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AOC E936VW -, Service Manual

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AOC E936VW - Service Manual Download Page 5

18.5" LCD Color Monitor

                           

                                                  AOC e936Vw

 

 

5

2. LCD Monitor Description 

 

The LCD monitor will contain a main board, an adapter board, a converter board, two USB boards, and a key board 
which house the flat panel control logic, brightness control logic and DDC. 
The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each 
voltage. 

 

 

 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

HOST Computer 

AC-IN 

100V-240V

 

 

Converter board 

Flat Panel and 
LED backlight

 

Main Board 

RS232 Connector 
For white balance 
adjustment in factory 
mode

 

 

LED Driver 

Video signal DDC

Monitor Block Diagram 

Key board 

USB board*2 

Adapter board

 

Summary of Contents for E936VW -

Page 1: ...3 Adjusting the Picture 7 4 Input Output Specification 8 4 1 Input Signal Connector 8 4 2 Factory Preset Display Modes 9 5 Panel Specification 10 5 1 Display Characteristics 10 5 2 Optical Characteristics 11 5 3 Electrical Characteristics 12 6 Block Diagram 15 6 1 Software Flow Chat 15 6 2 Electrical Block Diagram 17 7 Schematic 19 7 1 Main Board 19 7 2 Power Board 23 8 PCB Layout 27 8 1 Main Boar...

Page 2: ...6WA1BNE T892M6NC6WA1BNE Add second Panel AUO M185XW01 new Converter PCB 715G3823P01000004S T89AM6ND6WA4BNE T89AM6NM6WA1BNE T89AM6NC6WA1BNE T89AM6NC6WA14NE A02 Jun 25 2010 Add new Models T892M6NM6WA2BNE T892M6NQ6WA1BNE T89AM6NC6WA34NE T89AM6NM6WA2BNE T894M6ND6WA4BNE A03 Aug 26 2010 Add new Models T8AAM62K6WA1B6E T89AM6NY6WA4B6E T892M6NK6WA1QNE T892M6NQ6WA1QNE T892M6NT6WA1BNE T892M6NT6WA1QNE T892M6N...

Page 3: ...18 5 LCD Color Monitor AOC e936Vw 3 A04 Dec 07 2010 Add new Models T8AAM6NQ6WA1BNE T89AM6ND6WA4B6E T8AAM62D6WA4BNE T8AAM62D6WA3BNE A05 Feb 22 2011 Add new Models T8AAM62E6WA1B2E T8AAM62E6WA1BNE ...

Page 4: ...Plug Play VESA DDC2B CI Input Connector D Sub 15pin DVI D Input Video Signal Analog 0 7Vp p standard 75 OHM TMDS Power Source 100 240VAC 50 60Hz Power Consumption Typical 25W Standby 1 W USB Downstream port A type To USB device loading 100mA off timer 0 24hours Select timing to turn off the monitor Physical Characteristics Connector Type 15 pin Mini D Sub DVI D Signal Cable Type Detachable Dimensi...

Page 5: ...ntrol logic brightness control logic and DDC The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage HOST Computer AC IN 100V 240V Converter board Flat Panel and LED backlight Main Board RS232 Connector For white balance adjustment in factory mode LED Driver Video signal DDC Monitor Block Diagram Key board USB board 2 Adapter boar...

Page 6: ...Press Source button continuously to select the input source showed in the message bar press Menu Enter button to change to the source selected Auto Down Auto configure hot key When the OSD is closed press Auto button to do auto configure 3 3 Adjusting the Picture 1 Press the MENU button to activate the OSD window 2 Press or to navigate through the functions Once the desired function is highlighted...

Page 7: ...ect Demo Off Exit Notes Full Enhance Total color saturation is enhanced suitable for vivid pictures Natural Skin Suitable for human portrait Green Field Suitable for large area of green Sky Blue Suitable for sky or ocean scene Auto Detect Suitable for outdoor or garden Demo Screen divided into two for comparison purpose Luminance Brightness Contrast Gamma Notes When Eco mode is not set as Standard...

