Asus VH222D Service Manual Download

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Service Manual ASUS VH222S&VH222D

L901

073G 174 65 S2

LINE FILTER 30mH MIN

L906

073G 253191 H

IND CHOKE 1.1uH DADON

L907

073G 253191 H

IND CHOKE 1.1uH DADON

L906

073G 253191 S

IND CHOKE 1.1uH

L907

073G 253191 S

IND CHOKE 1.1uH

T901

080GL17T 47 L

X'FMR 600uH PT-011130

T901

080GL17T 47 N

X'FMR 600uH YUVA-1080

PT801

080GL20T 41 DN

X'FMR 86uH TK.4301Z.101

CN901

087G 501 32 S

AC SOCKET

CN901

087G 501 32 CJ

AC SOCKET

CN601

088G 30214K DC

PHONE JACK 5PIN

BD901

093G 50460 28

BRIDGE DIODE KBP208G LITEON

D902

093G 60322

DIODE SR5150 5A/150V DO-27

D901

093G 60322

DIODE SR5150 5A/150V DO-27

D902

093G 60325

DIODE SB5150 5A/150V DO-201AD

D901

093G 60325

DIODE SB5150 5A/150V DO-201AD

CN902

095G 825 9D519

HARNESS 9P(SCN)-9P(PH) 160MM

CN902

095G 825 9J519

HARNESS 9P(SCN)-9P(PH) 160MM

2nd source

705GQ857042

Q901 ASS'Y

051G 200 1

OIL FOR DISAPPEAR

Q901

057G 724 11

STP9NK65ZFP

HS1

090G6064 1

HEAT SINK

AM1G1730 8120

SCREW

705GQ893027

D906 ASS'Y

051G 200 1

OIL FOR DISAPPEAR

HS3

090G6084 1

HEAT SINK

D906

093G 60251

FCQ10U06

D906

093G 60526

SCHOTTKY MBRF1060CT ITO-220AB

D906

093G1506 2

FMW-2156

AM1G1730 8120

SCREW

U801

056G 379 22

IC TL494IDR SOIC-16

U901

056G 379128

IC LD7576 GS SOP-8

Q608

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q801

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q808

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q809

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q813

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q810

057G 417 4

PMBS3904/PHILIPS-SMT(04)

Q805

057G 417 16 T

MMBT2907

Q807

057G 417 16 T

MMBT2907

Summary of Contents for VH222D

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: ...upply Requirements 11 3 3 Factory Preset Display Modes 12 4 Block Diagram 14 4 1 Software Flow Chat 14 42 Electircal Block Diagram 16 5 Schematic Diagram 18 5 1 Main Board 18 5 2 Power Board 22 5 3 Key Board 25 6 PCB Layout 26 6 1 Main Board 26 6 2 Power Board 29 6 3 Key Board 30 7 Disassemble Assemble SOP 31 8 ISP Instruction 44 9 DDC Instruction 47 10 Color White Balance Adjustment 56 11 Trouble...

Page 3: ... Date Revision History Customer Model TPV Model Name A00 Oct 27 2008 Initial release VH222S TIRMABNTXCUSAZ TIRMABNCXCUSNN TIRAABNCX9USNN TIRMABNBXCUSAN A01 Dec 15 2008 Add new BOM VH222S TIRAABNBX9USAN TIRAABNBX9USNN A02 Jan 08 2009 Add new BOM VH222D TIRMABNBXCUSNN ...

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: ... H Color Saturation NTSC 72 72 Display Colors 16 7M 16 7M Response Time 5ms Tr Tf 5ms Tr Tf Satellite Sperker 2W x 2 stereo No D SUB Input Yes Yes Audio Line in Yes No Power On 45W 45W Tilt 20 5 20 5 VESA Wall Mounting Yes 100mm x 100mm Yes 100mm x 100mm Phys Dimension 515 x220 x330 5 515 x220 x330 5 Box Dimesion WxHxD 588 x 452 x 162 588 x 452 x 162 Net Weight Esti 4 5 4 5 Gross Weight Esti 7 0 6...

Page 6: ...trol 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 2 2 Control Button Rear View ...

Page 7: ...Service Manual ASUS VH222S VH222D 7 Front View ...

Page 8: ...y other function 2 3 2 OSD Function Introduction 1 Spendid This function contains five sub functions you can select for your preference Each mode has the Reset selection allowing you to maintain your setting or return to the preset mode Scenery Mode Best choice for scenery photo display with SPLENDID Video Enhhancement Standard Mode Best choice for document editing with SPLENDID Video Enhancement ...

