Asus VW224S Service Manual Download Page 73

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Service Manual ASUS VW224U&VW224S

11. Trouble Shooting

11.1 Main Board

(1). No Power

No power

Press power key and look if

the picture is normal

Please reinsert and make

sure the AC of 100-240 is

Reinsert or check the
Adapter/Inverter section

X401 oscillate waveforms

are normal

Replace U701 or U702

Replace U401

Replace X401

Measure U701 PIN2=1.8V

Measure U702 PIN2=3.3V

Summary of Contents for VW224S

Page 1: ...ATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL ...

Page 2: ...2 Power Supply Requirements 12 3 3 Factory Preset Display Modes 14 4 Block Diagram 15 5 Schematic Diagram 20 5 1 Main Board 20 5 2 Power Board 28 5 3 Audio Board 30 5 4 Key Board 31 6 PCB Layout 32 6 1 Main Board 32 6 2 Power Board 35 6 3 Audio Board 38 6 4 Key Board 38 7 Disassemble Assemble SOP 39 8 ISP Instruction 59 9 DDC Instruction 62 10 Color White Balance Adjustment 71 11 Trouble Shooting ...

Page 3: ...st Version Release Date Revision History Customer Model Vendor Model Name TCR2MPNCWYUSDI A00 Aug 7 2008 Initial release TCR2MPNTWYUSDI TCR2MPNBWYUSDI A01 Oct 30 2008 Add new BOM VW224U TCR2MPNKWYUSDI A02 Jan 5 2009 Add new BOM VW224S TCR2MPNBWYUSAI ...

Page 4: ...ay become wet Place the monitor on a stable surface Unplug the unit during a lightning storm or if it will not be used for a long period of time This will protect the monitor from damage due to power surges Never push objects or spill liquid of any kind into the slots on the monitor cabinet To ensure satisfactory operation use the monitor only with UL listed computers which have appropriate config...

Page 5: ...Service Manual ASUS VW224U VW224S 5 1 Monitor Specifications ...

Page 6: ... on the monitor the power indicator will light up 2 2 Control Button VW224U 1 button Automatically adjust the image to its optimized position clock and phase by long pressing this button for 4 seconds for VGA mode only Use this hotkey to switch from five video preset modes Game Mode Night View Mode Scenery Mode Standard Mode Theater Mode with SPLENDID Video Enhancement Technology Exit the OSD menu...

Page 7: ...onitor on off 7 Power indicator The color definition of the power indicator is as the below table VW224S 1 button Use this hotkey to switch from five video preset modes Game Mode Night View Mode Scenery Mode Standard Mode Theater Mode with SPLENDID Video Enhancement Technology Exit the OSD menu or go back to the previous menu as the OSD menu is active 2 Button Press this button to decrease the val...

Page 8: ...ous fuction This is also a hotkey for Brightness adjustment 5 button Automatically adjust the image to its optimized position clock and phase by long pressing this button for VGA mode only 6 Power button Press this button to turn the monitor on off 7 Power indicator The color definition of the power indicator is as the below table ...

Page 9: ...Service Manual ASUS VW224U VW224S 9 2 3 OSD Menu ...

Page 10: ...Service Manual ASUS VW224U VW224S 10 ...

Page 11: ...Service Manual ASUS VW224U VW224S 11 ...

Page 12: ... DDC Serial Data 5 DDC Return 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 DDC Serial Clock 8 Blue Ground VGA connector layout DVI connectors VW224S not available Pin No Description Pin No Description Pin No Description 1 RX2 9 R X1 17 RX0 2 RX2 10 RX1 18 RX0 3 RX2 Shield 11 RX1 Shield 19 RX0 Shield 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC Clock 14 5V Power 22 RX Clock Shield 7 DDC Data 15 Gr...

Page 13: ... 3Hz Input Voltage transients 90 264 voltage AC for 10 sec 40 Current 1 5A max at 100V 0 8A max at 240 V Peak surge current 60A peak at 240 VAC and cold starting 30A peak at 120VAC and cold starting Leakage current 3 5mA Power line surge No advance effects no loss of information or defect with a maximum of 1 half wave missing per second ...

Page 14: ...Service Manual ASUS VW224U VW224S 14 3 3 Factory Preset Display Modes ...

Page 15: ...Service Manual ASUS VW224U VW224S 15 4 Block Diagram 4 1 Software Flow Chat 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 ...

Page 16: ... 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 disappears 17 Program...

Page 17: ...ory PM25LV010A U402 Panel Interface CN407 Crystal 14 31818MHZ X401 Keypad Interface CN403 Scalar TSUMO5RCWHQ LF Include MCU ADC OSD U401 EEPROM M24C02 U404 H sync V sync RGB SCL_VGA SDA_VGA DVI Connector CN406 EEPROM M24C02 U405 D Data D Clock SCL_DVI SDA_DVI EEPROM M24C16 U403 D Sub Connector CN405 ...

Page 18: ...4S Flash Memory PM25LV010A U402 Panel Interface CN407 Crystal 14 31818MHZ X401 Keypad Interface CN403 Scalar TSUMU5RBWHQ LF Include MCU ADC OSD U401 EEPROM M24C02 U404 H sync V sync RGB SCL_VGA SDA_VGA EEPROM M24C16 U403 D Sub Connector CN405 ...

Page 19: ...DIM EMI filter Start Circuit R904 R932 R933 PWM Control IC Transformer AC input 12V ON OFF Control Feedback Circuit Transformer MOSFET Lamp ON OFF 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes CN902 Output Circuit PWM Control IC IC801 Over Voltage ...