Page 8: ...l sRGB Exit Notes One of DCR Color Boost and Picture Boost functions is active the other two function is turned off accordingly Picture Boost V Position H Position Contrast Brightness Frame Size Bright Frame Exit Notes One of DCR Color Boost and Picture Boost functions is active the other two function is turned off accordingly Extra Language Reset DDC CI OSD Timeout Transparency V Position H Posit...

Page 9: ...D G 15 DDC Serial clock 8 GND B 4 1 2 DVI D 24pin Connector Pin No Signal Name Pin No Signal Name Pin No Signal Name 1 TMDS Data 2 9 TMDS Data 1 17 TMDS Data 0 2 TMDS Data 2 10 TMDS Data 1 18 TMDS Data 0 3 TMDS Data 2 4 Shield 11 TMDS Data 1 3 Shield 19 TMDS Data 0 5 Shield 4 TMDS Data 4 12 TMDS Data 3 20 TMDS Data 5 5 TMDS Data 4 13 TMDS Data 3 21 TMDS Data 5 6 DDC Clock 14 5V Power 22 TMDS Clock...

Page 10: ...80 75Hz 37 5 75 Dos mode 720 400 70Hz 31 469 70 087 SVGA 800 600 56Hz 35 156 56 25 SVGA 800 600 60Hz 37 879 60 317 SVGA 800 600 72Hz 48 077 72 188 SVGA 800 600 75Hz 46 875 75 Mac mode 832 624 75Hz 49 725 74 5 XGA 1024 768 60Hz 48 363 60 004 XGA 1024 768 70Hz 56 476 70 069 XGA 1024 768 72Hz 57 5 72 074 XGA 1024 768 75Hz 60 023 75 029 XGA 1024 768 75Hz 60 241 74 927 wXGA 1360 768 60Hz 47 712 60 015 ...

Page 11: ...rystal Display module with 4 CCFL Backlight unit and 30pin 1ch LVDS interface This module supports 1366 x 768 WXGA 16 9 wide screen model and can display up to 16 7M colors The inverter module for Backlight is not built in Note 1 Please refer to the attached drawings for more information of front and back outline dimensions M185XW01 ...

Page 12: ...18 5 LCD Color Monitor AOC e936Vw 12 5 2 Optical Characteristics TPM185B1 ...

Page 13: ...18 5 LCD Color Monitor AOC e936Vw 13 M185XW01 5 3 Electrical Characteristics 1 TFT LCD Module TPM185B1 ...

Page 14: ...18 5 LCD Color Monitor AOC e936Vw 14 M185XW01 2 Back Light Unit TPM185B1 ...

Page 15: ...18 5 LCD Color Monitor AOC e936Vw 15 M185XW01 ...

Page 16: ...18 5 LCD Color Monitor AOC e936Vw 16 6 Block Diagram 6 1 Software Flow Chat 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 ...

Page 17: ... 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 standby mode after the message disappear 17 Progr...

Page 18: ...ram 6 2 1 Main Board FLASH MEMORY EN25F20 U402 Scalar TSUM5PLHL LF Include MCU ADC OSD etc U401 LCD Interface CN404 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 DVI Input signal Crystal 14 31818MHz X401 EPR_SDA EPR_SCL Key Control Interface CN402 ...

Page 19: ...01000004S EMI filter Start Resistor R920 R921 R922 PWM Control Transformer AC input 14 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Power Switch Photo coupler ZD801 PWM Control OZ9954SN U801 12V MOSFET Q802 DIM ENA L801 5V LED CN803 LED CN802 ZD801 PWM Control TA9690GN IC801 IC802 12V MOSFET Q801 DIM ENA L801 LED CN80 LED CN802 ...

Page 20: ...tronics Co Ltd Key Component 絬 隔 瓜 絪 腹 RX1P 5 R126 NC R134 NC U104 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 Q101 NC ESD_VCC1 RX2P 5 C112 NC C121 NC RXCP C105 5pF 50V C109 5pF 50V R116 75R 1 16W 5 RXCN R125 4K7 1 16W 5 DGND DSUB_G 5 R127 NC C113 5pF 50V VGA_PLUG VGA_G R129 NC DSUB_5V DSUB_V 5 RX0N DDC1_SDA R113 100R 1 16W 5 R133 10K 1 16W 5 U103 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 V...

