22" LCD Color Monitor |
AOC 2210S |
Service
Service
Service
Horizontal Frequency
30-83 KHz
TABLE OF CONTENTS
Description |
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 Instruction…………...............……...........6 3.1.General Instructions...........................…...........6 3.2.Control Button…………….…..............……...............6 3.3.OSD Menu…………….…...........................…............7 4.Input/Output Specification............……………............9 4.1.Input Signal Connector............………….................9 4.2.Factory Preset Display Modes..........................10 4.3.Panel Specification.....………………..................11 5.Block Diagram…..…...................…………................13 5.1.Software Flow Chart……………..…………....….......13
5.2.Electrical Block Diagram……………..….......15 6.Schematic……………......................................17
6.1Main Board……..............................................17
6.2Power Board....……....................................21 7.PCB Layout..………….......................................23 7.1.Main Board………..……........................................23 7.2.Power Board....………....................................26 7.3.Key Board……………............................................28 8.Maintainability……….......................................29 8.1.Equipments and Tools Requirement...............29 8.2.Trouble Shooting…………..............................30 9.White-Balance, Luminance adjustment…….............36 10.Monitor Exploded View……...……..…….…............38 11.BOM List…………..…………………………............39 12.Different Parts List……………………………………54
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 |
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AOC 2210S |
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Revision List |
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Version |
Release Date |
Revision History |
TPV Model Name |
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TC6MMADBWQA5HP |
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A00 |
Jan.12, 2007 |
Initial release |
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TC6MMANQWQACHP |
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TC6MMANPWQXMHP |
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2
22" LCD Color Monitor |
AOC 2210S |
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
22" LCD Color Monitor |
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AOC 2210S |
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1. Monitor Specifications |
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Driving system |
TFT Color LCD |
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Size |
558mm ( 22") |
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LCD Panel |
Pixel pitch |
0.282mm( H )x 0.282mm( V ) |
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Response time (type) |
5ms for CMO panel |
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Viewable angle |
170˚ (H) 160˚ (V) |
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Video |
R,G,B Analog Interface |
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Sync. Type |
H/V TTL |
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Input |
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H-Frequency |
30kHz – 83kHz |
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V-Frequency |
55-75Hz |
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Power Consumption |
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Active |
<49W |
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Standby |
<1W |
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Display Color |
16.7M |
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Dot Clock |
165MHz |
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Contrast Ratio |
700:1 |
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White Luminance |
300cd/m2 |
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Max. Resolution |
1680 x 1050 |
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Plug & Play |
VESA DDC2BTM |
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Power Source |
100~240VAC,47~63Hz |
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Input Connector |
15-pin Mini D-Sub |
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Input Video Signal |
Analog:0.7Vp-p(standard),75 OHM, Positive |
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Maximum Screen |
Horizontal : 473.76mm |
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Size |
Vertical: 296.1mm |
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Environmental |
Operating Temp:0°C to 50°C |
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Storage Temp: -20°C to 60°C |
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Considerations |
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Operating Humidity: 10% to 80% |
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4
22" LCD Color Monitor |
AOC 2210S |
2. LCD Monitor Description
The LCD monitor will contain a main board, a power board and a 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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CCFL Drive. |
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Flat Panel and |
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CCFL backlight |
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Power board |
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Main Board |
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RS232 Connector |
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For white balance |
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(Include: adapter, inverter) |
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adjustment in factory |
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mode |
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Key Board |
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Video signal, DDC |
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AC-IN |
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HOST Computer |
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5
22" LCD Color Monitor |
AOC 2210S |
3. Operating Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located at the front of the 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
3.2.1 Key Control
3.2.2Key Function
1.DDC-CI
2.Auto Config
3.Eco Mode/ down
4.Up
5.Menu / Enter
6.Power Button & Indicator
OSD Settings
Press DDC-CI button continuously for 7 seconds to turn on the DDC-CI function.
Press the MENU-button to activate the OSD window.
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.
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.
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.
