AOC 511Vwb Service Manual Download Page 30 | Manualshive

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15” LCD Color Monitor AOC 511Vwb

30

2.) No Backlight

Check F801=12V

NG

OK

Check adapter and F801

Check ON/OFF signal

Check Interface board or main board

Check IC801 PIN

Change on/off circuit

Check IC801 PIN13 have triangle wave

Check IC801 IC801 PIN

Check Q802/Q803

Check the output of PT801

Check connecter & lamp

OK

NG

Change PT801

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Summary of Contents for 511Vwb

Page 1: ...l Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 8 4 1 Input Signal Connector 8 4 2 Factory Preset Display Modes 9 4 3 Power Supply 9 4 4 Panel Specification 9 5 Block Diagram 11 5 1 Software Flow Chart 11 5 2 Electrical Block Diagram 13 6 Schematic 15 6 1 Main Board 15 6 2 Inverter Board 21 6 3 Adapter Board 22 7 PCB Layout 23 7 1 Main Board 23 7 2 Ad...

Page 2: ...15 LCD Color Monitor AOC 511Vwb 2 Revision List Revision Date Revision History TPV Model A00 Feb 28 07 Initial Release T56CRXNQWYACNJ h t t p w w w w j e l n e t ...

Page 3: ...s 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 co...

Page 4: ... Hz Plug Play VESA DDC2BTM DDC CI Input Connector D Sub 15 pin Input Video Signal Analog 0 7Vp p standard 75 OHM Positive Power Source DC12V 3 5A Power on 15W Resolution Power Consumption Standby 1W Connector Type 15 pin Mini D Sub Signal Cable Type Detachable Dimensions Weight Height with base 329 2mm Width 365mm Depth 146mm Weight monitor only 1 6Kg Physical Characteristics Weight with packaging...

Page 5: ...panel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel and the DC DC conversion AC IN 100V 240V Inverter board Flat Panel and CCFL backlight Main board RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive Video signal DDC Monitor Block Diagram Key board Adapter board h t t p w w w w j e l n e t ...

Page 6: ...Power Button Press this button to turn the monitor ON or OFF Auto Config 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 for 2 seconds to activate the Auto Adjustment function The Auto Adjustment function is used to set the HPos VPos Clock and Focus Eco Mode Select the display model or adjust the value Move ...

Page 7: ... turn the monitor on 5 Press Auto key continually for 7 sec to turn on or off DDC CI Luminance Adjust Range Description Brightness 0 100 Backlight Adjustment Contrast 0 100 Contrast from Digital register Standard Standard Mode Text Text Mode Internet Internet Mode Game Game Mode Movie Movie Mode Eco mode Sports Sports Mode Gamma1 Adjust to Gamma1 Gamma2 Adjust to Gamma 2 Gamma Gamma3 Adjust to Gam...

Page 8: ...t Frame Saturation H position Adjust Frame horizontal Position Position V position Adjust Frame vertical Position Bright Frame on or off Disable or Enable Bright Frame OSD Setup H Position 0 100 Adjust the vertical position of OSD V Position 0 100 Adjust the horizontal position of OSD Timeout 0 100 Adjust the OSD Timeout Language Select the OSD language Extra Auto Config yes or no Auto adjust the ...

Page 9: ... 47 776 kHz 60 0Hz WXGA 1280 x 800 49 306 kHz 60 0Hz 4 3 Power Supply The power supply should be integrated to the monitor housing A C Line voltage range 100 V 240 V A C Line frequency range 50 3Hz 60 3Hz Current 1 5A max at 100V 0 8A max at 240 V Power line surge No advance effects no loss of information or defect With a maximum of 1 half wave missing per second Adapter Output Voltage 12VDC 5 Cur...

Page 10: ...15 LCD Color Monitor AOC 511Vwb 10 4 4 2 Optical Characteristics 4 4 3 Parameter guide line for CCFL Inverter TFT LCD Module Back Light Unit h t t p w w w w j e l n e t ...

Page 11: ...15 LCD Color Monitor AOC 511Vwb 11 5 Block Diagram 5 1 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 h t t p w w w w j e l n e t ...

Page 12: ...t 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 standby mode after the message disappears 17 Program the scalar to ...

Page 13: ...15 LCD Color Monitor AOC 511Vwb 13 5 2 Electrical Block Diagram 5 2 1 Main Board h t t p w w w w j e l n e t ...