Page 21: ...01 120 OHM 1 2 R306 56K 1 16W 5 PB6 LVB1M PA4 RXE0 RXE2 R302 220 OHM 1 4W LVB1P LVBCKP RXE3 LVB3M LVA0P RXE3 LVB3M 3 PA 0 9 RXOC RXO3 PB3 LVB1P RXO3 D LVA0P LVBCKM LVBCKP LVA3M RXO1 C305 100UF25V LVACKM S PA 0 9 5 PA8 LVB0P RXEC PB2 PA1 LVB1P LVA0M PA3 LVA3P C301 0 1uF 16V LVA1P LVA2P RXO0 LVACKM PB 0 9 5 CMVCC1 2 4 RXO1 PA5 RXE0 LVBCKM LVA0M PB 0 9 PB9 LVA1M PA6 PB5 LVB1M RXE2 1 LVA0M LVA0P RXE0 ...

Page 22: ...090512 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 C702 0 1uF 16V C708 0 1uF 16V C705 0 1uF 16V R702 10K 1 16W 5 VCC3 3 BKLT VBRI Both 223 and 252 foot print CMVCC1 BKLT VBRI U701 AP1117E33LA 1 2 3 VSS VOUT VIN R709 NC BKLT EN R706 100R 1 16W 5 U702 NC AP1117D33L 13 1 2 3 ADJ GND VOUT VIN CN701 CONN 1 2 3 4 5 6 7 8 9 R704 22K ...

Page 23: ...DP R453 32 pF KEY1 C403 0 1uF 16V R425 NC For detect function depend on FW C416 0 1uF 16V Eon PB3 R440 NC 10K 1 16W 5 56 pF C415 0 1uF 16V NC R462 NC R441 NC CN404 NC CONN 1 2 3 4 5 6 For user data WB EDID HDCP are saved in Flash R455 DSUB_SOG 2 R419 CMVCC1 PA0 R407 10K 1 16W 5 R460 NC C438 NC VDDP R408 NC C413 0 1uF 16V R445 NC DDC2_SDA 2 DSUB_H 2 C420 47pF 020 R430 NC POWER_KEY C408 0 1uF 16V R4...

Page 24: ...2 16B 1 2 R919 100K OMH 2W 5 C Custom Wednesday September 23 2009 715G3189 POC LED ODM MODEL 02 POWER G3189 POC LED X 6 090825 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 IC903 KIA431A AT P C912 680uF 25V ON OFF_OUTPUT R916 470 OHM 1 10W R908 30 OHM 1 4W Relayout R913 10K 1 10W 1 VOL Relayout BD901 KBP208G 2 1 3 4 C916 10N 16V...

Page 25: ...09 715G3189 POC LED ODM MODEL 04 BUFEER G3189 POC LED X 6 090825 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 R620 NC ON OFF_OUTPUT 3 ON OFF_INPUT 3 R624 NC DIM_OUTPUT BKLT EN PANEL 5V1 DIM_INPUT ADPC91503HC3 R629 NC R627 NC BKLT VBRI PANEL R622 NC Q622 NC R625 NC ...

Page 26: ...20P 50V R818 5 1 1 1 10W Q803 SST2907A C805 1U 25V R810 0R05 1 10W ZD801 B360B U801 OZ9954SN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRVBST GND COMP1 ISEN1 COMP2 ISEN2 COMP3 ISEN3 COMP4 ISEN4 RANGLED TIMER ENA PWM VIN VREF OVP SSTCMP RTCT ISWSEN CN801 CONN 1 2 3 4 5 6 7 8 9 10 11 12 R814 5 1K 1 8W C809 10nF 25V R801 10K 1 10W R806 10K 1 10W C801 100N 25V C802 100uF 50V C804 10nF 25V Q80...

