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Содержание V203H

Страница 1: ...1 Acer V203H Service Guide h t t p w w w w j e l n e t ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model TARSNDD8WDAYAN A00 Sep 22 2008 Initial Release TARSNDD8WDAYNN h t t p w w w w j e l n e t ...

Страница 3: ...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 software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of their respectiv...

Страница 4: ... 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 interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can...

Страница 5: ...unded 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 power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric shock Never sp...

Страница 6: ...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 Adjust a Setting 23 How To Optimize The DOS Mode 26 Chapter 3 Machine Disassembly 27 Chapter 4 Troubleshooting 31 Chapter 5 Connector Information 37 Chapter 6 FRU Field Replacement Unit List 38 Exploded Diagram 38 Chapter 7 ...

Страница 7: ... 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 comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of V203H Panel LTM200KT01 SEC KR Signal Interface D Sub 15pin Sync Type Separate Compatible Color Temp ...

Страница 8: ...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 voltage 220V 5 50 3Hz Ambient temperature 20 5 Humidity 50 10 Display mode 1600 x 900 60 Hz all white e color mode Set to User mode Measurement systems The units of measure stated in this document are listed below 1 gamma 1 nano ...

Страница 9: ...60Hz ON Mode 48W EPA ENERGY STAR OFF Mode 1W Contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power Source 100 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Peak surge current 55A peak at 240 VAC ...

Страница 10: ...10 LCD Panel Specification General Specifications Block Diagram TFT LCD Module h t t p w w w w j e l n e t ...

Страница 11: ...11 Back light Unit Electrical Characteristics h t t p w w w w j e l n e t ...

Страница 12: ...12 Optical Specifications h t t p w w w w j e l n e t ...

Страница 13: ...13 Support Timing h t t p w w w w j e l n e t ...

Страница 14: ...ll 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 V203H Audio board Inverter Board include adapter Flat Panel and CCFL backlight Main Board Key board D SUB Signal CCFL Drive AC IN 100V 240V Inverte...

Страница 15: ...0A 100SCE U402 Panel Interface CN301 Crystal 12MHz X401 Keypad Interface CN402 Scalar IC NT68667FG Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 D Data D Clock EEPROM M24C16 U403 h t t p w w w w j e l n e t ...

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 h t t p w w w w j e l n e t ...

Страница 17: ...en 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 disappears 17 Program the scalar to be able to ...

Страница 18: ...03 WAFER EH 4 U703 IC AP1117D33L 13 TO252 3L DIODES CN701 WAFER 9P RIGHT ANELE PITCH U103 IC AZC099 04S SOT23 6L CN301 CONNECTOR U104 IC AZC099 04S SOT23 6L X401 CRYSTAL 12MHZ HC 49US ARG6 120 U402 IC PM25LV010A 100SCE SOIC 8 CN101 D SUB 15PIN U403 M24C16 WMN6TP h t t p w w w w j e l n e t ...

Страница 19: ...19 Installation To install the monitor on your host system please follow the steps below Steps h t t p w w w w j e l n e t ...

Страница 20: ...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 the arrow to remove the base h t t p w w w w j e l n e t ...

Страница 21: ... 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 position The power indicator will light up External Controls Chapter 2 h t t p w w w w j e l n e t ...

Страница 22: ...22 eColor Management OSD h t t p w w w w j e l n e t ...

Страница 23: ...23 How to Adjust a Setting h t t p w w w w j e l n e t ...

Страница 24: ...24 Adjusting the picture h t t p w w w w j e l n e t ...

Страница 25: ...25 h t t p w w w w j e l n e t ...

Страница 26: ...input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pressing a key on the keyboard or clicking the mo...

Страница 27: ...tep by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the cover hinge as the following indicator 2 Remove the screws as following indicate to release base stand Chapter 3 h t t p w w w w j e l n e t ...

Страница 28: ...28 3 Remove the back cover and bezel h t t p w w w w j e l n e t ...

Страница 29: ...29 4 Remove the lamp connectors and remove the screws to remove the panel Put attention to the LVDS cable 5 Remove the screws to remove the main board and power board h t t p w w w w j e l n e t ...