Page 14: ...ircuit Transformer Lamp PWM CN802 Control IC IC801 PWM MOSFE Drive ENA DIM 12V Start Circuit R908 R909 R910 EMI Bridge Rectifier and Filter PWM Control IC Transformer Over Voltage Protect Rectifier diodes AC input DC 12V OUTPUT Feedback Circuit MOSFET Q901 h t t p w w w w j e l n e t ...

Page 15: ...Number Rev Date Sheet of C507 0 1uF 16V CN501 2pin change to 5pin INVON C517 100uF 16V C516 0 1uF 16V 5V U502 AP1084K33LA 3 1 2 VIN ADJ VOUT 5V C514 0 1uF 16V R505 220R 1 10W C503 0 1uF 5V 3V3 3V3 12V U503 change to SOT 252 for temperature issue VCC3 3 4 5V R508 4K7 1 10W R506 4K7 1 10W C522 0 1uF 12V C513 0 1uF 16V R501 0R05 1 10W A L501 BEAD 3 2 1 6 5 4 U503 AIC1084 33PE 1 2 3 ADJ Vo2 Vin R510 1...

Page 16: ...99 3 1 2 RED G2417 C X X 1 20061225 B 3 7 Friday January 26 2007 Title Size Document Number Rev Date Sheet of R216 100R 1 10W 5V R203 75R 1 10W R220 NC 10K 1 10W A RTD_H ZD205 MLL5232B 5 6V 1 2 R210 10MΩ 1 10W R218 0R05 1 10W 5 RTD_B INPUT DDC1_SCL RTD_B HSI CN201 CONN 2 4 6 8 10 12 14 1 3 5 7 9 11 13 ZD204 MLL5232B 5 6V 1 2 GREEN FB202 30 OHM R208 100R 1 10W R206 100R 1 10W SCL_VGA VGA_CON C211 0...

Page 17: ...0 P5 1 PWM1 P5 2 PWM2 P5 3 PWM3 P5 4 PWM4 LED2 KEY_LEFT R118 4K7 1 10W 3 VCC3 3 DDC1_SCL FB101 60 OHM 1 MCU_VCC IICSCL PC5V R106 4K7 1 10W CRYSTAR_OUT MCU_VCC R112 4K7 1 10W RTD_SD3 SDI IICSCL INVON C104 10pF R102 4K7 1 10W MCU_VCC RXD IICSDA KEY_ENTER R119 4K7 1 10W IICSDA U102 NC MAX810STRG 1 2 3 GND RESET VCC R108 4K7 1 10W R125 0R05 1 10W KEY_LEFT VCC3 3 R122 100R 1 10W RTD_SD3 SDI R110 4K7 1 ...

Page 18: ...E3 TXE3 TXE2 TXE2 TXO1 TXO1 TXO2 TXO2 TXOC TXOC TXO3 TXO3 TXE0 TXE0 TXE1 TXE1 V0 RX2N VCLK RX2P TMDS_VDD XIN DDCSCL PWM0 DDCSDA PWM1 IRQ SCL SDA VCCK PGND TXO0 TXO0 RTD_DDCSCL RXO1 RTD_SD3 SDI RXO0 RTD_SCLK VCC3 3 RTD_B RTD_B C407 100uF 16V RTD_DDCSDA C401 0 1uF 16V DDC1_SCL RTD_H PLL_VDD DGND RTD2025L G2417 C X X 1 20061225 B 5 7 Friday January 26 2007 Title Size Document Number Rev Date Sheet of...

Page 19: ... 2 3 C409 0 1uF 16V LED2 LED_G C413 0 1uF 16V key G2417 C X X 1 20061225 A 6 7 Friday January 26 2007 Title Size Document Number Rev Date Sheet of R405 100R 1 10W LED_O R410 100R 1 10W C414 0 1uF 16V POWER KEY_LEFT LEFT R411 100R 1 10W A R407 100R 1 10W R412 390R 1 10W RIGHT LED_O LED_G LED_O C410 0 1uF 16V LEFT R409 100R 1 10W ENTER C412 0 1uF 16V R406 100R 1 10W Q402 PMBS3906 1 2 3 LED_G h t t p...

