AOC193Sw液晶维修手册电路图英文版

1、19 lcd color monitor aoc 193sw1service serviceservice horizontal frequency 30- 83 khz table of contents description page description page 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

2、when servicing electronic equipment containing high voltages.table of contents.1revision list.2 1. monitor specification.4 2. lcd monitor description.53. operation instruction.63.1. general instructions.63.2. control buttons.63.3 adjusting the picture.74. input/output specification.104.1. input sign

3、al connector.104.2. factory preset display modes.104.3. panel specification.115. block diagram.135.1 software flow chart.135.2. electrical block diagram.156. schematic.176.1 main board.176.2 power board.237. pcb layout.267.1 main board.267.2 power board.288. maintainability.328.1. equipments and too

4、ls requirement.328.2. trouble shooting.339. white-balance,luminance adjustment.3810. monitor exploded view.3911. bom list.4012.different parts list58caution: use a separate isolation transfomer for this unit when servicingr for th unit when sci19 lcd color monitor aoc 193sw2revision listversiondater

5、evision historytpv model namea00feb.-26-07initial releaset95mm4hbwca2nsa01may.-14-07add new bomt95mm4hcwca1na02may.-18-07add new bomt95mm4dcwca1na03oct.-30-07add new bomt95mm4hcwca3nn19 lcd color monitor aoc 193sw3important safety notice proper service and repair is important to the safe, reliable o

6、peration 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

7、 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 impo

8、rtant 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

9、 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 co

10、mpany will be referred to as aoc. warninguse of substitute replacement parts, which do not have the same, specified safety characteristics might create shock, fire, or other hazards.under no circumstances should the original design be modified or altered without written permission from aoc. aoc assu

11、mes 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 ot

12、her 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 manufacturers replacement parts, which are listed with their part num

13、bers 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 scree

14、n.-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 persons body is grounded through wristband. -do not leave th

15、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 lcd color

16、 monitor aoc 193sw41. monitor specification itemsdescriptiondriving systemtft color lcdsize48 cm (19.0”)panelm190a1-l02display area414.36 (h) x260.45 (v) (19.0) pixel pitch0.285mm(h) x 0.285mm(v)viewable angle170 (h) 160 (v)response time (typ.)5msbrightness300cd/mlcd panelcontrast850:1input connecto

17、r15-pin d-subvideoanalog:0.7vp-p(standard),75 ohm, positivesync. typeh/v ttl h-frequency30khz 83khzinputv-frequency55-75hzdisplay colors16.2mdot clock135mhzresolution1440 x 900 60hzplug & playvesa ddc2btmon mode36w switch off mode1wpower consumptionoff mode2wpower source100240vac,5060hzenvironme

18、ntalconsiderationsoperating temp: 5c to 35c storage temp.: -20c to 60coperating humidity : 10% to 85%storage humidity: 15% to 90%dimension440(mm)356(mm)215(mm) (w hd)weight (n. w.)4.0kg unit (net)19 lcd color monitor aoc 193sw52. lcd monitor description the lcd monitor will contain a main board, a p

19、ower 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 each voltage. video signal, ddcpower boardflat panel and ccfl backlightmain board rs232 connectorfor

20、 white balance adjustment in factory modehost computerccft drive.ac-in110v -240vmonitor block diagramadapter board19 lcd color monitor aoc 193sw63. operation instructions 3.1 general instructions press the power button to turn the monitor on or off. the other control knobs are located at front panel

21、 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.3.2 control buttons

22、 19 lcd color monitor aoc 193sw7 power button: press this button to switch on/off of monitors power. menu / enter: active osd menu or function adjust confirm or exit osd menu when in brightness/contrast osd status. contrast: adjust contrast or function adjust. brightness:adjust brightness or functio

23、n adjust. 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 over 2 seconds to activate the auto adjustment function.the auto adjustment function is used to set the hpos, vpos, clock and f

24、ocus. power indicator:blue full power mode.orange active-off mode.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 pres

25、s power button to turn the monitor on.notesdo not install the monitor in a location near heat sources such as radiators or air ducts, or in a place subject to direct sunlight, or excessive dust or mechanical vibration or shock.save the original shipping carton and packing materials, as they will com

26、e in handy if you ever have to ship your monitor.for maximum protection, repackage your monitor as it was originally packed at the factory.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 solu

