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AOC e2436Vwa, Service Manual

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AOC e2436Vwa Service Manual Download Page 48

 

48                                                                                                                  

  4. Color is not optimal

 

 
 
 
 
 
 

 

 

 
 
 
 
 

 
 

 
 
 
 
 
 
 
 
                             
 
 
 
 
 
 
 
 

 

 

NG 

Color is not optimal

Miss color 

Color shift   

Replace the signal cable

Pull out the signal cable 

and check the screen 

color display is normal?

The end

Replace the signal cable or PC

Reset the factory mode 

In the user mode, set the” color 
settings” until customer satisfy 

Replace the main board 

NG 

OK

NG 

OK

NG 

Summary of Contents for e2436Vwa

Page 1: ...ral Instructions 8 3 2 Control Buttons and Connections 8 3 3 OSD Setting 10 4 Input Output Specification 26 4 1 Input Signal Connector 26 4 2 Preset Display Modes 27 4 3 Panel Specification 27 5 Block...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Sep 07 2010 Initial release TD92A8NB6WA1PNE...

Page 3: ...ay 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 o...

Page 4: ...4 1 Monitor Specifications...

Page 5: ...5...

Page 6: ...at panel control logic brightness control logic and DDC The adapter board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage LED Drive Monitor...

Page 7: ...7 View and Dimension...

Page 8: ...ntinuously to select the input source showed in the message bar press Menu Enter button to change to the source selected Menu Enter Press to activate OSD then press Up or Down to navigate through the...

Page 9: ...the monitor and connect the other end to the computer s D Sub port 3 Connect the audio cable to audio in port on the back of the monitor 4 Optional Requires a video card with DVI port Connect one end...

Page 10: ...desired function is highlighted press the MENU key to activate it If the function selected has a sub menu press UP or DOWN again to navigate through the sub menu functions Once the desired function is...

Page 11: ...11 Eco mode...

Page 12: ...12 Notes When Eco mode is not set as Standard Contrast and Brightness can not be adjusted When DCR is set as On Contrast Brightness Eco mode and Gamma can not be adjusted...

Page 13: ...13 Color Boost...

Page 14: ...ced 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 garde...

Page 15: ...15 Luminance...

Page 16: ...16 Notes When Eco mode is not set as Standard Contrast and Brightness can not be adjusted When DCR is set as On Contrast Brightness Eco mode and Gamma can not be adjusted...

Page 17: ...17 Image Setup...

Page 18: ...18 Notes When the input source is digital signal like DVI or HDMI Image Setup can not be adjusted...

Page 19: ...19 Color Temperature...

Page 20: ...20...

Page 21: ...21 Picture Boost...

Page 22: ...22 Notes One of DCR Color Boost and Picture Boost functions is active the other two function is turned off accordingly...

Page 23: ...23 Extra Setting...

Page 24: ...24 Exit...

Page 25: ...25 LED Indicators Status LED Color Full Power Mode Blue Active off Mode Orange...

Page 26: ...15 DDC Serial clock DVI 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 Shiel...

Page 27: ...27 1280 960 60Hz 60 000 60 000 SXGA 1280 1024 60Hz 63 981 60 02 SXGA 1280 1024 75Hz 79 976 75 025 WXGA 1440 900 60Hz 55 935 59 887 WSXGA 1680X1050 60Hz 65 290 59 954 HD 1920 1080 60Hz 67 500 60 000 4...

Page 28: ...LED can work normally if the PWM dinming ratio range is from 0 to 100 and the operation current Is 25mA Note 2 PLED ILED 8 VLED LED matrix is 12S8P Note 3 The lifetime of LED is defined as the time wh...

Page 29: ...29 4 3 4 Optical Characteristics Ta 25 2 Ha 50 10 RH VCC 7V...

Page 30: ...ce Panel Interface CN402 CN301 Flash IC EN25F20 Scaler IC TSUMU58EHL L Crystal U402 Include ADC OSD MCU NXS14 31818 U401 X401 EEPROM EEPROM AT24C02BN AT24C02BN U101 U102 DDC1 SCL DDC2 SCL DDC1 SDA DDC...

Page 31: ...5V Start Resistor R904 R905 PWM Control Power Switch Feedback LD7576 IC901 Q901 Circuit Photocoupler Regulator IC903 IC904 Audio CN601 PHONE JACK Audio Power Amplifier 5V APA2069JITUL CN602 IC601 Conv...

Page 32: ...NC CN101 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 C114 0 047uF R115 100R 1 16W 5 RX1N 5 DSUB_SCL DSUB_SOG 5 RX2P RX1P 5 C105 5pF 50V R109 100R 1 16W 5 R107 2K2 1 16W 5 R128 10R 1 16W 5 C116 0 22uF16...

