Related Manuals for AOC 931SW series
Summary of Contents for AOC 931SW series
- Page 1 Service Manual AOC 931SW+ LCD 显示器维修手册 Custom： Model： 931SW+ 本手册适用于主板为 715G3244-2(Scalar IC—RTD2270S) This manual applies to Main Board 715G3244-2(Scalar IC—RTD2270S)
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Page 2: Revision List
Service Manual AOC 931SW+ REVISION LIST Model Version Release Date Revision History TPV Model No T9ANR5NYNNACNNJ Sep-01-2010 Initial Release AOC 931SW+ T9ALR5NYNNACNNJ... -
Page 3: Table Of Contents
Service Manual AOC 931SW+ CONTENTS 1. LCD Specifications ........................... 4 1.1 Product Features ......................4 1.2 Factory preset modes ....................5 1.3 VGA Interface description .................... 5 2. Operation instruction ........................6 2.1 Control Buttons ......................6 ... -
Page 4: Lcd Specifications
Service Manual AOC 931SW+ 1. LCD Specifications 1.1 Product Features Monitor Model AOC 931SW+ Driving system TFT Color LCD 481mm（19inch） diagpnal LCD Panel Active Display Area 408.24mm (W)×255.15mm(H) Pixel Pitch 0.2835 mm×0.2835mm R,G,B Analog Interface，75ohm,0.7V Positive Video Input Separate Sync. -
Page 5: Factory Preset Modes
Service Manual AOC 931SW+ 1.2 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 640×480 31.469kHz 59.94Hz 640×480 35.00kHz 66.66Hz 640×350 37.861kHz 72.80Hz 640 × 480 37.50kHz 75.00Hz 640 × 480 31.469kHz 70.087Hz DOS-mode 720 × 400 31.469kHz 70.087Hz Mac-mode 832 ×624... -
Page 6: Operation Instruction
Service Manual AOC 931SW+ 2. Operation instruction Generalization 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. -
Page 7: Osd User Mode Adjustment
Service Manual AOC 931SW+ 2.2 OSD User mode adjustment a) OSD Menu adjustment steps: 1.Press MENU button to display OSD main menu of as below, Press Left button or Right button may select other main Menu. 2. Press MENU button to adjust items of each main menu. - Page 8 Service Manual AOC 931SW+ Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register. Standard Mode Standard Text Mode Text Internet Mode Eco mode Internet Game Mode Game Movie Mode Movie Sports Mode Sports...
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Page 9: Osd Lock Function
Service Manual AOC 931SW+ Red Gain from Digital-register User Green Green Gain Digital-register. Blue Blue Gain from Digital-register Color Boost Full Enhance on or off Disable or Enable Full Enhance Mode Nature Skin on or off Disable or Enable Nature Skin Mode... -
Page 10: Panel Feature
Service Manual AOC 931SW+ 3. Panel Feature The Panel- TPM190A1-WX108TC is a 19 inch wide TFT-LCD module with LED Backlght unit and a 30-pin 2ch –LVDS interface . This module supports 1400×900 WXGA mode and displays up to 16.7 millions colors.The converter module for the Backlight Unit is not built in. -
Page 11: Electrical Characteristics
Service Manual AOC 931SW+ 3.3 Electrical Characteristics a) TFT LCD module b) Backlight unit 3.4 TFT LCD Module Block Diagram... -
