Home

http://www.wjel.net

1. VDVI VMPLL VPLL AVDD _ VCC3 3 FB407 VDDP VCC3 3 FB406 AVDD CY Y CY Y e tme 2 600 OHM 2 vccaa 600 OHM oo 94 4 anana 11 22 old mx Ss so 107 PAO 3 gt 8 88 8 NCILVACKMING 108 PA C430 431 C432 C433 umen 3 GNDR 2 8 RINMZZ gt lt 2 RAIP LVA2P RA2 149 522 229p 3 GIN GINOP RATN LVA2M RA3 7144 pag 3 GNDG gt 7 GINOM RA2P LVA1P RA4 3 506 2 54 SOGINO RA2N LVA1M RAS BAS 3 BIN BINOP RASP LVAOPIRAG 113 PAE 2 53 VCC3 3 VDVI VCC1 8 VDDC 3 GNDB BINOM 7 FRAUS 5109 gt 3 VSYNC HS 2 VCC3 3 2 1 8 SDA DB 65 99 600 SCL DB 66 SDA NC 100 DDCA SCL NC 101 C44 39 NC 7105 3 R NC GA3P LVA3P GA6 406 PA9 10uF 50V 3 R mme NC GA3N LVA3M GA7 3 Gt asl C436 C437 C442 C443 C445 444 3 43 d 89 PA 0 9 5 0 4uF 8WuF 16V E 0 047 047 047 047 3 B NC NC e NC NC VCC3 3 Fp409 VMPLL VPLL NC NG Cos gt NC NC SDA DVI 216 nn SCL DVI 2 N 600 9 6438 RB1P NC RB2 Hig RB1N NC RB3 R442 15 0 14 16 AVDDO REXT RB2N NC RB5 RB3P NC RB6 5 390 1 16W 18 0 1uF BX u
2. 11 8 1 Equipments and Tools Requirement 29 4 2 Power Supply Requirements 11 8 2 Trouble 34 4 3 Factory Preset Display Modes 12 9 White Balance Luminance adjustment 40 4 4 Panel 13 10 Monitor Exploded 42 5 BIOCK 16 une 43 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 CAUTION USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 19 LCD Color Monitor ASUS VB191D Revision List Release Date Revision History TPV Model Name Aug 06 2007 Initial release T97HMWDDHGUSN 19 LCD Color Monitor ASUS VB191D Important Safety Notice Proper service and repair is important to the safe reliable operation of all AOC Company Equipment The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is important to note that this manual contains
3. NA 8 C821 CA E1 E R801 R810 3KO 1 10W R854 51K 1 8W 68K 1 1 10W R803 Q807 1M 1 10W 5 PMBS3904 47K 1 10W C825 R820 R831 R805 R824 0 1uF 25V 47K 1 10W 2 4K 1 1 10W NC R826 1K 1 10W 1 1K 1 10W 1 C834 R835 C845 R862 0 1uF 25V 1M 1 10W 5 2 2uF 16V 1M 1 10W 596 TPV Top victory Electronics Co ltd itle 2 INVERTER ize Document Number Rev CustbneDoc 715G2538 1 Date Wednesday June 06 2007 heet 26 19 LCD Color Monitor ASUS VB191D 7 PCB Layout 7 1 Main Board 715G2571 1 2 71562571 1 2 01703 um C708 CN701 07 2 24 amp 4 R451 04 amp eL T1 CC R714 1 1 Un pep _ ls Y 5 875 H 43 5 E i Q 1 87098445 5703 6709 84581 1 R708 R45 i R484 ae 46 R4 ciel 7061 1 8 B 24 9 27 19 LCD Color Monitor ASUS VB191D 19 LCD Color Monitor ASUS VB191D 7 2 Power Board 715G2538 1 C802 CAUTION HIGH VOLTAGE J810 D907 CN801 0905 CN802 T801 aa J814 J904 HS2 J815 J804 4811 5 5 1 94V0 4813 v Joc T802 J802 D81
4. R715 NC pus lt 4 NC Q705 NC 5V R704 748 10K 1 16W 40K 1 16W 705 N 4K74 16W oar on BACKLIGHT f 02702 3924 5V VLCD VLCD R708 R710 10K 1 16W 10K 1 16W R711 Q703 AO3401 51K 1 16W 4 on Panel gt PMBS3906 0 1uF 16V 8712 T lt TQuF SOV 1 10W 21 ASUS VB191D 4 gt C706 55 10uF 50V B SOT 223 U702 VCC1 8 18 4 C708 10uF 50V T 0 1uF 16V Power ize Document Number 715G2571 1 2 Date Monday May 07 2007 Sheet 19 LCD Color Monitor 1 RED ASUS VB191D FB401 ORO5 1 10W R404 C404 0 047uF RIN 4 iiia di 60 1 1 16W 2 GREEN FB402 ORO5 1 10 R406 C406 0 047uF GIN 4 TT od FB403 1 10W R408 C408 0 047uF BIN 4 1 1 16W PC5V z z R410 470R 1 16W C410 0 047uF SOG 4 PC5V VGA_CON v R405 100R 1 16W C405 0 047uF GNDR 4 R407 100R 1 16W re GNDG 4 R409 100R 1 16W caog 0 C47uF GNDB 4 5V ZD402 9 5 o 3 2 4 9 R411 9 10K 1 16W DET DVI R424 C V 5 2 3 4612 INPUT DET 4 120 OHM uas R416 1 1 16W 70403 70404 5 VSYNC 4 ZD401 R413 C411 R415 412 2K2 1 16W 33pF 2K2 1 16W 220pF MM3Z5V6B MM3Z5V6B 275 6
5. T connected Reset Circuit 1 PWN2 GPIO P24 18 Ei XO US SF WP 10K 1 16W 5V GPIO_P27 PWM1 75 5V 5V xp XN 2 4 GPIO_P22 R458 T 20 GPIO_P12 gt of BACKLIGHT 2 PWM1 GPIO_P25 21 gt 2 gt TOK TEN iin C429 22pF XOUT 33 22 AN N N R459 A20K 1 16 R465 2400 1 16W R469 2400 1 16W 14 3 Mhz XOUT RSTN 23 447 228 1 16W GPIO POO SAR1 24 R461 100R 17164 KEY 1 DET 3 1K 1 16W GPIO_P01 SAR2 25 R46 100R 1 16W X KEY 1K 1 16W GPIO PO2 SAR3 w 2 0 1uF 16V 4 27 R460 100R1 16W ROWER Q403 Q404 GPIO 55 URP S MN ZX Z lt PANEL 2 PMBS3906 ox PMBS3906 enc i on 116W M 1 16W za ES RIGBY 2867 111881 VCC3 3 102 0 GPIO P10 I2C MCL MODE 1 GPIO_P11 I2C_MDA 2000000 R449 R451 RON ANS RSDS LVDS TTL TSUM16AWK LF xm Want Mam gt gt Se 10K 1 16W 10K 1 16W 0 0 Z A 100R 1 6W R474 St00R 116W 2476 SEL 208 2 9476 SDA GND 24 16 IA I2C 12 5V 5V 12V R492 Q406 R500 Q408 NC 2N7002E 2 12V NC 116W CN403 SCL R421 494 SCL DB 499 5 R485 8493 lt bbcp R501 PDCA SCL 3 3518 AUDIO STBY
