Service Manual ASUS VW223 Revision List Version Date Revision History Customer Model TPV Model Name TC8MRGNTWAUSAZ TC8MRGNTWAUSAZND TC8MRGNDWAUAAZ TC8MRGNKWAUSANN VW223T TC8MRGNBWAUS8NN TC8MRGNBWAUSANN TC8MRGNCWAUSDZN TC8MRGNKWAUSAN2 TC8MRLNDWAUSAZN TC8MRLDBWAUSNNN TC8MRLNTWAUBAZ Aug-20-2008 Initial release VW223B TC8MRLDCWAUANNN TC8MRLDKWAUANNN TC8MRGNTWAUAAZ2 TC8MRGNTWAUAAZ VW223S TC8MRGNTWAUAAZND TC8MRGNBWAUANNN VW223N TC8MRGNBWAUANNN...
Service Manual ASUS VW223 Important Safety Notice 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.
Service Manual ASUS VW223 1. Monitor Specification Item Specification Unit Active Area 473.76 (H) x 296.1 (V) (22” wide diagonal) Driver Element a-si TFT Active Matrix Pixel Number 1680 x R.G.B. x 1050 pixel Pixel Pitch 0.282 (H) x 0.282 (V)
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Service Manual ASUS VW223 Electrical Specifications Item Description Input System RGB Separate Signal Level Analog RGB (0.7V ) / Digital (DVI) / USB 2.0 Input Impedance Analog RGB =75Ω / Digital (DVI)=100Ω Signal Level Analog RGB Separate Sync: TTL Graphic Signal Compliant Timing See Appendix 1.
Service Manual ASUS VW223 2. Operation Instructions 2.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor (See Figure ). By changing these settings, the picture can be adjusted to your personal preferences.
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Service Manual ASUS VW223 2.2.2 Attaching the Cables...
Service Manual ASUS VW223 3. Input/Output Specification 3.1 Input Signal Connector D-Sub mini 15pin Connector Pin Number 15-Pin Side of the Signal Cable Red video input Green video input Blue video input Ground Red video ground Green video ground Blue video ground...
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Service Manual ASUS VW223 DVI-D 24pin Connector Pin No. Signal Name Pin No. Signal Name Pin No. Signal Name TMDS Data 2- T.M.D.S Data 1- T.M.D.S Data 0- TMDS Data 2+ T.M.D.S Data 1+ TMDS Data 0+ T.M.D.S Data 0 T.M.D.S Data 2 Ground...
3.3. Panel Specification 3.3.1 General Features The VW223 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 1680Χ1050 WSΧGA (16:10 wide screen) mode and displays up to 16.7 millions colors.
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Service Manual ASUS VW223 3.3.3 Optical Characteristics Test Conditions and Measurement Procedures Note (1) Luminance , Chromaticity and CCT Measurement Measurement System Setup: The LCD module should be stabilized at given temperature for 20 minutes to avoid abrupt temperature change during measuring. In order to stabilize the luminance, the measurement should be executed after lighting Backlight for 20 minutes in a windless room.
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Service Manual ASUS VW223 The position of measuring area corner: X=10.0mm ; Y=10.0mm Luminance of center point: L=L(1) Brightness Uniformity Measurement points: Thirteen specified points 1-13 Formula: Maximum [L (1), L (2), L (3), L (4), L (5), L (6), L (7), L (8), L (9), L (10), L (11), L...
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Service Manual ASUS VW223 3.3.4 Electrical Characteristics TFT LCD Module...
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Service Manual ASUS VW223 Backlight Unit...
Service Manual ASUS VW223 7. Disassembly & Assembly 7.1. Procaution Please read the precautions as follows to prevent any damages to the LCD Monitor and also select the appropriate tools for disassembly and re- assembly。 Make sure all power connection is removed. Be sure that the LCD Monitor is in power off status。...
Information in this section is to perform the disassembly procedure of the LCD monitor. Depending on the failures, replace the defective parts accordingly。 Asus VW223 LCD Monitor consists of various subsystems. This section describes the procedures for LCD monitor disassembly. In addition, the detailed disassembly procedures of individual subsystem will be provided for your service needs。...
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Service Manual ASUS VW223 7.3.1 Stand Subsystem 1. Remove Seat Assy 2. Use a spacer screwdriver to loose 2 Screws on Stand Cover 3. Loose and remove 2 screws on the Hinge then remove Hinge Cover 7.3.2. Bezel Subsystem Rear Cover...
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Service Manual ASUS VW223 2. Use Disassembly tool to open Front Bezel cover and avoid scratch 3. Disconnect Front Bezel 4. lift to dismount Rear Cover 5. Pull out Key Board on the Front Bezel...
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Service Manual ASUS VW223 6. Remove LVDS Cable Connect Main Board with Key Board 7. Loose and remove 2 Screws and pull out Speaker Cable 7.3.3 Main Subsystem Main Shielding...