Page 20: ...703 MMBT3904 U702 AP1117E33LA 2 3 1 4 OUT IN GND 4 5V 3 4 5 C712 100uF 16V C704 0 1uF 16V VCC3 3 C709 0 1uF 16V R701 NC VCC3 3 4 U701 3 2 1 VI VO GND TCR2MPNCWYUSDI 1 VW224 B 2 5 Thursday January 10 2008 715G2670 1 2 称爹 2 POWER G2670 1 2 X 2 080110 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 VCC1 8 4 R702 3 3 OHM 2W on_BACKLIG...

Page 21: ... 1 10W 5 C436 0 047uF TCR2MPNCWYUSDI 1 VW224 Custom 3 5 Thursday January 10 2008 715G2670 1 2 称爹 3 INPUT G2670 1 2 X 2 080110 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 5V 5V C453 0 1uF 16V HPD C443 220pF 50V R463 10R 1 16W 5 C435 1000pF DCLK R470 1K 1 16W 5 R441 100R 1 16W 5 R455 100R 1 16W 5 R444 4K7 1 16W 5 DDCD_SDA 4 D416...

Page 22: ...7 116 115 106 114 108 RIN0P GIN0P SOGIN0 BIN0P RIN0M GIN0M BIN0M HSYNC0 VSYNC0 REXT REFP REFM SDO SCK CSZ SDI GPIO_P24 PWM2 LLV6P BA3N XIN XOUT LLV5N GA1P LLV5P GA1N LLV4N GA2P LLV4P GA2N LLV3N GA3P LLV3P GA3N LLV1N RA2P LLV1P RA2N LLV0N RA3P LLV0P RA3N RLV6N CLKAP RLV6P CLKAN RLV5N CLKBP RLV5P CLKBN RLV4N BB1P RLV4P BB1N LLV6N BA3P NC BA2N NC BA2P GND GND B B G G AVDD_33 R R CK CK GND GND GND VDD...

Page 23: ...10K 1 16W 5 STB FB0N BG1N GPO4 C463 1uF 10V FCKN BG0N BB2N PB10 FG0N CKV PB14 TCR2MPNCWYUSDI 1 VW224 B 5 5 Thursday January 10 2008 715G2670 1 2 称爹 5 PANEL INTERFACE G2670 1 2 X 2 080110 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 FG0P FG1P STV Q412 AM2321P BR1N STV BG0P CKV R495 51K OHM 1 16W GVOFF BR1P R491 390R 1 8W FB2P BG...

Page 24: ...op Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 VCC3 3 5V U701 3 2 1 VI VO GND C713 0 1uF 16V AUDIO_MUTE 4 C712 100uF 16V C704 0 1uF 16V 5V 3 4 5 C703 100uF 16V 5V VOLUME 4 5V 5V 3 4 5 VCC1 8 BL_ON U702 AP1117E33LA 2 3 1 4 OUT IN GND 4 C701 0 1uF 16V R711 10K 1 16W 5 Q703 MMBT3904 BL_ON VCC3 3 VCC3 3 4 C711 0 1uF 16V GND R708 10K 1 16W 5 Zener Diode D701 Resistor R702 R701 NC C714 0 1uF 16V ...

Page 25: ...4 NC 10R 1 16W 5 R436 56 OHM 1 16W C435 1000pF HSI HPD D406 RLZ5 6B 5V G 4 DDCA_SCL 4 R 4 R438 75R 1 16W 5 R445 1K 1 16W 5 GNDR 4 ESD_5V R442 100R 1 16W 5 C446 NC 0 1uF 16V C434 0 047uF D412 RLZ5 6B D415 NC UDZSNP5 6B R470 NC 1K 1 16W 5 DAT2 SCL_VGA FB412 0R05 1 10W 5 DAT2 DET_DVI C439 0 1uF 16V SDA_VGA RED C443 220pF 50V C451 NC 0 1uF 16V CLK 4 5V R447 1K 1 16W 5 DDC_WP 4 DDCD_SCL 4 R481 NC C453 ...

Page 26: ...1 5 VCC3 3 PA 14 19 GNDB 3 5V FB403 BEAD 120 OHM C409 0 1uF 16V TSUMU5RBWHQ LF 28 25 26 23 27 24 22 32 33 7 31 30 41 43 42 44 48 74 128 127 77 78 79 80 81 82 85 86 87 88 90 91 92 93 94 95 73 72 71 1 11 9 10 12 13 8 15 16 18 19 17 29 49 110 67 34 109 119 35 36 5 6 14 112 37 68 120 121 122 124 125 38 39 117 3 4 50 76 64 65 63 66 75 70 69 102 118 126 62 20 84 83 123 2 46 47 45 21 111 89 51 40 61 60 5...

Page 27: ...E FG1P BG2P OE FG2N PB2 PA 14 19 BR0P BCKP POL PA17 Q411 MMBT3906 BG1P FCKP BR2N BB0N PA 8 13 BR2N BB1N PA14 STV1 1 C461 100uF 16V PA8 BR1P FR2N R494 10K 1 16W 5 VCM_PWM1 1 BG0P VCM_PWM 4 PA7 FSTH1 1 Q412 AM2321P PB 18 23 4 BG0P BB1P STB1 1 PA19 FG0P FG2P FCKN FB421 120 OHM 1 2 CKV1 1 FG2P FR2N BG2P VCM_PWM BCKN C462 0 1uF 16V PA 2 7 FR0P FSTH FR2P BG1N FB2P PB19 PB22 FB0N BG2N FR0N BB0P PB 6 11 P...