6. BOARD POWER BOARD WAFER WAFER WAFER WAFER LABEL 25X6MM RTV IC903 IC PC123Y22FZ0F NR901 8 OHM NCT R908 100KOHM 5 2W R914 0 22 OHM 5 2W C903 0 47UF 275VAC ARCO C801 10PF J 3KV SL C811 10PF J 3KV SL C901 Y2 1000PF M 250VAC Y5P C902 Y2 1000PF M 250VAC Y5P I 19 LCD Color Monitor ASUS VB191D C921 4700 20 400VAC L903 IND CHOKE 1 1UH DADON 1904 0736 2631016 CHOKECOIL1 1UH 804110055 T901 X FMR 510UH YS04160061 T801 X FMR 1 12H YS04170127 T802 X FMR 1 12H YS04170127 CN901 0876 50132 S AC SOCKET BD901 BRIDGE DIODE 2086 1 0907 09363006 1 1 31DQ06FC3 N HON INTER CN902 HARNESS 210 Q901 057G 667 21 SIPTONKTOZFP 090G6263 1 I HEAT SINK 00 101730 8120 GP SCREW 7056 193 93 0152 71 0806 ASS Y 093G 60218 5810100 am 4 0807 0576417 4 PMBS3904 PHILIPS SMT 04 04 04 06 06 Q806 PMBS3904 PHILIPS SMT Q801 PMBS3904 PHILIPS SMT Q812 PMBS3906 PHILIPS SMT Q804 PMBS3906 PHILIPS SMT Q809 RK7002 Q810 RK7002 Q808 PDTA144WK SOT346 Q805 PDTC144WK SOT346 Q802 AM9945N I 19 LCD Color Monitor ASUS VB191D R822 RST CHIPR 1 KOHM 1 1 10W R824 RST CHIPR 1 KOHM 1 1 10W R826 RST CHIPR 1 KOHM 1 1 10W R925 RST CHIPR 1 KOHM 1 1 1007 R942 061G0603100 1F RST CHIPR 1 KOHM 47 155 1 10W R926 06160603100 2 RST CHIPR 10 1 56 1 10W
7. Input Select In this function you can select either VGA or DVI input source Only for some models System Setup Allow you to adjust the system Volume the adjusting range is from 0 to 100 3 is a hotkey to activate this function OSD Setup adjusts the horizontal postition H Position and the vertical position V Position of the 0509 The adjusting range is from to 100 In the OSD Timeout selection you can adjust the OSD timeout from 10 to 120 For DDC CI setting you can switch ON or OFF Language there are tenJanguages for your selection including English German Italian French Dutch Spanish Russian Traditional Chinese Simplified Chinese Japanese and Korean Information shows the monitor information Reset Yes allows you to revert to the preset mode 10 19 LCD Color Monitor ASUS VB191D 4 Input Output Specification 4 1 Input Signal Connector Analog connectors ___ Pinno __ tee e Res Grins meam 5 VGA connector layout 4 2 Power Supply Requirements A C Line voltage range 100 V 240 V A C Line frequency range 50 3Hz 60 3Hz 90 264 voltage AC for 10 sec 940 Current 1 5A max 100V 0 8A max at 240 lt 60 peak at 240 VAC and cold starting 30A peak at 120VAC and cold starting No advance effects no loss of information or defect Input Voltage tran
8. R486 ANC AAA AUDIO MUTE R484 NC VOLUME Q405 R496 R504 NC Q409 NC 1 16W 2N7002E SDA DVI Title m DDCD_SDA 3 DDCA SDA 3 SCALER Size Document Number Rev G 715G2571 1 2 A Monday May 07 2007 23 19 LCD Color Monitor ASUS VB191D CN703 LVBOM RXOO 1 2 LVBOP LVB1M RXO1 3 4 RXO1 LVB1P LVB2M RXO2 5 6 2 LVB2P 9 LVBCKM 7 LVBCKP 4 0 9 gt PAO LVACKP LVB3M RXO3 9 10 RXO3 LVACKM LVAOM RXEO 11 12 RXEO LVAOP PA2 LVA2P LVA1M 13 14 RXE1 7 SAVATP PA3 LVA2M LVA2M RXE2 15 16 gt LVA2P PAA LVA1P LVACKM RXEC 17 18 RXEC VLVACKP 5 LVA3M RXE3 19 20 RXE3 gt DVA3P PAG LVAOP 21 22 PAT LVAOM 23 24 NS PA8 LVA3P 9 VLCD 4 PB o g PBO LVB3P LVB3M PB2 LVBCKP PB3 LVBCKM R714 LVB2P 29F 50V 3000 1 4 3000 1 4W PBS LVB2M PB6 7 LVB1M RA PB9 LVBOM itle PANEL INTERFACE Document Number 715G2574 1 2 Date Monday 07 2007 heet 24 19 LCD Color Monitor ASUS VB191D 6 2 Power Board 715G2538 1 100 1 4W R918 F902 0805 1 4W 100 1 4W 8919 1904 C912 1 1uH 0 001uF 100 1 4W R920 N C917 C918 C92 A 680uF 25V 680uF 25V NC T901 1 3 ZD901 4
9. only and focus VGA only from this main function 3 Color Select the image you like from this function Menu S Exit Brightness the adjusting range is from O to 100 is a hotkey to activate this function Contrast the adjusting range is from O to 100 Sharpness the adjusting range is from 0 to 100 Saturation the adjusting range is from 0 to 100 Swith ON or OFF THE ASCR function This function is fot some models only Position adjusts the horizontal postition H Position and the vertical position V Position of the image The adjusting range is from O to 100 Focus reduces Horizonal line noise and Vertical line ose of the image by adjusting Phase and Clock separately he adiusting range is from 0 to 100 Phase adjusts the phase of the pixel clock signal With a wrong phase adjustment the screen shows horizontalaisturbances Clock pixel frequency controisthenumoer of pixels scanned by one horizontal sweep the frequency is r ot correct the screen shows vertical stripes and the image is A ot oroportional Skin Tone Menu 6 S Exit Color Temp contains five color modes including Cool Normal Warm sRGB and User mode okin Tone contains three color modes including Reddish Natural and Yellowish In the User mode colors of R Red G Green and B Bluee are user configurable the adjusting range is from 0 100 19 LCD Color Monitor ASUS VB191D 4
