Service Service Service
Contents
1. sms ores amy acTswirowal2ewsenieo wem ores any acTswirowal2ew see swoor orrestss lny aeTswirowal2ew see x KEY PCB FR1 SS 14 130 1 6mm NENNEN i oo tos 00 42 19 5 LCD Color Monitor AOC WLA190TWE RI T amr o coor ere umi eme mw ao jo SA Toor e O ao was a T ass LE oec x mam erne pes ouo amare pean pex mm CC lameuees nenn O ees 22 apar feste zeama WOSFETaPurrosnuc TaG ATO Toas mem osreoensiooJF RST CHP 0 ona tnowFENGHUA ng ma ma O 1EST ONLY RST 0603 1K 1 1 10W NENNEN ereenn RST CHR ax On W TOW FENGHUR mam oco ASTON m nana TEST ONY AST ons eons tw T OO TOW TAIYUAN maar K R OMR 0 OF 5 sew maar RST CHIPR 1 MOHM 1 1 8W FENGHUA i 43 19 5 LCD Color Monitor AOC WLA190TWE Trama E mar maa T vew r ue res osi RSTCHER TeWYAGEO ens rer enan raes 1 On Seven renta2. As x x lt n D801 x x 5 9 5 LABEL POSITION FB801 JB07 a b MW e 84 0 AI E 168066 iu CU J810 CXXXI C906 O SKS N VERD A uo 3019 YVANS 3119 avans FB901 N INI aa O 71565527 P01 004 001M L901 www ONLY WITH SAME TYPE AND P 8 RATING OF FUSE zo up GND3 27 19 5 LCD Color Monitor AOC WLA190TWE 7 3 Key Board 715G4407K02000001S MA suo 71564407 K02 000 001S Power p 3 P ioi VS veMS 1 DOWN t9 SW001 0007 LOOMS R005 4 LI J TT SOOMS 20005 28 19 5 LCD Color Monitor 8 Maintainability 8 1 Equipments and Tools Requirement 1 po o D GE eS eS Voltmeter Oscilloscope Pattern Generator DDC Tool with an IBM Compatible Computer Alignment Tool LCD Color Analyzer Service Manual User Manual 29 AOC WLA190TWE 19 5 LCD Color Monitor AOC WLA190TWE 8 2 Trouble Shooting 1 No Power Check power cable is tightened Re plug the power cable OK Check Power On Off is On Turn on the Power On Off switch Check the LED indicator is OK Check the AC power Replace the power board and check connections Replace main board and check connections NG Replace key board and check connections 30 19 5 LCD Color Monitor AOC WLA190TWE
3. 20mm eP vrr w2orsoosvaa ass nagar WAFER 20mm 6PVITWAOIE06SVAA wo sone osoase Tae O Tresoar GOMSUMPTMERSSY ess mex WEDNGRUKWTHQUTPB OOOO O sora Ju osecas FLASH MX25L 20260WIK12G 2MBSOP am oseas Ta LNB TOQ06LTIG 200mA 40V SOTZ0LRC a osrGar7si7 maimeraoootri6 200maiaov sor 2310 ams osease RRR Ranar SOT29LRC Reo aana RST GHIPRMAX OROS OHM Taper Rer mamar Yace maane RSTCHIPR 10 an RONYAGEO CTT Ros aenean RST CHIPR 10 ane 16YAGEO WOW SW TZAIVUAN ue orcos RSTCHPNER WOW SW TZAIYUAN re aane RSTCHPNER WOW SW TZAIVUAN ma aane st RSTCHIP toor VOW SH TZAIYUAN Ru ooo RST CHIPR 00M s5 MNONYAGEO rar oorr sro 100 OHM 9 INGWYAGEO uw orco vero 100 OHM s INGWYAGEO 39 19 5 LCD Color Monitor AOC WLA190TWE UTE ZE ACETIC sora anewvaGeEO raza jostcuzazrz a RST era KOHN ewy eean sue oras anew vAGEO ween RST CHIP onm sk AWYAGED weenn RST CHP enan senn 0 mum ous sr iona vu OMPR oxOH HOW VAGED I F mar Tasa T T gt wa F ooumosw RSTCHIPR omm st r seene srp omm rse r RST CHIPR 10KOHM 5 1 16W YAGEO DENN RST CHIPR 100KOHM 5 1 16W YAGEO RST 0402 1M 5 1 16W RCO402JR 071ML RST 0402 2 2K 5 1 46W RC0402JR 072K2L RST 0402 2 2K 5 1 16W
4. Power Board Main Board x RS232 Connector For white balance adjustment in Key board x factory mode Video signal DDC AC IN HOST Computer 100V 240V 19 5 LCD Color Monitor AOC WLA190TWE 3 Operation Instructions 3 1 General Instructions Press the power button to turn the monitor on or off The other control buttons are located at front panel of the monitor By changing these settings the picture can be adjusted to your personal preferences e he power cord should be connected e Connect the Signal cable from the monitor to the video card e Press the power button to turn on the monitor position The power indicator will light up 3 2 Control Buttons EXTERNAL CONTROLS 1 Auto Adjust button Exit 2 ECO Image Ratio MENU ENTER Power Button FRONT PANEL CONTROL Power Button Press the button to turn on or turn off the monitor e Power Indicator Blue power On mode Orange Stand by mode MENU ENTER Activate OSD menu when OSD is OFF or activate de activate adjustment function when OSD is ON 19 5 LCD Color Monitor AOC WLA190TWE e ECO When OSD menu is in off status press this key continuously to select the different ECO mode Eco mode hot key may not be available in all models e Image Ratio When OSD menu is in off status press this key to change 4 3 or wide image ratio If the product screen size is 4 3 or input signal resolution is wid