Page 28: ...03 510K 1 4W C906 1500pF 2KV R935 100 1 4W L901 26mH 1 4 2 3 5V C917 680uF25V 12V ZD901 NC 1 2 R927 3 6K 1 1 10W R933 4K7 1 4W 5V R912 22K 1 1 8W Q901 STP10NK70ZFP D916 LL4148WP T901 POWER X FMR 4 7 9 5 6 4 6 11 10 8 12 1 3 D907 NC IC901 TEA1530AT 1 2 3 4 5 6 7 8 Vcc GND PROTECT CTRL SENSE DRIVER HVS DRAIN R905 NC C904 0 22uF 275V R922 1K 1 4W L904 1 1uH ZD922 RLZ5 1B 1 2 VCC t NR901 NTCR C912 0 0...

Page 29: ...ND C1 E1 E2 C2 VCC CONT VREF IN2 IN2 C824 0 1uF F801 0R05 1 4W R822 1K 1 10W 1 R828 10K 1 10W R832 10K 1 10W R839 0 1 8W CN801 CONN 1 2 R850 0 1 8W Q804 PMBS3906 1 2 3 R806 68K 1 1 10W Q802 P5506 1 2 3 4 8 7 6 5 S G S G D D D D R827 0 1 10W C823 0 0022uF Q801 PMBS3904 Q811 PMBS3904 C834 0 1uF 25V C811 10pF 6KV DIM CN803 CONN 1 2 R809 1K 1 10W 1 C825 0 1uF 25V R805 NC D814 LL4148WP C842 0 01uF R853...

Page 30: ...05 0 47UF25V GND GND GND GND R607 20K OHM CN602 CONN 1 2 3 4 5 6 7 8 9 10 11 12 C607 0 47UF25V GND GND R606 C601 0 47UF25V NC GND C604 100uF 16V R602 10K OHM GND R604 10K OHM VOL FB601 BEAD 1 2 C610 0 001uF GND MUTE NC C602 0 47UF25V NC CN604 NC 1 2 3 C603 0 47UF25V R605 10K OHM C609 1uF50V 1 CN601 PHONEJACK 1 2 3 5 4 AUPC8QU3 1 ASUS VW224 A4 2 2 Monday July 07 2008 715G2837 1 2 称爹 01 AUDIO G2837 ...

Page 31: ...C7QU1 E ASUS VW224 A 2 2 Thursday January 03 2008 G2900 E 备注 01 KEYBOARD G2900 E x x 1 080102 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 Power SW002 SW 1 2 3 4 C005 0 1uF GND GND R004 2K OHM 1 1 10W R003 1K 1 10W 1 SW004 SW 1 2 3 4 POWER KEY C002 0 1uF Right SW003 SW 1 2 3 4 C001 0 1uF GND R005 0R05 1 10W 5 GND SW001 SW 1 2 3...

Page 32: ...Service Manual ASUS VW224U VW224S 32 6 PCB Layout 6 1 Main Board 715G2670 1 2 ...

Page 33: ...Service Manual ASUS VW224U VW224S 33 ...

Page 34: ...Service Manual ASUS VW224U VW224S 34 ...

Page 35: ...Service Manual ASUS VW224U VW224S 35 6 2 Power Board 715G2538 1 ACE ...

Page 36: ...Service Manual ASUS VW224U VW224S 36 ...

Page 37: ...Service Manual ASUS VW224U VW224S 37 ...

Page 38: ...Service Manual ASUS VW224U VW224S 38 6 3 Audio Board 715G2837 1 2 6 4 Key Board 715G2900 1 ...

Page 39: ...the LCD Monitor is in power off status Prepare soft cloth and sponge as working platform to place LCD monitor horizontally Hold LCD by the side carefully and DON T touch or press panel directly Remove all rings watches and any other metal objects from your hands which possible to cause scratch Always wear a ground strap or anti static glove to protect the parts from static discharge ESD electro st...

Page 40: ...ad Screwdirver Use a Philips head screwdriver to fasten remove the K or B typed screws P N N A Gloves To protect LCD Panel and your hand P N L N A M N A C D Disassembly Tool Use C D Disassembly Tool to open cosmetic cover and avoid scratch P N N A Spacer Screwdriver Use a spacer screwdriver to fasten remove spacer screws or hex screws P N N A ...

Page 41: ... 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 The disassembly procedure consists of the following steps 3 1 Stand Subsystem 3 2 Main Subsystem 3 3 Bezel Subsystem 7 3 1 Stand Subsystem 1 Unlock the latches under BASE to dismount 2 Use C...

Page 42: ...Service Manual ASUS VW224U VW224S 42 3 Remove 3 screws on the STAND and then remove STAND 4 Remove 3 screws 5 Dismount HINGE ...

Page 43: ...VW224U VW224S 43 7 3 2 Main Subsystem Back Cover 1 Use disassembly tool to open 2 latches at the bottom of BACK COVER as below and then open the other latches along the edge of the BACK COVER 2 Lift to dismount BACK COVER ...

Page 44: ...Service Manual ASUS VW224U VW224S 44 Key Board 1 Move up it a little as following 2 Unlock lelt and right latches to dismount KEY BOARD 3 Disconnect KEY BOARD CABLE ...

Page 45: ...Service Manual ASUS VW224U VW224S 45 Main Shielding 1 Lift to separate the MAIN SHIELDING from BEZEL 2 Disconnect LAMP WIRES 3 Release 4 screws HEAT SINK and pull down the MAIN SHIELDIGN ...