6
22" LCD Color Monitor |
AOC 2210S |
3.3 OSD Menu |
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Function Control Illustration
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Luminance |
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Brightness |
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Backlight Adjustment |
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Contrast |
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Contrast from Digital-register. |
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Standard |
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Standard Mode |
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Eco mode |
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Text |
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Text Mode |
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Internet |
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Internet Mode |
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Game |
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Game Mode |
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Movie |
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Movie Mode |
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Sports |
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Sports Mode |
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Gamma |
Gamma1 |
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Adjust to Gamma1 |
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Gamma2 |
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Adjust to Gamma 2 |
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Gamma3 |
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Adjust to Gamma 3 |
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DCR |
Off |
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Disable dynamic contrast ratio |
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On |
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Enable dynamic contrast ratio |
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Image Setup |
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Clock |
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Adjust picture Clock to reduce Vertical-Line |
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noise. |
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Focus |
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Adjust Picture Phase to reduce Horizontal-Line |
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noise |
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H.Position |
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Adjust the verticalposition of the picture. |
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V.Position |
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Adjust the horizontal position of the picture. |
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Color Temp. |
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Warm |
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Recall Warm Color Temperature from EEPROM. |
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7 |
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22" LCD Color Monitor |
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AOC 2210S |
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Normal |
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Recall Normal Color Temperature from |
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EEPROM. |
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Cool |
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Recall Cool Color Temperature from EEPROM. |
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sRGB |
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Recall sRGB Color Temperature from EEPROM. |
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User-B |
Blue Gain from Digital-register |
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User-G |
Green Gain Digital-register. |
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User |
User-R |
Red Gain from Digital-register |
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User-Y |
Yellow Gain from Digital-register |
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User-C |
Cyan Gain from Digital-register |
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User-M |
Magenta Gain from Digital-register |
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Color Boost |
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Full Enhance |
on or off |
Disable or Enable Full Enhance Mode |
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Nature Skin |
on or off |
Disable or Enable Nature Skin Mode |
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Green Field |
on or off |
Disable or Enable Green Field Mode |
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Sky-blue |
on or off |
Disable or Enable Sky-blue Mode |
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AutoDetect |
on or off |
Disable or Enable AutoDetect Mode |
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Demo |
on or off |
Disable or Enable Demo |
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Picture Boost |
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Frame Size |
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Adjust Frame Size |
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Brightness |
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Adjust Frame Brightness |
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Contrast |
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Adjust Frame Contrast |
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Hue |
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Adjust Frame Hue |
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Saturation |
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Adjust Frame Saturation |
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Position |
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Adjust Frame Position |
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Bright Frame |
on or off |
Disable or Enable Bright Frame |
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OSD Setup |
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H.Position |
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Adjust the verticalposition of OSD |
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V.Position |
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Adjust the horizontal position of OSD |
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Timeout |
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Adjust the OSD Timeout |
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Language |
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Select the OSD language |
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Extra |
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Input Select |
Digital |
Select Digital Sigal Source as Input |
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Analog |
Select Analog Sigal Source as Input |
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Auto Config |
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Auto adjust the picture to default |
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Reset |
yes or no |
Reset the menu to default |
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Information |
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Show the information of the main image and |
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sub-image source |
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8
22" LCD Color Monitor |
AOC 2210S |
4. Input/Output Specification
4.1 Input Signal Connector
Analog connectors
Pin No. |
Description |
Pin No. |
Description |
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Video-Red |
9. |
+5V |