5. c707 O i I O Qc ea C 3 c T O O T LO LC wE U103 n 114 2101 O i ki C N Se E F v lt posts ou R A 2 N Lor o e CLH E Of Lea S a o ZD102 r Dios R148 R126 24 AOC WLA190TWE 19 5 LCD Color Monitor AOC WLA190TWE C909 L ce e N C908A 5 O C914 gt C801 L801 O LE N L905 e 5 c5 S 5 CBTA e _ F902 2 RM FB804 J805 eDOQQOQQUUU TS s li EC X p EH i OK S 2 lt LLL fi L ri R907 R908 R909 C L _ree NTT 1 Eg rM ZD902 _ _ ES 3 Q801 IM L THE ie 5 s Sg T sC 5 Cirku CD J806 E CL CC eei id ll SS m N J807 Coa lt Q 4923 SI E 3 cs 8 rs 7 7 HS1 1902 REM 598 S s _ Ra R amp 02 L 2 t S C 2 8 m0 Ca B _ J919 m een CL _ um CS E AN D902 R920 _ gt EC C R t6 SL m C _ R919 reos L R815 a 5 L L E Baig Pm e 810 p s LIJLILILIT mm 12 C906 5 gt RB27 x in u E am 71565527 P01 004 001M etie e m Ok 9 MI LABEL POSITION 26 19 5 D gt 71565527 P01 004 001M LCD Color Monitor c Wm O CAUTION AGAINST L RISK T S AOC WLA190TWE J804 J805 L801 C801 J802 J805
6. R822 R825 ORO5 1 10W 1 OHM 5 1 8W FB804 BEAD la ou AE asta maue Hi TL WL t EE EA own II BIR IC m Layout trace trace BR Le Im ER Lawan L 3 TL E 6 491 50 HI HE et d TPV MODEL Key Ci t Key Component omponen b PB NAME NAME ME ODM MODEL 3 of 3 Date Friday December 14 2012 20 19 5 LCD Color Monitor AOC WLA190TWE 6 3 Key Board 715G4407K02000001S LED_2 LEDO1 CNO001 R002 2KOHM 1 1 10W R003 3K 1 10W R004 3K 1 10W 1 LBADC2 EE LBAD O LED pp s 28 ZD006 NC CONN RLZ5 6B V SGND R005 2KOHM 1 1 10W C004 NC 0 1uF 50V N 0O 1uF 50V e o o o o ZD001 RLZ5 6B Power MENU UP LED DOWN OK CONNECTOR V SGND OK 2 0R 1 04V 1 18V 1 1V 0V 1 24V LBADC2 u UP 3K 1 37v 1 58v 1 4V 1 24V 2 6V DOWN 3K 1 37v 1 58v 1 4V LBADC1 MENU 2K 1 04V 1 18V 1 1 e PBW ET me ERE RR 20key PCB NAME 715G4407 K0A 001 Monday January 09 2012 2 of 21 a A m V e gi j ur LLI e eo qm l O O lt O E cl 2 5 FEE AOC WLA190TWE 19 5 LCD Color Monitor CN701 o C CN702 S 3 E C401 LJ inal B R110 R109 R108 R117 C108 C107 C106 0115 FB104 FB1037 FB102 R437 55 48 O T
7. ms iios RST OMPR1 ann ee va FERA Roe vewTar TO K K OS maar rwr reo forsoso rreme R ewan O ozs E mar T masu ms TT 5 RST CHIPR 16KOHM 1 1 8W FENGHUA RST CHIPR 16K 1 1 8W YUAN yy RST 0805 200K 1 1 8W man wSToM ane une oo RST CHIPR 2 4KOHM 1 1 8W FENGHUA RST CHIPR 30KOHM 1 1 8W FENGHUA BEEN RST CHIPR 30KOHM 1 1 8W FENGHUA NENNEN U uA n Liman C Gmm ou sox ewe sr sooo EN RST CHIPR 51KOHM 1 1 8W FENGHUA T t h mS 106 one vaw Trama mew eisuw ns tne orn ww 0 eean RSTCHPRTDONN SVUAIZANUS me oon ur RST CHP ooms venea vu aen RST CMP ooms ANTA NUN TT T mao iiis RST CAPR comes TZ Numa mo aw L vaw 44 19 5 LCD Color Monitor AOC WLA190TWE a ramara mz wiswsor sere GA UAE mw eimi mst aos T T ocs mw Tumas ma vanzari nora twrn mo RSTCHIPR 1 MORN 5 aw FENGHUR ooo oGiaewsr RSTCHIPR Fr FENGHUR moi mari me mem osrorzoes merum mee mu wicmewea Taer masea E mama Tumas RST CHIPR 1 5 OHM 5 1 4W 1206 Wa RSTCMROS onm aw Te w a rT aw umami Tl o