Page 46: ...Service Manual ASUS VW224U VW224S 46 4 Press to release left and right latches of LVDS CABLE and then disconnect it 5 Remove the MAIN SHIELDING away from the LCD PANEL ...

Page 47: ...Service Manual ASUS VW224U VW224S 47 Audio Board 1 Release 2 screws on AUDIO BOARD 2 Remove AUDIO BOARD 3 Disconnect AUDIO CABLE and KEY CABLE ...

Page 48: ...Service Manual ASUS VW224U VW224S 48 Main Borad 1 Release 4 screws 2 Release 1 screw on MAIN BOARD 3 Turn over the MAIN BOARD and disconnect AUDIO BOARD CABLE and MAIN BD_POWER BD CABLE ...

Page 49: ...Service Manual ASUS VW224U VW224S 49 4 Press to disconnect LVDS CABLE Power Board 1 Release 4 screws on POWER BOARD 2 Remove POWRE BOARD ...

Page 50: ...Manual ASUS VW224U VW224S 50 Speaker Module 1 Pull the SPEAKER CABLE out of the hole 2 Remove SPEAKERS 7 3 3 Bezel Subsysytem Dismount KEY PAD Note The disassembly way of VW224S is the the same as the VW224H s ...

Page 51: ...bes the procedures for LCD monitor assembly In addition the detailed assembly procedures of individual modules will be provided for your service needs The assembly procedure consists of the following steps Bezel Subsystem Main Subsystem Stand Subsystem 7 4 1 Bezel Subsystem 1 Assemble the KEY PAD onto the LCD BEZEL 7 4 2 Main Subsystem Speaker Module 1 Install the SPEAKER and spread the SPEAKER CA...

Page 52: ...Service Manual ASUS VW224U VW224S 52 Power Board 1 Assemble POWER BOARD on PANEL FRAME 2 Tighten 4 screws on POWER BOARD ...

Page 53: ...Service Manual ASUS VW224U VW224S 53 Main Board 1 Plug LVDS CABLE 2 Connect AUDIO BOARD CABLE and MAIN BD_POWER BD CABLE with MAIN BOARD 3 Assemble MAIN BOARD then tight 1 screw on them ...

Page 54: ...Service Manual ASUS VW224U VW224S 54 4 Secure 5 srcews Audio Board 1 Connect AUDIO CABLE and KEY CABLE 2 Assemble AUDIO BOARD 3 Thread the AUDIO CABLE through the hole and secure 1 screw ...

Page 55: ...Service Manual ASUS VW224U VW224S 55 Main Shielding 1 Connect the LVDS CABLE 2 Assemble the MAIN SHELDING with LCD PANEL 3 Connect LAMP WIRES ...

Page 56: ...Service Manual ASUS VW224U VW224S 56 Key Board 1 Place PANEL ASSY on the BEZEL 2 Plug the KEY BOARD CABLE 3 Install KEY BOARD 4 Assemble the PANEL ASSY with BEZEL ...

Page 57: ...Service Manual ASUS VW224U VW224S 57 Back Cover 1 Assemble BACK COVER and press down along sides to lock latches Stand Subsystem 1 Install the HINGE 2 Mount 3 screws ...

Page 58: ...Manual ASUS VW224U VW224S 58 3 Mount STAND and then secure 3 screws on STAND 4 Cover STAND COVER and then pull to lock it 5 Mount BASE under STAND Note The assembly way of VW224S is the the same as the VW224H s ...

Page 59: ...r compatible 2 Microsoft operation system Windows 95 98 2000 XP 3 ISP_Tool V4 1 5 program 4 Software ISP SN Alignment kits The kit contents a ISP BOARD x1 b Printer cablex1 c VGA CABLE X1 8 2 Connect the ISP board as follow 8 3 The process of ISP write is as follows Connect to the PC LPT Connect to the ASUS VW224U ...

Page 60: ...Service Manual ASUS VW224U VW224S 60 a Double click running the program as follows b Select sure Click icon search the program ASUS_VW224U_CMOM220Z1_TSUMO5RCWHQ_20080730_V008 and click save ...

Page 61: ...al ASUS VW224U VW224S 61 c Click icon it will show Load Message Loading OK d Click icon then click If it burns successfully it will show as the follow picture Note The burning way of VW224S is the same as VW224H s ...

Page 62: ...to be re programmed Additional information about DDC Display Data Channel may be obtained from Video Electronics Standards Association VESA Extended Display Identification Data EDID information may be also obtained from VESA 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 95 98 2000 XP 3 PORT95NT exe WinDDC_ setup program 4 Software OSD SN Alignment kits The...

Page 63: ...Service Manual ASUS VW224U VW224S 63 9 3 The process of analog DDC write is as follow a Double click appear as follow Figs ...

Page 64: ...4 b Click c Key 14 numbers in the Serial Number blank then click OK Now analog DDC Write completes as follow Note a The way of digital DDC write is the same as analog DDC write b The burning way of VW224S is the the same as the VW224H s ...

Page 65: ...00 FF FF FF FF FF FF 00 x Header x Vendor Product Identification ID Manufacturer Name ACI ID Product Code 22AA ID Serial Number 000386d3 Week of Manufacture 25 Year of Manufacture 2008 x Vendor Product Identification x EDID Structure Version Revision EDID Version 01 EDID Revision 03 x EDID Structure Version Revision x Basic Display Parameters Features Video i p definition Analog Signal Level Stand...