27、tion. never use strong solvents such as thinner, benzene, or abrasive cleaners, since these will damage the cabinet. as a safety precaution, always unplug the monitor before cleaning it.19 lcd color monitor aoc 193sw83.3 adjust the picture 1. press the menu-button to activate the osd window.2. press

28、 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. pr

29、ess 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.main menu itemmain menu iconsub menu itemsub menu icondescriptionadjust rangereset valuecontrastcontrast from digital-register.0-100recall

30、 cool contrast valueluminancebrightnessbacklight adjustment0-100recall cool brightness valuefocusadjust picture phase to reduce horizontal-line noise0-100do auto configimage setupclockadjust picture clock to reduce vertical-line noise.0-100do auto configh. positionadjust the horizontal position of t

31、he picture.0-100do auto configimage positionv. positionadjust the vertical position of the picture.0-100do auto configwarmn/arecall warm color temperature from eeprom.n/acooln/arecall cool color temperature from eeprom.n/acolor temp.srgbn/arecall srgb temperature from eeprom. n/athe color temperatur

32、e will be set to cool.the user r/g/b value (default is 19 lcd color monitor aoc 193sw9user / redred gain from digital-register.0-100user /greengreen gain from digital-register.0-100user / blueblue gain from digital-register.0-100100) will not be modified by reset function.yesn/aauto adjust the h/v p

33、osition, focus and clock of picture.n/an/aauto config(analog-only model)non/ado not execute auto config, return to main menu.n/an/ah. positionadjust the horizontal position of the osd.0-10050v. positionadjust the vertical position of the osd.0-10050osd setuposd timeoutadjust the osd timeout.10-12010

34、languagelanguagen/aselect the language you liken/athe language will be set to english.informationinformationn/ashow the resolution, h/v frequency and input port of current input timing.n/an/ayesn/aclear each old status of auto-configuration and set the color temperature to cool.n/an/aresetnon/ado no

35、t execute reset, return to main menu.n/an/aexitn/an/aexit osdn/an/a19 lcd color monitor aoc 193sw104. input/output specification 4.1 input signal connector pinsignalpinsignal1red video95v2green video10detect cable3blue video11monitor ground4gnd12ddc-serial data5gnd13h- sync6gnd-r14v- sync7gnd-g15ddc

36、-serial clock8gnd-bvga connector layout4.2. factory preset display modes19 lcd color monitor aoc 193sw114.3. panel specification m190a1-l02 is a 19” wide tft liquid crystal display module with 4 ccfl backlight unit and 30 pins 2ch-lvds interface. this module supports 1440 x 900 wxga+ mode and can di

37、splay 16.2m colors. the inverter module for backlight is not built in.4.3.1 general feature- super wide viewing angle.- super high contrast ratio- super fast response time- high color saturation- wxga+ (1440 x 900 pixels) resolution- de (data enable) only mode- lvds (low voltage differential signali

38、ng) interface- rohs compliance 4.3.2 mechanical information19 lcd color monitor aoc 193sw124.3.3 optical characteristics test conditionsoptical specification19 lcd color monitor aoc 193sw 135. block diagram5.1 software flow chart12ny5yn10yn12yn7yn64389141113yn15yn161719yn1819 lcd color monitor aoc 1

39、93sw 14remark:1) mcu initialize.2) is the eeprom blank? 3) program the eeprom by default values.4) get the pwm value of brightness from eeprom. 5) 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 eepr

40、om.turn on the led and set it to green color.scalar initialize.10) in standby mode? 11) update the lifetime of back light.12) check the analog port, are theyre 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 p

41、ort? 16) display no connection check signal cable message. and go into standby mode after the message disappear.17) program the scalar to be able to show the coming mode.18) process the osd display.19) read the keyboard. is the power key pressed? 19 lcd color monitor aoc 193sw 155.2 electrical block

42、 diagram5.2.1 main board mcumtv512gmv (u601)scalar ic tsu16ak(include adc, osd)(u401)eepromm24c16(u602)(u9) (u1)d-subconnector(cn301) (u1)eepromm24c02(u301)(u9) (u1)h syncv syncrgbdb15_sda,db15_sclepr_sdaepr_scllcd interface(cn503)(u9) (u1)key board controlcrystal24mhz(x601)crystal14.318mhz(x401)19

43、lcd color monitor aoc 193sw 165.2.2 inverter / power board ac inputcon102 emi filterbridge rectifier and filterpwm control ictransformerover voltage protect5vpwm control icfeedback circuitosc and output circuitdc convert circuitmosfetq203/q204over voltageprotectlampon/offdimpwmfeedback circuiton/off