10. 06560402473 12 0 047 16V X7R C406 06500402473 12 CHIP 0 047UF 16V 409 0716 562601 KCHIP BEAD 600 OHM 0805 FB408 0716 567601 AK CHIP BEAD 600 OHM 0805 407 071G 567601 CHIP BEAD 600 OHM 0805 FB406 071G 562601 CHIP BEAD 600 OHM 0805 FB404 071G 59B121 TB160808B D412 0930 6442 P BAV70 SOT23 BY PAN JIT D401 093G 64335 DIODE BAV99 SEMTECH D402 0930 64335 DIODE BAV99 SEMTECH D403 0936 64335 DIODE BAV99 SEMTECH 20406 093G 39P599 MM3Z5V6B ZD405 MM3Z5V6B ZD404 MM3Z5V6B ZD403 MM3Z5V6B ZD402 MM3Z5V6B ZD401 MM3Z5V6B D414 LL4148 D701 SMAL140 MAIN BOARD PCB A 19 LCD Color Monitor KEPC7QAA5 ASUS VB191D KEY BOARD KEYBOARD C101 CHIP 0 1UF 50V Y5V C102 CHIP 0 1UF 50V Y5V C103 CHIP 0 1UF 50V Y5V C104 CHIP 0 1UF 50V Y5V C105 CHIP 0 1UF 50V Y5V SW105 TACT 5W 15 9 7 553 SW104 0770 604 2 TACT 5W BY TOUKE TS 9 TMG 553 SW103 0770 604 2 SW102 0770 604 2 TACT 5W BY TS 9 TMG 553 SW101 0770 604 2 TACT 5W BY TS 9 TMG 553 LED101 0816 14 12 CHti2 4 ZD101 093G 39P599 T 20102 093G 39P599 715G2546 2 PWPC942HU3 CN801 03368021 267 CN802 03368021 2E F CN803 6033630212E 804 03368021 2E 040 745762420 051G 6 4503 TACT SW BY 9 553 MM3Z5V6B MM375V6B
11. Compliance _ Compatible 4 4 2 Display Characteristics ltem QW Outline dimensions 89673247 1680 m Display area 376 32 19 0 diagonal Number of Bhe Pixel pitch Pixel arrangement RGB Vertical Stipe To _ Dispaycdor o Coortempeaue _ 0 Display mode 0 Surface treatment ntgare Weg Backlight Top amp bottom edgeside mower consumption 13 19 LCD Color Monitor ASUS VB191D 4 4 3 Electrical Characteristics 1 TFT LCD Veynofrequency _ n 56 6 Hz _ n 80 Input rush _____ e 2 Backlight Min 5 089 1 SN NEZ N KHz 19 LCD Color Monitor ASUS VB191D 4 4 4 Optical Characteristics Item Symboi Rising Response time 5 0 10 msec Falling cd m Unit 8 TI E A White luminance center of screen NO C OO N ZV O 0 000 0 641 Normal 0 337 viewing angle 0 304 CIE1931 OR 5 Viewing angle E Hor SSS 75 85 Vents erie Sr 8 ASUS VB191D 19 LCD Color Monitor 5 Block Diagram 5 1 Software Flo
12. R108 6102 T1 20 R106 01 LILI R103 LI R107 71562546 2 _SW102_ _ 104 _ 54105 ID z AUTO OI LEFT RIGHT Ol POWER Ol Het h M 28 Mio d al gt LL SA lt 32 19 LCD Color Monitor 8 Maintainability 8 1 Equipments And Tools Requirement Voltmeter Oscilloscope Pattern Generator DDC Tool with Compatible Computer Alignment Tool LCD Color Analyzer Service Manual p 24 88 ED os d User Manual 33 ASUS VB191D 19 LCD Color Monitor ASUS VB191D 8 2 Trouble Shooting 8 2 1 Main Board 1 No Power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal OK NG Reinsert or check the section Measure U701 PIN2 3 3V Measure U702 PIN2 1 8V Replace D701 U701 or U702 X401 oscillate waveform NG _ _ Replace X401 YA Replace 0401 N are normal OK 34 19 LCD Color Monitor ASUS VB191D 2 No Picture Measure U701 PIN2 3 3V Measure U702 PIN2 1 8V NG OK Replace 0701 0701 0702 X401 oscillate waveforms are normal NG Replace X401 NM Check if the sync signal from computer is output and video cable NG Replace 0401 Input the sync signal of
13. 0 RST 0 5 1 4 JR802 061G1206000 RST CHIPR 0 OHM 5 1 4W JR803 061G1206000 RST ChIPRO OHM 5 1 4W JR801 061G1206000 OHM 5 1 4W R967 061G1206000 RSJ CHIPR 0 OHM 5 1 4W JR901 061G1206000 RST CHIPR 0 OHM 5 1 4W JR809 061G1206000 NV RST CHIPR 0 OHM 5 1 4W JR808 061G1206000 RST CHIPR 0 OHM 5 1 4W JR807 061G1206000 RST CHIPR 0 OHM 5 1 4W JR805 06151206000 RST 0 OHM 5 1 4W JR804 06161206000 RST CHIPR 0 OHM 5 1 4W R910 06161205100 RST CHIP 1 4W 5 R909 061521206100 RST CHIP 1 4W 5 R918 061G1206101 100 1206 R919 100 1206 R920 100 1206 R935 100 1206 R961 100 1206 R962 100 1206 R855 RST CHIPR 33 OHM 5 1 4W R857 RST CHIPR 33 OHM 5 1 4W R904 RST CHIPR 4 7 KOHM 5 1 4W R932 RST CHIPR 4 7 KOHM 5 1 4W 51 19 LCD Color Monitor ASUS VB191D R933 RST CHIPR 4 7 KOHM 5 1 4W C823 CHIP 2200PF 25V X7R C819 CHIP 2200PF 25V X7R C816 CHIP 2200PF 25V X7R C815 CHIP 2200PF 25V X7R C840 1000PF 50V NPO C839 1000PF 50V NPO C931 CHIP 0 10 50V C930 06560805104 32 CHIP 0 10 50V C916 06560805104 32 CHIP 0 10 50V X7R C907 06560805104 32 CHIP AA 50V X7R C824 065G0805104 32 CHti2 0 115 50V X7R C805 06560805104 32 CHIFLO 1U 50V X7R SASS C822 065G0805105 22 CHIP 1UF 25V X7R 0805 C928 065G0805122 31 NN CHIP CAP 0805 1200PF J 50V NPO 820 065G080
14. 0W gt R712 RST CHIPR 10 4 5 1 40 FB405 0OHM4MOW R713 06161206301 RST CHIPR 300 OHM 5 1 4 R714 061G1206301 RST CHIPR 300 OHM 5 1 4W C451 06560402102 32 1000 4 1096 59 X7R C452 06560402102 32 1000PF 10 50V X7R C453 065G0402102 32 1090 10 SOV X7R C710 065G0402104 15 0402 0 1UF 16V C709 065G0402104 15 N MLCC 0402 0 1UF K 16V X5R C707 065G0402104 15 MLCC 0402 0 1UF 16V C705 0656040210475 0402 0 1UF 16V X5R C704 06560402104 15 MLCC 0402 0 1UF K 16V X5R C447 06569402704 15 MLCC 0402 0 1UF K 16V X5R C446 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C440 06560402104 15 MLCC 0402 0 1UF K 16V X5R C439 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C438 MLCC 0402 0 1UF K 16V X5R C437 MLCC 0402 0 1UF K 16V X5R C436 MLCC 0402 0 1UF K 16V X5R C424 MLCC 0402 0 1UF K 16V X5R C403 MLCC 0402 0 1UF K 16V X5R C402 MLCC 0402 0 1UF K 16V X5R C401 MLCC 0402 0 1UF K 16V X5R C428 CHIP 22PF 50V NPO C429 CHIP 22PF 50V NPO gt o 19 LCD Color Monitor ASUS VB191D C412 MLCC 0402 CAP 220PF J 50V X7R C445 CHIP 0 047UF 16V X7R C444 CHIP 0 047UF 16V X7R C443 CHIP 0 047UF 16V X7R C442 CHIP 0 047UF 16V X7R C435 CHIP 0 047UF 16V X7R C431 CHIP 0 047UF 16V X7R C430 065G0402473 12 CHIP 0 047UF 16V X7R C410 065G0402473 12 CHIP 0 047UF C409 065G0402473 12 CHIP 0 047UFM6V X7R C408 06560402473 12 CHIP 0 047UFM6V X7R C407