Page 33: ...5 RXE0 RXOC R302 220 OHM 1 4W PA1 LVB3P R303 4K7 1 16W 5 RXO0 LVA2M LVB0M PA8 LVA1M RXE3 R304 22K 1 16W 5 PB 0 9 5 PB4 LVA1P R307 NC Q302 2N3904S RTK PS CN301 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Page 34: ...CMVCC1 adj_BACKLIGHT 5 Volume U704 NC AP1117E18LA 3 2 1 4 VI VO GND 4 Mute 5 U701 AP1117E33LA 1 2 3 VSS VOUT VIN C712 0 1uF 16V on_BACKLIGHT 5 R706 100R 1 16W 5 PANEL_ID Volume 5 DGND 2 3 5 C702 0 1uF...

Page 35: ...C404 0 1uF 16V 2 2K 1 16W 5 DSUB_H 2 U403 PPWR_ON 3 R445 NC VCC3 3 2 4 Direct LED VCC1 8 LED G_B C401 0 22uF16V U402 R429 VCC3 3 R453 NC FB404 300OHM VCC1 8 4 POWER_KEY 10K 1 16W 5 NC 0R 1 16W 5 93G 2...

Page 36: ...7 31DQ06FC3 C904 0 22UF275V L903 Coil ON OFF HS3 HEAT SINK D906 1 2 F901 FUSE R926 1K 1 10W D906 FMX 12SL 1 2 3 R927 10K 1 1 10W C934 1000uF25V D900 FR107 IC904 KIA431A AT P NC R918 100 OHM 1 4W R938...

Page 37: ...100pF 50V e2436vwa C611 100pF 50V R613 1K 1 10W MUTE LOUT Rin C601 0 47uF 16V 5V1 HS4 HEAT SINK IC601 1 2 D601 1N4148 FB602 BEAD 1 2 C612 100N16V LOUT C613 100uF 25V ADPC91603HD1 1 Custom 3 3 Wednesda...

Page 38: ...B360B CN803 CONN 1 2 3 4 5 6 7 8 9 10 11 12 R832 1 OHM 1 10W R830 1 OHM 1 10W R812 100 OHM 1 10W C806 2U2 25V CN804 CONN 1 2 3 4 5 6 7 8 9 10 11 12 R802 NC 20mA AOC E2436VWA R827 1 OHM 1 10W R809 100...

Page 39: ...39 7 PCB Layout 7 1 Main Board 715G3329 1 2...

Page 40: ...40 7 2 Power Board Adapter 715G2824P01010001S...

Page 41: ...41...

Page 42: ...42 Converter 715G3918P03000004C 7 3 Key Board 715G3371 2...

Page 43: ...43 7 4 USB Board 715G3501 2 715G2663 2...

Page 44: ...ntainability 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 Use...

Page 45: ...is tightened Check Power On Off is On Re plug the power cable Replace main board and check connections Check the LED indicate is OK Check the AC power Replace the converter board OK NG OK NG NG Turn o...

Page 46: ...e Press the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the converter board Replace the LVDS FFC cable or panel NG The end Replace the key b...

Page 47: ...y mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock...

Page 48: ...shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color sett...

Page 49: ...max luminance max contrast max brightness Test conditions Center of display Video input RGB 0 700V for Analog Input Brightness control is set to min Contrast control is set to min 9 2 Patterns Testin...

Page 50: ...Black pattern or White pattern H Line 1 1920 x 1080 60 Hz 2 Black pattern Red pattern Green pattern or Blue pattern V Line 1 1920 x 1080 60 Hz 2 Black pattern or White pattern H Strip 1 1920 x 1080 6...

Page 51: ...ern Red pattern Green pattern or blue pattern Abnormal display 1 1920 x 1080 60 Hz 2 Gray scale pattern Gray defect 1 1920 x 1080 60 Hz 2 Gray scale pattern Video noise 1 1920 x 1080 60 Hz 2 Gray scal...

Page 52: ...52 Gray scale failure 1 1920 x 1080 60 Hz 2 Gray scale pattern Light leakage 1 1920 x 1080 60 Hz 2 Black pattern or White pattern Fuzzy video 1 1920 x 1080 60 Hz 2 Pane picture...

Page 53: ...ows XP 3 MSTAR ISP Tool V4 5 0 7 7 programs 4 Printer cable and VGA cable 5 ISP board PN 715GT039 A 2 Connection 1 LPT cable connect PC and ISP board 2 VGA cable connect monitor and ISP board 3 Refere...

Page 54: ...54 4 Program 1 Run MSTAR ISP Tool V4 5 0 7 7 interface as below 2 Choose CONFIG icon interface as below Setting as Port type LPT1 Speed 50KHZ...

Page 55: ...55 3 Choose DEVICE and choice WP Pin pull to high during ISP 4 Choose CONNECT icon and interface show Device type PC and monitor communications successful click OK...

Page 56: ...56 5 Click Read show as follow picture then choose correct software to click open PS For exemple TSUMO58GDJ_LGLM215WF4_20100518_V005_8143 BIN 6 Then as below 7...

Page 57: ...57 7 Show the interface as follows after press the AUTO button 8 Then press Run icon as below Show Blank OK Program OK Verify OK It s successfully if interface show PASS...

