Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor 201S

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201S

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20" LCD Color Monitor AOC 201S

Service
Service
Service

Horizontal Frequency
30 kHz - 82kHz
TABLE OF CONTENTS
Description Page Description Page

Table Of Contents......................................................1 6.1 Software Flow Chart....................................13
Revision List........................................................2 6.2. Electrical Block Diagram..................................15
1. Monitor Specification...............................................4 7. Schematic.....................................................17
2. LCD Monitor Description........................................5 7.1 Main Board....................................................17
3. Operation Instruction............................................6 7.2 Power Board...............................................23
3.1. General Instructions.........................................6 7.3 Key Board..............................................25
3.2. Control Buttons.................................................6 8. PCB Layout.....................................................26
3.3 Adjusting the Picture..........................................7 8.1. Main Board......................................................26
4. Input/Output Specification.......................................9 8.2. Power Board........................................................28
4.1. Input Signal Connector.........................................9 8.3. Key Board...............................................30
4.2. Factory Preset Display Modes...........................10 9. Maintainability................................................31
4.3. Power Supply Requirements...............................10 9.1. Equipments and Tools Requirement..............31
5. Panel Specification.........................................11 9.2.Trouble Shooting.......................................32
5.1. General Feature...............................................11 10.White-Balance, Luminance adjustment..........38
5.2. Optical Characteristics.....................................12 11 Monitor Exploded View...................................40
6. Block Diagram.....................................................13 12. BOM List...................................................41

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

1
20" LCD Color Monitor AOC 201S
Revision List

Version Date Revision History TPV Model Name
A00 Apr.-15-07 Initial release TA6MM5DBACA2N

2
20" LCD Color Monitor AOC 201S
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.
3
20" LCD Color Monitor AOC 201S
1. Monitor Specification

Items Description

Driving system TFT Color LCD

Size 51cm (20")

Panel M201P1-L03

Display area 432.5(H) x332.0 (V)

Pixel pitch 0.2916mm(H) x 0.2916mm(V)

LCD Panel Viewable angle 160

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