8. 2 soe soci 46 PA2 7 cum U 25 PAS 2 onna Gina id EAS 2 RN Ses IDM 43 PAS E 3 PAG 2 GNDR RIN1 41 PAT 40 PBO 2 HSYNC 38 aa 250 9 lt PB O 9 3 2 VSYNC VSYNCI1 PB3 36 PB4 35 PB5 2 PB6 33 PB7 VCC3 3 PBS 31 PBI 56 C421 PC1 PWMB 752 gt gt adj 5 220N16V PCO LPD_OUT 17 2 DDCA_SDA PB5 DDC_SDA TX SPI_SO 2 18 KEN 5 CS VCC SPICE 2 DDCA_SCL 2 PB4 DDC_SCL RX SO SIO1 HOLD DOR AMOW 5 WP SCLK 75 SPI SI GND SI SIOO R43 100R 1 16W 5 WP MX25L4006EM11 12G SNA SPI CE 25 i PATHIPWMAHIDBCH Leg 5V E 58 SS 50v Q g SPI SO PAG PWMC PS EN 5 SPI_CLK PAS DBC AO_OUTB Audio VOL PANEL ENABLE 5 High Mute enable Low Mute disable for APA2603 PA4 PWMA DBC sg R422 10K LED ORANGE Audio VOL 5 R416 tea a R424 10K LED_GRN BLUE 3 L T_SCL NC 47 OHM 1 16W R431 50 DDC WP 2 10K 3 L T SDA CAT OTEN PER P35 PA1 PWMD AO POWER KEY 1K R426 P34 PAO PWMC DBC AO OUT lt DET VGA 2 VCC3 3 m 52 P31 TXD P30 RXD LPD INO R425 18 OK RSTn AO_STB_PWR 61 R418 1K KEY2 63 62 KEY1 C410 R427 OROS OHM OSCO PB2 ADC2 INTEO 30 R421 1K SV DET 100N16V PB1 ADC1 zg Audio Mute E i R453 PBO ADCO gt gt Audio Mute 5 NC 10K 5 1 16W i 0805 OHM 5V_DET 1M NT68169UFG i HUE C414 C415 s 22 50 5V 22PF 50V 9 X401 VCC3 3 R403 2 IBI 1 2 2K1 16W Q401 12MHz LED ORANGE LMBT3906LT1G R435 R433 3K9 5 1
9. PWM Over Feedback Control IC Voltage Circuit Protect A CN902 Transformer MOSFET PWM On off T901 Q801 Control IC control Inverter ON OFF Connector Feedback Circuit DIM 14 19 5 LCD Color Monitor AOC WLA190TWE 6 Schematic 6 1 Main Board 715G6255M0C000004I For NT68169 VGA i t ESDIFIERA CHE T TS E dk dicus 2013 07 10 FB102 1 2 R10 10 OHM C102 RIN 4 R105 10 OHM C104 S GIN 4 e FB1041 2 R107 10 OHM C105 uu gt gt BIN 4 G B via l connector R111 47 OHM 1 16W C109 Arie S gt GNDR 4 R11 47 OHM 1 16W C110 eae S gt GNDG 4 R113 47 OHM 1 16W C111 easy S GNDB 4 c 1 2 VGA5V FB101 9 N 300R 0 2A 2 7 45V VGA5V Z 8 E R14 1K 1 10W DEL VOR DETVGA 4 5 z N 4 5 5V L o Q Q 4 C AJ S N m N 2 2 T D101 a BAV70 R126 100R 1 10W 5 R114 1000HM LE ARIAL LRL R115 1000HM d n TOOR M 10W 5 om N E BS 3 ESD 5V N E 5 R116 C113 R117 C114 D 2 2K1 46W 22 50 2 2K1 16W 22pF 50V C115 o gt b 220N16V SCL VGA R121 1000HM AT24CO2C SSHM T CU 4 DDCA SDA zd 4 DDCA scL DDC WP solaz g9 GZ1H ON 90LG0Z 2 m N e o UJ lt DDC WP 4 GREEN RED R125 BC 200R 1 10W 5 R123 NC 200R 1 10W D104 NC BAV99 D102 NC BAV99 D103 NC BAV99 ESD 5V O ef JR AN H Ios MODEL PCB NAME ce lt K
10. 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 without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure CAUTION The use of optical instruments with this product will increase eye hazard TO ENSURE THE CONTINUED RELIABILITY OF 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 LCD module with backlight unit Must mount the module using mounting holes arranged in four corners Do not press on the panel edge of the frame strongly or electric shock as this will result in damage to the screen Do not scratch or press on the panel with any sharp objects such as pencil or pen as this may 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 th
11. 4358 mm add 242 56 24306 24556 mm AdwAga Horizontai 420 m Vertical 2376 m weg o 19 159 s 11 19 5 LCD Color Monitor AOC WLA190TWE 4 3 4 ELECTRICAL CHARACTERISTICS Ta 25200 m I MET wee UM Noe Power Supply Voltage we 45 5 55 V Ripple me NN Rush Curent ee f a Le oa 048 A Ga Sorn 087 A Bb 09 10 A 3c PowerConsumpio PLCD 455 525 Wat 4 LVDS differential input voltage Vid 100 600 mv LVDS common input voltage Vc 10 12 14 V Logic High Input Voltage ww E mana aa Logic Low Input Voltage VL 01 4 3 5 BACKLIGHT UNIT Ta 25 2 C LED Light Bar Input Voltage Per Input Pin LED Light Bar Current Per Input Pin LED Life Time LLED Power Consumption 12 19 5 LCD Color Monitor AOC WLA190TWE 5 Block Diagram 5 1 Main board Key Control LCD Interface interface CN401 Flash Scalar IC NT68169UFG Crystal MX25L4006EM11 12G Include MCU ADC OSD 12MHz U402 U401 X401 EEROM AT24C02C SSHM T CU U103 DDCA SDA DDCA SCL D SUB Connector CN101 13 19 5 LCD Color Monitor AOC WLA190TWE 5 2 Power board Diode rectifier 15V AC input Bridge Transformer amp Filter EMI filter N Diode rectifier m Audio IC amp Filter U601 and Filter 5 Start Circuit R922