Page 66: ...ESA 832x624 75Hz Apple Mac II 1024x768 60Hz VESA 1024x768 70Hz VESA 1024x768 75Hz VESA 1280x1024 75Hz VESA Established Timings 3 00 x Established Timings x Standard Timing Identification 1152x864 75 1280x960 60 1280x1024 60 1440x900 60 1680x1050 60 1280x800 60 x Standard Timing Identification x Detailed Timing Descriptions Detailed Timing 1680x1050 60Hz x Detailed Timing Descriptions x Detailed Ti...

Page 67: ... FF FF FF FF FF FF 00 x Header x Vendor Product Identification ID Manufacturer Name ACI ID Product Code 22AA ID Serial Number 0001e1b0 Week of Manufacture 25 Year of Manufacture 2008 x Vendor Product Identification x EDID Structure Version Revision EDID Version 01 EDID Revision 03 x EDID Structure Version Revision x Basic Display Parameters Features Video i p definition Digital Max H Image Size 47...

Page 68: ...A Established Timings 3 00 x Established Timings x Standard Timing Identification 1152x864 75 1280x960 60 1280x1024 60 1440x900 60 1680x1050 60 1280x800 60 x Standard Timing Identification x Detailed Timing Descriptions Detailed Timing 1680x1050 60Hz x Detailed Timing Descriptions x Detailed Timing Descriptions Detailed Timing FF Monitor SN 312231123312 Detailed Timing FD Monitor limits Min V rate...

Page 69: ...roduct Code 22AA ID Serial Number 000386d3 Week of Manufacture 25 Year of Manufacture 2008 x Vendor Product Identification x EDID Structure Version Revision EDID Version 01 EDID Revision 03 x EDID Structure Version Revision x Basic Display Parameters Features Video i p definition Analog Signal Level Standard 0 700V 0 000V 0 700Vpp Setup Blank to Black not expected Separate Sync Support Yes Composi...

Page 70: ...x1024 75Hz VESA Established Timings 3 00 x Established Timings x Standard Timing Identification 1152x864 75 1280x960 60 1280x1024 60 1440x900 60 1680x1050 60 1280x800 60 x Standard Timing Identification x Detailed Timing Descriptions Detailed Timing 1680x1050 60Hz x Detailed Timing Descriptions x Detailed Timing Descriptions Detailed Timing FF Monitor SN 231231231123 Detailed Timing FD Monitor lim...

Page 71: ...emp parameter is x 283 25 y 297 25 Y 170cd m2 typ D MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 25 y 329 25 Y 160 10cd m2 3 Into Factory mode of ASUS VW224 Press the MENU button pull out the power cord and then plug the power cord Then the factory OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 50 Adjust the Brightness to 80 5 Gain adjustment Move cu...

Page 72: ...R 100 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 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel ...

Page 73: ...ress power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is Reinsert or check the Adapter Inverter section X401 oscillate waveforms are normal Replace U701 or U702 Replace U401 Replace X401 OK OK OK NG NG NG NG Measure U701 PIN2 1 8V Measure U702 PIN2 3 3V ...

Page 74: ...ure OK OK NG NG Replace U701 or U702 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable Input the sync signal of computer or change Replace U401 NG OK Measure U701 PIN2 1 8V Measure U702 PIN2 3 3V ...

Page 75: ...ck Q411 and Q412 are broken or CN407 solder Check Correspondent component Replace Panel Check Correspondent component Replace U401 OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal OK X401 oscillate waveform is normal Measure Q411 base is low level ...

Page 76: ...e of C905 Check bridge rectified circuit and F901 circuit 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 1 Check IC901 2 Check R909 D901 circuit OK OK NG Check Q901 IC903 IC904 D915 D916 ZD921 ZD922 OK Check IC901 pin6 PWM wave OK Check IC901 NG NG NG OK NG ...

Page 77: ...ck Interface board NG OK Check IC801 PIN12 12V NG OK Change Q808 Check IC801 PIN10 9 have the output of square wave at short NG OK Change IC801 Check Q802 Q803 PIN5 6 7 8 have the output of square wave at short time NG OK Check Q801 Q804 Q811 Q812 Q802 Q803 Check the output of T801 T802 Check connecter lamp OK NG Change T801 T802 ...

Page 78: ...S 78 11 3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y Check Main Board ...

Page 79: ...Service Manual ASUS VW224U VW224S 79 12 Exploded View ...

Page 80: ... SUB 2nd source E08903 089G1748CAA AC SIGNAL CABLE DVI COMLINK E08903 089G1748GAA AC SIGNAL CABLE DVI GREATLAND 2nd source E08903 089G1748HAA AC DVI CABLE E08907 089G176J 55 1A FFC CABLE 55PIN 2nd source E08907 089G176W 55 1A FFC CABLE 55PIN E08901 089G404A18N IS POWER CORD 32E1818018 2nd source E08901 089G404A18N YH POWER CORD 32E1818018 32 D022217 E08911 089G410A18N IS POWER CORD 32E1818020 SHAR...

Page 81: ...G1133713 A15G0351201 HINGE BKT AM1G1740 10125 SCREW AUPC8QU3 AUDIO BOARD G2837 1 2 X 2 080707 CN603 033G3802 4 WAFER EH 4 CN605 033G3802 6 WAFER U601 056G 616 40 IC EUA6021AIIT1 2 5W 2 DIP 20 CN601 088G 30214K PHONE JACK 5PIN R601 061G 60210352T CFR 10KOHM 5 1 6W R602 061G 60210352T CFR 10KOHM 5 1 6W R603 061G 60210352T CFR 10KOHM 5 1 6W R604 061G 60210352T CFR 10KOHM 5 1 6W R605 061G 60210352T CF...