15. 16W R451 RST CHIPR 10 KOHM 5 1 169 R457 06160402103 RST 10 KOHM 5 1 16VV R473 061G0402103 RST CHIPR 10 KOHM 5 76 1 16W R458 061G0402103 RST CHIPR 10 5 A 16W R459 061G0402203 RST CHIP 20K 1 16W 5 R446 061G0402220 RST CHIPR 22 5 1 16W R447 061G0402220 RST 22 OHM 5 1 16W R415 061G0402222 GHIPRZ2 2 KOHM 5 1 16W R413 061G0402222 CHIPR 2 2 KOHM 5 1 16W 456 06160402223 22 KOHM 5 1 16W R466 061G0402241 R470 061G0402241 RST CHIP 240R 1 16W 5 RST CHIP 240R 1 16W 5 R442 061G0402390 0F RST CHIP 390R 1 16W 1 R499 06160402470 RST 47 OHM 5 1 16W R502 06169402470 RST CHIPR 47 OHM 5 1 16W R503 061G0402470 RST CHIPR 47 OHM 5 1 16W R506 061G0402470 RST CHIPR 47 OHM 5 1 16W R702 061G0402470 RST CHIPR 47 OHM 5 1 16W R410 RST CHIPR 470 OHM 5 1 46W R500 RST CHIPR 4 7 KOHM 5 1 16W R504 RST CHIPR 4 7 KOHM 5 1 16W R703 RST CHIPR 4 7 KOHM 5 1 16W R705 RST CHIPR 4 7 KOHM 5 1 46W R709 RST CHIPR 4 7 KOHM 5 1 16W R418 RST CHIPR 4 7 KOHM 5 1 16W R420 RST CHIPR 4 7 KOHM 5 1 16W R468 RST CHIPR 4 7 KOHM 5 1 16W I 19 LCD Color Monitor ASUS VB191D R464 RST CHIPR 4 7 KOHM 5 1 16W R402 RST CHIP 75 OHM 1 16W 1 R403 RST CHIP 75 OHM 1 16W 1 FB403 RST CHIPR 0 OHM 5 1 10W FB402 RST CHIPR 0 OHM 5 1 10 FB401 RST CHIPR 0 OHM 5 4 1
16. 19 LCD Color Monitor ASUS VB191D Service Service ENERGY STAR Horizontal Frequency 30 82 KHz TABLE OF CONTENTS Description Page Description Page Table Of 1 5 1 Software Flow 16 Revision EISE 21 22 ee eee ee 2 5 2 Block Diagram Important Safety 3 6 5 20 1 Monitor 5 6 1 Main 20 2 1 Monitor 6 2 Power 25 3 Operation 6 27 3 1 General 22 2 2 6 7 1 27 3 2 Control Button V LL Lus 6 P OWer BOW d u UE LE ELE 30 3 3 50 Menu Key BOI 32 4 Input Output gt gt 11 8 33 4 1 Input Signal
17. 3 10904 8 4 8 71562538 1 CAUTION VOLTAGE C811 gt LL l 5 A CN804 w lt gt ees lt gt OHESEPa LJ e O lt ox gt 5 7 KY 30 19 LCD Color Monitor ASUS VB191D O L903 Kim R967 2 7801 CN801 an lt amp C917 C918 C922 3 L 263 CI 9 1 JR801 8802 825 R851 8807 0842 0905 m R839 gt R831 J806 2 R827 CN802 s 3 Fes 0817 8841 188 25 Sm om 8 C921 POSITION 8220 581 2 8 ue rum n 8 0803 4803 R CIO 8808 R 2 2 8 cem 8816 0804 88091 A 8810 3 L JR808 e LI 1 pm 817 RB34 0903 3 1 RES g R909 2 8 D901 2 Q812 7 3 0813 S 8 JR901 71 g 0901 a amp JR805 LJ 1903 7 C907 gt 4801 al 81 mni LI b o 8905 906 R907 2 T 8 _ 5 R904 R932 R933 4902 CN804 e 8 L902 C901 C902 CN803 p Q LI Q 31 19 LCD Color Monitor ASUS VB191D 7 3 Key Board 715G2546 2 R101 R102 CI 20103 R105 70105
18. 522131G 220PF 50V NPO 2 C911 0656080522422 0 22 UF 25V X7R C909 06550805224 32 0 22UF K 50V X7R C845 06569805225 12 CHIP 2 2UF 16V X7R 0805 C912 065G1205102 72 CHIP 1000PF 500V X7R C929 06561206102 72 CHIP 1000PF 500V X7R D805 093G 6438 D DIODE BAW56 DIODES D808 DIODE BAW56 DIODES D809 IN4148W D916 IN4148W D915 IN4148W D903 IN4148W D817 IN4148W D814 IN4148W D806 IN4148W D801 BAV99 N 19 LCD Color Monitor 0802 BAV99 D803 D804 ZD921 RLZ15B LLDS ZD922 RLZ5 1B LLDS CN901 EYELET IC904 KIA431A AT P TO 92 C938 1 5NF 2KV Y5P 10 C906 1 5NF 2KV Y5P 10 C908 067G215Y2207KT CAP 105 22UF M 50V KINGNICHI FB901 FERRITE BEAD F901 FUSE 4A 250V WICKMANN D901 PS102R D900 BA159GPT DO 41 CHENMKO POWER BOARD PCB COMPOUND PALLET RATING LABEL TRY ME LABEL Too OS LABEL S SPLENDID LABEL VB191D ZBD CHINA WARRANTY CARD PAPER CAP Q44G9091 1 PSR 04469091 2 Q44G9091680 24 119 LCD CARTON 0456 7628V13 BAG 0456 8860725 PE BAG FOR 0456 88609 87 COVER FOR MONITOR OUT PE BAG ASUS BIG TAPE TAPE FIX FOR ASUS 0526 718569 5266019 24 E095 5956801830154 LVDS ASS Y 033F303SM24K30 PK2407P30 TDOO 30LH DF11 24DS 2C DF11 2428SCF TDOO T 2407PS 00 LABEL PE BAG MANUAL CD MANUAL VB171191 53 ASUS VB191D UJ UJ gt lt lt cO
19. 9 D906 T D Q SP10100 NG BD901 KBP208G R904 C906 R908 1 4 1500pF 2KV 5 100K 2W 7 8935 100 3 1 C938 C905 D 1500pF 2KV 100uF 450V D905 C929 NC R967 6 11 R961 100 1 4 0 001uF 0805 1 4W R932 R906 4 1 4 BA159GPT 10 1 1203 1 1uH VCC 0901 R909 R962 100 14 PS102R 10R 1 4W 1 C91 2 A 470uF 16V 908 R940 22uF 50V R933 D907 33K 1 10W 1 4W 3 12 31DQ08FC C939 P Gen SERI cT S4n00ur 25v 1K5 1 10W Vcc DRAIN D903 LLA148WP GND HVS R927 CTRL SENSE 0901 20921 70922 5 10 707 RLZ15B RLZ5 1B 1 901 R910 7 1 903 R925 TEA1530AT 10R 1 4W 123 2 PZOF 1 10WA R917 10K 1 8W 1K 1 8W NN R912 D915 D916 22K 1 1 8W 0928 LL4148WP LLA148WP 2 04 5 25 C902 R913 C909 R914 0 001uF 250V 8911 NC 0 22uF 50V 022 2 1K 1 8W R926 R942 16204 10K 1 1 10W 1K 1 10W 196 x R916 x lt 1K5 1 8W 8930 2 4K 1 1 10W R931 C928 C921 8 2 1 8W 0 0012uF 0 0047UF 400V C903 0 47uF 275V CN902 WIRE HARNESS R903 R902 R901 N HS1 HS2 680K 1 4W 680K 1 4W 680K HEAT SINK D906 NC 1 1 2 2 VAR901 NC 453 GND1 NR901 HEAT 0901 GND oNTCR O CA 4 0A 250V 1 N 1 F901 2 2 FUSE 5 1 TPV Top victory Electronics Co ltd itle 2 1 1 POWER CN901 ize Document Number SOCKET lt Doc gt 715G2538 1 Wednesday