Page 58: ...am code is right in factory mode about the method of enter factory mode pls reference the service manual 5 1Auto level 1 Monitor display gray pattern 2 Enter the factory mode 3 Choise the AUTO LEVEL i...

Page 59: ...fication Data EDID information may be also obtained from VESA 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 95 98 2000 XP 3 PORT95NT exe TPVDDC5 6 exe program...

Page 60: ...wd into a new folder and then create another new folder named ddc It must be ddc instead of other names Step1 Must put the ddc folder and TPVDDC6 0 exe into the same folder Step2 Must copy the folder...

Page 61: ...61 3 Double click and choose the Analog and DVI it will show the picture as follow 4 Click LoadFile it will show the picture as follow...

Page 62: ...62 5 Click OK it will show the picture as follow 6 Key in the same 14 numbers in the Input SN and Verify SN...

Page 63: ...63 7 Click Program if it shows the below mistake please try to write again...

Page 64: ...64 8 If it shows the below picture it means the write is successful 9 Click ReadBoth if the DDC Write is OK it will show the picture as follow...

Page 65: ...65 10 Click program if the 12V connector is not OK it will show the picture as follow 11 Click program if the cable connector is not OK it will show the picture as follow...

Page 66: ...arm 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 wi...

Page 67: ...ove 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 Ch...

Page 68: ...ctions 1 Put the monitor on the EPE pad 2 Lay down the monitor then use cross screwdriver or the expert tools leave off the stand while press the Push area of the back cover 3 Overturn the monitor and...

Page 69: ...f one side of USB connector take apart 3 sides and stop Attention Do not break off the key pc side or pull the front frame forcibly to avoid the keypad peel off 6 Overturn the monitor on the USB conne...

Page 70: ...e key pc connect PIN A B lamp line C D peel off the aluminum foil E F draw off the FFC pin G if there is defect with main pc need leave of f the six angle screw H 9 Withdraw the front frame from the P...

Page 71: ...ctive area take off the screws ABCDE to get the relevant part to maintain Before take apart the POWER pc should take off the AC iron piece first 11 Use little screwdriver to peel off the key pc from t...

Page 72: ...72 13 Monitor Exploded Views...

Page 73: ...G 130 6120 SCREW M3X6 705GH934026 24 LCD STAND BASE ASS Y E750 750GLV236H3211N000 PANEL M236H3 L02 C1A FQ TPV A15G0556502 mainframe A34G1062AEDD2B0130 BEZEL A34G1063AEDA5S0100 REAR COVER A85G0140201 A...

Page 74: ...HOKE BY LI TA L904 073G 253 91 L CHOKE BY LI TA L903 073G 253 91 L CHOKE BY LI TA CN901 087G 501 32 DL AC SOCKET DIP 3PIN 2PIN GROUND CN601 088G 30214K DC PHONE JACK 5P GREEN D907 093G3006 1 1 31DQ06F...

Page 75: ...9K1 1 10W 1 R608 061G0805000 JT RST CHIPR 0 OHM 5 1 8W TZAI YUAN JR903 061G0805000 JT RST CHIPR 0 OHM 5 1 8W TZAI YUAN JR601 061G0805000 JT RST CHIPR 0 OHM 5 1 8W TZAI YUAN R924 061G0805101 JT RST CHI...

Page 76: ...B CBPC LABEL C813 067G 4151017LV EC 100uF 20 50V RZY 8 11 5 C804 067G 4151017LV EC 100uF 20 50V RZY 8 11 5 CN802 311GB254B04AAL PIN HEADER 2 54MM 4P 2P7 2MM 2P4 0MM CN801 311GB254B07AAL PIN HEADER 2 5...

Page 77: ...PR 100 OHM 5 1 16W R705 061G0402102 RST CHIPR 1 KOHM 5 1 16W R404 061G0402102 RST CHIPR 1 KOHM 5 1 16W R402 061G0402102 RST CHIPR 1 KOHM 5 1 16W R104 061G0402102 RST CHIPR 1 KOHM 5 1 16W R103 061G0402...

Page 78: ...7R C708 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C709 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C712 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C713 065G040210412K A CAP CHIP 0402 100nF...

Page 79: ...G8034 6H H X WAFER 1 0mm SMT 6P U001 056G 669 10 IC CG7246AM 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...

Page 80: ...JUMPER WIRE J601 095G 90 23 JUMPER WIRE J602 095G 90 23 JUMPER WIRE J603 095G 90 23 JUMPER WIRE J604 095G 90 23 JUMPER WIRE J605 095G 90 23 JUMPER WIRE J606 095G 90 23 JUMPER WIRE J607 095G 90 23 JUM...

Page 81: ...061G06032003FT RST CHIPR 200KOHM 1 1 10W R807 061G0603220 JF ST CHIPR 22 OHM 5 1 10W FENGHUA R804 061G06032702FF RST CHIPR 27KOHM 1 1 10W FENGHUA R815 061G06032702FF RST CHIPR 27KOHM 1 1 10W FENGHUA...

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