Page 82: ...01 3 105 100UF M 16V C461 067G305V101 3 105 100UF M 16V C712 067G305V101 3 105 100UF M 16V CN405 088G 35315F H D SUB 15PIN CN405 088G 35315F HD D SUB CONN F ATTACHED SCREW 2nd source CN406 088G 35424F C DVI 24PIN CONN F WITH SCREWS CN406 088G 35424F D DVI 24PIN CONN F ATTACHED SCREW 2nd source X401 093G 2253B H XAT01431AFI1H 3OHX AT 49 14 31818MHZ CN407 033G801955Y H HC 0 5 PITCH 55P SMT U401 056G...

Page 83: ...G0402100 RST CHIPR 10 OHM 5 1 16W R467 061G0402100 RST CHIPR 10 OHM 5 1 16W R468 061G0402100 RST CHIPR 10 OHM 5 1 16W R469 061G0402100 RST CHIPR 10 OHM 5 1 16W R411 061G0402101 RST CHIPR 100 OHM 5 1 16W R418 061G0402101 RST CHIPR 100 OHM 5 1 16W R420 061G0402101 RST CHIPR 100 OHM 5 1 16W R427 061G0402101 RST CHIPR 100 OHM 5 1 16W R428 061G0402101 RST CHIPR 100 OHM 5 1 16W R429 061G0402101 RST CHIP...

Page 84: ...ST CHIPR 10 KOHM 5 1 16W R493 061G0402103 RST CHIPR 10 KOHM 5 1 16W R494 061G0402103 RST CHIPR 10 KOHM 5 1 16W R497 061G0402103 RST CHIPR 10 KOHM 5 1 16W R708 061G0402103 RST CHIPR 10 KOHM 5 1 16W R711 061G0402103 RST CHIPR 10 KOHM 5 1 16W R458 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R449 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R448 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R405 061G0402223 RST CHIPR 2...

Page 85: ... 15 MLCC 0402 0 1UF K 16V X5R C422 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C411 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C412 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C413 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C414 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C415 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C416 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C419 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C4...

Page 86: ...065G0402104 15 MLCC 0402 0 1UF K 16V X5R C406 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C407 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C409 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C410 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C463 065G0402105 A5 CAP 0402 1UF K 10V X5R C443 065G0402221 31 CAP CER 220PF 5 50V SM C446 065G0402224A5T MLCC 0402 0 22UF K 10V X C444 065G0402224A5T MLCC 0402 0 22UF K 10V X...

Page 87: ...T UDZSNP5 6B ROHM D410 093G 39S 34 T UDZSNP5 6B ROHM D415 093G 39S 34 T UDZSNP5 6B ROHM D401 093G 39S 34 T UDZSNP5 6B ROHM D402 093G 39S 34 T UDZSNP5 6B ROHM D416 093G 39S 34 T UDZSNP5 6B ROHM D425 093G 39S 34 T UDZSNP5 6B ROHM D704 093G2004 2 DIODE SR24 715G2670 1 2 MAIN BOARD PCB FR4 80X67X1 6MM DS KEPC7QU1 KEY BOARD G2900 E X X 1 080102 SW002 077G 600 2A CJ TACT SWITCH 4PIN SW001 077G 600 2A CJ...

Page 88: ...21 2E F WAFER CN801 033G8021 2E U INVERT CONNECTOR CN802 033G8021 2E U INVERT CONNECTOR CN803 033G8021 2E U INVERT CONNECTOR CN804 033G8021 2E U INVERT CONNECTOR 051G 6 4503 GLUE_RTV IC903 056G 139 3A IC PC123Y22FZ0F IC903 056G 139 5A TCET1103G NR901 061G 58080 WT 8 OHM NCT R908 061G152M104 64 100KOHM 5 2W R914 061G152M228 64 0 22 OHM 5 2W C903 063G 10747410V 0 47UF 275VAC ARCO C904 063G107K224 UM...

Page 89: ...4110055 L903 073G 253191 YS CHOKE COIL 1 1UH YS04110055 T901 080GL19T 23 N XFMR POWER 510UH YUVA T901 080GL19T 23 YS X FMR 510UH YS04160061 T802 080GL19T 24 H XFMR INVERTER 740MH DADON T801 080GL19T 24 H XFMR INVERTER 740MH DADON T801 080GL19T 24 DN XFMR INVERTER 740MH DARFON T802 080GL19T 24 DN XFMR INVERTER 740MH DARFON T801 080GL19T 24 YS X FMR 740MH YS04170157 T802 080GL19T 24 YS X FMR 740MH Y...

Page 90: ... Q804 057G 417 6 PMBS3906 PHILIPS SMT 06 Q801 057G 417 12 T KEC 2N3904S RTK PS Q806 057G 417 12 T KEC 2N3904S RTK PS Q807 057G 417 12 T KEC 2N3904S RTK PS Q811 057G 417 12 T KEC 2N3904S RTK PS Q804 057G 417 16 T MMBT2907 Q812 057G 417 16 T MMBT2907 Q802 057G 600 55 P5506 HVG SO 8 Q803 057G 600 55 P5506 HVG SO 8 Q809 057G 759 2 RK7002 Q810 057G 759 2 RK7002 Q808 057G 760 4A DTA144WN3 S SOT 23 Q808 ...

Page 91: ...61G0603105 RST CHIPR 1M OHM 5 1 10W R862 061G0603105 RST CHIPR 1M OHM 5 1 10W R851 061G0603130 2F RST CHIPR 13 KOHM 1 1 10W R924 061G0603152 RST CHIPR 1 5 KOHM 5 1 10W R831 061G0603240 1F RST CHIPR 2 4 KOHM 1 1 10W R930 061G0603240 1F RST CHIPR 2 4 KOHM 1 1 10W R811 061G0603270 1F RST CHIPR 2 7 KOHM 1 1 10W R861 061G0603270 3F RST CHIPR 270KOHM 1 1 10W R940 061G0603330 2F RST CHIPR 33K OHM 1 1 10W...

