AOC 511vwb 15inch LCD Monitor Sm

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AOC 511vwb LCD Monitor Service Manual

Text of AOC 511vwb 15inch LCD Monitor Sm

15 LCD Color Monitor

AOC 511Vwb

Service Service Service

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TABLE OF CONTENTSDescription Page Description

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.neHorizontal Frequency 30kHz 60kHz Page Revision List..............................................2 6. Schematic...........................................15 Important Safety Notice...........................3 6.1 Main Board................................................15 1. Monitor Specification......................................4 6.2 Inverter Board........................................21 3. Operation Instruction..........................6 7. PCB Layout..........................................23 3.1 General Instructions......................................6 7.1 Main Board.............................................23 3.2 Control Button..............................6 7.2 Adapter Board............................................24 4. Input/Output Specification........................8 7.4 Inverter Board...........................................26 4.1 Input Signal Connector.............................8 8. Maintainability..............................................26 4.2 Factory Preset Display Modes......................................9 8.1 Equipments and Tools Requirement..............26 4.3 Power Supply..........9 8.2 Trouble Shooting....................................27 3.3 Adjusting the Picture.......................................7 7.3 Key Board...........................................26 2. LCD Monitor Description.......5 6.3 Adapter Board....................................22

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4.4 Panel Specification.........................9 9. White-Balance, Luminance adjustment......................32 5. Block Diagram...................................11 10. Monitor Exploded View................34 5.1 Software Flow Chart. ...............11 11. BOM List........................................................35

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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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Table Of Contents...........................................1 5.2 Electrical Block Diagram..........13

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15 LCD Color Monitor Revision ListRevision A00 Date Feb-28-07 Revision History Initial Release

AOC 511Vwb

TPV Model T56CRXNQWYACNJ

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15 LCD Color Monitor Important Safety Notice

AOC 511Vwb

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

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 persons 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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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.

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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.

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Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock, fire, or other hazards.

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15 LCD Color Monitor1. Monitor SpecificationsModel number Driving system Size LCD Panel Pixel pitch Video Separate Sync. Display Color Dot Clock Horizontal scan range Horizontal scan range(Maximum) Vertical scan range Vertical scan range(Maximum) Optimal preset resolution Highest preset resolution Resolution Plug & Play Input Connector Input Video Signal Power Source Power Consumption Connector Type 511Vwb TFT Color LCD 15.4 16:10 0.258mm( H ) 0.258mm( V ) R,G,B Analog Interface H/V TTL 262k 74.7MKz 30kHz 63kHz 331.2mm 55Hz-60Hz 207mm

AOC 511Vwb

1280 x 800 (60 Hz) 1280 x 800 (60 Hz) VESA DDC2BTM/

Signal Cable Type Height (with base) Width Depth

//wWeight (monitor only) Weight (with packaging) Temperature: Operating Humidity: Non-Operating Operating Non-Operating Altitude: Operating Non-Operating CCC, FCC, CE, RoHS 4

Dimensions & Weight:

Physical Characteristics

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Environmental

Regulations

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.wDetachable 329.2mm 365mm 146mm 1.6Kg 2.9Kg 0- +50 -20 - 60

jelD-Sub 15-pin DC12V, 3.5A Power on: < 15W Standby: 1W 15-pin Mini D-Sub 0~3000m (0~10000 ft) 0~5000m (0~15000 ft)

Analog:0.7Vp-p(standard), 75 OHM, Positive

10% to 85% (non-condensing) 5% to 80% (non-condensing)

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15 LCD Color Monitor2. LCD Monitor Description

AOC 511Vwb

The LCD MONITOR will contain a main board, an inverter board, a keypad board and internal adapter which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel and the DC-DC conversion. Monitor Block Diagram

CCFL Drive.

Flat Panel and CCFL backlight

Inverter board

Main board

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Key board

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AC-IN 100V-240V

Adapter board

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tRS232 Connector For white balance adjustment in factory Video signal, DDC

15 LCD Color Monitor3. Operating Instructions 3.1 General Instructions

AOC 511Vwb

Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. 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 position. The power indicator will light up.

3.2 Control Buttons- Power Indicator: Green Full Power Mode Orange Active-off Mode

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- Eco Mode / - : Select the display model or adjust the value. - +: Move the cursor or adjust the value.

- Menu / Enter : Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in Brightness /Contrast Adjust OSD status.

1. 3. 5.

Power Button/ LED Eco Mode / Menu / Enter

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//w2. 4. Auto Adjust button / Exit + 6

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Auto Config / Exit: 1. When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu). 2. When OSD menu is in off status, press this button for 2 seconds to activate the Auto Adjustment function. The Auto Adjustment function is used to set the HPos, VPos, Clock and Focus.

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- Power Button: Press this button to turn the monitor ON or OFF.

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15 LCD Color Monitor3.3 Adjusting the Picture1. Press the MENU-button to activate the OSD window.

AOC 511Vwb

2. Press+ or - to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it. If the function selected has a sub-menu, press or again 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. To exit and save, select the exit function. 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-bu