20. C413 D lies 0 22uF 16V 51R 1 16W Mas 2 4 j SDA VGA l p s5 SDA VSS 51R 1 16W ZD405 20406 CN402 25 4 DDCA SDA 26 MM3Z5V6B MM3Z5V65 4 DDCA SCL lt JDDC WP 27 5V DVI5V RGB GND 52 HSYNC lt N CNC gt VSY NC 15 DET DVI R427 NC D413 SYNC GND 6 SGL DVI DVI5V USE T DW AA NC NIS 14 YX s C T i 16 20407 20408 20409 20410 Q401 R431 1 3shield R423 HDCP_RST 4 NC 18 DATO DATO 4 DATO 40 ____ p mam 1 1 P pr 1 DAT T 4 4 DDCD 50 13 4 4 DDCD_SCL lt lt 4 21 5V 20 R450 23 DCLK R438 NC CLK 4 SL 9 g DCLK R43 NC 4 NC D404 ow 7 0406 407 el 0408 el 409 0410 a NC 1 9 PA D411 ESD 5V ay C416 C417 C418 C419 C421 422 C423 1 NC NC NC NC NC NC NC NC INPUT 7 eerie NC NC NC NC NC NC Size Document Number 715G2571 1 2 Monda D ate May 07 2007 heet 22 4 4 19 LCD Color Monitor ASUS VB191D
21. CD Color Monitor ASUS VB191D CN703 CONN W TO B12P 2 P 2 0 4505 2 C702 KY25VB100M CC3 6 3 11 CN401 088G35315F H D SUB 15PIN X401 0936 22538 J 14 31818 2 85 U401 TSUM16AWK LF PQFP 128 MST 7775 U702 IC AIC1117A 18PYTR R 50 223 U701 AIC1117 33PYTRRAIG gt 1403 M24C02 WMN6TP 1406 M24C16 WMN6TP U402 05661133713 IC 251 0103 1005 501 6 0402 0576 417 4 PMBS3904 PRILIPS SMT 04 04 0701 PMBS2904 PHILIPS SMT Q702 PM S3904 PHILIPS SMT 04 Q403 0576417 6 PMBS3906 PHILIPS SMT 06 057G417 6 PMBS3906 PHILIPS SMT 06 057G 417 6 PMBS3906 PHILIPS SMT 06 057G 758 1 2N7002ESOT23 SILICONIX 0576 758 4 gt 2N7002ESOT23 SILICONIX 0576 76304 003401 SOT23 BY AOS A1 06160402101 RST CHIPR 100 OHM 5 1 16 06460402101 RST CHIPR 100 OHM 5 1 16W R472 106160402101 RST CHIPR 100 OHM 5 1 16W R462 061G0402101 RST CHIPR 100 OHM 5 1 16W R461 RST CHIPR 100 OHM 5 1 46W R460 RST CHIPR 100 OHM 5 1 16W R409 RST CHIPR 100 OHM 5 1 16W R407 RST CHIPR 100 OHM 5 1 16 R405 RST CHIPR 100 OHM 5 1 16W R720 RST CHIPR 1 KOHM 5 1 16W R416 RST CHIPR 1 KOHM 5 1 16W R414 RST CHIPR 1 KOHM 5 1 16W R412 RST CHIPR 1 KOHM 5 1 16W 19 LCD Color Monitor ASUS VB191D 2469 RST CHIPR 1 KOHM 5 1 16W R444 RST CHIPR 10 KOHM 5 1 16W R445 RST CHIPR 10 KOHM 5 1 16W R449 RST CHIPR 10 KOHM 5 17
22. EL 4 Normal color Normal color temp parameter is x 299 20 y 315 20 Y2180cd m2 C MEM CHANNEL 9 Cool color Cool color temp parameter is x 283 20 y 297 x20 Y2160cd m D MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 20 y 329 20 Y 150 x1 5cd m 3 Into Factory mode of ASUS VB191D Press the MENU button pull out the power cord and ther 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 cursor to and press MENU key A Adjust Warm 6500K co lor 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 The LCD indicatoron chroma 7120 will show x 313 20 329 20 Y2180cd m 4 Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE of color3 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 B Adjust Normal 7500K color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 4 with up or down arrow on chroma 7120 3 The LCD i
23. F 16V CN404 VCC3 3 RB3N NC RB7 VCC3 3 C424 REFP 2 OUT L 2 1 OUT R GB1P NC GB2 1 5 7 7 GB1N NC GB3 6 61 LED G 6 5 LED A 6 12V POWER 8 7 KEY1 C453 GB2N NC GB5 1000pF Cpu ca C451 2 10 9 p R443 U402 8 R478 1000pFKEY3 12 11 C452 00 10 GB3N NC GB7 Ne Cs HOLD 1 72 1 052 CLKAP LVB3P LHSYNC 8 80 gt 9 570 Ne WP Fg SCK CLKAN LVB3M LVSYNC 7155 pgs 5 Z di 77 2 CLKBN LVBCKMILDE 122 5V ZD413 R480 Rae NC LVB2P NC gt NC LVBOM ING PBS II C NC NC R444 124 __ BB1P LVB1P BB2 ho NY New Key port define R719 AUDIO AUDIO MUTE BB1N LVB1M BB3 F y 10K 1 16W 126 PES NC 2 0414 479 ANC 11 R42 AN Q412 128 NG Ng BB3N NC BB7 10uF 50V Nc 80 VCC3 3 5V Detect 14148 Nc 81 d Pull High 4 7K 1 16 Voltage 19 RST NC 88 201 R454 R514 D Sub gt d 86 NC NC 1K 1 16W 877 R445 NC ss 20070308 Only 16 0 8 116W Nc DVI PO RESET NC H DDC WP 3 Only 2 2K 1 16 i NC I VCCGND 74 R456 22K 1 16W Q402 Bore 7 NC Pn 7 J er S PMBS3904 connected i GPIO P46 PWM2 09 Both Not Reset Circuit 2 GPIO_P15 PWMO Adi 2 2457 o o 5v 4
24. June 06 2007 Date heet 25 19 LCD Color Monitor 12V 0 ON OFF DIMO F801 0805 1 4W 3 6KOHM 1 10 R804 Q801 100 PMBS3904 R823 3 6KOHM 1 10W 0805 PDTC144WK Q804 3906 9 R839 1 Oohm 1 C807 0 1uF 25V PMBS3904 R850 PMBS3906 Oohm 1 1 R827 Oohm 5 1 10W R853 68K 196 1 10W Q806 PMBS3904 R808 1 10 D817 LL4148WP 1 1 10W D809 LL4148WP C822 1uF 25V R832 10K 1 10W 470uF 25V 1C801 R837 47K 1 8W ASUS VB191D b T801 POWER XFMR 3 R817 R821 8 10K 1 10W 1K 1 10W 1 R855 33 1 4W C819 0 0022uF C801 10pF 3KV R801 R814 1K 1 10W 196 7 9 1K 1 10W 1 R828 R822 10K 1 10W 1K 1 10W 196 T802 POWER XFMR 0 0022uF 1 8 470uF 25V C811 10pF 3KY a R833 R809 10K 1 10W 1K 1 10W 1 Q803 9945 11 C840 1000pF C815 0 0022uF R815 1K 1 10W 196 R834 R812 10K 1 10W 1K 1 10W 1 R816 1K 1 10W 1 R841 68K 1 1 10W R829 22R 1 8W 4 R825 22R 1 8W he een R806 68K 1 1 10W D814 LL4148WP IN2 JR803 gt RB VREF S SS SE n e 1K 1 10W 196 LLA148WP
