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AOC e950Swnk LCD Monitor Manual

The document is a service manual for the AOC e950Swnk 18.5" LCD monitor, detailing specifications, operation instructions, and safety precautions for servicing. It includes a table of contents, revision history, and sections on monitor description, input/output specifications, and troubleshooting. Important safety notices emphasize the need for proper handling and use of original replacement parts to ensure safe operation.

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0% found this document useful (0 votes)

25 views52 pages

AOC e950Swnk LCD Monitor Manual

Uploaded by

soportekontactus

We take content rights seriously. If you suspect this is your content, claim it here.

Available Formats

Download as PDF, TXT or read online on Scribd

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18.

5" LCD monitor AOC e950Swnk

Service
Service
Service

Horizontal Frequency
30 – 60kHz
Table of Contents
Description Page Description Page

Table of Contents…………………..…………………..…...1 6.Schematic…………..….........................................24

Revision List.…...................................................……......2 6.1.Main Board..…….…...........................................24
Important Safety Notice.….….............................……......3
6.2.Power Board..……….........................................28
1.Monitor Specification..............................………............4
6.3.Key Board..……….........................................30
2.LCD Monitor Description……….…………………….......5
7.PCB Layout..………..............................................31
3.Operation Instruction.…………...................……...........6
3.1.General Instructions....................................…...........6 7.1.Main Board………..…........................................31
3.2.Control Buttons and Connections...............................6 7.2.Power Board….…..............................................34
3.3.OSD Setting….........................................................8 7.3.Key Board………..…..........................................36
4.Input/Output Specification...............…………….......18 8.Maintainability………............................................37
4.1.Input Signal Connector...............………..................18
8.1.Equipments and Tools Requirement…...............37
4.2.Preset Display Modes…… ..........................19
8.2.Trouble Shooting…..………...............................38
4.3.Panel Specification…………..………………………..20
9.White-Balance,Luminance Adjustment…............42
5.Block Diagram….........................................................22
5.1.Main Board…..…............................................22 10.Monitor Exploded View……................................44
5.2.Power Board…………..…………………………......23 11.BOM List…………..……………………….............45

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

R FOR TH 1

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Revision List

Version Release Date Revision History TPV Model Name

T8A2R92BAGA2NNE

T8A2R92BAGA5NNE

T8C1R92BAGA7NNE

T8C1R92BAGA1NNE
A00 Feb.-21-2013 Initial release
T8C1R92BAGA3NNE

T8A2R92BAGACNNE

T8A2R92BAGA3NNE

T8AWR92BAGA2NNE

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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 Specifications

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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 board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips
each voltage.

Monitor Block Diagram

LED Drive
Flat Panel and
LED backlight

Main Board RS232 Connector

For white balance
Power Board adjustment in factory
mode
Keyboard

Video signal DDC

HOST Computer
AC-IN
100V-240V

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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 knobs are located at front panel of the monitor
(See Figure ). 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 ECO / DCR / Volume -

2 4:3 or Wide / Volume +
3 Source / Auto / Exit
4 Menu/Enter
5 Power
Power
Press the Power button to turn on/off the monitor.

Eco (DCR)/ -
Press the Eco key continuously to select the Eco mode of brightness and DCR on when there is no OSD. ( Eco
mode hot key may not be available in all models).

Volume
When there is no OSD, Press Volume button to active volume djustment bar, Press - or + to adjust volume(Only for
the models with speakers)

4 : 3 or wide/+
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. )

Auto / Exit
When there is no OSD, press Auto / Exit button continuously to do auto configure. (For the models with one input)
When there is no OSD, press Auto / Exit button continuously about 3 second to do auto configure. (Only for the
models with dual or more inputs)

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.
(Only for the models with dual or more inputs).

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1. AC port

2. VGA

3. DVI (available for selected models)

4. HDMI(available for selected models)

5. Audio(available for selected models)

To protect equipment, always turn off the PC and LCD monitor before connecting.

1. Connect the power cable to the AC 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. 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..

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 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.