17" LCD Color Monitor |
AOC 717Fwy |
Service
Service
Service
Horizontal Frequency
55.5-70.6 kHz
TABLE OF CONTENTS
Description |
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Table Of Contents…………………………………………...1 |
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Revision List……………………………………………… |
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Important Safety Notice………………………………….... |
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1. |
Monitor Specification..............................…………........ |
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2. |
LCD Monitor Description……………………………....... |
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3. |
Operation Instructions.................................... |
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3.1. General Instructions.................. |
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3.2. Control Button…………………………….…...............7 |
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3.3 Adjusting the Picture...........................…..............8 |
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4. |
Input/Output Specification............……………............12 |
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4.1. Input Signal Connector............…………................. |
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4.2. Factory Preset Display Modes......….................. |
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4.3. Panel Specification.....………………..................13 |
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5. |
Block Diagram….........................................................16 |
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5.1 Software Flow Chart………………………….……….16 |
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Description |
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5.2.Electrical |
Block Diagram…………………….......18 |
6.Schematic……………..............................................19 6.1 Main Board....……….............................................19 6.2 Power Board………………………………………....24
7.PCB Layout..………….............................................27
7.1.Main Board………................................................27
7.2. Power Board…..................................................... |
29 |
7.3. Key Board….........................................................30 |
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8. Maintainability………............................................... |
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8.1.Equipments and Tools Requirement...................... |
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8.2.Trouble Shooting………........................................32 |
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9. White-Balance, Luminance adjustment……….. ...… 38 |
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10. Monitor Exploded View…………………….…........ |
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11. BOM List…............................................................ |
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12. Different Parts List….......................................... |
52 |
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
17" LCD Color Monitor |
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AOC 717Fwy |
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Revision List |
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Version |
Date |
Revision History |
TPV Model Name |
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T77HRDNQBWA15N |
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A00 |
Apr.-08-2008 |
Initial release |
T77HRDNQBWA16N |
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T77HRDNQBWA25N |
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T77HRDNQBWA26N |
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2
17" LCD Color Monitor |
AOC 717Fwy |
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
17" LCD Color Monitor |
AOC 717Fwy |
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1. Monitor Specification |
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Model number |
717Fwy |
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Driving system |
TFT Color LCD |
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Viewable Image Size |
432mm diagonal |
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Pixel pitch |
0.255mm(H) x 0.255mm(V) |
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LCD Panel |
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Video |
R, G, B Analog interface |
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Separate Sync. |
H/V TTL |
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Display Color |
16.2M Colors |
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Dot Clock |
53.25 MHz |
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Horizontal scan range |
55.5 kHz - 70.6 kHz |
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Horizontal scan Size(Maximum) |
367.2mm |
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Vertical scan range |
56 Hz - 75 Hz |
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Vertical scan Size(Maximum) |
229.5mm |
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Optimal preset resolution |
1440 x 900 (60 Hz) |
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Highest preset resolution |
1440 x 900 (75 Hz) |
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Resolution |
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Plug & Play |
VESA DDC2B/CI |
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Input Connector |
D-Sub 15pin |
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Input Video Signal |
Analog: 0.7Vp-p(standard), 75 OHM, Positive |
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Power Source |
100~240VAC, 50/60Hz |
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Active < 37 W |
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Power Consumption |
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Standby < 1 W |
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Speakers |
2 x 1W |
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Connector Type |
15-pin Mini D-Sub |
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Signal Cable Type |
Detachable |
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Dimensions & Weight: |
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Physical |
Height (with base) |
337.5 mm |
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Characteristics |
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Width |
400.3 mm |
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Depth |
209.9 mm |
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Weight (monitor only) |
3.2 kg |
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Weight (with packaging) |
4.2kg |
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Temperature: |
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Operating |
0°to 50° |
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Environmental |
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Non-Operating |
-20°to 60° |
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Humidity: |
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4
17" LCD Color Monitor |
AOC 717Fwy |
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Operating |
10% to 85% (non-condensing) |
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Non-Operating |
5% to 80% (non-condensing) |
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Altitude: |
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Operating |
0~ 3000m (0~ 10000 ft ) |
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Non-Operating |
0~ 5000m (0~ 15000 ft ) |
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5
17" LCD Color Monitor |
AOC 717Fwy |
2. LCD Monitor Description
The LCD Monitor will contain main board, power board, key board which house the flat panel control logic, brightness control logic and DDC.