44、 controlq201/q202start circuit: r903、r904rectifier diodeu10112v19 lcd color monitor aoc 193sw176. schematic 6.1 main board vaa4vaa3vcc5vvcc1.8vlcdpa0.9b42.poweronpanel_5v/3.3vonbackliteadjbacklitevcc3.3vcc1.8vaa1vaa2vaa3vaa4vcc5vvcc12vvlcdvcpuvaa2vaa4b13.inputringinbinvsyncgndrgndggndbst_det1hsyncso

45、gddc_clkddc_datr+r-g-g+b+b-clk+clk-txdrxdddc_wpdvi_detddcci_selvcc12vvcpuvcc1.8vcc3.3b24.scalerringinsogbingndrgndggndbhsyncvsyncr+r-g-g+b+b-clk+clk-cszsclsdahwresetintvolumeadjbacklitepa0.9pb0.9vcc1.8vcc3.3vaa1vaa2vaa3vaa4ad0ad1ad2ad3vaa1vcc5vb55.panel interfacevlcdpb0.9pa0.9b36.mcuonbackliteonpane

46、l_5v/3.3vsdaintcszddc_datst_det1sclhwresetddc_clkvolumevcc5vvcc12vvcpurxdtxdad0ad1ad2ad3ddc_wpdvi_detddcci_selvcpuvlcdvaa1tsu16/56ak schematictopbtsu16/56ak for myson512 switchb16sunday, february 06, 2005titlesizedocument numberrevdate:sheetofpb0.9vaa3vcc3.3vcc12vvaa219 lcd color monitor aoc 193sw18

47、gnd+c21147uf/16vvaa2r2090 1/16wc2050.1ufgndh4screw3.2rm123456789123456789vcc5vvlcdr2124.7k 1/16wr20210k 1/16wvcc5vvcc5v+h1screw3.2rm123456789123456789vaa24on_offvcc5vr2054.7k 1/16wr2014.7k 1/16wonbacklite 6vcc12vadjbacklite42004/09/05 addtouch panelpowervcc5v3,4,6+c21547uf/16vvcpu6vcc5vcber213ncc207

48、0.1ufvaa14sot-252vaa1vaa4r21551k 1/16wq202pmbs3904cebvcc5vvcc1.84cn201conn246810121357911to-263fb201ncvcpudim+c20810uf/16vu201az1117d-1.8321vivogndr214ncr210ncvlcd5cbecn202conn12c2140.1ufvcc5v+d202gs1dvcc3.3vcc5vc2190.1uf/16vpitch 2.0c2030.1ufr20810k 1/16wc2061uf/25vgndvcc5v+c21847uf/25vvaa34c2170.1

49、uffb202600 ohmvcc12vr21110k 1/16w+c202220uf/25vvcpuc2160.1ufq204pmbs3904ceb+c204220uf/25vpowerbtsu16/56ak for myson512 swichb26sunday, february 06, 2005titlesizedocument numberrevdate:sheetofc2010.1ufvcc5vc2100.1ufd201ss14vcc3.3vcc12vr2074.7k 1/16wgndbrightnessr20610k 1/16wc2120.1ufr2031k 1/16wvcc1.

50、8vcc12vu202aic1084-33m312vinadjvoutvcc12vvaa44onpanel_5v/3.3v6r20410k 1/16wvcc12v6vcc5vgndgndvcc5v+q201pmbs3904cebq203ao3401vaa3vcc3.34h2screw3.2rm123456789123456789gnd19 lcd color monitor aoc 193sw19gndg42004/09/05add esdsolutionr3374.7k 1/16wvcc5vdat_ddcr32775 1/16wc302nc2004/08/19 addst_det16hsid

51、314ll5232b 5.6v 5%dsubddc_5vvcc5vr32575 1/16wvsync4r319100 1/16w8/9/2004-add dvicable detectdviddc_5vd325mll5232b 5.6vr3111k 1/16wr3364.7k 1/16wdat_ddc2c3210.1uf r342ncd301bav99312r3142.2k 1/16wc3060.047ufvcc5v8/9/2004-add ddc/cisolutiond323tzmc5v6-gs08 ncr3101k 1/16wc3230.1uf r34610 1/16wddc_dat6r3

