Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor 2230FA

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2230FA


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22" LCD Color Monitor                                                                                                               AOC 2230FA


Service
Service
Service




                                                                                                                         Horizontal Frequency
                                                                                                                               24 kHz - 83 kHz

                                                            TABLE OF CONTENTS

Description                                                           Page Description                                                              Page
Table Of Contents...................................................1 6. Schematic................................................................19
Important Parts List.................................................2 6.1 Main Board.............................................................19
Revision List..........................................................3 6.2 Power Board....................................................23
1. Monitor Specification..................................................4 6.3 Key Board.......................................................25
2. LCD Monitor Description........................................5 6.4 Audio Board....................................................26
                                                                                7. PCB Layout..............................................................27
3. Operation Instruction....................................................6
                                                                                7.1. Main Board............................................................27
3.1. General Instructions..................................................6
                                                                                7.2. Power Board...........................................................30
3.2. Control Button....................................................6
                                                                                7.3. Key Board...............................................................33
3.3 Adjusting the Picture..................................................8
                                                                                7.4 Audio Board....................................................34
4. Input/Output Specification.......................................12
                                                                       8.Maintainability............................................................35
4.1. Input Signal Connector.........................................12 8.1.Equipments and Tools Requirement.........................35
4.2. Factory Preset Display Modes................................13 8.2.Trouble Shooting.....................................................36
4.3. Panel Specification..............................................14 9. White-Balance, Luminance adjustment....................42
5. Block Diagram............................................................16 10.Monitor Exploded View........................................44
5.1 Software Flow Chart.........................................16 11.BOM List...................................................................45
5.2.Electrical Block Diagram.....................................18 12. Different Parts List....................................................55

                                                                 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
22" LCD Color Monitor                                                                                   AOC 2230FA
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.)




                                                            2
22" LCD Color Monitor                                             AOC 2230FA
                                  Revision List

     Version            Date      Revision History     TPV Model Name

       A00        Jul.-14 -2008     Initial release   TC8MMTNKWCA1DN

       A01        Aug.-19 -2008     Add new BOM       TC8MMTNLWCCKDZ




                                         3
22" LCD Color Monitor                                                                         AOC 2230FA
1. Monitor Specification
                   Model number                2230Fa
                   Driving system              TFT Color LCD
                   Viewable Image Size         558mm diagonal
                   Pixel pitch                 0.282mm(H) x 0.282mm(V)
       Panel
                   Video                       R, G, B Analog lnterface & Digital Interface
                   Separate Sync.              H/V TTL
                   Display Color               16.7M Colors
                   Dot Clock                   164 MHz
                   Horizontal scan range       24 kHz - 83 kHz
                   Horizontal scan
                                               473.76mm
                   Size(Maximum)
                   Vertical scan range         56 Hz - 75 Hz
                   Vertical scan
                                               296.1mm
                   Size(Maximum)
                   Optimal preset resolution   1680 x 1050 (60 Hz)
                   Highest preset resolution   1680 x 1050 (60 Hz)
     Resolution
                   Plug & Play                 VESA DDC2B/CI
                   Input Connector             D-Sub 15pin & DVI-D
                                               Analog: 0.7Vp-p(standard), 75 OHM, Positive & DVI-D Digital
                   Input Video Signal
                                               Interface (TMDS)
                   Power Source                100~240VAC, 50/60Hz
                                               Active < 49 W
                   Power Consumption
                                               Standby < 2 W
                   Connector Type              15-pin Mini D-Sub & DVI-D
                   Signal Cable Type           Detachable
                   Dimensions & Weight:

     Physical      Height (with base)          416.8 mm
   Characteristics Width                       510.2 mm
                   Depth                       219.6 mm
                   Weight (monitor only)       5.2 kg
                   Weight (with packaging)     6.7 kg
                   Temperature:
                   Operating                   0



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