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Video-Green |
10. |
Detect Cable |
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Video-Blue |
11. |
NC |
4. |
NC |
12. |
DDC-Serial Data |
5. |
GND |
13. |
H-Sync |
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GND-R |
14. |
V-Sync |
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GND-G |
15. |
DDC-Serial clock |
8. |
GND-B |
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VGA connector layout |
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6 |
10 |
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11 |
15 |
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9
22" LCD Color Monitor |
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AOC 2210S |
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4.2 Factory Preset Display Modes |
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VESA MODES |
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Horizontal |
Vertical |
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Nominal |
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Nominal |
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Nominal |
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Sync |
Sync |
Pixel |
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Mode |
Resolution |
Total |
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Frequency |
Freq. |
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Polarity |
Polarity |
Clock |
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+/- 0.5kHz |
+/- 1 Hz |
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(MHz) |
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640x480@60Hz |
800 x 525 |
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31.469 |
N |
59.940 |
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25.175 |
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VGA |
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640x480@72Hz |
832 x 520 |
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37.861 |
N |
72.809 |
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31.500 |
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640x480@75Hz |
840 x 500 |
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37.500 |
N |
75.00 |
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31.500 |
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800x600@56Hz |
1024 x 625 |
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35.156 |
N/P |
56.250 |
N/P |
36.000 |
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SVGA |
800x600@60Hz |
1056 x 628 |
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37.879 |
P |
60.317 |
P |
40.000 |
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800x600@72Hz |
1040 x 666 |
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48.077 |
P |
72.188 |
P |
50.000 |
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800x600@75Hz |
1056x625 |
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46.875 |
P |
75.000 |
P |
49.500 |
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1024x768@60Hz |
1344x806 |
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48.363 |
N |
60.004 |
N |
65.000 |
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XGA |
1024x768@70Hz |
1328x806 |
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56.476 |
N |
70.069 |
N |
75.000 |
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1024x768@72Hz |
1304x798 |
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57.7 |
P |
72 |
P |
78.4 |
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1024x768@75Hz |
1312x800 |
|
60.023 |
P |
75.029 |
P |
78.750 |
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1280x1024@60Hz |
1688x1066 |
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63.981 |
P |
60.020 |
P |
108.000 |
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1280x1024@70Hz |
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74.4 |
P |
70 |
P |
124.9 |
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SXGA |
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1280x1024@72Hz |
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77.9 |
P |
72 |
P |
134.6 |
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1280x1024@75Hz |
1688x1066 |
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79.976 |
P |
75.025 |
P |
135.000 |
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1280x960@60Hz |
1800x1000 |
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60 |
P |
60 |
P |
108 |
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WSXGA |
1680x1050@60Hz |
2240x1089 |
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65.29 |
N |
59.95 |
P |
146.25 |
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IBM MODES |
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Horizontal |
Vertical |
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DOS |
720x400@70Hz |
900 x 449 |
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31.469 |
N |
70.087 |
P |
28.322 |
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DOS |
640x350@70Hz |
800 x 449 |
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31.469 |
P |
70.087 |
N |
25.175 |
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XGA |
1024x768@72Hz |
1304 x 798 |
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57.515 |
P |
72.1 |
P |
75.000 |
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MAC MODES |
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VGA |
640x480@67Hz |
864x525 |
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35.000 |
N |
66.667 |
N |
30.240 |
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SVGA |
832x624@75Hz |
1152x667 |
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49.725 |
N |
74.551 |
N |
57.2832 |
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XGA |
1024x768@60Hz |
1312x813 |
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48.780 |
N |
60.001 |
N |
64.000 |
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1024x768@75Hz |
1328x804 |
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60.241 |
N |
74.927 |
N |
80.000 |
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10
22" LCD Color Monitor |
AOC 2210S |
4.3 Panel Specification |
|
4.3.1 General Features |
|
The M220Z1-L01 model is a 22 inch wide TFT-LCD module with a 4-CCFL Backlight Unit and a 30-pin 2ch-LVDS interface. This module supports 1680 x 1050 WSXGA+ (16:10 wide screen) mode and displays up to 16.7 millions colors. The inverter module for the Backlight Unit is not built in.
4.3.2 Features
-Super wide viewing angle
-High contrast ratio
-Fast response time
-High color saturation (EBU Like Specifications)
-WSXGA+ (1680 x 1050 pixels) resolution
-DE (Data Enable) only mode
-LVDS (Low Voltage Differential Signaling) interface
4.3.3 Display Characteristics
11
22" LCD Color Monitor |
AOC 2210S |
4.3.4 Optical Characteristics
4.3.5Electrical Characteristics
(1)TFT-LCD
(2) Backlight
12
22" LCD Color Monitor
5. Block Diagram
5.1 Software Flow Chat
18
AOC 2210S
1
2
N
4
5
Y
6
7
Y
9
10 Y
N12
Y
14
N19 Y
Y 3
N
N 8
N 11
13 N
Y
15 |
N |
16 |
|
Y
17
13
22" LCD Color Monitor |
AOC 2210S |
1)MCU initialize.
2)Is the EPROM blank?
3)Program the EPROM by default values.
4)Get the PWM value of brightness from EPROM.
5)Is the power key pressed?
6)Clear all global flags.
7)Are the AUTO and SELECT keys pressed?
8)Enter factory mode.
9)Save the power key status into EPROM. Turn on the LED and set it to green color. Scalar initializes.
10)In standby mode?
11)Update the lifetime of back light.
12)Check the analog port, are there any signals coming?
13)Does the scalar send out an interrupt request?
14)Wake up the scalar.
15)Are there any signals coming from analog port?
16)Display "No connection Check Signal Cable" message. And go into standby mode after the message disappear.
17)Program the scalar to be able to show the coming mode.
18)Process the OSD display.
19)Read the keyboard. Is the power key pressed?