52、16100 1/16wr32410k 1/16wvsid322tzmc5v6-gs08 ncc3140.1uf c3190.1uf c312220pfr3354.7k 1/16wd326bav70312hsync4d303bav99312d321tzmc5v6-gs084/2/2004-add w/p control by mcud308bav99312r30668 1/16wr-4pc5vvcc5vr34510 1/16wd317tzmc5v6-gs08c31147pfbin4gndb4c3180.1uf r33110k 1/16wddc_clk6r330ncr329ncr32110k 1/

53、16w r334ncddc_clk6r34910 1/16wr309100 1/16wvga_conc3130.1ufr35010 1/16wr304470 1/16wd318tzmc5v6-gs08c3080.047ufc303ncd310bav99312d311bav99312fb304430 ohmvcc5vclk+4u30374vhc4053121121546131091415378160asa0b1b0czcinh1asbsczazb1cveegndvccfb3020 1/16wr31810k 1/16wc3050.047uf4/2/2004-add r329,r330vcc5vc3

54、100.047ufcn302jack nc12345678252891011121314151626291718192021222324273132dat2-dat2+2/4shielddat4-dat4+ddc sclddc sdavsyncrhsyncdat1-dat1+1/3shielddat3-dat3+5vsync gndhpdgrgb gnddat0-dat0+0/5shielddat5-dat5+clk shieldclk+clk-b3132r31710k 1/16wd319tzmc5v6-gs08r3132.2k 1/16wd306bav99312c3240.1uf fb301

55、0 1/16wpc5vtxd64/2/2004-add d324 solutionc3160.1ufc3220.1uf c301ncr32675 1/16wr30233 1/16wgin4d304bav70312clk-4u302m24c02wmn612345678a0a1a2gndsdasclwpvccr315100 1/16wrin4r30768 1/16woperatingvoltage-2.5v-5.5vu301m24c02wmn612345678a0a1a2gndsdasclwpvccg+4vcc5vr312100 1/16wr30568 1/16wr30133 1/16wc3070

56、.001ufddcci_sel6c3040.047ufr30810k 1/16woperatingvoltage-2.5v-5.5vd324bav99/nc312c3090.047ufd320tzmc5v6-gs08d307bav99312d309bav99312ddc_dat6r333ncgndr4d313bav99312dvi_hpdc3250.1uf b-4inputbtsu16/56ak for myson512 switchc36sunday, february 06, 2005titlesizedocument numberrevdate:sheetofdvi5vcn301db15

57、1627384951112131415101617c3200.1uf fb3030 1/16wrxd6g-4q301pmbs3904cebr33810k 1/16wclk_ddc2r+4r3321k 1/16wd305bav70312r320100 1/16w c3170.1ufddc_wp6d302bav99312r34410 1/16wr34810 1/16wvcc5vdsubddc_5vd316ll5232b 5.6v 5%r34710 1/16wsog4vcc5vr341ncd312bav99312r30333 1/16wdviddc_5vd315ll5232b 5.6v 5%r343

58、10 1/16wr3394.7k 1/16wdvi5vr3400 1/16wdvi_det6b+4clk_ddcr32310k 1/16wc3150.1uf 19 lcd color monitor aoc 193sw20fb403600 ohmr40710k 1/16wvpllpa8c4070.1ufncad36vaa12scalerbtsu16/56ak for myson512 switchb46sunday, february 06, 2005titlesizedocument numberrevdate:sheetofad16ad26vdpllpb8r401nccsz6vcc1.82

59、4.7kc4230.1ufvadpa9rin3fb404600 ohm3-wirec4150.1ufgndr3pb1b-3pb0.95pa2+c41410uf/16vc4130.1ufpa4c4210.1uf+c41910uf/16vint6r40410k 1/16wvpovcc1.8vaa2pa5r403390 1/16wpa1sog3vsync3vdd+c42210uf/16vpb9clk+3pa0vdviad06c4250.1ufpb6vcc3.32pb3c4160.1ufhwreset6vaa32vddvpllfb406600 ohmscl6pb7c4180.1ufc4040.1ufv

60、aa1pa7c4120.1ufpb4c4280.1ufbin3pa3vcc5vr+3+c40510uf/16vfb401600 ohmg-3fb405600 ohmvadpb0volume6g+3vdvic4060.1ufhsync3vpoc4260.1ufu401tsu16/56ak63606158625957373840414344464749505266676970713272737410755354535111218494104114126188797117395636254421020859511512719869610511633341081091101111121131181191201