Page 12: Lcd Module Input Terminal Pin Assignment
Service Manual AOC 931SW+ 3.5 LCD module input terminal pin assignment Pin No Symbol Function Pin No Symbol Function RXO0- LVDS input odd RXE1- LVDS input even RXO0+ LVDS input odd GND Ground RXO1- LVDS input odd RXE2- LVDS input even... -
Page 13: Block Diagram
Service Manual AOC 931SW+ 4.Block Diagram 4.1 LCD Block Diagram LCD Block Diagram 2-CCFL Backlight Panel LVDS DC-AC inverter Main Board AC-DC (5V/12V) Power Board Computer VGA Key board AC supply 90V-264V Input signal 4.2 MainBoard Block Diagram Crystal 14.318MHZ... -
Page 14: Power Board Block Diagram
Service Manual AOC 931SW+ 4.3 Power Board Block Diagram Fuse Smoothing Rectifier Transformer Capacitor T901 Rectifier C905 AC input 100-240V Rectifier IC-PWM IC901 Q901 Rectifier Sense resistor Power part regulating PhotoCoupler Sampling Switching MOS DC-AC Resonance NET 16V DC Q802-AM9945... -
Page 15: Software Flow Chart
Service Manual AOC 931SW+ 4.4 Software Flow Chart Start Software Flow Chart Initial_MCU To Write default values Check if DataBuffer Is blank &Check if Sum is changed ? Brightness Contrast Language Read parameter_from Buffer InputType InputTimingStableCounter OsdCounter PowerDownCounter Init_GlobalVariables Initial_MCU Device... -
Page 16: Circuit Schematic
Service Manual AOC 931SW+ 5. Circuit Schematic 5.1 Main Board-715G3244-2-2 Input part---VGA/DDC FB102 R104 C101 H_Sy nc R101 0R05 1/10W 5% R102 100R 1/16W 5% VGA_B+ DSUB_H DSUB_B+ 5 V_Sy nc R103 100R 1/16W 5% BEAD DSUB_V 100R 1/16W 5% 0.047uF... - Page 17 Service Manual AOC 931SW+ Power part---5V/3.3V/1.8V CMVCC CMVCC1 VCC3.3 VCC3.3 VCC3.3 4,5,6 CMVCC R480 R465 R491 R439 2.2 OHM 2W VCC1.8 10K 1/16W 5% 10K 1/16W 5% R479 CN404 BKLT-EN VCC1.8 CMVCC1 Q410 Q406 MMBT2907AK CMVCC 2N3904S-RTK/PS C432 C423 CMVCC1 4,5,6...
- Page 18 FB401 Flash. U401 VCC3.3 300OHM VCTRL VCTRL C403 C404 U402 LVA3P 0.1uF/16V 0.1uF/16V DSUB_R+ RIN0P LVA3M 010A Befor AOC ID2007 OSD DSUB_R- RIN0M PA[0..1] DSUB_G+ GIN0P PA[0..1] DSUB_G- GIN0M LVA2P 020A For ID2008 ID2009 DSUB_SOG SOGIN0 LVA2M DSUB_B+ BIN0P LVA1P...
- Page 19 Service Manual AOC 931SW+ Output---LVDS/Panel_Vcc PANEL_VCC PA[0..1] PA[0..1] CN403 PA[4..9] PA[4..9] R477 R434 C420 150R 1/4W 5% 150R 1/4W 5% 0.1uF/16V PANEL_VCC CN405 PB[0..9] PB[0..9] AO3401L VCC3.3 CMVCC NC/CONN 4,5,6 CMVCC R438 R437 NC 0R05OHM1/16W CONN 2006-11-7 Add pull up 4K7 to MVCC VCC3.3...
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Page 20: Power Board 715G2510-2-4
Service Manual AOC 931SW+ 5.2 Power Board 715G2510-2-4 ---adapter 14V/5V 1/4W R918 R945 R941 R944 +14V 钳位电路 1/4W R919 L904 C912 1.1uH ZD902 KBP208G C942 0.001uF RLZ TE-11 16B BD901 1/4W R920 470UF/25V 93G 39S 61 T 070522,因AUDIO... - Page 21 Service Manual AOC 931SW+ 715G2510-2-4--- Inverter J810 BOM change BOM change 2008-08-20 2008-08-20 R817 0R05 1/8W +14V BEAD Q805 ZD802 ON/OFF 71G 55 9 T RLZ5.6B ZD803 G1 D1 RLZ5.6B R816 0R05 1/8W R803 R804 CN801 AO4620 PT801 5K1 1/8W 5%...