14
22" LCD Color Monitor
5.2 Electrical Block Diagram
5.2.1 Main Board
Flash Memory
PM25LV010-25 SCE (U402)
SDA
SCL
EEPROM 24LC16B/SNG (U403)
AOC 2210S
Panel Interface
(CN101)
Scalar TSUMU58WHJ-LF |
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Key Control |
(Include MCU, ADC, OSD) |
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Interface |
(U401) |
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(CN403) |
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H sync |
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Crystal |
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V sync |
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RGB |
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14.318MHZ |
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(X401) |
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D-Sub |
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Connector |
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(CN405) |
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VGA_SDA, |
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VGA_SCL |
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EEPROM |
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M24C02 |
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(U404) |
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15
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22" LCD Color Monitor |
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AOC 2210S |
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5.2.2 Inverter/Power Board |
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AC input |
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Bridge |
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Rectifier |
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Transformer |
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EMI filter |
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Rectifier |
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diodes |
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and Filter |
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Start Circuit: R927 R928 R929 |
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CN903 |
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24V |
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Feedback |
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PWM |
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Circuit |
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Control IC |
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12V |
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ON/OFF |
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Output |
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MOSFET |
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Circuit |
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Transformer |
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Lamp |
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Feedback |
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Over |
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ON/OFF |
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PWM |
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Circuit |
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Voltage |
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Control |
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Control IC |
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DIM |
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DIM |
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16
22" LCD Color Monitor
6. Schematic
6.1 Main Board
715G2186-1
+5V |
SOT-223 |
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+3V3 |
||||
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3 |
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U701 |
2 |
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VI |
VO |
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C701 |
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GND |
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C703 |
+ |
C704 |
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0.1uF |
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NC |
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NC |
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NC |
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1 |
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+12V |
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+12V |
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+5V |
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2 |
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+5V |
3,4 |
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L702 |
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120 OHM |
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CN701 |
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GND |
1 |
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1 |
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GND |
3 |
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5 |
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GND |
7 |
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C706 |
C707 |
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9 |
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+ |
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GND |
11 |
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0.1uF |
NC |
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C709 |
+ |
C710 |
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CONN |
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0.1uF |
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100uF/25V |
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+3V3 |
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+5V |
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R714 |
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R716 |
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R717 |
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10K 1/10W |
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NC |
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10K 1/10W |
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R725 |
4.7K 1/10W |
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4 on_Panel |
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C718 |
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NC |
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AOC 2210S
|
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+5V |
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VCTRL 4 |
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3,4 |
+5V |
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R702 |
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51 1/10W |
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D704 |
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TO-263 |
VCC3.3 |
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C702 |
VCC1.8 |
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SR24 |
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4.7uF/50V + |
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VCC1.8 4 |
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U702 |
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3 |
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2 |
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D701 |
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VIN |
VOUT |
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VCC3.3 |
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4 |
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1 |
ADJ |
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+ C712 |
C714 |
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GS1D |
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AIC1084-33PM |
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C713 |
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100uF/25V |
0.1uF |
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Q702 |
R703 |
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0.1uF |
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PZT2907A |
2K 1/10W |
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D702 |
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LL4148 |
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+5V |
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Reservation schematic- |
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R701 |
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R704 |
VCC3.3 |
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100 1/10W |
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for blacklight off |
have |
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1K 1/10W |
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panel on solution. |
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VCC3.3 |
4 |
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2 |
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R705 |
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R706 |
NC |
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4.7K 1/10W |
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4 |
BL_ADJ |
15KR7091/10W |
+5V |
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6 |
+12V |
+ |
R710 |
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NC |
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R713NC |
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8 |
GND |
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C722 |
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C708 |
Q701 |
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R707 |
Adj_BACKLIGHT 4 |
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10 |
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22uF/50V |
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NC |
PMBS3904 |
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4.7K 1/10W |
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12 |
GND |
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R708 |
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+5V |
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10K 1/10W |
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R711 |
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Q703 |
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R712 |
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10K 1/10W |
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C711 |
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on_BACKLIGHT 4 |
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PMBS3904 |
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4.7K 1/10W |
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+3V3 |
0.1uF |
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VLCD |
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VLCD |
5 |
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R715 |
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+5V |
+3V3 |
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NC |
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R723 |
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Q704 |
R722 |
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AO3401 |
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10K 1/10W |
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C719 |
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R721 |
NC |
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0 1/10W |
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Q706 |
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NC |
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C715 |
0.1uF |
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Title |
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PMBS3906 |
C717 |
+ |
10K 1/10W |
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POWER |
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Q705 |
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R727 |
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100uF/25V |
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Size |
Document Number |
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Rev |
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0.022uF |
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Custom |
715G2186-1 |
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B |
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Date: |
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Thursday , October 12, 2006 |
Sheet |
2 |
of |
5 |
17