Page 92: ...809 061G1206000 RST CHIPR 0 OHM 5 1 4W JR901 061G1206000 RST CHIPR 0 OHM 5 1 4W F902 061G1206000 4 RST CHIPR 0 OHM 5 1 4W F801 061G1206000 4 RST CHIPR 0 OHM 5 1 4W R967 061G1206000 4 RST CHIPR 0 OHM 5 1 4W R909 061G1206100 RST CHIPR 10 OHM 5 1 4W R910 061G1206100 RST CHIPR 10 OHM 5 1 4W R962 061G1206101 RST CHIPR 100 OHM 5 1 4W R961 061G1206101 RST CHIPR 100 OHM 5 1 4W R935 061G1206101 RST CHIPR 1...

Page 93: ...AP CHIP 0805 0 1UF K 50V X7R C916 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C907 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C824 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C805 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C822 065G0805105 22 CAP CHIP 0805 1UF K 25V X7R C928 065G0805122 31 CHIP CAP 0805 1200PF J 50V NPO C841 065G0805152 31 1 5NF 50V C840 065G0805152 31 1 5NF 50V C839 065G080...

Page 94: ...G 158 4 T H431BA IC904 056G 158 12 KIA431A AT P TO 92 C938 065G 2K152 1T6921 1 5NF 2KV Y5P 10 C906 065G 2K152 1T6921 1 5NF 2KV Y5P 10 C908 067G215Y2207KT CAP 105 22UF M 50V KINGNICHI FB901 071G 55 29 FERRITE BEAD F901 084G 55 1W FUSE 4A 250V WICKMANN D901 093G 6038P52T PS102R D900 093G1100 1152T DIODE PR1007R 1A 1000V DO 41 J808 095G 90 23 JUMPER J807 095G 90 23 JUMPER J806 095G 90 23 JUMPER J805 ...

Page 95: ...0267201 SHIELDING Q40G 22N68017A RATING LABEL Q40G000268070A TRY ME LABEL FOR VK22 Q40G000268080A SPLENDID LABEL FOR VW224U Q41G780068031D APAC WARRANTY CARD NON ZBD Q44GC03768010A 22 LCD CARTON Q44GC055101 EPS Q44GC055201 EPS Q45G 76 28V13 R PE BAG Q45G 77 5 PE PACKING Q45G 88607 25 PE BAG FOR BASE Q45G 88609130 EPE BAG Q52G6020 29 PROTECT FILM 045G 76 28 RN PE BAG FOR MANUAL E08904 089G 17356G55...

Page 96: ...907 089G176J 55 1A FFC CABLE 55PIN 2nd source E08907 089G176W 55 1A FFC CABLE 55PIN E08901 089G404A18N IS POWER CORD 插 32E1818018 2nd source E08901 089G404A18N YH POWER CORD 32E1818018 32 D022217 E09502 095G8014 6D698 WIRE HARNESS 6P PH 6P A1253 HR 2nd source E09502 095G8014 6W698 WIRE HARNESS 6P PH 6P A1253 HR 2nd source E09502 095G8014 6X698 WIRE HARNESS 6P PH 6P A1253 HR 0M1G1730 6120 SCREW 42 ...

Page 97: ...0210352T CFR 10KOHM 5 1 6W R611 061G 60210352T CFR 10KOHM 5 1 6W R606 061G 60220352T CFR 20K OHM 5 1 6W R607 061G 60220352T CFR 20K OHM 5 1 6W C610 065G 444102 5T 1000PF 10 50V CERAMIC C611 065G 444102 5T 1000PF 10 50V CERAMIC C601 065G250K4742GT CAP JC 0 47UF K 25V X7R C602 065G250K4742GT CAP JC 0 47UF K 25V X7R C603 065G250K4742GT CAP JC 0 47UF K 25V X7R C605 065G250K4742GT CAP JC 0 47UF K 25V X...

Page 98: ... 763 1 A03401 SOT23 BY AOS A1 Q412 057G 763501 FET AM2321P ANALOG POWER R407 061G0402000 RST CHIP MAX 0R05 1 16W R410 061G0402000 RST CHIP MAX 0R05 1 16W R411 061G0402101 RST CHIPR 100 OHM 5 1 16W R418 061G0402101 RST CHIPR 100 OHM 5 1 16W R420 061G0402101 RST CHIPR 100 OHM 5 1 16W R427 061G0402101 RST CHIPR 100 OHM 5 1 16W R428 061G0402101 RST CHIPR 100 OHM 5 1 16W R429 061G0402101 RST CHIPR 100 ...

Page 99: ...61G0402222 RST CHIPR 2 2 KOHM 5 1 16W R449 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R405 061G0402223 RST CHIPR 22 KOHM 5 1 16W R403 061G0402390 0F RST CHIP 390R 1 16W 1 R474 061G0402390 1F RST CHIPR 3 9KOHM 1 1 16W R475 061G0402390 1F RST CHIPR 3 9KOHM 1 1 16W R419 061G0402471 RST CHIPR 470 OHM 5 1 16W R421 061G0402471 RST CHIPR 470 OHM 5 1 16W R437 061G0402471 RST CHIPR 470 OHM 5 1 16W R496 061G040...