Page 20: ...RXE2 RXE2 RXE0 RXE1 A RXO0 RXE0 RXE1 R414 180R 1 10W RXO1 RXE1 RXO2 RXE0 RXO1 RXE1 FB401 120Ω RXE0 VLCD 2 RXE0 RXO1 VLCD RXO2 RXOC RXEC RXOC RXEC RXO0 RXO0 RXOC RXEC RXO0 RXO0 C417 0 1uF CN402 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 RXE1 RXO2 RXO2 RXO1 RXE2 RXE2 RXO2 RXE0 RXOC RXEC RXE2 RXE1 RXO1 RXO1 RXO0 RXE2 RXO2 h t t p w w w w j e l n e t ...

Page 21: ...C816 10pF 3KV 65G1808100C1M GND GND C819 47pF 3KV 65G1808470C1M R802 6 19KΩ 1 10W 61G0603619 1F CN802 33G8021 2T U 1 2 R811 137Ω 1 8W 61G0603137 0F F801 61G1206000 R809 2KΩ 1 10W 61G0603202 is power GND o o PT801 80GL15T504 H 2 6 5 4 C803 0 1uF 25V 65G0603104 22 C809 65G0805105 27 C804 0 01uF 16V 65G0603103 12 R803 10KΩ 1 10W 61G0603103 R806 100KΩ 1 10W 61G0603104 R804 100KΩ 1 10W 61G0603104 IC801...

Page 22: ...16B R902 684 D904 1N4148 1206 C903 1000 BD901 93L50 460 8 1206 57L417 4 R931 10 R926 101 0805 R908 304 0805 K C921 1000UF 16V 1206 1206 ZD902 18V R912 10 0805 R 0603 Doc Ver 02 ADPC12416B C 1 1 Thursday October 31 2002 Title Size Document Number Rev Date Sheet of 0603 FB901 0805 GND 0805 Q901 57L724 4 IC905 0603 1206 0805 IC901 56L379 27 FA13842N 8 4 1 7 6 5 2 3 C906 22UF 50V R913 100K R916 120K R...

Page 23: ...15 LCD Color Monitor AOC 511Vwb 23 7 PCB Layout 7 1 Main Board h t t p w w w w j e l n e t ...

Page 24: ...15 LCD Color Monitor AOC 511Vwb 24 7 2 Adapter Board 715G901 1 12 h t t p w w w w j e l n e t ...

Page 25: ...15 LCD Color Monitor AOC 511Vwb 25 h t t p w w w w j e l n e t ...

Page 26: ...er Board 715G2297 1 8 Maintainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual 715G2297 1 h t t p w w w w j e l n e t ...

Page 27: ...en Replace U101 Flash Rom No nothing is Connected the Signal cable again Check Power switch is in Power on status and check if Power switch had been stuck Led Orange OK Keyboard no stuck Led orange Led Green Check the Wire Harness from CN401 Measured RGB R405 R406 R407 H V Input at U401 pin 8 9 was there have signal Check digital signal from CN201 Check Correspondent component short open Protectio...

Page 28: ...der Replace panel OK DVS DHS pin 8 9 from U401 Is the waveform ok DCLK around 48 MHZ DVS 60 09Hz DHS around 80 KHz refer to input signal 640x480 60 Hz 31k and LED is Green OK Replace U401 or replace Main board Check RDT2025L U401 Signal output PIN25 26 27 28 31 32 33 34 35 36 Is the waveform ok OK If Main Board being replace please do the DDC content reprogrammed OK NG no transition Replace Q505 h...

Page 29: ...20V Check AC input Check the voltage of C904 Check bridge rectified circuit and F901 circuit Check start voltage for the pin7 of IC901 Check R903 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V OK OK NG Check Q901 D901 D904 ZD901 OK Check IC901 pin6 PWM wave OK Check IC901 NG NG NG OK NG h t t p w w w w j e l n e t ...

Page 30: ...oard or main board NG OK Check IC801 PIN7 14 12V NG OK Change on off circuit Check IC801 PIN13 have triangle wave NG OK Change U201 Check IC801 IC801 PIN8 PIN13 PWM wave NG OK Check Q802 Q803 Check C807 C813Drain wave NG Check the output of PT801 Check C807 C813 Check connecter lamp OK NG Change PT801 OK h t t p w w w w j e l n e t ...

Page 31: ...ad Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y Check Panel h t t p w w w w j e l n e t ...

Page 32: ... MENU key A Adjust 9300K color temperature 1 Switch the Chroma C210 to RGB Mode with press MODE button 2 Switch the MEM Channel to Channel 3 with up or down arrow on chroma C210 3 The LCD indicator on chroma C210will show x 283 20 y 297 20 Y 170 cd m2 4 Adjust the RED of color1 on factory window until chroma C210 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory window unti...