12. RC0402JR 072K2L RST 0402 2 2K 5 1 16W RC0402JR 072K2L RST 0402 2 2K 5 1 16W RC0402JR 072K2L i RST CHIPR 22KOHM 5 1 16W YAGEO RST CHIPR 22KOHM 5 1 16W YAGEO LLL RST CHIP R 3K9 5 1 46W TZAI YUAN BEEN RST CHIP R 3K9 5 1 16W YUAN NENNEN RST CHIP R 3K9 5 1 16W TZAI YUAN s RST CHIPR 47 OHM 5 1 16W YAGEO WS mri eee Ternes on anew x Ra eiue sy RST OMPRaT ovata mewy ir RST FENGHUR nana oarcoaazazz w ns ona as inewacowaareqe tomar T rasa T Z mw oarcoaazazz w nsToaeza ms T mw aenn Z 476 Z aX CAP To vow sm WU me ean RSTCMR r 0 ur RST F mar umma aron rsk tza vu vaza mus oso RSTCHPRTSOM enaa 40 19 5 LCD Color Monitor AOC WLA190TWE 5 IRSTCHERSOHU ERWWTENWM 0 ws een T GaP ote me 10 svar Umos erioa T m on ote tone m saes T oaP on ote tone s eaea memes m oaeee v ernes T ET mamen v Temes m eaae v Temes m CAP 0402 100NF 10 16V X7R CAP 0402 22PF 5 50VNPOCO402006220450 CAP 0402 22PF 5 50V NPO CO402C0G220050 CAP 0402 22pF 5 50V NPOUMK105CG220V a CAP 0402 22pF 5 50V NPO UMK105 CG2203V orig emos Toa on z u CAP 0402 47NF 10 16V X7R yy CAP 0402 47NF 10 16V X7R CAP 0402 47 10 16 X7R CAP 0402 4
13. 16W LED R 3K9 5 1 16W R434 R464 3K9 5 1 16 NC R405 4700HM 5 1 10W 6 7 KEY1 6 KEY2 4 5 POWER KEY 4 D 3 LED R N N N CN CN Su ole ERTS EIR 5V 51 3 NECS oa a 8 ee ia d st st st CN403 z z z z NC CN402 VCC3 3 8 S ST Taz zu CONN a slalo Sel 2 S 8 raoe 5 5 8 S 8 Z 9 9 2 2K1 16W gt 5 gt 3 E 3 m 7 793 z LED_GRN BLUE LMBT3906LT1G o ol LED 6 z R407 NC R408 4700HM 5 1 10W 1 KEY1 AUTO 2k UP 100 2 KEY2 DOWN 2K MENU 1K 3 POWER KEY POWER KEY 100 4 LED G GREEN 5 LED R YELLOW 6 GND GND TPV Top Victory Electronics Co Ltd OEM MODEL Size et AE R 33 IR TPV MODEL Rev A t P Y Key Component PCB NAME KE Date Thursday July 11 2013 Sheet 4 of 5 17 19 5 LCD Color Monitor AOC WLA190TWE Belling as main source Both 223 and 252 CN701 s foot print aT 5V VCC3 3 p 7 2 3 4 Q U702 NC BL1117 33cy LN VIN VOUT _ VCC33 4 704 CONN C703 100N 16V C70 10uF 16V C702 100N 16V 22uF 10V VCC3 3 R701 4 7K1 16W NC CONN EE X adj BACKLIGHT 4 VCC3 3 R704 1000HM R712 R798 NC BKLT EN Con BACKLIGHT 4 TOYS lt Audio VOL 4 100R 1 16W 596 R a C705 100N 16V VCC3 3 R711 NC R713 100R 1 16W 5 Audio Mute Audio Mite PANEL VCC R726
14. 19 5 LCD Color Monitor Service Service AOC WLA190TWE Service Manua Horizontal Frequency TABLE OF CONTENTS Description Page Table Of Contents RR 1 Revision liet 2 Important Safety Notice eee 3 1 Monitor Specification ern 4 2 LCD Monitor Description nnnm 5 3 Operation Instructions enn 6 3 1 General lnstruciOns eee 6 3 2 Control Buttons c mmn 6 3 3 Adjusting the Picture eee 8 30 83 kHz Description Page 6 Schematic e ee men 15 6 1 Main Board ae eee 15 6 2 Power 19 6 3 Key 21 PCE CVO 22 FERES o PPR uuu E 22 1 2 Power Board sss sss 25 S Asse 28 4 Input Output Specification eene EEVEE LLL 13 11 BOM List mI 38 5 2 Power Board HH 14 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 1 19 5 LCD Color Monitor AOC WLA190TWE
15. 2 No Video Power LED is Blue No Video Power LED is Blue Press the power button is OK Replace the main board Replace the power board and connection Replace the main board and connection Check the LVDS FFC cable or panel Replace the LVDS FFC cable or panel NG Replace the key board 31 19 5 LCD Color Monitor AOC WLA190TWE 3 DIM DIM image overlap focus or flicker Reset in factory mode The end Set to the optimal frequency select the recommended frequency The end NG Readjust the phase and pixel SE clock in the user mode The end NG Pull out signal cable and OK heck th cabl check Self Test Feature M ur un Check is ok 2o NG NG OK Replace the main board NG Replace the panel 32 19 5 LCD Color Monitor AOC WLA190TWE 4 Color is not optimal Color is not optimal Color shift Reset the factory mode Miss color Replace the signal cable NG In the user mode set the color settings until customer satisfy Pull out the signal cable and check the screen color display is normal NG Replace the signal cable or PC Replace the main board 33 19 5 LCD Color Monitor AOC WLA190TWE 9 White Balance Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment Before started adjust white balanc
