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Acer V203W

Service Guide

Содержание V203W

Страница 1: ...1 Acer V203W Service Guide...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar 20 2008 Initial Release TA7ANCD8W7AYNN...

Страница 3: ...uyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the soft...

Страница 4: ...rference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interfer...

Страница 5: ...se of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload...

Страница 6: ...tware Flow chart 16 Main Board Layout 18 Installation 19 Attaching Removing the base 20 Chapter 2 Operating Instructions 21 External Controls 21 Front Panel Controls 21 eColor Management OSD 22 How to...

Страница 7: ...est LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparin...

Страница 8: ...er user mode which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Picture position and size Factory preset value Viewing angle 90 H and V AC Supply vol...

Страница 9: ...680 x 1050 60Hz ON Mode 49W EPA ENERGY STAR OFF Mode 1W Contrast control Set to The value under user mode which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distin...

Страница 10: ...LCD Module M201EW02 The display supports the WSXGA 1680 H x 1050 V screen format and 16 7M colors RGB 6 bits Hi RFC data All input signals are 2 Channel LVDS interface compatible This module does not...

Страница 11: ...11 Electrical Characteristics TFT LCD Module Power Specification Backlight Unit...

Страница 12: ...12 Optical Specifications...

Страница 13: ...P 40 000 800x600 72Hz 1040 x 666 48 077 P 72 188 P 50 000 SVGA 800x600 75Hz 1056x625 46 875 P 75 000 P 49 500 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 70Hz 1328x806 56 476 N 70 069 N...

Страница 14: ...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 Inverter Board i...

Страница 15: ...15 Main Board Diagram Scalar IC NT68625HMFG 128 JS Include MCU ADC OSD U401 D Sub Connector CN403 H sync V sync RGB LCD Interface CN101 Key Board Control CN701 Crystal X401 12MHz...

Страница 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...

Страница 17: ...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...

Страница 18: ...Layout Symbol Description Symbol Description U402 AZ431AN A E1 CN701 WAFER 6PIN U401 NT68625HMFG 128 JS CN702 WAFER 9P RIGHT ANELE PITCH U702 AP1117E33LA CN403 D SUB 15PIN CN101 CONNECTOR X401 NXS12...

Страница 19: ...off B Connect the VGA video cable to the computer 2 Connect the power cord Connect the power cord to the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the m...

Страница 20: ...se Attaching Align the release button on the bottom of the monitor with the corresponding slots on the bottom of the base Removing Press the release button as indicated then pull in the direction of t...

Страница 21: ...or off 3 4 Press or to navigate to the desired function press Enter to select the function Press or to change the settings of the current function 5 Menu Enter Activate the OSD menu when the OSD is o...

Страница 22: ...22 eColor Management OSD...

Страница 23: ...23 How to Adjust a Setting...

Страница 24: ...24 Adjusting the picture...

Страница 25: ...25...

Страница 26: ...ot Supported When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message This message will be flying Cable Not Connected Analog Only Model When th...

Страница 27: ...ere is no video input signal present When there is no video input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power su...

Страница 28: ...step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the cover hinge as the following indicator Fig 1 Fig 1 2 Remove the screws as following indicat...

Страница 29: ...29 3 Remove the back cover and bezel Fig 3 Fig 3 4 Remove the lamp connectors and the screw Fig 4 5 Fig 4 Fig 5...

Страница 30: ...30 5 Remove the screws to remove the panel Put attention to the LVDS cable Fig 6 7 Fig 6 Fig 7 6 Remove the screws to remove the main board and power board Fig 8 Fig 8...

Страница 31: ...4 No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal...

Страница 32: ...normal Replace U401 Replace X401 Measure U702 Pin2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U702 OK OK OK OK OK NG NG NG NG Check reset circuit of U401...

Страница 33: ...e is high level X401 oscillate waveform is normal Check CN101 is solder and Q704 Q705 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401...

Страница 34: ...rd OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Chec...

Страница 35: ...olt 120V or 220V Change F901 Check BD901 L901 IC901 Check the voltage of C905 Check bridge retified circuit Check start voltage for the Pin2 of IC901 Change IC901 OK Check the auxiliary voltage is sma...

Страница 36: ...board Check IC801 pin12 12V Change Q805 Q808 or Q810 Check the pin9 10 of IC801 have PWM wave Change Q801 Q804 Q811 Q812 Replace IC801 Check the resonant wave of pin3 pin7 for T801 Check the output of...

Страница 37: ...37 Connector Information The following figure shows the connector locations on the monitor Chapter 5...

Страница 38: ...a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU...

Страница 39: ...39 Part List Above picture show the description of the following component Item Picture Description 1 Base 2 Main Frame 3 Panel...

Страница 40: ...40 4 Power Board 5 Main Board...

Страница 41: ...2 0 047uF C424 HSI 4 Add Zener for ESD 5V move FB403 FB404 FB405 to CN403 R432 100R 1 16W 5 75R 1 16W 5 R440 100R 1 16W 5 R437 1N 50V C420 ZD401 UDZSNP5 6B 1 2 VGA_5V VGA_DET 4 ZD402 UDZSNP5 6B 1 2 B...

Страница 42: ...T2M CN101 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LCD VDD T4P C716 1uF 10V T6P 4 C715 22uF 16V T7P T2P LVDS OUTPUT T5M 4 TCLK2P T3M 4 C717 0 1uF 16V TCLK2...

Страница 43: ...5V VGA_5V DVDD U401 NT68625HMFG 39 46 47 50 51 52 53 54 40 48 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 6 7 8 9 11 12 69 70 71 72 78 79 111 1 2 3 4 5 10 13 14 16 15 41 42 4...

Страница 44: ...R707 100R 1 16W 5 C703 100uF 25V VOLUME 4 PWR_KEY 4 C701 0 1uF 16V BL_DIM 4 C712 0 1uF 16V C707 NC Q703 PMBS3906 C708 NC R702 10K 1 16W 5 C711 0 1uF 16V Q701 PMBS3904 FB702 120OHM 1 2 U701 NC 1 2 3 AD...

Страница 45: ...45 Power board...

Страница 46: ...46...

Страница 47: ...POWER_Key C002 NC LED001 LED 3 4 1 2 MENU 0 V C001 NC POWER_Key LBADC2 VOL LBADC2 C003 NC MENU CONNECTOR GND VOL C004 NC AUTO R003 1K 1 16W 5 LED_BLUE LED_BLUE R002 2K OHM 1 16W add ZD001 and ZD002 f...

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