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
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CCFT Drive. |
Flat Panel and |
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CCFL backlight |
Power Board |
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Main Board |
(Include adapter and inverter) |
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Key board |
AC-IN |
HOST Computer |
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100V~240V |
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RS232 Connector For white balance adjustment in factory mode
Video signal, DDC
6
17" LCD Color Monitor |
AOC 717Fwy |
3. Operation Instructions
3.1 General Instructions
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.
3.2Control Buttons
1Eco mode / Up
2Auto / Down
3Volume / Left
4DCR / Right
5Menu / Power
7
17" LCD Color Monitor |
AOC 717Fwy |
3.3 Adjusting the Picture
OSD Settings
Press the Menu (Power) button to activate the OSD window. Press left, right, up, down button to navigate through the functions. Once the desired function is highlighted, press the Menu (Power) button to activate sub-menu.
In sub-menu, Press up, down button to navigate through the functions. Once the desired function is highlighted, press
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button to button to change the setting. Press Menu (Power) button to return to superior menu.
If you want to adjust any other function, repeat steps 1-2.
To exit OSD windows, select “exit” icon on main OSD, then press the Menu (Power) button.
OSD Lock Function: To lock the OSD, press and hold the Left 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 Left button while the monitor is off and then press power button to turn the monitor on.
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).
Volume adjustment hot key: When there is no OSD, press Volume (
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to adjust volume (Only for the models with speakers).
DCR hot key (
): Press DCR key continuously to active or disable DCR function when there is no OSD.
Auto configure hot key: When the OSD is closed, press Auto/Source button continuously about 3 second to do auto configure.
Press the Power button continuously about 2 second to turn off the monitor.
8
17" LCD Color Monitor |
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AOC 717Fwy |
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OSD functions |
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Luminance |
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Adjust Range |
Description |
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Brightness |
0-100 |
Backlight Adjustment |
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Contrast |
0-100 |
Contrast from Digital-register. |
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Standard Mode |
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Standard |
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Text Mode |
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Text |
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Eco mode |
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Internet Mode |
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Internet |
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Game Mode |
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Game |
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Movie Mode |
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Movie |
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Sports Mode |
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Sports |
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Gamma1 |
Adjust to Gamma1 |
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Gamma |
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Gamma2 |
Adjust to Gamma 2 |
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Gamma3 |
Adjust to Gamma 3 |
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Off |
Disable dynamic contrast ratio |
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DCR |
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On |
Enable dynamic contrast ratio |
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Image Setup |
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Clock |
0-100 |
Adjust picture Clock to reduce |
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Vertical-Line noise. |
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Phase |
0-100 |
Adjust Picture Phase to reduce |
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Horizontal-Line noise |
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H. Position |
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0-100 |
Adjust the horizontal position of the |
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9
17" LCD Color Monitor |
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AOC 717Fwy |
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picture. |
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V. Position |
0-100 |
Adjust the vertical position of the |
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picture. |
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Color Temp. |
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Warm |
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Recall Warm Color Temperature |
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from EEPROM. |
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6500K |
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Normal |
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Recall Normal Color Temperature |
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from EEPROM. |
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7300K |
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Cool |
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Recall Cool Color Temperature from |
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EEPROM. |
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9300K |
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sRGB |
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Recall SRGB Color Temperature |
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from EEPROM. |
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Red |
Red Gain from Digital-register |
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User |
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Green |
Green Gain Digital-register. |
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Blue |
Blue Gain from Digital-register |
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Color Boost |
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Full Enhance |
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on or off |
Disable or Enable Full Enhance |
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Mode |
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Nature Skin |