16. 7 10 16V X7R CAP 0402 47NF 10 16V X7R NEN aeaee T owemneme vx 0 ur asco Y oaro oarso O Erma C emmener O cus C zz O m T owe we srs H eas f T m eaeoe uF om ERE Emesa aeres erae arnas Formar C xm w vus omoi m oaP on tte aur KrovxeR ma aa fores m CHP magn u aranc a CHP eo ots moss eS s CHP seam 41 19 5 LCD Color Monitor AOC WLA190TWE e ZECE ICE ELE CE MN III pis oec erue ennan anar us asecasezenere SCNERNTEWAFGETUREE LDO BL1117 33CX cu 1A 3 3V SOT 223 w EEPROM AT24C02C SSHM T CU 2Kb SOP 8 Wa cowsuuprvenssy mama OW WEWPRWTWS AR ru nscssswowes Man pos F pera IN RR HARNESS 6P SANW 6P 2008 150mm leo sancoorzzvenep LD yelow uegpn0sangs0tzsye0 URN TM ows steteosco st RSTCHPWAK nara RST CHIPR 1 KOHM 1 1 10W FENGHUA 1EST ONLY RST 0603 1K 1 1 10W RST CHIP 2KOHM 1 1 10W FENGHUA RST CHIP 2KOHM 1 1 10W FENGHUA TEST ONLY RST 0603 2K 1 4 10W TEST ONLY RST 0603 2K 1 1 109 zw Swee e ase E E 000000000 E E E ese ocaot T mme 7 mmm zw r me 000000 sms ores ci aeT siren T www resus mm T T nsen Erma Tumse T O wem resus aici mersumesn nsee
17. A190TWE 11 BOM List Note The following information of initial version BOM are only for reference of repair not place the order as the basis and are subject to change without notice Please base on RSPL or Service BOM http cs tpv com cn thank you T9DMVAGEEDWPNN umen remo mes Rema HARNESS 6P 2008 6P C11406S 140mm HARNESS 6P 2008 6P C11406S 140mm S E mam ma mama ma foes iw exer RI RR amo iw i momen H mamam TT ram mar TT m m T TNDIT rra mamami mr anns Tesa wou assraseczasso1 wes Wm screw x mar u amar II r 7 rer ozs ca screw ams s s roo II arest T L awemewmscm H H mamme so L amar z a mam Tm F Tm wa 7 amaes FEEPOPUSELOOREGOAEDHGOR Y Wi H amar warm 38 19 5 LCD Color Monitor AOC WLA190TWE naa OO o QMAGAGMRSSNKKDL ARTWORK CARTON WLAT OWEWH aans N RR Rear Es mr AY mro e acon e Y ar aF Rex facon B z amp MF tow masana eg En PrO 10mm aman aeon saa OOOO omoose RATING LABEL W Oeni or 22518 J CRYSTAL 12MHZ NXST2000ACHOFKABION aw FFC CONN 1 0mm 30P APIO 20mm ro nagar WAFER 20mm eP vrr B2000woevtae
18. E 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 y 329 Y 190cd m 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory window until chroma 7120 indicator reachedthe 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 34 19 5 LCD Color Monitor AOC WLA190TWE B Adjust Normal 7300K 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 indicator on chroma 7120 will show x 301 y 317 Y 190cd m 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 C 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 y 297 Y 170cd m 4 Adjust th
19. E lt gt Thursday July 11 2013 19 5 LCD Color Monitor AOC WLA190TWE CONN RXOO 30 PA RXO0 DA R XO _ t PA RXOT DAZ D XO O PAS RXO2 PAG RXOC 25 PAT RXOC 2 PE RXOS I PB RXOS ZU PE RED T PB RXEO 178 PB O 9 IRENE a 4 PB 0 9 gt PB0 PB4 RXE1 T T PR PANEL VCC PB RXET 19 FB lj PB6 RXE2 13 PE R XEZ te DD PAG R a PANEL is u PB PEG s 9 E P PBS RX e Bg Se FB401 LD 120R 6A pd _ Po ee eee 7 4 PA 0 7 gt PAO 3 DA 401 a CN401 C402 R450 100N 16V NC PA2 22uF 10 z e 3 PAS SRI O O 90 L T_SDA SDA_PANEL D ANI rag ae eR x ae a KE lt i gt Thursday May 23 2013 19 5 LCD Color Monitor AOC WLA190TWE ADC 1 2 die 3 3V Power 442 EO VCC3 3 FB402 4 7UF 16V 100N 16V 120R 6A O L HE ADC 3 3 die 1 ii CVDD 1 2 T 2013 07 10 C403 C407 ADC 3 3 10UF 10V 100N 16V VCC3 3 ADC_1 2 CVDD_1 2 gt C443 C412 4 7UF 16V 100N16V C44 C413 4 7UF 6V 100N16V ik PA 0 7 I I lt PA 0 7 3 4 a a 48 PA0 2 BIN gt gt 2 GNDB BINT DEL