Page 27: ... TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 LNPC98501AHD1 1 A4 Tuesday December 08 2009 715G3823P01000004S ODM MODEL 02 CONVERTER G3823 P01 000 0040 2 091028 R805 120KOHM 1 10W R802 NC R801 0 15 OHM 1 1 4W R842 R843 R815 R804 20mA 56K 56K 56K 56K Iout 25mA R843 56KOHM 5 1 10W R831 1 OHM 1 10W R830 1 OHM 1 10W R828 1 OHM 1 10W R833 1 OHM 1 10W R811 0R05 1 10W...

Page 28: ...18 5 LCD Color Monitor AOC e936Vw 28 8 PCB Layout 8 1 Main Board 715G3329 1 2 ...

Page 29: ...18 5 LCD Color Monitor AOC e936Vw 29 ...

Page 30: ...18 5 LCD Color Monitor AOC e936Vw 30 8 2 Power Board Adapter 715G3189P01LED001S ...

Page 31: ...18 5 LCD Color Monitor AOC e936Vw 31 715G3189P02LED001S ...

Page 32: ...18 5 LCD Color Monitor AOC e936Vw 32 Converter 715G3649P01000004S ...

Page 33: ...18 5 LCD Color Monitor AOC e936Vw 33 715G3823P01000004S ...

Page 34: ...18 5 LCD Color Monitor AOC e936Vw 34 8 3 Key Board 715G3371 2 ...

Page 35: ...18 5 LCD Color Monitor AOC e936Vw 35 8 4 USB Board 715G3501 2 715G2663 2 ...

Page 36: ...OC e936Vw 36 9 Maintainability 9 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 ...

Page 37: ...wer No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U701 Vout 3 3V U703 Pin2 1 8V Reinsert or check the power section X401 oscillate waveforms are normal Replace CN701 U701 U703 Replace U401 Replace X401 OK OK OK NG NG NG NG ...

Page 38: ... NG NG Measure U701 Vout 3 3V U703 Vout 1 8V Replace U701 U703 CN701 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U401 NG OK ...

Page 39: ...asure Q302 base is low level X401 oscillate waveform is normal Check Q301 U301 is broken or CN404 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal ...

Page 40: ...nput Check the voltage of C907A Check bridge rectified circuit and F901 circuit Check start voltage for the pin2 7 of IC901 Check R919 R920 R921 R922 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check OVP circuit OK OK NG Check D901 D902 D903 D904 IC903 OK Check IC901 pin3 PWM wave OK Check IC901 NG NG NG OK NG ...

Page 41: ...C802 16V NG OK Change adapter and MB Check ON OFF signal Check main board NG OK Check U801 pin15 12V NG OK Change Q802 Check the pin3 of U801 have saw tooth wave NG Change U801 Check U801 Pin7 8 9 10 have the output of square of wave at short Change U801 Check connecter lamp OK NG OK ...

Page 42: ...adapter and MB Check ON OFF signal Check main board NG OK Check IC801 IC802 pin19 12V Check IC801 IC802 Check the pin3 of IC801 have saw tooth wave Change IC801 Check U801 Pin1 2 3 4 5 6 7 8 9 have the output of square of wave at short Change U801 Check connecter lamp OK OK OK NG NG NG ...

Page 43: ... 43 9 2 3 Key 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 Main Board ...

Page 44: ...5 LCD Color Monitor AOC e936Vw 44 10 Firmware and DDC Instruction ISP DDC writing SOP Please land ftp cs tpv com cn to load relevant writing SOP in the related files Accounts TPVSQZ Code TPVZGDLSQZ20090707 ...

Page 45: ...Adjust Warm 6500K color 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 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 Y 200 cd m2 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 re...

Page 46: ...value meet the tolerance 100 5 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 30 y 329 30 Y 180 cd m2 4 Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color3 ...

Page 47: ...18 5 LCD Color Monitor AOC e936Vw 47 12 Monitor Exploded View ...