Page 9: ...e noise and Vertical line noise of the image by adjusting Phase and Clock separately The adjusting range is from 0 to 00 Phase adjusts the phase of the pixel clock signal With a wrong phase adjustment the screen shows horizontal disturbances Clock pixel frequency controls the number of pixels scanned by one horizontal sweep If the frequency is not correct the screen shows vertical stripes and the ...

Page 10: ...ostition H Position and the vertical position V Position of the OSD The adjusting range is from 0 to 00 In the OSD Timeout selection you can adjust the OSD timeout from 0 to 20 Language there are ten languages for your selection Including English German Italian French Dutch Spanish Russian Traditional Chinese Simplified Chinese Japanese and Korean Aspect Controls adjusts the aspect ratio to Full o...

Page 11: ...Sync 7 Green Ground 15 DDC Serial Clock 8 Blue Ground VGA connector layout 3 2 Power Supply Requirements A C Line voltage range 100 V 240 V A C Line frequency range 50 3Hz 60 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...

Page 12: ...Service Manual ASUS VH222S VH222D 12 3 3 Factory Preset Display Modes VESA Modes Factory Preset Timings ...

Page 13: ...ce Manual ASUS VH222S VH222D 13 VESA Modes User Available Timings Modes not listed in the above tables may not be supported For optimal resolution we recommendthatyou choose a mode listed in the above tables ...

Page 14: ...Service Manual ASUS VH222S VH222D 14 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 15: ...he 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 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 Progra...

Page 16: ...D 16 4 2 Electrical Block Diagram 4 2 1 Main Board Flash Memory SST25LF020A U402 Panel Interface CN403 Crystal 14 31818MHZ X401 Keypad Interface CN401 Scalar TSUMU18ER 1 Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB ...

Page 17: ...EMI filter Start Circuit R908 R911 PWM Control IC LD7576 Transformer AC input 14 5V 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 TL494IDR Over Voltage ...

Page 18: ...VGA_PLUG DSUB_SDA DSUB_H 5 C102 22pF R107 75R 1 16W 5 ESD_VCC DDC1_SDA 5 C109 0 047uF DSUB_5V DSUB_5V DDC1_SDA U102 AZC099 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 DSUB_B 5 R118 1K 1 16W 5 C111 5pF 50V DSUB_SDA VCC3 3 DSUB_SOG 5 R112 75R 1 16W 5 R117 100R 1 16W 5 U101 R115 100R 1 16W 5 VGA_R DDC1_SCL C107 0 047uF DSUB_B 5 R110 100R 1 16W 5 R121 10K 1 16W 5 R120 10K 1 16W 5 VCC3 3 VGA_G R113 100...

Page 19: ...5 AVDD Mute 7 U403 NC 1 2 3 4 5 6 7 8 NC NC NC VSS SDA SCL WC VCC TSUMU18ER 1 U401 13 10 11 8 12 9 7 16 17 4 15 14 21 23 22 24 27 56 1 2 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 34 33 5 6 32 31 52 30 18 19 62 20 28 55 58 59 60 61 63 64 25 26 54 51 53 29 57 3 RIN0P GIN0P SOGIN0 BIN0P RIN0M GIN0M BIN0M HSYNC0 VSYNC0 REXT REFP REFM SDO SCK SCZ SDI PWM2 GPIO_P24 PWM1 GPIO_P25 XIN XOUT LVA2P LVA...

Page 20: ...9 PA6 PB3 3 PB4 S PB 0 9 PA5 PA7 R435 4K7 1 16W 5 PPWR_ON 5 PA4 PB6 PB3 PA9 PB9 CN403 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 AO3401L PA8 FB402 120OHM PB8 PB4 Q405 AO3401 PA 4 9 5 PB8 PA0 PB7 PB6 R434 330 OHM 1 4W PA4 R436 100K 1 16W 5 PANEL_VCC C420 0 1uF 16V PB0 PB5 C419 0 1uF 16V 2006 11 7 Add pull up 4K7 to MVCC PB9 PPWR_ON PA 0 1 PB7 1 PB3 PB0 PB2...

Page 21: ...p Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 Q409 KN2907AS R446 10K 1 16W 5 R442 100R 1 16W 5 C428 0 1uF 16V R449 NC VCTRL 5 PANEL_ID 5 VCC3 3 CN404 CONN 1 2 3 4 5 6 7 8 9 VCC3 3 CMVCC Volume C_PANEL_INDEX VCC1 8 5 D402 SM340A Mute 5 R450 NC NC R0402 ESD_VCC 2 VCC3 3 Q406 2N3904S RTK PS D401 BAT54C R437 10K 1 16W 5 R448 4K7 1 16W 5 MVCC CMVCC1 CMVCC 5 6 Volume DSUB_5V 2 C423 100UF25V VCC3 3 ...