20. NC VCC3 3 Q702 AO3401A R717 NC R715 R707 R720 NC ORO5 OHM 100K1 16W 8V N C706 lt PS EN 4 Q703 R708 220N16V 4 PANEL ENABLE 2 NC R709 LMBT3904LT1G 22K1 16W C707 100N 16V R710 4 7K1 16W 3D 1 2 G S AO3401L TPV Top Victory Electronics Co Ltd OEM MODE a LEX TPY MODEL NE Thursday May 23 2013 5 of 19 5 LCD Color Monitor 6 2 Power Board 715G5527P01004001M TE 2 L903 C900 R905 100 OHM 1 4W 15V 1NF 250V C910 C919 ON R906 100 OHM 1 4W 3 5uH R918 ZD901 400V 1 L2 T901 1 POWER X FMR is c5 CN901 I sme KET BD901 R921 Z 2KBPO8M 70 100K C922 LL C907 2 9 47UF 450V 68uF 450V 600V 1 el 977 2 3 C906 pepe eT Tu EE SE 1500PF2KV R922 3 9 7 i P 100K 4 200 1 L 1 D902 FR10 926 5 1 5 OHM 1 4W D901 FR107 093G 6026T52T SZ 6 1 R925 3 10R 1 10W 596 a H U902 AN C905 EL817M X di LD7904JGP7 HOON 50 R903 _ V 0 39R N x S R901 FB901 1 MOHM 5 1 Eoi i R900 R902 H MOHM 5 1 4W 1 MOHM 3 14w BEAD l U903 TL431G A TA C904 0 22uF 305V i e 4 GND2 NR901 NTCR t C902 C903 CHANGE Y2 E C902 680PF 250 C903 680PF R50 d ot e e e Pia a o EN Li Hw w L Layout trace Hp p ear US MI sta ca Ka 6 G1 50
21. O mam T T su ua O hu Tad mum a omms vew Taava LE mar st inna vu E sr maa rima rr s r Soon ree HW T2ATYUAN rar onines RST CHIP Ts rums mrn rimar J a carche F enenu ces asco F CaP osos esos asco r oar osos ooer WH T F jonsoomsnazar F Teaser ae u Taer v carene oos woan T r m 45 19 5 LCD Color Monitor AOC WLA190TWE RR m cara esseweoGx Fear cH ososacurKsovxTR O asame F Tearce oso urko m corr osooeosicaaxF oap on Xu m vw oveooeosicaax F oaP on ong Xu m v car on rr m corr esses GAP cP oos onson ws aGwostis v oar ON osos ON Sov xTR ms omomonox aeaaeae T mon CAP 0805 2 2UF 10 16V X7R CAP 0805 470NF 10 50V X7R DEED ma aaee wm T H CHP 06s T CAP 1206 2 2NF 10 500V X7R CAP 1206 2 2NF 10 500 X7R 7 CAP 1206 2 2NF 10 500V X7R E CAP 1206 2 2NF 10 500V X7R me r m O v omimemomonmum O eon neon e meu Ono teres means Tamasa aan aeaa an roo sow TO H FOR CN901 006G 31500 EYELET T Sum m eaeoe wa mx arya aa r C TT C
22. Revision List Release Date Revision History TPV Model Name Nov 03 2013 Initial release TODMV46EEDWPNN 19 5 LCD Color Monitor AOC WLA190TWE 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 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
23. TT CT im osse Sz CAPCER mer panse menasa eem anse O o meaa Emre anse 46 19 5 LCD Color Monitor AOC WLA190TWE E IE IC emaer CER aane anem rimar CU mI workowy T CAP CS 1000UF 20 10V 10 12 2000 hr 6100 w CAP CS 1000uF 20 10V 10 12 2000 hr 6 1A EC 680UF 20 25V 12 5 16 ED W sss EC 47uF 20 50V 6 3 11mm EG BEEN mmi ee 2 rmmem 0000 mei me wm mmm mmm eno wm eaae F zenen wrasT ee 165208000 Der ose X ua A Dew joase r mm zmes ouomo zerun vos oo um me umo ee em awe wine mo me ws wewe em RR um ees en aere ums em en ums me wn uw m wee ums ees mo ee ws hoewe um me 92 RR mo ees wn Doeme RR ums mes ums mes en ame ECE II ma IE E II 92 pw RR uer ees em pw um em en ame Fem ee wr me 0 92 ewe ume ewe wm ee 47 19 5 LCD Color Monitor AOC WLA190TWE INNEN ACH RR E CNN NN cos xeseesuon caP vi soer on av ve EC 680UF 20 25V 12 5 16 RF EE EC 47uF 20 50V 6 3 11mm RG 7 EC 470uf 20 16V 10X13 RS Fs mr II ewsaem EI Poses ne cuore T15G5527PO1004001M PWR PCB FR1 SS 122 158 1 6MM Fumar T TT rE T 48
24. Ul TV 1 Hj 3mm MNT 18 Hp 2 5mm BRIDGE EF L N Trace 3 0mm 19 915 100N 50V AOC WLA190TWE R904 100 OHM 1 4W 250R MTZJ T 72 18B 0912 D903 680uF 25V N SR515 R916 Q903 D905 NC 2SD1207 1 a 2 470OHM 5 1 10W R917 C916 1K 1 10W 1 R907 47 OHM 1 4W 10N 50V C911 C920 L905 meos 47 OHM 1 47 OHM 1 4W2 2NF 2 2NF 5V of a O oA R909 47 OHM 1 4W F902 T5AL 250V 1 95 D906 SR560 D908 NC 1 an 2 C921 3 3nF R910 680 OHM 1 4W R929 R923 2 2K 1 10W 1 5K 1 8W R912 5 1KOHM 5 1 10W R913 30KOHM 1 1 8W R915 30KOHM 1 1 8W HARNESS 9P TPV Top Victory Electronics Ltd OEM MODE IIT TPV MODEL x J Q annan PCB NAME SDM MODEL Tuesday Nov ember 20 2012 19 5 LCD Color Monitor AOC WLA190TWE 15V ON OFF O DIM 100v 2 L_ gt 393G0060A03008S D801 FB803 FB802 L801 R804 10 OHM 1 8 C801 C814 330UF25V 100N 50V EMBA2N10A R801 Q801 C816 0 9A 10K 1 4W 1000PF 500V R802 CN804 1M 196 1 8W co C804 10N 50 R807 100K 1 8 10 OHM 1 8W 5 L 2 R818 10K 1 4W Eo 2 1 1 CONN NC N R813 R812 sE ISEN4 680P 50V 0 3R 1 4W 0 3R 1 4W 311GW200AO06ABF R803 300K 1 8W 1 CN803 x CONN 41 1 8W 1 R824 ORO5 1 10 1 OHM 5 1 8W R820 1 OHM 5 1 8W R826 ORO5 1 10W NC CONN