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Page 22: Key Board 715G3098-2-2
Service Manual AOC 931SW+ 5.3 Key Board 715G3098-2-2 LED_RED# LED_GRN# LED001 CN001 SPKR_R+ SPKR_R- SPKR_L+ SPKR_L- LBADC1 R002 2K OHM 1% 1/10W LBADC2 DC_POWERON R003 0 OHM 1% 1/10W LED_GRN# LED_RED# C001 C002 C003 C004 C005 R004 2K OHM 1% 1/10W... -
Page 23: Exploded Views
Service Manual AOC 931SW+ 6.Exploded Views... -
Page 24: Pcb Layout
Service Manual AOC 931SW+ 7. PCB Layout 7.1 MainBoard- 715G3244-2-2... -
Page 25: Powerboard 715G-2510-2-4
Service Manual AOC 931SW+ 7.2 PowerBoard 715G-2510-2-4... -
Page 26: Keyboard 715G3098 2 2
Service Manual AOC 931SW+ 7.3 KeyBoard 715G3098 2 2... -
Page 27: Trouble Treatment
Service Manual AOC 931SW+ 8.Trouble treatment 8.1 Maintainability Requirement Voltmeter. & digital multimeter Oscilloscope. Pattern Generator. DDC Tool with Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual. repair tools etc 8.2 Trouble Shooting Main Board--- No Power... - Page 28 Service Manual AOC 931SW+ No picture (LED orange) No picture Check flow chart for the no signal Check signal wire Replace signal wire Check U404 Vout=3.3V; Q409-out=1.8V replaceU404,Q409,Q410,Q405 &around device check X401 waveform replace X401 Check CN101-RGB/HS/VS Check Correspondent component...
- Page 29 Service Manual AOC 931SW+ White screen Check flow chart White screen For the white screen Measure Q404-base Check X401 waveform is low level? Replace X401 Check Q405=5V Check U402 Or CN403 solder? Check around Check around device device Check connector...
- Page 30 Service Manual AOC 931SW+ Power Board--- No Power 5V/14V Check CN901 Check flow chart 100-240V？ For the no power Check AC supply Check rectified voltage-C905 checkFuseF901/ rectified device L902/BD901/C901/C902 Check voltage of IC901-3pin check component R904/R932/R933 Check T901(1-3)out-Vcc Check D901/R909/C903...
- Page 31 Service Manual AOC 931SW+ No Backlight of panel Check flow chart for the Check voltage of J810-14V？ Inverter No Backlight Open J810, voltage-14V Return check Power Check ON/OFFsignal After Power off,check Check main board C816/C804/Q805/Q80 Check IC801 -11pin=5V pinRT waveform?
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Page 32: Software Update Step（Sop
Service Manual AOC 931SW+ Key Board--- OSD no working Check flow chart OSD is unstable or not For the key board working Connect Key Pad Board Is Key Pad Board connecting normally? Is Button Switch normally? Replace Button Switch Is Key Pad Board normally? - Page 33 Service Manual AOC 931SW+ Step2：Installing driver software 1.To install the USB driver software, mstar ISP Driver3-DB07-6-XP-driver Realtek tool ---RTD ISP Tool Prepared 步骤 3 Run RTD ISP Tool 1. PC-“Start”—“Program”--...
- Page 34 Service Manual AOC 931SW+ The figuer is as follows “SerialFlash”， 2.Click “ISP”,selected The figuer is as follows...
- Page 35 Service Manual AOC 931SW+ “ISP Option”，“BasicSetting”， 3. Click 4. Click “FlashProtect”，selected “LPA Series—Pin28”， as shown below.
- Page 36 Service Manual AOC 931SW+ ”，no load“HDCP key”, “ ， as shown below. 5. Click Page Select protect the original HDCP data “ ”， 6. Click BigBin The machine's software to find the right path to the file, open:...
- Page 37 Service Manual AOC 931SW+ 7. Click ,Programming...
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Page 38: Writing Ddc Program Step
Service Manual AOC 931SW+ 8.4 Writing DDC program step 1. Prepared the PC with Windows XP system, DDC recording device (12V)for figure below 2. Connect the DDC recording device and the PC through PC parallel port 3. setup “Port95nt” driver program to PC , 4. - Page 39 Service Manual AOC 931SW+...
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Page 40: Factory Mode Adjustment
Service Manual AOC 931SW+ 8.5 Factory mode adjustment Press Menu button (hold on, do not release) and re-plug power cable , the monitor will may enter Factory OSD Menu. Then Press Factory OSD Menu will appear in the screen. By select this “F” button to enter Factory OSD Menu. -
Page 41: Bom List
Service Manual AOC 931SW+ 9.BOM List 9.1 Model：T9ANR5NYNNACNNJ Note: The parts information listed below are for reference only, and are subject to change Location Part number Description Remark 040G 58160811A GREEN DOT LABEL 040G 581689 4A BARCODE LABEL FOR 1... - Page 42 Service Manual AOC 931SW+ U102 056G 662 48 ESD PROTECT AZC399-04S.R7G SOT23-6L U103 056G 662 48 ESD PROTECT AZC399-04S.R7G SOT23-6L U405 056G1133 34 EEPROM M24C02-WMN6TP 2Kb SO-8 U402 056G1133137 IC MX25L2026MI-12G SOP-8 U402 056G2233501 FLASH MX25L2026DM1I-12G 2Mb SOP-8 Q402 057G 417517...