Page 22: ... 250VAC C925 1000uF M 16V R923 220 OHM 1 4W L906 R909 100 OHM 1 4W F902 FUSE R913 5 1 OHM 1 4W 5 R928 1K 1 10W 1 R914 43 2K OHM 1 1 4W CN902 Wire Harness 1 2 3 4 5 6 7 8 9 F801 0R05 1 4W 5 R912 100 OHM 1 4W R925 2 43K OHM 1 1 10W FB902 BEAD 1 2 C921 NC 1000uF25V D905 NC 31DQ06FC3 R904 100OHM 2W R901 620K OHM 1 4W C923 0 001uF C920 1000uF25V F901 FUSE R906 100K OMH 2W 5 R900 620K OHM 1 4W U902 PC12...

Page 23: ...C807 D804 IN4148 Q811 RK7002 Q810 MMBT3904 R811 10R 1 10W 5 U801 TL494IDR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1IN 1IN FEEDBACK DTC CT RT GND C1 E1 E2 C2 VCC OUTPUT CTRL REF 2IN 2IN CN804 CONN 1 2 R820 16 2K 1 10W 1 R838 33R 1 10W 5 R809 2 43K OHM 1 1 10W R832 10K 1 10W 1 R826 47K 1 10W 1 Q808 MMBT3904 14 5V R806 10K 1 10W 1 PWPC8C41MQFW 1 Custom 2 3 Monday September 29 2008 715G2892 1 ODM MODEL...

Page 24: ...4 AUDIO G2892 2 X X 10 081212 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称称 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 R607 10K 1 10W 5 NC VW222D C604 470UF M 16V R604 10K 1 10W 5 C609 1uF 25V 5V1 R605 10K 1 10W 5 R608 0R05 1 8W C608 1uF 25V Lin ROUT 5V1 ROUT C606 0 47uF 16V C612 0 1uF 16V R609 10K 1 10W 5 R602 NC C610 100pF CN603 NC CONN 1 2 3 4 R612 10K 1 10W 5 MUTE R6...

Page 25: ...ME 称称 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 R003 1K 1 10W 1 ZD003 NC RLZ5 6B 1 2 GND SW003 SW 1 2 3 4 SW002 SW 1 2 3 4 SW001 SW 1 2 3 4 SW006 SW 1 2 3 4 Menu GND R004 2K OHM 1 1 10W GND SW005 SW 1 2 3 4 Splendid All Auto VH222H LED01 LED 1 3 2 ZD001 NC RLZ5 6B 1 2 GND Input VH222H Auto other CN001 CONN 1 2 3 4 5 6 7 8 SW004 SW 1 2 3 4 R001 2K OHM 1 1 10W GND C004 0 1uF GND Le...

Page 26: ...Service Manual ASUS VH222S VH222D 26 6 PCB Layout 6 1 Main Board 715G2904 2 5 ...

Page 27: ...Service Manual ASUS VH222S VH222D 27 ...

Page 28: ...Service Manual ASUS VH222S VH222D 28 ...

Page 29: ...Service Manual ASUS VH222S VH222D 29 6 2 Power Board 715G2892 1 ...

Page 30: ...Service Manual ASUS VH222S VH222D 30 6 3 Key Board 715G2900 1 2 ...

Page 31: ...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 32: ...nd repair Philips head Screwdirver Use a Philips head screwdriver to fasten remove the K or B typed screws Gloves To protect LCD Panel and your hand C D Disassembly Tool Use C D Disassembly Tool to open cosmetic cover and avoid scratch Spacer Screwdriver Use a spacer screwdriver to fasten remove spacer screws or hex screws ...

Page 33: ... 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 34: ...Service Manual ASUS VH222S VH222D 34 3 Remove 3 screws on the STAND and then remove STAND 4 Remove 4screws 5 Dismount HINGE ...

Page 35: ...ly tool to open 6 latches at the bottom of BACK COVER as below and open the other latches along the edge of the BACK COVER then lift dimount BACK COVER Key Board 1 Unlock lelt and right latches to dismount KEY BOARD 2 Disconnect KEY BOARD CABLE Main Shielding 1 Disconnect LAMP WIRES ...

Page 36: ...anual ASUS VH222S VH222D 36 2 Release 2 screws and pull down the MAIN SHIELDIGN 3 Press to release left and right latches of LVDS CABLE and then disconnect it 4 Remove the MAIN SHIELDING away from the LCD PANEL ...

Page 37: ... Borad 1 Release 6 screws DVI and HDMI are not available for VH222S 2 Release 3 screws on MAIN BOARD 3 Turn over the MAIN BOARD and disconnect AUDIO BOARD CABLE KEY BOARD CABLE and MAIN BD_POWER BD CABLE KEY BOARD CABLE MAIN BD_POWER BD CABLE ...

