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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
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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.)
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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
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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