25. e please set the Chroma 7120 MEM Channel 3 to Warm 6500K color MEM Channel 4 to Normal 7300K color MEM Channel 9 to Cool 9300K color and MEM Channel 10 to sRGB color our Warm color parameter is x 313 y 329 Y gt 190cd m Normal color parameter is x 301 y 317 Y gt 190cd m Cool color parameter is x 283 y 297 Y gt 170cd m sRGB color parameter is x 313 y 329 Y gt 190cd 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 y 329 Y 190cd m B MEM CHANNEL 4 Normal color Normal color temp parameter is x 301 y 317 Y gt 190cd m C MEM CHANNEL 9 Cool color Cool color temp parameter is x 283 y 297 Y gt 1 70cd m D MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 y 329 Y 190cd m 3 Enter into Factory mode of AOC e1620Swb Press the MENU button pull out the power cord and then plug the power cord You will enter into factory mode 4 Bias adjustment Set the Contrast DD to 50 Adjust the Brightness ce to 80 5 Gain adjustment Move cursor to F and press MENU key A Adjust Warm 6500K color temperature 1 Switch the chroma 7120 to RGB Mode with press MOD
26. e RED on factory window until chroma 7120 indicator reached the value 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 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 y 329 Y gt 190cd m 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE of 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 35 19 5 LCD Color Monitor AOC WLA190TWE 10 Monitor Exploded View Ts du N sea R 00 Ny A 02 36 19 5 LCD Color Monitor AOC WLA190TWE vem Partnumber e ooroo eum screw gt 9 h m a fumme _ 2 omora zecea sow i 37 19 5 LCD Color Monitor AOC WL
27. e format the hot key is disalbel to adjust e Auto Adjust button Exit 1 When OSD menu is in active status this button will act as EXIT KEY EXIT OSD menu 2 When OSD menu is in off status press this button to activate the Auto Adjustment function The Auto Adjustment function is used to set the HPos VPos Clock and Phase OSD Lock Function To lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the monitor on NOTES e Do not install the monitor in a location near heat sources such as radiators or air dusts or in a place subject to direct sunlight or excessive dust or mechanical vibration or shock e Save the original shipping carton and packing materials as they will come in handy if you ever have to ship your monitor e For maximum protection repackage your monitor as it was originally packed at the factory e To maintain the cleanness of your LCD display wipe it periodically with clean and soft cloth The screen may be damaged by any liquid splash To keep the monitor looking new periodically clean it with a soft cloth Stubborn stains may be removed with a cloth lightly dampened with a mild detergent solution Never use strong solvents such as thinner benzene or abrasive cleaners since these will damage the cabinet As a safety precauti
28. e 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 5 LCD Color Monitor AOC WLA190TWE 1 Monitor Specification Driving system 19 5 TFT Color LCD With LED Backlight Pixel pitch 0 27mm H x0 27mm V Max Plug amp Play VESA DDC1 2B Input Connector D Sub 15pin I Analog 0 Vp p standard Input Video Signal 75 OHM Positive Maximum Horizontal 432mm Screen Size Vertical 239 76mm Power Source 100 240VAC 50 60Hz 1 5A Operating Temp 0 to 40 C Storage Temp 25 to 55 C Operating Humidity 10 to 85 Environmental Considerations Weight N W 2 8 kg Unit net Dimension 478mm 360mm 205mm Power Consumption Maximum 18 Watts Regulatory Compliance FCC CE cTUVus TCO CERTIFIED Pixel criteria 3 3 5 Bright dot Dark dot Total bright dark dot 19 5 LCD Color Monitor AOC WLA190TWE 2 LCD Monitor Description The LCD Monitor will contain a main board an adapter 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 CCFL Drive Flat Panel and LED backlight