Page 38: ...nnect FFC CABLE Power Board Release 3 screws on POWER BOARD and remove POWER BOARD Speaker Module Pull the SPEAKER CABLE out of the hole and remove SPEAKERS 7 3 3 Bezel Subsysytem Dismount KEY PAD Note the disassembly way of VH222S is the same as VH222D S ...

Page 39: ...tion the detailed assembly procedures of individual modules will be provided for your service needs The assembly procedure consists of the following steps 7 4 1 Bezel Subsystem 7 4 2 Main Subsystem 7 4 3 Stand Subsystem 7 4 1 Bezel Subsystem 1 Assemble the KEY PAD onto the LCD BEZEL 7 4 2 Main Subsystem Speaker Module Install the SPEAKER and spread the SPEAKER CABLE through the hole Power Board As...

Page 40: ... VH222S VH222D 40 Main Board 1 Plug FFC CABLE 2 Connect AUDIO BOARD CABLE KEY BOARD CABLE and MAIN BD_POWER BD CABLE with MAIN BOARD 3 Assemble MAIN BOARD then tight 3 screws on them KEY BOARD CABLE MAIN BD_POWER BD CABLE ...

Page 41: ...vice Manual ASUS VH222S VH222D 41 4 Secure 6 srcews DVI and HDMI are not available for VH222S Main Shielding 1 Connect the LVDS CABLE 2 Assemble the MAIN SHELDING with LCD PANEL 3 Secure 2 srcews as follow ...

Page 42: ...222D 42 4 Connect LAMP WIRES Key Board 1 Place PANEL ASSY on the BEZEL and plug the KEY BOARD CABLE 2 Install KEY BOARD Back Cover 1 Assemble BACK COVER and press down along sides to lock latches Stand Subsystem 1 Install the HINGE ...

Page 43: ...ice Manual ASUS VH222S VH222D 43 2 Mount 4 screws 3 Mount STAND and then secure 3 screws on STAND 4 Cover STAND COVER and then mount BASE under STAND Note The assembly way of VH222S is the same as VH222D S ...

Page 44: ...r compatible 2 Microsoft operation system Windows 95 98 2000 XP 3 ISP_Tool V4 3 4 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 VH222S ...

Page 45: ...Service Manual ASUS VH222S VH222D 45 a Double click running the program as follows b Click icon and then click to search the program ASUS_VH222S_TSUMU18ER 1_CMOM216H1L01_081018_V012 and click open ...

Page 46: ...Service Manual ASUS VH222S VH222D 46 C Click icon then click If it burns successfully it will show as the follow picture Note The burning way of VH222S is the the same as the VH222D s ...

Page 47: ...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 48: ...Service Manual ASUS VH222S VH222D 48 9 3 The process of analog DDC write is as follow a Double click appear as follow Figs ...

Page 49: ...H222D 49 b Click and then appear the dialog box as follow c Key 12 numbers in the Serial Number Blank then click OK When appear Write OK the analog DDC Write completes Note The burning way of VH222S is the the same as the VH222D s ...

Page 50: ...A 00 00 00 FD 00 37 96 4B 1E 55 10 00 0A 20 20 20 20 20 20 00 00 00 FC 112 00 41 53 55 53 20 56 48 32 32 32 0A 20 20 00 37 Decoded EDID data Header Header 00 FF FF FF FF FF FF 00 x Header x Vendor Product Identification ID Manufacturer Name ACI ID Product Code 22AB ID Serial Number 000c2d3c Week of Manufacture 36 Year of Manufacture 2008 x Vendor Product Identification x EDID Structure Version Rev...

Page 51: ... 0 6435546875 Red y 0 3320312500 Green x 0 2861328125 Green y 0 6005859375 Blue x 0 1523437500 Blue y 0 0761718750 White x 0 3125000000 White y 0 3310546875 x Color Characteristics x Established Timings Established Timings 1 BF 720x400 70Hz VGA IBM 640x480 60Hz VGA IBM 640x480 67Hz Apple Mac II 640x480 72Hz VESA 640x480 75Hz VESA 800x600 56Hz VESA 800x600 60Hz VESA Established Timings 2 EF 800x600...

Page 52: ... Timing Descriptions Detailed Timing 1920x1080 60Hz x Detailed Timing Descriptions x Detailed Timing Descriptions Detailed Timing FF Monitor SN 132465798012 Detailed Timing FD Monitor limits Min V rate 55Hz Max V rate 75Hz Min H rate 30 KHz Max H rate 85 KHz Max Pixel Clock 160MHz Detailed Timing FC Monitor Name ASUS VH222 x Detailed Timing Descriptions x Extension Flag 00 Checksum 37 ...