Page 48: ...D BASE ASS Y E750 750GLV185B1141N000 PANEL TPM185B1 L01 C1D FQ TPV E750 750GMV185B1143N000 PANEL TPM185B1 L01 C1D WH TPV 2nd source ADPC91503HC3 ADAPTER BOARD H16G0001003 EVA WASHER H26G 800504 2A barcode H40G 18N61519A e936Vw APD ID LABEL BLACK H40G 58161569A USB LABEL H40G 58261537A e936Vw POP LABEL H40G 58261538A Win7 GOLD EPA LABEL H40G 58261554A e936Vw WW CARTON LABEL BLACK H41G7809615 8A e93...

Page 49: ...DO 201AD D904 093G 60923 DIODE SR504 30 DO 201AD D903 093G 60924 DIODE SR510 22 DO 201AD D905 093G 60924 DIODE SR510 22 DO 201AD CN902 095G 825 9W904 HARNESS 9P 9P 120mm E09502 095G801410WE05 HARNESS 10P 10P 140MM 705GQ956024 IC901 ASS Y AD91503HC3SMT ADAPTER BOARD FOR SMT BD901 093G 50460 28 BRIDGE DIODE KBP208G LITEON CN402 033G3802 7B Y L conn 2 0 7p CN701 033G3802 9B Y L CONN 2 0 9P CN302 033G...

Page 50: ...061G1206624 JT RST CHIPR 620 KOHM 5 1 4W TZAI YUAN R902 061G1206624 JT RST CHIPR 620 KOHM 5 1 4W TZAI YUAN C916 065G060310312K F CAP CHIP 0603 10NF K 16V X7R C905 065G080510432K F CAP CHIP 0805 0 1UF K 50V X7R C915 065G080510432K Y CAP CHIP 0805 100N 50V X7R 10 C917 065G080510432K Y CAP CHIP 0805 100N 50V X7R 10 C901 065G080582031J F CAP CHIP 0805 82PF J 50V NPO C910 065G1206222B2K T CAP CHIP 1206...

Page 51: ... R105 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R101 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R423 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R705 061G0402102 JY RST CHIPR 1KOHM 5 1 16W YAGEO R404 061G0402102 JY RST CHIPR 1KOHM 5 1 16W YAGEO R402 061G0402102 JY RST CHIPR 1KOHM 5 1 16W YAGEO R104 061G0402102 JY RST CHIPR 1KOHM 5 1 16W YAGEO R103 061G0402102 JY RST CHIPR 1KOHM 5 1 16W...

Page 52: ...F K 16V X7R C701 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C702 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C705 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C708 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C709 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C713 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C411 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C416 065G040210412K A CA...

Page 53: ...RD PCB CN001 033G8034 6H H X WAFER 1 0mm SMT 6P U001 056G 665 43 IC CY8C20180 LDX2I QFN 16 COL R012 061G0603000 RST CHIP MAX 0R05 1 10W R009 061G0603000 RST CHIP MAX 0R05 1 10W R008 061G0603000 RST CHIP MAX 0R05 1 10W R001 061G0603000 RST CHIP MAX 0R05 1 10W R002 061G0603101 RST CHIPR 100 OHM 5 1 10W R005 061G0603561 RST CHIPR 560 OHM 5 1 10W R006 061G0603561 RST CHIPR 560 OHM 5 1 10W R007 061G060...

Page 54: ...V X7R C812 065G080510432K Y CAP CHIP 0805 100N 50V X7R 10 C801 065G080510432K Y CAP CHIP 0805 100N 50V X7R 10 C805 065G080510522K 3 CAP CHIP 0805 1U 25V X7R 10 C811 065G080522131J F CAP CHIP 0805 220PF J 50V NPO C807 065G080522512K 3 CAP CHIP 0805 2U2 16V X7R 10 L801 073G253S 80 H SMD CHOKE 22uH 2 16A SPI103LRR 220 ZD801 093G 60S 31 T DIODE B360B 3A 60V SMB 715G3649P01000004S CONVERTER BOARD PCB C...

Page 55: ...CD Color Monitor AOC e936Vw 55 J900 095G 90 23 JUMPER WIRE J616 095G 90 23 JUMPER WIRE J615 095G 90 23 JUMPER WIRE J609 095G 90 23 JUMPER WIRE J608 095G 90 23 JUMPER WIRE 715G3189P01LED001S ADAPTER BOARD PCB ...

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