25. R813 06160603100 2 RST CHIPR 10 120 1 10 R808 061G0603100 2F RST CHIPR 10 1 1 10W R834 061G0603100 2F RST CHIPR 10 1 1 10W R833 061G0603100 2F RST 10 KOHM 1 1 10W R832 061G0603100 2F CHIEPR 10 KOHM 1 1 10W R828 06160603100 2F RSJ CHIPR 10 KOHM 1 1 10W R817 06160603100 2 R862 061G0603105 4 RST CHIPR 10 KOHM 1 1 10W RST CHIPR 1 MOHM 5 1 10W R817 _ 061G0603105 72 RST CHIPR 1 MOHM 5 110W 06160603120 2 RST CHIPR 13 KOHM 1 1 10W 06160603240 RST 2 4 KOHM 1 1 10W R930 06160603240 RST CHIPR 2 4 KOHM 1 1 10W 8811 06160603240 RST CHIPR 2 4 KOHM 1 1 10W R940 061G0603330 2F RST CHIPR 33 KOHM 1 1 10W R927 RST CHIPR 3 6 KOHM 1 1 40W R823 RST CHIPR 3 6 KOHM 5 1 10W R819 RST CHIPR 3 6 KOHM 5 1 10W R861 RST CHIPR 390 KOHM 1 1 10W R820 RST CHIPR 47 KOHM 1 1 10W R803 RST CHIPR 560 KOHM 5 1 10W R807 RST CHIPR 68 KOHM 1 1 10W R854 RST CHIPR 68 KOHM 1 1 10W R853 RST CHIPR 68 KOHM 1 1 10 50 19 LCD Color Monitor ASUS VB191D R841 RST CHIPR 68 KOHM 1 1 10W R825 2288 1 10W R912 RST CHIPR 22 KOHM 1 1 8W R915 RST CHIPR 220 KOHM 5 1 BW 77 R837 RST CHIPR 47 KOHM 5 1 8 R810 06160805510 2F RST CHIPR 51 KOHM 1 1 8W R931 061G0805822 RST CHIPR 8 2 KOHM 5 1 8W F801 061G1206000 RST CHIPR OHM 5 174W F902 061G120600
26. S Check the output of T801 T802 SS NG Change T801 T802 Check connecter amp lamp 38 19 LCD Color Monitor ASUS VB191D 8 2 3 Key Board OSD is unstable or not working N Is Key Pad Board connecting normally Connect Key Pad Board Replace Button Switch N N 20 4 Replace Key Pad Board Is Button Switch normally Is Key Pad Board normally Check Main Board 39 19 LCD Color Monitor ASUS VB191D 9 White Balance Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment Before started adjust white balance please set the Chroma 7120 MEM Channel 3 to Warm 6500K color MEM Channel 4 to Normal 7500K color MEM Channel 9 to Cool 9300K color and MEM Channel 10 to sRGB color our Warm color parameter is x 313 20 329 20 gt 180 Normal color parameter is x 299 20 y 315 20 Y21 80cd m Cool color parameter is x 283 20 y 297 20 Y2160cd m sRGB color parameter is x 313 20 329 20 Y 150 15cd m How to setting MEM channel you can reference to chroma 7120 user guide or simple 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 Setting the color temp you want A MEM CHANNEL 3 Warm color Warm color temp parameter is x 313 20 y 329 20 Y2180cd m2 B MEM CHANN
27. computer or change 35 19 LCD Color Monitor 3 White screen Measure Q704 base is low level Check Q704 Q703 is broken or CN703 solder Check Correspondent component OK Replace Panel 36 ASUS VB191D X401 oscillate waveform is normal Replace X401 Check reset circuit of U401 is normal CSAS 0401 19 LCD Color Monitor ASUS VB191D 8 2 2 Power Inverter Board 1 No power Check CN902 pin4 5 12V NG Check AC line volt 110V or 220V NG OK Check AC input Check the voltage of C905 OK NG Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 NG ER V WR ARE OK Check R904 R932 R933 and Change IC901 Check the auxiliary voltage is bigger thari 10V and smaller than 20V OK NG 1 Check IC901 2 Check R909 0901 circuit Check 90 wave OK Check 901 Check 903 904 Q901 ZD921 ZD922 D906 0907 37 19 LCD Color Monitor ASUS VB191D 2 W LED No Backlight Check CN902 pin4 5 12V NG Check adapter or MB Check ON OFF signal OK 4 Check Interface board Check IC801 PIN12 12V 5 Change Q808 or 0805 Check IC801 PIN10 9 have the output of square wave at short OK lt Change 801 NG OK Check 2801 0804 2811 0812 0802 0803 AA
28. cture 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 3 2 Control Buttons 3 2 1 Key Control 19 LCD Color Monitor ASUS VB191D 3 2 2 Key Function 1 E button e Automatically adjust the image to its optimized position clock and phase by long pressing this button for 2 4 seconds for VGA mode only e 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 4 Button Press this button to decrease the value of the function selected or move to the previous fuction e his is also a hotkey for Volume adjustment For Some Models 3 Button e Press this button to enter select the icon function highlighted while the OSD menu is activated 4 gt Button Press this button to increase the tne function selected or move to the next fuction his is also a hotkey for Brightness adjustment 3 3 OSD Menu 3 3 1 How to Reconfigure 1 theater Mode Menu amp S Exit 1 Press the MENU button to activate the OSD menu 19 LCD Color Monitor ASUS VB191D 2 Press 4 and to navigate through the function
29. ew mainframe panel 4 8 0101740 10 120 linge Stand 6 9 101740 10125 Hinge Hinge plate 3 IMPORTANT SAMPLES MUST BE APPROVED BEFORE PROCEEDING WITH PRODUCTION NTERNATIONAL 18 No 738 CHUNG CHENG ROAD CHUNG HO CITY TAIPEI HSIEN TAIWAN TELEPHONE 82261668 SCALE 12 ULERANCE UNLESS OTHERWISE SPECIFIED RANGE OF DIM amp plastic POLY FOAM CARTON 30 60 203 gt SCALE ENG APPR MATERIAL 15 04 50 2 3 0 DRAWN BYJACK LIU APPR BY FINISH 120 250 0 5 1 250 51 0 30 5 0 n E WALL THICKNESS ANGLE SHEET METAL 1 2007 01 04 42 19 LCD Color Monitor ASUS VB191D 11 BOM List T97HMWDDHGUSN Tos vases FORD Te 77 7 7 momo 2 conven pape 0526 1211 A 165MINIUM TAPE E095A 095G801412X 80 WIRE HARNESS OM1G 130 5120 SCREW OM1G 930 547 CR3 SCREW 095A 0 101730 6120 SCREW 0 161730 6120 SCREW 0 161730 6120 21 705GQ734090 STAND ASS Y 19 E750L 750GLHS0N3A11N PANEL HSD190MEN3 A 19 HANNSTAR 1500215 3 MAINFRAME A33G0188ADJ 1L BUTTON FUNC LENS POWER BEZEL L19 7ASUS REAR COVER 19 STAND COVER Screw MAIN BOARD CN701 WAFER 9P RIGHT ANELE PITCH CN404 WAFER 2 6 2 0MM R A I 19 L