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on or off |
Disable or Enable Nature Skin Mode |
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Green Field |
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on or off |
Disable or Enable Green Field Mode |
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Sky-blue |
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on or off |
Disable or Enable Sky-blue Mode |
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AutoDetect |
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on or off |
Disable or Enable AutoDetect Mode |
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Demo |
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on or off |
Disable or Enable Demo |
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Picture Boost |
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Frame Size |
14-100 |
Adjust Frame Size |
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Brightness |
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0-100 |
Adjust Frame Brightness |
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Contrast |
0-100 |
Adjust Frame Contrast |
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Hue |
0-100 |
Adjust Frame Hue |
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Saturation |
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0-100 |
Adjust Frame Saturation |
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H. position |
Adjust Frame horizontal Position |
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Position |
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V. position |
Adjust Frame vertical Position |
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Bright Frame |
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on or off |
Disable or Enable Bright Frame |
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OSD Setup |
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H. Position |
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0-100 |
Adjust the horizontal position of |
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OSD |
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10
17" LCD Color Monitor |
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AOC 717Fwy |
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V. Position |
0-100 |
Adjust the vertical position of OSD |
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Timeout |
5-120 |
Adjust the OSD Timeout |
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Transparence |
0-100 |
Adjust the transparence of OSD |
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Language |
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Select the OSD language |
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Extra |
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Input Select |
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Auto |
Select to Auto Detect input signal |
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Auto Config |
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yes or no |
Auto adjust the picture to default |
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Image Ratio |
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wide or 4:3 |
Select wide or 4:3 format for display |
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DDC-CI |
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yes or no |
Turn ON/OFF DDC-CI Support |
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Information |
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Show the information of the main |
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image and sub-image source |
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Reset |
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Reset |
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yes or no |
Reset the menu to default |
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Exit |
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Exit |
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Exit the main OSD |
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11
17" LCD Color Monitor |
AOC 717Fwy |
4. Input/Output Specification
4.1 Input Signal Connector
D-Sub mini 15pin Connector
4.2 Factory Preset Display Modes
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Horizontal |
Vertical |
Stand |
Resolution |
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Frequency(KHz) |
Frequency(Hz) |
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Dos-mode |
720×400 |
31.47 |
70 |
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VGA |
640×480 |
31.47 |
60 |
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VGA |
640×480 |
37.5 |
75 |
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SVGA |
800×600 |
37.879 |
60 |
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SVGA |
800×600 |
46.875 |
75 |
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XGA |
1024×768 |
48.363 |
60 |
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XGA |
1024×768 |
56.476 |
70 |
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XGA |
1024×768 |
60.023 |
75 |
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WSXGA |
1440×900 |
55.9 |
60 |
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WSXGA |
1440×900 |
70.6 |
75 |
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12
17" LCD Color Monitor |
AOC 717Fwy |
4.3. Panel Specification
4.3.1 General Feature
Hannstar Display model HSD170MGW1-B00 is a color active matrix thin film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, a driving circuit and a back light system. This TFT LCD has a 17.0 inch diagonally measured active display area with XGA resolution (900 vertical by 1440 horizontal pixel array) and can display up to 16.2M(6 –bit + FRC )colors.
13
17" LCD Color Monitor |
AOC 717Fwy |
4.3.2 Optical Characteristics
14
17" LCD Color Monitor |
AOC 717Fwy |
4.3.3 Electrical Characteristics
TFT Module
Back-light
15
17" LCD Color Monitor |
AOC 717Fwy |
5. Block Diagram
5.1 Software Flow Chart
1
Y
2 
3
N
4
5 |
N |
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Y |
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6
7 |
N |
8 |
Y
9
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10 |
N |
11 |
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Y |
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N |
12 |
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13 |
N |
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Y |
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Y |
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14 |
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15 |
N |
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16 |
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Y |
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17 |
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18 N 19
Y
16
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