Page 53: ... 39 37 30 31 32 0A 00 00 00 FD 00 37 96 4B 1E 55 10 00 0A 20 20 20 20 20 20 00 00 00 FC 112 00 41 53 55 53 20 56 48 32 32 32 48 0A 20 00 8C Decoded EDID data Header Header 00 FF FF FF FF FF FF 00 x Header x Vendor Product Identification ID Manufacturer Name ACI ID Product Code 22F3 ID Serial Number 000daff4 Week of Manufacture 36 Year of Manufacture 2008 x Vendor Product Identification x EDID Stru...

Page 54: ...s Color Characteristics Red x 0 6435546875 Red y 0 3320312500 Green x 0 2861328125 Green y 0 6005859375 Blue x 0 1523437500 Blue y 0 0761718750 White x 0 3125000000 White y 0 3310546875 x Color Characteristics x Established Timings Established Timings 1 BF 720x400 70Hz VGA IBM 640x480 60Hz VGA IBM 640x480 67Hz Apple Mac II 640x480 72Hz VESA 640x480 75Hz VESA 800x600 56Hz VESA 800x600 60Hz VESA Est...

Page 55: ...on x Detailed Timing Descriptions Detailed Timing 1920x1080 60Hz x Detailed Timing Descriptions x Detailed Timing Descriptions Detailed Timing FF Monitor SN 132645897012 Detailed Timing FD Monitor limits Min V rate 55Hz Max V rate 75Hz Min H rate 30KHz Max H rate 85KHz Max Pixel Clock 160MHz Detailed Timing FC Monitor Name ASUS VH222H x Detailed Timing Descriptions x Extension Flag 00 Checksum 8C ...

Page 56: ...cursor to F and press MENU key A Adjust Warm 6500K color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 Y 200cd m 2 typ 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory ...

Page 57: ... 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 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 Y 160 10cd m 2 4 Adjust the RED on factory window until chroma 7120 indic...

Page 58: ...ower key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the Adapter Inverter section X401 oscillate waveforms are normal Replace U404 or Q410 Replace U401 Replace X401 OK OK OK NG NG NG NG Measure U404 PIN2 3 3V Measure Q410Collector 1 8V ...

Page 59: ...G Replace U404 or Q410 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected Input the sync signal of computer or change the cable Replace U401 NG OK Measure U404 PIN2 3 3V Measure Q410Collector 1 8V ...

Page 60: ...ck Q404 and Q405 are broken or CN403 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 Q404 base is low level ...

Page 61: ...ge of C907 Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of U901 Check R908 R911 and Change U901 NG Check the auxiliary voltage is bigger than 11V and smaller than 25V 1 Check U901 2 Check R913 D904 circuit OK OK NG Check Q901 U902 U903 D901 D902 D906 ZD901 Q904 OK Check U901 pin5 PWM wave OK Check U901 NG NG NG OK NG ...

Page 62: ...Interface board NG OK Check U801 PIN12 14 5V NG OK Change Q802 Q804 Check U801 PIN10 9 have the output of square wave at short time NG OK Change U801 Check Q803 Q812 PIN5 6 7 8 have the output of square wave at short time NG OK Check Q801 Q803 Q805 Q807 Q812 Q813 Check the output of PT801 Check connecter lamp OK NG Change PT801 ...

Page 63: ...D 63 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 64: ...Service Manual ASUS VH222S VH222D 64 12 Exploded View ...

Page 65: ...89G 17356H554 AUDIO CABLE 1800MM 2nd source E08904 089G 17356C554 AUDIO CABLE 2nd source E08904 089G 17356X554 AUDIO CABLE E08902 089G 728CAA DB D SUB CABLE 2nd source E08902 089G 728GAA DB D SUB CABLE 2nd source E08902 089G 728HAA DB D SUB CABLE E08902 089G 728LAA DB D SUB CABLE 2nd source E08907 089G179E30N504 FFC CABLE 2nd source E08907 S89G179T30N504 LVDS ASSY 2nd source E08907 089G179J30N504 ...

Page 66: ...POWER BUTTON A33G0489 1 1C LENS A34G0889ADJC1B 30 BEZEL 21 6 A34G0890ADJ 1B 30 REAR COVER 22 A34G0892ADJ 1B STAND B 040G 45762412B CBPC LABEL CN401 033G3802 6 WAFER CN404 033G3802 9 WAFER 9P RIGHT ANELE PITCH CN403 033G801930F CH JS CONNECTOR R460 061G152M339 64 CHIPR 3 3 OHM 5 2W CN101 088G 35315F H D SUB 15PIN X401 093G 22 53 J 14 31818MHZ 32PF 49US C410 067G 3151007KB EC 10uF M 50V 5 11 C423 06...