Страница 30: ...30 FOR THE V203H AUDIO MODLE 6 The panel h t t p w w w w j e l n e t ...

Страница 31: ...r 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 Measure U703 Pin2 3 3V OK OK NG NG NG Check U703 C706 and C707 Replace U401 Replace X401 NG OK h t t p w w w w j e l n e t ...

Страница 32: ... Replace X401 Measure U703 Pin2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Check U703 C706 and C707 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG OK h t t p w w w w j e l n e t ...

Страница 33: ...el X401 oscillate waveform is normal Check CN301is solder and Q302 Q301 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal h t t p w w w w j e l n e t ...

Страница 34: ...table 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 Check Main Board h t t p w w w w j e l n e t ...

Страница 35: ...ltage of C905 Check start voltage for the pin8 of IC901 Check R904 R932 R933 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V NG NG NG Check Q901 IC903 D905 D906 D907 ZD921 ZD922 Check IC901 pin6 PWM wave Check IC901 NG OK NG OK OK OK OK Check AC line volt 110V or 220V Check AC input h t t p w w w w j e l n e t ...

Страница 36: ...nterface board Check IC801 PIN12 12V Change Q808 Check Q802 Q803 PIN5 6 7 8 have the output of square wave at short time Check the output of T801 T802 Change T801 T802 Check connecter lamp OK OK OK NG OK NG NG NG OK NG OK Check the PWM wave from the pin9 10 of IC801 Change IC801 NG h t t p w w w w j e l n e t ...

Страница 37: ...37 Connector Information Chapter 5 h t t p w w w w j e l n e t ...

Страница 38: ...e 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 list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or to return the defective parts you ...

Страница 39: ...S3 SCREW 7 STAND S4 SCREW 42A9940008 8 BASE 8ACER S1 S5 SCREW 9 BUTTON BASE S6 SCREW 42 D020523 V203H 1 BEZEL L201WA 8ACER1 S1 10 COVER HINGE 2 POWER LENS 11 HINGE 3 KEY BUTTON 12 FOOT 4 MAINFRAME S1 SCREW 42 D020523 5 SHIELD S2 SCREW 6 REAR COVER V203H S3 SCREW 7 STAND S4 SCREW 42A9940008 8 BASE 8ACER S1 S5 SCREW 9 BUTTON BASE h t t p w w w w j e l n e t ...

Страница 40: ...40 Part List Above picture show the description of the following component Item Picture Description 1 Main Frame 2 Bezel 3 Panel h t t p w w w w j e l n e t ...

Страница 41: ...41 4 Power Board 5 Main Board 6 Audio Board V203H AUDIO h t t p w w w w j e l n e t ...

Страница 42: ...42 Schematic Diagram Main Board Chapter 7 h t t p w w w w j e l n e t ...

Страница 43: ...43 h t t p w w w w j e l n e t ...

Страница 44: ...44 h t t p w w w w j e l n e t ...

Страница 45: ...45 h t t p w w w w j e l n e t ...

Страница 46: ...46 Power board h t t p w w w w j e l n e t ...

Страница 47: ...47 h t t p w w w w j e l n e t ...

Страница 48: ...48 Audio board for B203H AUDIO h t t p w w w w j e l n e t ...

Страница 49: ... AUTO LED_GRN DC_POWERON GND1 GND EMI 1 G 0 V 2007 5 18 C001 NC MENU C011 NC SW001 SW 1 2 4 3 5 2007 5 18 VOL 2007 5 18 GND AUTO LBADC1 GND C009 NC SW003 SW 1 2 4 3 5 GND LED_GRN C002 NC 2007 5 18 VOL SW004 SW 1 2 4 3 5 2007 5 18 C010 NC VOL GND AUTO SW005 SW 1 2 4 3 5 LBADC2 R004 2K OHM 1 1 10W C005 NC LED_RED ZD005 UDZS5 6B change Net name MENU AUTO AUTO MENU GND MENU R005 1K 1 10W 1 ZD006 UDZS5...

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