- Page 43 Service Manual AOC 931SW+ R115 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R114 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R111 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R108 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN...
- Page 44 Service Manual AOC 931SW+ R476 061G0402470 JY RST CHIPR 47 OHM 5% 1/16W YAGEO R435 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA R440 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA R472 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA...
- Page 45 Service Manual AOC 931SW+ C114 065G040210412K CAP 0402 0.1UF 10% 16V X7R 2nd source C414 065G040210412K CAP 0402 0.1UF 10% 16V X7R 2nd source C415 065G040210412K CAP 0402 0.1UF 10% 16V X7R 2nd source C416 065G040210412K CAP 0402 0.1UF 10% 16V X7R...
- Page 46 Service Manual AOC 931SW+ ZD103 093G 39GA01 T RLZ5.6B 715G3244 2 2 MAIN PCB FR-4 D/S 65X64MM T1.6MM J07G 1 S140 wooden pallet J07G 1 S141 wooden pallet J11G 800 5 支撑钉 J12G8B03931 FOOT J15G8B20931 A MAIN FRAME J33G8B13ABJ L...
- Page 47 Service Manual AOC 931SW+ R005 061G06031001FT RST CHIP 1K 1/10W 1% 2nd source R002 061G06032001FF RST CHIP 2KOHM 1% 1/10W FENGHUA R004 061G06032001FF RST CHIP 2KOHM 1% 1/10W FENGHUA R002 061G06032001FT RST CHIP R 2Kohm 1/10W +/-1% 2nd source R004...
- Page 48 Service Manual AOC 931SW+ C921 065G306M2222BP CAP Y1 2.2NF 20% 250V Y5P C905 067G 40Z10115H2010 EC 100UF 20% 450V 18*36 C905 067G 40Z10115K CAP 105C 100UF M 450V 2nd source C922 067G215D4714KV EC 470UF 20% 25V 10*16 C922 067G215D4714LV LOW ESR EC 470uF 25V M 10*16mm...
- Page 49 Service Manual AOC 931SW+ Q90G6263 7 HEAT SINK 705GQ9KA 93001 D906 ASS"Y 051G 200 1 OIL FOR DISAPPEAR D906 093G 60239 FME-210B T0-220 D906 093G 60522 DIODE MBR10150FCT PANJIT 2nd source 0M1G 930 8120 SCREW 3x8 Q90G0117 2 HEAT SINK...
- Page 50 Service Manual AOC 931SW+ R837 061G0603820 1F RST CHIP 8K2 1/10W 1% R811 061G0603820 2F NO-SUGGEST RST CHIPR 82 KOHM +-1% 1/10W R810 061G0603910 2F RST CHIP 91K 1/10W 1% R943 061G0805102 JF RST CHIPR 1K OHM +-5% 1/8W FENGHUA...
- Page 51 Service Manual AOC 931SW+ R912 061G1206221 JI RST 1206 220R 5% 1/4W R912 061G1206221 JT RST CHIPR 220 OHM +-5% 1/4W TZAI YUAN 2nd source R933 061G1206304 JF RST CHIPR 300KOHM +-5% 1/4W FENGHUA 2nd source R932 061G1206304 JF RST CHIPR 300KOHM +-5% 1/4W FENGHUA...
- Page 52 Service Manual AOC 931SW+ D806 093G 64 42 L DIODE LBAV70LT1G SOT-23 LRC D807 093G 64 42 L DIODE LBAV70LT1G SOT-23 LRC D808 093G 64 42 L DIODE LBAV70LT1G SOT-23 LRC D808 093G 64 42 P BAV70 SOT23 BY PAN JIT...
- Page 53 Service Manual AOC 931SW+ D801 093G 6451652T 1N4148 2nd source D801 093G 6452452T SWITCHING 1N4148-B4006 0.2A 100V DO-35 J813 095G 90 23 JUMPER WIRE J814 095G 90 23 JUMPER WIRE J815 095G 90 23 JUMPER WIRE J901 095G 90 23...