Page 67: ... CHIPR 100 OHM 5 1 16W R442 061G0402101 RST CHIPR 100 OHM 5 1 16W R424 061G0402101 RST CHIPR 100 OHM 5 1 16W R420 061G0402101 RST CHIPR 100 OHM 5 1 16W R419 061G0402101 RST CHIPR 100 OHM 5 1 16W R418 061G0402101 RST CHIPR 100 OHM 5 1 16W R413 061G0402101 RST CHIPR 100 OHM 5 1 16W R412 061G0402101 RST CHIPR 100 OHM 5 1 16W R411 061G0402101 RST CHIPR 100 OHM 5 1 16W R405 061G0402101 RST CHIPR 100 OH...

Page 68: ...W 5 R107 061G0402750 RST CHIPR 75 OHM 5 1 16W R112 061G0402750 RST CHIPR 75 OHM 5 1 16W R116 061G0402750 RST CHIPR 75 OHM 5 1 16W R101 061G0603000 RST CHIP MAX 0R05 1 10W R434 061G1206331 RST CHIPR 330 OHM 5 1 4W C401 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C403 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C404 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C406 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C40...

Page 69: ...IP BEAD FCM2012VF 301T07 bullwill FB103 071G 59K190 B 19 OHM BEAD FB102 071G 59K190 B 19 OHM BEAD FB101 071G 59K190 B 19 OHM BEAD D403 093G 60230 BAT54C L43 D401 093G 60505 DIO SIG SM BAT54C PHSE R ZD103 093G 39S 34 T UDZSNP5 6B ROHM ZD104 093G 39S 34 T UDZSNP5 6B ROHM D402 093G3004 3 SM340A 715G2904 2 5 MAIN BOARD PCB KEPC8QU9 KEY BOARD G2900 1 2 X 1 081016 SW004 077G 600 2A CJ TACT SWITCH 4PIN S...

Page 70: ...3G8021 2E U INVERT CONNECTOR CN804 033G8021 2E U INVERT CONNECTOR 051G 200 1 OIL FOR DISAPPEAR U902 056G 139 3A IC PC123Y22FZ0F U601 056G 616 51 IC APA2071JI TUG 3 1W DIP 16 NR901 061G 5810T RST NTCR 8 OHM 20 4A 13mm THINKING C908 063G107K474 6S CAP X2 0 47UF K 275VAC C908 063G107K474 US 0 47UF 10 C903 065G306M1022BP 1000PF Y1 CAP C902 065G306M1022BP 1000PF Y1 CAP C900 065G306M3322BP 3300PF 20 C90...

Page 71: ...01 093G 60325 DIODE SB5150 5A 150V DO 201AD CN902 095G 825 9D519 HARNESS 9P SCN 9P PH 160MM CN902 095G 825 9J519 HARNESS 9P SCN 9P PH 160MM 2nd source 705GQ857042 Q901 ASS Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 724 11 STP9NK65ZFP HS1 090G6064 1 HEAT SINK AM1G1730 8120 SCREW 705GQ893027 D906 ASS Y 051G 200 1 OIL FOR DISAPPEAR HS3 090G6084 1 HEAT SINK D906 093G 60251 FCQ10U06 D906 093G 60526 SCHOT...

Page 72: ...0 1F RST CHIPR 1 KOHM 1 1 10W R810 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R808 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R804 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R802 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R918 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R840 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R835 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R832 061G0603100 2F RST CHIPR 10K OHM 1 1 10W R831 0...

Page 73: ...T CHIPR 470 OHM 5 1 10W R834 061G0603473 RST CHIPR 47 KOHM 5 1 10W R819 061G0603474 RST CHIPR 470 KOHM 5 1 10W R814 061G0603683 RST CHIPR 68K OHM 5 1 10W R815 061G0603683 RST CHIPR 68K OHM 5 1 10W R824 061G0603683 RST CHIPR 68K OHM 5 1 10W R608 061G0805000 RST CHIP MAX 0R05 1 8W R919 061G0805151 RST CHIPR 150 OHM 5 1 8W R828 061G0805180 2F RST CHIPR 18 KOHM 1 1 8W RJ801 061G1206000 RST CHIP MAX 0R...

Page 74: ...P CHIP 0603 0 1UF K 25V X7R C912 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C806 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C808 065G0603223 32 CHIP 0 022UF 50V X7R 0603 C810 065G0603225 A5 CHIP 2 2uF 10V X5R C817 065G0603225 A5 CHIP 2 2uF 10V X5R C807 065G0603332 32 CHIP 0 0033UF 50V X7R 0603 C914 065G0603471 32 CHIP 470PF 50V X7R C927 065G0603473 12 CHIP 0603 47nF K 16V X7R C601 065G0603474 ...