29. on always unplug the monitor before cleaning it e Do not scratch the screen with hard things it may cause permanent damage e Don t leak liquid into monitor which will result in the damage of component 19 5 LCD Color Monitor AOC WLA190TWE 3 3 Adjusting the Picture HOW TO ADJUST A SETTING 1 Press the MENU button to activate the OSD window 2 Press or to navigate through the functions Once the desired function is highlighted press the MENU button to activate it If the function selected has a sub menu press or again to navigate through the sub menu functions Once the desired function is highlighted press MENU button to activate it 3 Press or to change the settings of the selected function 4 To exit and save select the exit function If you want to adjust any other function repeat steps 2 3 Luminance Contrast U 50 Brightness Eco Moda n slandard b DCR 4 Cfr b ADJUSTING THE PICTURE The descriptions for function control Main Menu Main Menu Description Item Icon Contrast Contrast from Digital register Brightness BEN Backlight Adjustment Standard Standard Mode Standard Mode nternet internet Mode Internet Mode Mode Game Game Mede Mode Care la Mode Ta Disable dynamic contrast ratio MTS Enable dynamic contrast ratio 19 5 LCD Color Monitor AOC WLA190TWE Ok da Picture Clock to reduce Ver
30. tical Line noise Phase Adjust Picture Phase to reduce Horizontal Line noise Image Setup HPosion adjust the horizontal position of the picture V Position Adjust the vertical position of the picture Image Ratio wam Recall Warm Color Temperature from EEPROM Nomad fo Recall Normal Color Temperature from EEPROM Col Recall Cool Color Temperature from EEPROM Color Temp pon Recall SRGB Color Temperature from EEPROM User B Blue Gain from Digital register User User G Green Gain Digital register User R Red Gain from Digital register Full Enhance Enhance on or off Disabe or Enable Full Enhance Mode Brightness Adjust Frame Brightness Picture Boost Color Boost Adjust Frame Contrast H Position Adjust the horizontal position of Frame V Posiion Adjustthever calposiionofFrame the vertical position Adjust the vertical position of Frame o Frame Bright Frame on orot sable or Enable Bright Frame MPostien Adjust the horizontal position of OSD VPoson Adus the vertical position of OSD OSD Setup Test Adis the OSD Timeout tanguage Select the OSD language DDC CI rum Turn ON OFF DDC CI Support O DDC CI Turn ON OFF DDC CI Support O RI Reset the menu to default ru Show the information of the main image and sub image source Extra 19 5 LCD Color Monitor AOC WLA190TWE 4 Input Output Specification 4 1 Input Signal Connec
31. tor D Sub 15pin Connector PIN NO DESCRIPTION PI N NO DESCRIPTION s oar u vm e ees 4 2 Factory Preset Display Modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY KHz FREQUENCY Hz T 640x480 Q60Hz 31 469 59 940 640x480 67Hz 66 667 640x480 Q72Hz 37 861 72 809 MAC VGA 720x400 70Hz 31 469 70 087 800x600 56Hz 35 156 56 250 800x600 60Hz 37 879 60 317 SVGA 800x600 72Hz 48 077 72 188 800x600 75Hz 46 875 75 000 a Ll 1024x768 60Hz 48 363 60 004 10 19 5 LCD Color Monitor AOC WLA190TWE 4 3 Panel Specification 4 3 1 General Features M195FGE L20 is a 19 5 TFT Liquid Crystal Display module with WLED Backlight unit and 30 pins 2ch LVDS interface This module supports 1600 x 900 HD mode and can display up to 16 7M colors The converter module for Backlight is not built in 4 3 2 GENERAL SPECIFICATIONS 19 5 real diagonal a si active matrix Lo i 1600 x R GB x 900 pixel 027 H x0 27 V m _ PkelAmaemen RGB vertical stipe X Display coors em cor TransmissiveMode Normally white AG type 3H hard coating Haze 25 lL a Luminance White 250 72 of NTSC Typ RoHS Halogen Free amp ICO Power Consumption 4 3 3 MECHANICAL SPECIFICATIONS Tem Mm he Me Um No Horzontal H 4515 4520 4525 mm Module Size 1 Teness wos n mm _ Horizontal 4348 4353
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