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Service Manual ASUS VW223 7.3.3 Main Subsystem 2. Disconnect Lamp Wires with 4 3. Pull out FFC Cable from OSD Board 4. Remove the PCBA Cover from the PANEL...
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Service Manual ASUS VW223 5. Loose and remove 4 Screws from Main Shielding 6. Remove Main Board from Cover AD Power Board 1.Disconnect Mylar from Power Board...
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Service Manual ASUS VW223 2. Loose and Remove 4 Screws from Power Board 3. Pull out Power Board from Cover AD 4. Turn over the Main Board and disconnect Key Board Cable and Main BD_Power BD Cable...
Information in this section is to perform the assembly procedure of the LCD monitor. ASUS VW161 LCD monitor consists of various subsystems. This section describes the procedures for LCD monitor assembly. In addition, the detailed assembly procedures of individual modules will be provided for your service needs.
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Service Manual ASUS VW223 Power Board 1. Assemble Power Board on the Cover AD 2. Tighten 4 Screws on Power Board Main Board 1. Connect FFC Cable with Main Board...
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Service Manual ASUS VW223 2. Assemble Main Board on the Cover AD 3. Connect Main Board and Power BD Cable with Cover AD Power Board 1. Tighten 4 Screws on Power Board...
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Service Manual ASUS VW223 2. Paste Mylar to fasten on the Power Board 3. Tighten Main Board Screws 4. Secure DVI Screws Cover AD Assy 1. Assemble the Cover AD Assy with LCD Panel...
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Service Manual ASUS VW223 2. Paste Conductive Tape and Connect Lamp Wires 3. Plug FFC Cable Rear Cover 1. Assemble Front Bezel...
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Service Manual ASUS VW223 2. Assemble Rear Cover and press down along sides to lock latches 7.4.3 Stand Subsystem 1. Tighten Rear Cover Screws 2. Mount 2 Screws...
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Service Manual ASUS VW223 3. Mount Seat Assy under Stand...
Service Manual ASUS VW223 8. Maintainability 8.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual. 8.2 Trouble Shooting 8.2.1 Main Board...
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Service Manual ASUS VW223 No Picture No picture Check the signal cable Change the signal cable Measure U8 PIN2=3.3V U9 PIN2=1.8V Replace U8, U9 Measure Y1 oscillate waveform is normal ReplaceY1 Check HS from CN1 Pin8 is normal Check Correspondent...
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Service Manual ASUS VW223 White Screen White screen Measure Q9 base is Y1 oscillate waveform high level? is normal Replace Y1 Check Q3,Q5 is broken or Check reset circuit is CN405 solder? normal Check Correspondent Check Correspondent component. component. Replace MCU...
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Service Manual ASUS VW223 8.2.2 Power Board 1) No power Check AC line volt 110V or 220V Check AC input Check the voltage of CK1 Check bridge rectified circuit and FS1 circuit Check start voltage for the pin5 of U1...
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Service Manual ASUS VW223 2.) No Backlight Check ON/OFF signal Check Interface or main board Check U52 PIN10=24V Change on/off circuit Check U52 PIN8/9 have triangle wave Change U52 Check U801 PIN9/10 PWM wave Check U52 Check Q56 Drain wave...
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Service Manual ASUS VW223 8.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally? Connect Keypad Board Is Button Switch normally? Replace Button Switch Replace Keypad Board Is Keypad board normally? Check main board...
Service Manual ASUS VW223 9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM .Channel setting A. Reference to chroma 7120 user guide B. Use “SC” key and “NEXT” key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust 2.
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Service Manual ASUS VW223 5. Adjust the GREEN on factory window until chroma 7120 indicator reached the value G=100 6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100 7. Repeat above procedure (item 4, 5, 6) until chroma 7120 RGB value meet the tolerance =100±2 C.
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Service Manual ASUS VW223 095G8018 5N00 WIRE HARNESS 5P-5P/32-D024359 N40G0001680 4A S/N LABEL FOR WARRANTY CARD- 77-D025155 Q45G 76 28 RN PE BAG MANUAL Q45G 76 28V13 pe bag 052G 1186 SMALL TAPE 040G 582680 3A PALLET LABEL 089G414A18NISC POWER CORD 32E1818021...
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CARTON- 78-D023841 N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 2A eu warranty card non zbd N85G0030 1 Cover AD,41-D024344 N52G 1211003 Conductive Tape 50mm *24mm *0.06mm...
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Service Manual ASUS VW223 0Q1G 130 8120 SCREW 42A9930011 N12G6300002 RUBBER 40A1769201 N34G0136 ZK 1A CM STAND_FRONT 40-D023886 N34G0137 ZK 1A CM STAND_BACK 40-D023881 0Q1G 140 10120 SCREW N37G0026 1 HINGE N33G0060 ZK 1A CABLETIDY 40-D023883 0Q1G1830 8120 SCREW(3X8) 42A9230001...