30. n hazardous radiation exposure CAUTION The use of optical instruments with this product will increase eye hazard TO ENSURE THE CONTINUED RELIABILIKY CE THIS PRODUCT USE ONLY ORIGINAL MANUFACTURER S REPLACEMENT PARTS WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE MANUAL Take care during handling the KCD module with backlight unit Must mount the module asiq mounting holes arranged in four corners Do not press the pane edge of the frame strongly or electric shock as this will result in damage to the screen Do not scratch or prezs the panel with any sharp objects such as pencil or pen as this result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body is grounded through wristband Do not leave the module in high temperature and in areas of high humidity for a long time Avoid contact with water as it may a short circuit within the module If the surface of panel becomes dirty please wipe it off with a soft material Cleaning with a dirty or rough cloth may damage the panel 19 LCD Color Monitor ASUS VB191D 1 Monitor Specifications x Driving system TFT Color LCD x LCD Panel Power Consumption Display Color Dot Clock Contrast Ratio White Luminance Max Resolution Plug amp Play Power Source Input Connector Input Video Signal Safety Certifications Ma
31. ndicator on chroma 7120 will show x 299 20 y 315 20 Y2180cd m 4 Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R 100 40 19 LCD Color Monitor ASUS VB191D 5 Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE of color3 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 Adjust Cool 9300K color temperature 1 Switch the Chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM Channel to Channel 9 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 283 20 y 297 20 Y2160cd m 4 Adjust the RED of color1 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color1 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 10 with up or down arrow on chroma 7129 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 Y 150 15cd m 4 Adjust the RED of color3 on factory wi
32. ndow until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color3 on factory window until chroma 7 120 value G 100 6 Adjust the BLUE of color3 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 E Turn the Power button off to quit from factory mode 41 19 LCD Color Monitor ASUS VB191D 10 Monitor Exploded View FIRST USED ON L19 Tasus REVISIONS ASUS VB191D 2 NN 2262 226 2007 Item P N Jescription Q ty 1 A34G0324ADJBIB 30 BEZEL LI9 7ASUS 1 N e A33G0188ADJ 1L BUTTON FUNC 1 220 33G0189 1 1C ENS KEPC7QAA5 KEY BOARD 750GLH90N3A11N PANEL HSDI90MEN3 A PWPC942HU3 POWER BUARD CBPC7HMWUSQ2 MAIN BOARD A15G0215 3 MAINFRAME AIO eg 9 A34G0325ADJ 1B 30 RFAR 1 10 A34G0326 DJ STAND 1 4 3700037 2 INGE 12 A34G0327ADJ STAND COVER 1 13 A34G0323ADJ 1B 33 BASE 14 101730 6 120 Screw power bd panel 4 15 1 1730 6 120 Screw scolar bd 16 101730 6 120 2 16130 5 120
33. s Highlight and activate the desired function by pressing the MENU button If the function selected has a sub menu press and again to navigate through the sub menu functions Highlight and activate the desired sub menu function by pressing the MENU button Press 4 and to change the settings of the selected function 4 To exit the OSD menu press the button Repeat step 2 and step 3 to adjust any other function 3 3 2 OSD Function Introduction 1 Splendid This function contains five sub functions you can select for your preference Each mode has the Reset selection allowing you to maintain 2 your setting or return to the preset mode 20200770 Theater Mode Scenery Mode best choice for display with SPLENDID Video Enhancement Standard Mode best choice for document editing with SPLENDID Video Enhancement Theater Mode movie with SPLENDID Video Enhancement Game Mode best choice for game playing with SPLENDID Video Enhancement Night View Mode best choice for dark scene game or movie with SPLENDID Video Enhancement the Standard Mode the and Sharpness functions are not user configurable In the other modes the sRGB function is not user configurable 19 LCD Color Monitor ASUS VB191D 2 Image You can adjust brightness contrast sharpness saturation position VGA