Page 33: ...ove procedure item 4 5 6 until chroma C210 RGB value meet the tolerance 100 2 D Adjust SRGB color temperature 1 Switch the chroma C210 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 4 with up or down arrow on chroma C210 3 The LCD indicator on chroma C210 will show x 313 30 y 329 30 Y 170 cd m2 4 Adjust the RED of color3 on factory window until chroma C210 indicator reached...

Page 34: ...15 LCD Color Monitor AOC 511Vwb 34 10 Monitor Exploded View h t t p w w w w j e l n e t ...

Page 35: ... GP CONDUCTIVE FABRIC 89G 725HAA D1 SIGNAL CABLE 89G 72BHAA701 SIGNAL CABLE DC CABLE 89G179E30B703 LVDS FFC 89G402A15NIS1 POWER CORD XN01A M1G 130 5125 SCREW XN01A M1G 330 5120 SCREW XN01A M1G1730 6120 M3 6 XN01A M1G1730 8 47 CR3 SCREW XN01A M1G98202 5130 SCREW XN01A Q1G 130 6 47 CR3 SCREW XN01A Q1G 130 6120 SCREW XN01A Q1G1025 6120 SCREW XN01A Q1G1030 6120 SCREW XN01A Q1G9925 8 47 CR3 SCREW 750GN...

Page 36: ...tape J52G8003 1 INSULATE SHEET J52G8004 1 MYLAR J52G8006 1 INSULATE SHEET J70G150161510A CD MANUAL J85G8B02 1 SHIELD J85G8B03 1 INVER SHIELD ADPC12350BEP LCD ADAPTER ADPC12350BB6P ADAPTER ASS Y GND1 9G6002 1 PIN 40G 45762412B CBPC LABEL 52G 1213600 AL Foil Adhesive tape IC903 56G 139 3A PC123Y22FZOF J907 61G 60220252T CFR 2K OHM 5 1 6W C901 63G107K334 U MPX 0 33UF 275VAC 10 C902 65G305M1022EM 1000...

Page 37: ...B EMI P051 Q51G 6 4508 RTV GLUE ADPC12350BB6P ADAPTER ASS Y 33G6007 1 LENS 40G 154501 1 HI POT GND LABEL FOR MON 45G 88525 E PE BAG J40G350B615 3E ADAPTER ID W33G4477 B T TOP COVER W33G4478 B T BOTTOM COVER IC901 56G 379 27 FA13843N SOP 8 Q903 57G 417 4 PMBS3904 PLILIPS Q902 57G 417 6 PMBS3906 PNP R928 61G0603102 CHIPR 1KOHM 5 1 10W R937 61G0603243 1F RST CHIPR 2 43 KOHM 1 R936 61G0603931 1F RST C...

Page 38: ...T CHIPR 300 KOHM 5 R909 61G1206304 RST CHIPR 300 KOHM 5 R910 61G1206304 RST CHIPR 300 KOHM 5 R934 61G1206471 RST CHIP 47OR 1 4W 5 R933 61G1206472 CHIP 4 7KOHM 5 18W R903 61G1206514 RST CHIPR 510 KOHM 5 R904 61G1206514 RST CHIPR 510 KOHM 5 R901 61G1206684 CHIPR 680KOHM 5 1 8W R902 61G1206684 CHIPR 680KOHM 5 1 8W C914 65G0603102 32 CHIP 1000PF 50 X7R C911 65G0603152 32 CHIP 1500PF 50V X7R C913 65G06...

Page 39: ...TINCOATEDCOPPER J905 95G 90 23 TINCOATEDCOPPER J906 95G 90 23 TINCOATEDCOPPER 715G 901 1 12 ADAPTER BOARD PCB 705G 560 57 03 Q901 ASS Y Q901 57G 667 21 Transistor STP10NK70ZFP 90G 396502 Q HEAT SINK XN01A M1G1730 7128 CR3 SCREW 705G 560 61 03 R930 ASS Y R930 61G 2J47858G WIRE WOUND 0 47 OHM 2W 96G 29 8 TUBE 705G 560 61 04 NR901 ASS Y NR901 61G 58080 WT NTCR 705G 560 93 05 D911 ASS Y 90G 396503 D H...