Page 100: ...F K 16V X5R C701 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C704 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C709 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C711 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C713 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C714 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C462 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C465 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C413 065G0402104 15 ...

Page 101: ...5G0402473 12 CHIP 0 047UF 16V X7R C433 065G0402473 12 CHIP 0 047UF 16V X7R C432 065G0402473 12 CHIP 0 047UF 16V X7R FB409 071G 56G151 MD CHIP BEAD FB405 071G 56K121 CHIP BEAD FB403 071G 56K121 CHIP BEAD FB402 071G 56K121 CHIP BEAD FB421 071G 56K121 CHIP BEAD D407 093G 64 42 P BAV70 SOT23 BY PAN JIT D405 093G 6433P BAV99 D404 093G 6433P BAV99 D403 093G 6433P BAV99 D406 093G 39S 24 T RLZ 5 6B LLDS D...

Page 102: ... T RLZ 5 6B LLDS ZD001 093G 39S 24 T RLZ 5 6B LLDS ZD002 093G 39S 24 T RLZ 5 6B LLDS 715G2900 1 KEPC PCB FR4 147X12X1 6MM DS PWPC8C42MQF1 POWER BOARD G2538 2 ACE X 14 081113 040G 45762412B CBPC LABEL GND1 009G6005 1 GROUND TERMINAL CN801 033G8021 2E F WAFER CN802 033G8021 2E F WAFER CN803 033G8021 2E F WAFER CN804 033G8021 2E F WAFER CN801 033G8021 2E U INVERT CONNECTOR CN802 033G8021 2E U INVERT ...

Page 103: ...253191 YS CHOKE COIL 1 1UH YS04110055 L903 073G 253191 YS CHOKE COIL 1 1UH YS04110055 T901 080GL19T 23 N XFMR POWER 510UH YUVA T901 080GL19T 23 YS X FMR 510UH YS04160061 T801 080GL19T 24 H XFMR INVERTER 740MH DADON T802 080GL19T 24 H XFMR INVERTER 740MH DADON T801 080GL19T 24 DN XFMR INVERTER 740MH DARFON T802 080GL19T 24 DN XFMR INVERTER 740MH DARFON T801 080GL19T 24 YS X FMR 740MH YS04170157 T80...

Page 104: ...HM Q810 057G 759 2 RK7002FD5T116 SOT 23 BY ROHM Q808 057G 760 4A DTA144WN3 S SOT 23 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5A DTC 144WN3 S SOT 23 R824 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R822 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R821 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R818 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R816 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R815 061G0603100 1F ...

Page 105: ...M 5 1 10W R820 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R807 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R806 061G0603680 2F RST CHIPR 68K OHM 1 1 10W R841 061G0603680 2F RST CHIPR 68K OHM 1 1 10W R853 061G0603680 2F RST CHIPR 68K OHM 1 1 10W R854 061G0603680 2F RST CHIPR 68K OHM 1 1 10W R850 061G0805000 RST CHIP MAX 0R05 1 8W R839 061G0805000 RST CHIP MAX 0R05 1 8W R804 061G0805101 1ST CHIPR 100 OHM...

Page 106: ...06102 RST CHIPR 1K OHM 5 1 4W R922 061G1206102 RST CHIPR 1K OHM 5 1 4W R923 061G1206102 RST CHIPR 1K OHM 5 1 4W R928 061G1206102 RST CHIPR 1K OHM 5 1 4W R855 061G1206150 RST CHIPR 15 OHM 5 1 4W R856 061G1206150 RST CHIPR 15 OHM 5 1 4W R857 061G1206150 RST CHIPR 15 OHM 5 1 4W R858 061G1206150 RST CHIPR 15 OHM 5 1 4W R904 061G1206472 RST CHIPR 4 7K OHM 5 1 4W R932 061G1206472 RST CHIPR 4 7K OHM 5 1 ...

Page 107: ...CAP CHIP 0805 220PF G 50V NPO C911 065G0805224 22 CAIP CAP 0 22 UF 25V X7R C909 065G0805224 32 0 22UF K 50V X7R C845 065G0805225 12 CAP CHIP 0805 2 2UF K 16V X7R C912 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C929 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R D804 093G 64 33 DIO SIG SM BAV99 PHSE R D803 093G 64 33 DIO SIG SM BAV99 PHSE R D802 093G 64 33 DIO SIG SM BAV99 PHSE R D801 093G 64 3...

Page 108: ...M SS D902 093G 6432S 1N4148W R937 061G1206221 RST CHIPR 220 OHM 5 1 4W T901 S80GL19T23V TRANSFORMER ASS Y Q15G0267101 SHIELDING Q40G 22N68017B RATING LABEL Q40G000268070A TRY ME LABEL FOR VK22 Q40G000268086A SPLENDID LABEL FOR VW224S Q41G780068025C EU WARRANTY CARD NON ZBD Q44GC03768010B 22 LCD CARTON Q44GC055101 EPS Q44GC055201 EPS Q45G 88607 25 PE BAG FOR BASE Q45G 88609130 EPE BAG Q52G6020 29 P...

Page 109: ...1G780068026C TW WARRANTY CARD NON ZBD 040G 582680 1A CARTON LABEL Diversity of TCR2MPNBWYUSDI compared with TCR2MPNCWYUSDI Location Part No Description Remark Q41G780068025C EU WARRANTY CARD NON ZBD Diversity of TCR2MPNKWYUSDI compared with TCR2MPNCWYUSDI Location Part No Description Remark E08901 089G402A18N CX POWER CORD E08901 089G402A18N IS POWER CORD 32 D022438 2nd source Q40G 22N68024A RATIN...

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