1619SW Aoc Service Manual

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Text of 1619SW Aoc Service Manual

15" LCD Color Monitor

AOC 1619Sw

Service Service Service

Horizontal Frequency 30-60 kHz

TABLE OF CONTENTSDescription Page Description Page

Table Of Contents...1 Revision List....2 Important Safety Notice................................ 3 1. Monitor Specification......................................4 2. LCD Monitor Description.......5 3. Operation Instructions...............................................6 3.1. General Instructions...............................................6 3.2. Control Button................6 3.3 Adjusting the Picture.........................................7 4. Input/Output Specification........................10 4.1. Input Signal Connector.............................10 4.2. Factory Preset Display Modes........................11 4.3. Panel Specification.......................12 5. Block Diagram.........................................................14 5.1 Software Flow Chart..14

5.2.Electrical Block Diagram.......16 6. Schematic..............................................18 6.1 Main Board.................................................18 6.2 Power Board....23 6.3 Key Board....25 7. PCB Layout...............................................26 7.1. Main Board................................................26 7.2. Power Board.....................................................28 7.3. Key Board.........................................................29 8. Maintainability...............................................30 8.1.Equipments and Tools Requirement......................30 8.2.Trouble Shooting........................................31 9. White-Balance, Luminance adjustment.....37 10. Monitor Exploded View.........39 11. BOM List............................................................40

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 UNIT WHEN S 1

15" LCD Color MonitorRevision ListVersion A00 A01 Date Jan.-15-08 Feb.-12-08 Revision History Initial release Add new BOM

AOC 1619Sw

TPV Model Name T57MRDNQWKA2NN T57MRDNQWKA82N

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15" LCD Color Monitor Important Safety Notice

AOC 1619Sw

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 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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15" LCD Color Monitor 1. Monitor SpecificationDriving system TFT Color LCD Viewable Image Size 395mm diagonal LCD Panel Pixel pitch Dot Clock Display Colors Video Separate Sync. H-Frequency Input Horizontal scan Size(Maximum) V-Frequency Vertical scan Size(Maximum) Optimal preset resolution Highest preset resolution Plug & Play Power Consumption Input Connector Input Video Signal Power Source Height (with base) Dimension Width Depth Weight (monitor only) Weight (with packaging) Active < 23 W Standby < 1 W 15-pin D-Sub Analog: 0. 7Vp-p(standard), 75 OHM, Positive, 100~240V AC,47~63Hz 304 mm 376 mm 190 mm 2.7 kg 3.7 kg Temperature: Operating 0to 50 Environmental 0.252mm(H) x 0.252mm(V) 85 MHz 16.7M Colors R, G, B Analog Interface H/V TTL 30 60 kHz 344.232mm 55 - 75 Hz 193.536mm 1366 x 768 (75 Hz) 1366 x 768 (60 Hz) VESA DDC2B/CI

AOC 1619Sw

Humidity: Operating 10% to 85% (non-condensing) Altitude: Operating 0~ 3000m (0~ 10000 ft )

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15" LCD Color Monitor 2. LCD Monitor Descriptionbrightness control logic and DDC.

AOC 1619Sw

The LCD Monitor will contain main board, power board, key board which house the flat panel control logic,

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

CCFT Drive.

Flat Panel and CCFL backlight

Power Board (Include adapter and inverter)

Main Board

RS232 Connector For white balance adjustment in

Key board

factory mode

AC-IN 100V~240V

Video signal, DDC HOST Computer

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15" LCD Color Monitor 3. Operation Instructions3.1 General Instructions

AOC 1619Sw

Press the power button to turn the monitor on or off. The 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. Connect the video cable from the monitor to the video card. Press the power button to turn on the monitor, the power indicator will light up.

3.2 Control Buttons

1 Auto / Exit 2 Eco mode / 3 DCR / + 4 Menu 5 Power

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15" LCD Color Monitor3.3 Adjusting the PictureOSD Settings 1) Press the MENU-button to activate the OSD window.

AOC 1619Sw

2) Press- or + to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu . Once the desired function is highlighted, press MENU-button to activate it. 3) Press- or +to change the settings of the selected function. Press - or + to select another function in sub-menu . 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. 5) Eco Mode hot key : Press the Eco key continuously to select the Eco mode of brightness when there is no OSD ( Eco mode hot key may not be available in all models). 6) Volume adjustment hot key : When there is no OSD , press Volume (+) to active volume adjustment bar, press or + to adjust volume ( Only for the models with speakers). 7)DCR hot key () : Only to press DCR key continuously is able to active or disable DCR function when there is no OSD. 8)Auto configure hot key: When the OSD is closed, press Auto button will be auto configure hot key function .

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15" LCD Color MonitorOSD functions

AOC 1619Sw

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15" LCD Color Monitor

AOC 1619Sw

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15" LCD Color Monitor 4. Input/Output Specification4.1 Input Signal ConnectorD-Sub mini 15pin Connector

AOC 1619Sw

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15" LCD Color Monitor4.2 Factory Preset Display ModesHORIZONTAL STAND RESOLUTION FREQUENCY(KHZ) VGA VGA VGA VGA Dos-mode SVGA SVGA SVGA SVGA Mac-mode XGA XGA XGA XGA XGA wXGA 640480 @60Hz 640480 @67Hz 640480 @72Hz 640480 @75Hz 720400 @70Hz 800600 @56Hz 800600 @60Hz 800600 @72Hz 832624 @75Hz 832624 @75Hz 1024768 @60Hz 1024768 @70Hz 1024768 @72Hz 1024768 @75Hz 1024768 @75Hz 1366768 @60Hz 31.469 35.000 37.861 37.500 31.469 35.156 37.879 48.077 46.875 49.725 48.363 56.476 57.500 60.023 60.241 59.799

AOC 1619SwVERTICAL FREQUENCY(Hz) 59.940 66.667 72.809