Page 75: ...D F903 084G 56 4 B FUSE 4A 250V F902 084G 56 4 B FUSE 4A 250V F901 084G 56 4 B FUSE 4A 250V ZD901 093G 3916752T MTZJ T 72 16B D903 093G 6026T52T RECTIFIER DIODE FR107 D903 093G 6026W52T FR107 D904 093G 6038P52T PS102R D904 093G 6038T52T FR103 D907 093G 64 1152T 1N4148 D804 093G 64 1152T 1N4148 D804 093G 6451652T 1N4148 D907 093G 6451652T 1N4148 715G2892 1 POWER BOARD PCB Q51G 6 4509 GLUE_RTV HS5 Q...

Page 76: ... 88609130 EPE BAG Q52G6020140 PROTECT FILM 089F80002203AG 1 0 30 2 5 220 3 0 65 0 05 033F303FH10BK3 F1010HA 30P BK 033F303FJSHK30 1 0S 19 30A 044F3231 167C4 5760 EVA 30 10 0 8mm 045G 76 28 RN PE BAG FOR MANUAL Q70G2408680 1A VH242 VH222 CD MANUAL 040G 58162435A P N LABEL FOR MANUAL PE BAG 040G 582680 1A CARTON LABEL 040G 582680 4A CARTON LABEL ...

Page 77: ...2nd source E08901 089G404A18N YH POWER CORD 32E1818018 32 D022217 095G8014 6D 58 HARNESS 6P 6P 300MM 0M1G 130 5120 SCREW 0M1G1030 6120 SCREW M3X6 0M1G1730 6120 SCREW 42 D020523 0M1G1740 10 47 CR3 SCREW 705GQ834343 22 LCD STAND BASE ASS Y 012G 394 6 FOOT PORON 0M1G1740 10 47 CR3 SCREW 0Q1G 130 8120 SCREW 42A9930011 A15G0486101 BASE PLATE A34G0891ADJ 1B STAND F A34G0893ADJ 1B BASE A37G0090 1 HINGE A...

Page 78: ...TSUMU18ER LF 1 LQFP 64 U404 056G 563916 IC LD1117DT33TR DPAK U103 056G 662 13 IC AZC099 04S SOT23 6L U102 056G 662 13 IC AZC099 04S SOT23 6L U402 056G1133129 IC EN25F20 100GCP 2MB SOP 8 Q406 057G 417 12 T KEC 2N3904S RTK PS Q410 057G 417 22 T TRA KN2907AS 60V 0 6A SOT 23 Q409 057G 417 22 T TRA KN2907AS 60V 0 6A SOT 23 Q404 057G 417512 MMBT3906 Q401 057G 763 1 A03401 SOT23 BY AOS A1 Q405 057G 763 1...

Page 79: ... R404 061G0402103 RST CHIPR 10 KOHM 5 1 16W R121 061G0402103 RST CHIPR 10 KOHM 5 1 16W R120 061G0402103 RST CHIPR 10 KOHM 5 1 16W R436 061G0402104 RST CHIPR 100 KOHM 5 1 16W R410 061G0402121 RST CHIP 120R 1 16W 5 R414 061G0402220 RST CHIPR 22 OHM 5 1 16W R105 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R106 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R401 061G0402330 RST CHIPR 33 OHM 5 1 16W R109 061G040239...

Page 80: ...MLCC 0402 0 1UF K 16V X5R C433 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C412 065G0402220 31 CHIP 22PF 50V NPO C411 065G0402220 31 CHIP 22PF 50V NPO C103 065G0402220 31 CHIP 22PF 50V NPO C102 065G0402220 31 CHIP 22PF 50V NPO C408 065G0402224 17 CAP CER 0 22UF 20 80 C106 065G0402473 12 CHIP 0 047UF 16V X7R C107 065G0402473 12 CHIP 0 047UF 16V X7R C109 065G0402473 12 CHIP 0 047UF 16V X7R C110 065G040...

Page 81: ...2 KOHM 1 1 10W R004 061G0603200 1F RST CHIPR 2 KOHM 1 1 10W C003 065G0603104 37 CHIP 0 1UF 50V Y5V C005 065G0603104 37 CHIP 0 1UF 50V Y5V C004 065G0603104 37 CHIP 0 1UF 50V Y5V C001 065G0603104 37 CHIP 0 1UF 50V Y5V C002 065G0603104 37 CHIP 0 1UF 50V Y5V 715G2900 1 2 KEY PCB FR 4 142X14X1 6MM DS PWPC8C41MQGD POWER BOARD G2892 1 X X 5 081022 040G 45762412B CBPC LABEL GND1 009G6005 1 GROUND TERMINAL...

