

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4.2 Factory Preset Display Modes

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5 Panel Specification
5.1 Display Characteristics
AUO M185XW01
This specification applies to the 18.5 inch-wide Color a-Si TFT-LCD Module M185XW01.The display supports the
WXGA - 1366(H) x 768(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). All input signals are
1-channel LVDS interface and this module doesn’t contain an inverter board for backlight.
TPV TPM185B1-L01
The TPM185B1L01 Rev:C1D model is a 18.5 inch wide TFT-LCD module with LED Backlight Unit and 30-pin
1ch-LVDS interface. This module supports 1366 x 768 WXGA (16:9 wide screen) mode and displays up to 16.7
millions colors. The converter module for the Backlight Unit is not built in.

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TPV TPM185B1-XW01
Ta=25℃

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5.2 Optical Characteristics
AUO M185XW01
Ta=25℃

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TPV TPM185B1-L01
Ta=25℃

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TPV TPM185B1-XW01
Ta=25℃

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5.3 Electrical Characteristics
1.TFT LCD Module:
AUO M185XW01
TPV TPM185B1-L01
Vcc = 5.0 V, Ta = 25 ± 2 ºC, fv = 60 Hz

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TPV TPM185B1-XW01
Note 1:Measurement conditions:
The duration of rising time of power input is 470us.
Note 1:LVDS Signal Waveform