AOC e1620Sw User manual

15.6"LCDColorMonitor AOC e1620Sw
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Service
Service
Service
HorizontalFrequency
30-60kHz
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 Instructions....................................…...........6
3.1.General Instructions...........................….....................6
3.2.Control Buttons………………………….…................6
3.3 Adjusting the Picture...................................................7
4. Input/Output Specification............……………............18
4.1.Input Signal Connector..............………….................18
4.2.Factory Preset Display Modes............…..................19
4.3.Panel Specification......……..……………..................20
5. Block Diagram….........................................................22
5.1 Main Board……………………………………….…….22
5.2.Power Board……………………………………….......25
6.Schematic……………..............................................27
6.1.Main Board....……….............................................27
6.2.Power Board………………………………………....39
6.3.Key Board…………………...….……………………44
7.PCB Layout..………….............................................45
7.1.Main Board……….................................................45
7.2.Power Board.….....................................................51
7.3.Key Board…..........................................................59
8.Maintainability………...............................................60
8.1.Equipments and Tools Requirement......................60
8.2.Trouble Shooting………........................................61
9.White-Balance,Luminance Adjustment….……..…...65
10.Monitor Exploded View…………….……….….......67
11.BOM List….............................................................69
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

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Revision List
Note: Check updating contents, please input keywords in the “Find box” of PDF and click “OK”. After that, it will
automatically locate to the updating contents.
Version Release Date Revision History TPV Model Name
A00 Apr.15, 2010 Initial release T692M5NCYHGGNN
A01 Sep.30, 2010 Add new models
T692M5NCYHACNN
T692M5NCYHACNN
T692M5NCYHPUNN
A02 Nov.11,2010 Add new models T6AMSP2EYHPUNN
T692M52TYH1RNN
A03 Dec.16,2010
Add new models, lead in the
new main board[PCB P/N:
715G3529 1]
Update as below:
Block Diagram
Schematic
BOM
T6AMSP2EYHGGNN
A04 Jan.20,2011
Add new models, lead in the
new converter board[PCB P/N:
715G4013P01005004I]
Update as below:
Block Diagram
Schematic
PCB Layout
BOM
T6A7SP2EYHGGNN
T6A7SP2EYHPUNN
A05 Jan.27,2011 Add new model T6AMSP2EYHACNN
A06 Mar.29.2011 Add new model T6AMSP2EYHRMNN
T6B2SP2EYHGGNN
A07 Nov.08.2011
Add new models, lead in the
new main board[PCB P/N:
715G4734M02000004I] and
power board[PCB P/N:
715G3189P02LED001R]
Update as below:
Block Diagram
Schematic
PCB Layout
T6BMSR2EYHGGNN

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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 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 Specification

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2. LCD Monitor Description
The LCD Monitor will contain a main board, an adapter board, a converter board and a key board which house the
flat panel control logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips
each voltage.
Video signal, DDC
Adapter Board
Flat Panel and
LED backlight
Main Board RS232 Connector
For white balance
adjustment in
factory mode
HOST Computer
LED Drive.
AC-IN
100V~240V
Monitor Block Diagram
Key board
Converter Board

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3. Operation 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.
3.2 Control Buttons
Power
Press the Power button continuously to turn off the monitor.
4:3 or wide image ratio hot key
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. )
Eco Mode / <
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).
Auto / Exit
When the OSD is closed, press Auto button will be auto configure hot key function.

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3.3 Adjusting the Picture
OSD Settings
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 sub-menu . Once the desired function is highlighted, press MENU-button to activate it.
3) Press < or > to change the settings of the selected function. Press < or > to select another function in sub-menu.
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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4. Input/Output Specification
4.1 Input Signal Connector
D-Sub 15pin Connector
Pin Number 15-Pin Side of the Signal Cable
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

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4.2 Factory Preset Display Modes

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4.3. Panel Specification
M156B1-L01 is a 15.6” wide TFT Liquid Crystal Display module with white LED(1PCS Lightbar, LED-3020 96PCS)
Backlight unit and 30pin 1ch-LVDS interface. This module supports 1366 x768 WXGA mode and can display up to
16.7M colors. The conventer module for Backlight is not built in.
4.3.1 General Feature
4.3.2 Optical Characteristics