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Service Manual ASUS VW223 095G8018 5N00 WIRE HARNESS 5P-5P/32-D024359 N40G0001680 4A S/N LABEL FOR WARRANTY CARD- 77-D025155 Q45G 76 28 RN PE BAG MANUAL Q45G 76 28V13 pe bag 052G 1186 SMALL TAPE 089G404A18N IS POWER CORD 32E1818018 089G404A18NISC POWER CORD 32E1818018...
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CARTON- 78-D023841 N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 3A us warranty card non zbd N85G0030 1 Cover AD,41-D024344 N52G 1211003 Conductive Tape 50mm *24mm *0.06mm...
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Service Manual ASUS VW223 089G 728HAA DB D-SUB CABLE N52G 1211007 HB Conductive Tape 320mm *15mm *0.06mm N52G 1211003 HB Conductive Tape 50mm *24mm *0.06mm N52G 1211001 HB Conductive Tape 155mm *15mm *0.06mm KEPC8QU6 KEY BOARD 35-D023724 089G 175523 G USB CABLE 1.8M...
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Service Manual ASUS VW223 089G 728HAA DB D-SUB CABLE Main source 089G420A18N IS POWER CORD 32-D001922 N40G0001680 1A TAIWAN LABEL- 77-D023834 N40G0001680 6A CARTON LABEL N40G0001968 2A S/N LABEL 7741513161 N40G0001680 3A S/N LABEL- 7741519181 052G 1185 49 ASUS TAPE 73-D024084...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 4A tw warranty card zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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Service Manual ASUS VW223 017G MBN3SUSIC000 MB 35-D024659/BIOS 22R00101/004080407 N85G0031 1 COVER AD 41-D023955 040G 582680 3A PALLET LABEL 22Z5LR0004-20080407,CHECKSUM 0XAA BIOS22R00101 0XC0 EDIDASU22A002 CHECKSUM,0X0F 089G 728HAA DB D-SUB CABLE 078G 516N00 D SPK 8OHM 1W 80*17*10 078G 477N00 Y .PK 8OHM 1W 54X17mm...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 4A tw warranty card zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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N44GC015ASU 1B Shipping Draw- 79-D024086 N50G 600 1 W White strap N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 1A CHINA WARRANTY CARD ZBD N40G0001680 4A S/N LABEL FOR WARRANTY CARD- 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 2A eu warranty card non zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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Service Manual ASUS VW223 KEPC8QU6 KEY BOARD 35-D023724 22Z5LR0004-20080407,CHECKSUM 0XAA BIOS22R00101 0XC0 Main source N52G 1VSC006 HB Conductive Tape 60mm *24mm *0.06mm N45G 88609001 DS PE BAG N34G0135 ZK 1B CM SEAT N15G0031 1 SEAT-PLATE 41-D023879 0Q1G 130 8120 SCREW 42A9930011...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 2A eu warranty card non zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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N44G9003178 Corner paper- 7841599161/78-D004864 N44G6002114 98 PAPER BOARD 78-D024083 N44GC015680 1B CARTON- 78-D023841 N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 2A eu warranty card non zbd...
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Service Manual ASUS VW223 S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL Q45G 76 28V13 pe bag 040G 58160811A GREEN DOT LABEL N40G000268010A WARRANTY LABEL 052G 1186 SMALL TAPE 040G 582680 3A PALLET LABEL...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 2A eu warranty card non zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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Service Manual ASUS VW223 N34G0175 ZK 1B CM REAR 40-D023876 N40G0002680 6A VW223D POP LABEL N40G0002680 9A TRY ME LABEL Main source N52G 1211007 HB Conductive Tape 320mm *15mm *0.06mm Main source N52G 1211001 HB Conductive Tape 155mm *15mm *0.06mm...
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N44GC015ASU 1B Shipping Draw- 79-D024086 050G 600 1 W WHITE STRAP N07G0006 1 PALLET- 78-D020542 N41G7800680 7B QSG FOR VW223 N41G780P680 4A tw warranty card zbd S/N LABEL FOR WARRANTY CARD- N40G0001680 4A 77-D025155 Q45G 76 28 RN PE BAG MANUAL...
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Service Manual ASUS VW223 089G404A18N YH POWER CORD(32E1818018/32-D022217) 089G404A18N IS POWER CORD /32E1818018 N40G 22N68012A SAFETY LABEL N40G0001680 7A CARTON LABEL FOR SKD N41G780P680 2A eu warranty card non zbd 089G404A18NISC POWER CORD 32E1818018 N52G 1VSC009 MY TAPE N44G6000 1 2A...
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