34. sformer diodes EMI filter and Filter Start Circuit R904 R932 R933 CN902 5V PWM Control Circuit gt ON OFF Output Circuit Feedback Circuit PWM Control 4C CICS8Q0 12 ON OFF Control 6 DIM Over Voltage 19 19 LCD Color Monitor 6 Schematic 6 1 Main Board 715G2571 1 2 VCC3 3 5V TSUM16AWK XGA SXGA WSXGA 5V VCC1 8 12V 3 INPUT B2 on 12V VCC1 8 5V VCC3 3Adj BACKLIGHT 2 POWER VLCD EST N 4 RIN GNDR GIN GNDG SOG BIN GNDB HSYNC VSYNC DDCA SDA DDCA SCL INPUT DET R R Gt Gs CLK CLK DDCD_SDA DDCD_SCL DDC WP HDCP RST Adj BL2 MCL I2C SCALER SCHEMATIC Lyvbs OULPUT CC18 5V 12V VLCD PA O 9 PA 0 9 VLCD PB O 9 5 PANEL INTERFACE itle TOP ize Document Number E 71562571 1 2 Date Monday May 07 2007 Sheet 20 ASUS VB191D 19 LCD Color Monitor V VCC3 3 NC N R720 5V 12V R701 1K 1 16W CN701 34 5V 12V 4 3 4 5V 1 R702 21 7R 1 16W SMAL140 R703 1 16W a i lt _ BACKLIGHT 4 NC 1uF 10V Q701 PMBS3904 20098 8 R721 NC R716 gt NC 702 C701 R717 NC NC NC
35. sients Peak surge current Power line surge E with a maximum of 1 half wave missing per second 19 LCD Color Monitor ASUS VB191D 4 3 Factory Preset Display Modes Standard Resolution Frequency Horizontal Frequency KHz Pixel MHz 640x480 60Hz 31 469 25 175 VGA 640x480 72Hz 37 861 Nn 640x480 75Hz 37 5 800x600 56Hz 35 156 800x600 60Hz 37 879 92 lt gt SVGA 800x600 72Hz 48 077 800x600 75Hz NR 1024x768 60Hz 49 5 1 ON 1024x768 70Hz XGA 4 1024x768 72Hz 78 4 77 2 1024x768 7 SN 60 023 78 75 60 2 8 7 152 8709 6 100 Mac PAO 52x864 75Hz 67 5 108 4 lt Z NN XZ 1280x960 60Hz 108 1280x1024 70Hz 74 4 124 9 SXGA 1280x1024 72Hz 134 6 1280x1024 75Hz 79 976 135 1 19 LCD Color Monitor ASUS VB191D IBM MODES Standard Resolution Frequency Horizontal Frequency KHz Pixel MHz MAC MODES Standard Resolution Frequency Horizontal Frequency KHz Pixel MHz SVGA 832x624 75Hz 125 57 2832 Modes not listed in the above tables may not be supported For optimal resolution we recommend that you choose a mode listed in the above tables 4 4 Panel Specification 4 4 1 Features _ 19 5 LCD Panel _ 4 CCFLs Backlight System _ Supported SXGA V 1024 lines H 1280 pixels Resolution Supported to 75Hz Refresh Rate LCD Timing Controller _ RoHS
36. various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel The possibility exists that improper service methods may damage the equipment It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE AOC could not possibly know evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently AOC has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which is not recommended by AOC must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected Hereafter throughout this manual AOC Company will be referred to as AOC WARNING Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered witnout written permission from AOC AOC assumes no liability express or implied arising out of any unautnorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIREC T EXPOSURE TO BEAM CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result i
37. w Chat 19 LCD Color Monitor ASUS VB191D MCU initialize 15 the EPROM blank Program the EPROM by default values Get the PWM value of brightness from EPROM Is the power key pressed 6 Clear all global flags 7 Are the AUTO and SELECT keys pressed 8 Enter factory mode 9 Save the power key status into EPROM Turn on 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 star dby mode after the message disappear 17 Program the scalar to be able to show the coming mo e 18 Process the OSD display 19 Read the keyboard 15 the power key pressed 17 19 LCD Color Monitor 5 2 Electrical Block Diagram 5 2 1 Main Board Panel Interface CN703 Keypad Interface CN404 U401 SDA SCL N N Flash Memory Crystal PM25LV010A 14 318MHZ U402 18 Scalar TSUM16AWK LF Include MCU ADC OSD ASUS VB191D EEPROM M24C16 U406 H sync D Sub Connector CN401 VGA_SDA VGA_SCL EEPROM M24C02 U403 19 LCD Color Monitor ASUS VB191D 5 2 2 Inverter Power Board AC input Bridge Rectifier Rectifier Tran
38. ximum Screen 5126 Environmental Considerations Response time type oms for HSD panel H Frequency 30kHz 82kHz V Frequency 56 76 Hz ON Mode 42W OFF Mode 2W 16 7M 6 bits Hi FRC 150MHz 1000 1 300cd m 1280 x 1024 DDC2B 100 240VAC 47 6314z D Sub 15pin Analog 0 7V o p standard 75 OHM Positive UL CUI Gost R BSMI CCC VCCI C Tick CB RoHS required PSB Horizontal 410 4mm Vertical 256 5mm Operating Temp 0 to 35 C Storage Temp 20 C to 60 C Operating Humidity 45 to 85 19 LCD Color Monitor ASUS VB191D 2 LCD Monitor Description The LCD monitor will 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 Monitor Block Diagram each voltage Flat Panel and CCFL backlight CCFL Drive RS232 Connector For white balance Power board Main Board Include adapter inverter adjustment in factory mode Key Board Video signal DDC AC IN poy NRT 100V 240V 4 HOST Computer K 19 LCD Color Monitor ASUS VB191D 3 Operating Instructions 3 1 General Instructions Press the power button to turn the monitor on or off The other control buttons are located at the front of the panel of the monitor By changing these settings the pi

http://www.wjel.net

Contents

Download Pdf Manuals

Related Search

Related Contents