Page 40: ...ARNESS CN401 95G8014 8703 X WIRE HARNESS U401 56G 562701 RTD2025L_LF U501 56G 563 11 IC SI 8050SD U502 56G 563 21 IC AP1084K33LA U503 56G 563 25 AIC1084 33PE TO 252 U101 56G1125701 X RTD2120L LF U103 56G1133 56 IC M24C16 WMN6TP Q501 57G 417 4 PMBS3904 PLILIPS Q502 57G 417 4 PMBS3904 PLILIPS Q503 57G 417 4 PMBS3904 PLILIPS Q505 57G 417 4 PMBS3904 PLILIPS Q101 57G 417 6 PMBS3906 PNP Q102 57G 417 6 P...

Page 41: ...603101 CHIPR 100OHM 5 1 10W R406 61G0603101 CHIPR 100OHM 5 1 10W R407 61G0603101 CHIPR 100OHM 5 1 10W R408 61G0603101 CHIPR 100OHM 5 1 10W R409 61G0603101 CHIPR 100OHM 5 1 10W R410 61G0603101 CHIPR 100OHM 5 1 10W R411 61G0603101 CHIPR 100OHM 5 1 10W R103 61G0603103 CHIPR 10KOHM 5 1 10W R124 61G0603103 CHIPR 10KOHM 5 1 10W R510 61G0603103 CHIPR 10KOHM 5 1 10W R512 61G0603103 CHIPR 10KOHM 5 1 10W R5...

Page 42: ... 4 7KOHM 5 1 10W R130 61G0603472 CHIP 4 7KOHM 5 1 10W R506 61G0603472 CHIP 4 7KOHM 5 1 10W R507 61G0603472 CHIP 4 7KOHM 5 1 10W R508 61G0603472 CHIP 4 7KOHM 5 1 10W R123 61G0603682 CHIP 6 8K OHM 1 10W R201 61G0603750 CHIPR 75OHM 5 1 10W R202 61G0603750 CHIPR 75OHM 5 1 10W R203 61G0603750 CHIPR 75OHM 5 1 10W C104 65G0603100 31 CHIP 10PF 50V NPO C105 65G0603100 31 CHIP 10PF 50V NPO C201 65G0603100 3...

Page 43: ...519 65G0603104 32 CHIP 0 1UF 50V X7R C521 65G0603104 32 CHIP 0 1UF 50V X7R C522 65G0603104 32 CHIP 0 1UF 50V X7R C106 65G0603224 22 CHIP 0 22uF 25V X7R C204 65G0603473 32 CHIP 47NF 50V X7R C205 65G0603473 32 CHIP 47NF 50V X7R C206 65G0603473 32 CHIP 47NF 50V X7R C207 65G0603473 32 CHIP 47NF 50V X7R C208 65G0603473 32 CHIP 47NF 50V X7R C209 65G0603473 32 CHIP 47NF 50V X7R C511 65G0805105 22 CHIP 1U...

Page 44: ... 61G0603104 CHIPR 100KOHM 5 1 10W R806 61G0603104 CHIPR 100KOHM 5 1 10W R811 61G0603120 0F RST CHIPR 120 OHM 1 1 R802 61G0603120 2F RST CHIP 12K 1 10W 1 R809 61G0603202 RST CHIP 2K 1 10W 5 R807 61G0603304 RST CHIPR 300 KOHM 5 R810 61G0603304 RST CHIPR 300 KOHM 5 R805 61G0603511 CHIPR 510OHM 5 1 10W R808 61G0805102 CHIPR 1K OHM 5 1 10W F801 61G1206000 CHIP resistors 1 3W C804 65G0603103 12 CHIP 0 0...

Page 45: ...22 CHIP 4 7UF 25V X7R 1206 C816 65G1808100C1W SMT 10PF 3KV C819 65G1808820C1W SMT 82PF 3KV PT801 80GL15T504 DN X FMR 715G2297 1 INVERTER PCB KEPC6JB1 KEPC BOARD SW1 77G 604 2 CJ TACT SWITCH SW2 77G 604 2 CJ TACT SWITCH SW3 77G 604 2 CJ TACT SWITCH SW4 77G 604 2 CJ TACT SWITCH SW5 77G 604 2 CJ TACT SWITCH LED1 81G 14501 GP LED GPTD1210YGC3 HB 715G2416 1 KEPC PCB CN101 33G8036 8A H WAFE h t t p w w ...

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