Page 82: ...IND CHOKE 1 1UH DADON L907 073G 253191 S IND CHOKE 1 1UH L906 073G 253191 S IND CHOKE 1 1UH T901 080GL17T 47 L X FMR 600UH PT 011130 T901 080GL17T 47 N X FMR 600UH YUVA 1080 PT801 080GL20T 41 DN X FMR 86UH TK 4301Z 101 CN901 087G 501 32 S AC SOCKET CN901 087G 501 32 CJ AC SOCKET BD901 093G 50460 28 BRIDGE DIODE KBP208G LITEON D901 093G 60322 DIODE SR5150 5A 150V DO 27 D902 093G 60322 DIODE SR5150 ...

Page 83: ...763 92 FET P8008HV 4A 80V SOP 8 R803 061G0603100 RST CHIPR 10 OHM 5 1 10W R811 061G0603100 RST CHIPR 10 OHM 5 1 10W R928 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R920 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R907 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R813 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R810 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R808 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R804 061G06031...

Page 84: ...CHIPR 470 KOHM 5 1 10W R814 061G0603683 RST CHIPR 68K OHM 5 1 10W R815 061G0603683 RST CHIPR 68K OHM 5 1 10W R824 061G0603683 RST CHIPR 68K OHM 5 1 10W R919 061G0805151 RST CHIPR 150 OHM 5 1 8W R828 061G0805180 2F RST CHIPR 18 KOHM 1 1 8W RJ804 061G1206000 RST CHIP MAX 0R05 1 4W RJ803 061G1206000 RST CHIP MAX 0R05 1 4W RJ802 061G1206000 RST CHIP MAX 0R05 1 4W RJ801 061G1206000 RST CHIP MAX 0R05 1 ...

Page 85: ...0PF 50V X7R C927 065G0603473 12 CHIP 0603 47NF K 16V X7R C809 065G0805681 31 CHIP 680PF 50V NPO 0805 C917 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C916 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R D805 093G 64 38 D DIODE BAW56 DIODES D801 093G 64 42 PP BAV70 SOT 23 D802 093G 64 42 PP BAV70 SOT 23 D803 093G 64 42 PP BAV70 SOT 23 U903 056G 158 12 KIA431A AT P TO 92 Q904 057G 761 16 TRA KTD10...

Page 86: ...Q851001 OIL FOR DISAPPEAR ASS Y Q12G6300 71 VESA PLUG Q40G 22N68020A RATING LABEL Q40G000268088A TRY ME LABEL Q40G000268097A FUNCTION LABLE Q40G0002680A03 VH222HD SPLENDID LABEL Q41G780068025C EU WARRANTY CARD NON ZBD Q44GC072101 EPS Q44GC072201 EPS Q44GC072680 1A 22 LCD CARTON Q45G 76 28V13 R PE BAG Q45G 88607 25 PE BAG FOR BASE Q45G 88609130 EPE BAG Q52G 3 72 TWIN ADHESIVE E08907 S89G179T30N12 L...

Page 87: ...020 E08911 089G410A18N LS POWER CORD 2nd source E08921 089G412A18NYH3 POWER CORD E08921 089G412A18NIS3 POWER CORD 32E1818058 2nd source Diversity of TIRAABNCX9USNN compared with TIRMABNTXCUSAZ Location Part No Description Remark E08901 089G404A18N CX POWER CORD 2nd source E08901 089G404A18N YH POWER CORD 32E1818018 32 D022217 E750 750GLU215H1013M0AS PANEL M215HW01 V000 XM AUO E750 750GLU215H1013N0...

Page 88: ...18018 32 D022217 Q41G780068025C EU WARRANTY CARD NON ZBD Diversity of TIRAABNBX9USAN compared with TIRMABNTXCUSAZ Location Part No Description Remark E08901 089G404A18N CX POWER CORD E08901 089G404A18N YH POWER CORD 32E1818018 32 D022217 2nd source E750 750GLU215H1013M0AS PANEL M215HW01 V000 XM AUO E750 750GLU215H1013N000 PANEL M215HW01 V00 XM AUO 2nd source E750 750GLU215H1023M0AS PANEL M215HW01 ...

Page 89: ...source E750 750GLM216H1111N000 PANEL M216H1 L01 21 6 W CMO TW 2nd source E750 750GLM216H1112M0AS PANEL M216H1 L01 C1 NB CMO E750 750GLM216H1112N000 PANEL M216H1 L01 NB CMO 2nd source 756GQ8CB CA017 MAIN BOARD CBPCRABUSQ2 SMTCR U402 100GCMMI006N41 MCU ASS Y 056G1133 81 A15G0475201203 MAINFRAME A34G0889ADJD1B 30 BEZEL 21 6 A34G0890ADJ 1B 30 REAR COVER 22 U402 056G1133 81 SST25LF020A 33 4C SAE ...

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