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AOC e2051Sn Service Manual Download Page 35

 

35                                                                                                                 

8.2 Trouble Shooting 

1. No 

Power 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK 

No power

 

Check power cable is 

tightened? 

Check Power “On/Off” 

is “On”? 

Re-plug the power cable 

Replace key board and check connections 

Check the LED 

indicate is OK? 

Check the AC power   

Replace main board and check connections 

OK 

NG

OK 

NG

Turn on the Power “On/Off” switch 

All manuals and user guides at all-guides.com

Summary of Contents for e2051Sn

Page 1: ...itor Description 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Hot Keys 6 3 3 OSD Setting 7 4 Input Output Specification 19 4 1 Input Signal Connector 19 4 2 Factory Preset Display Modes...

Page 2: ...A02 Mar 21 2012 Add new model TABJT42AB7PGNNF LF A03 Apr 3 2012 Add new model TABJT42CB7SPNNF LF A04 Apr 22 2012 Add new model TABJT42KB7E6NNF LF A05 May 23 2012 Add new model TABJUA2YB7A2NNF LF A06 J...

Page 3: ...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...

Page 4: ...4 1 Monitor Specifications All manuals and user guides at all guides com...

Page 5: ...in board and a key board which house the flat panel control logic brightness control logic and DDC Monitor Block Diagram Flat Panel and LED backlight Main Board Key Board Adapter D SUB Signal AC IN 10...

Page 6: ...ss and DCR on when there is no OSD Eco mode hot key may not be available in all models 4 3 or Wide When there is no OSD press continuously to change 4 3 or wide image ratio If the product screen size...

Page 7: ...s 2 3 4 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 w...

Page 8: ...8 Luminance 1 Press Menu to display menu 2 Press or to select Luminance and press to enter 3 Press or to select submenu and press to enter All manuals and user guides at all guides com...

Page 9: ...9 4 Press or to adjust 5 Press to exit All manuals and user guides at all guides com...

Page 10: ...age Setup 1 Press Menu to display menu 2 Press or to select Image Setup and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust All manuals and user guides at all guide...

Page 11: ...ine noise Sharpness 0 100 Adjust picture sharpness H Position 0 100 Adjust the horizontal position of the picture V Position 0 100 Adjust the vertical position of the picture Color Setup 1 Press Menu...

Page 12: ...12 3 Press or to select submenu and press to enter 4 Press or to adjust 5 Press to exit All manuals and user guides at all guides com...

Page 13: ...from Digital register DCB Mode Full Enhance on or off Disable or Enable Full Enhance Mode Nature Skin on or off Disable or Enable Nature Skin Mode Green Field on or off Disable or Enable Green Field...

Page 14: ...14 100 Adjust Frame Size Brightness 0 100 Adjust Frame Brightness Contras 0 100 Adjust Frame Contrast H position 0 100 Adjust Frame horizontal Position V position 0 100 Adjust Frame vertical Position...

Page 15: ...15 OSD Setup 1 Press Menu to display menu 2 Press or to select OSD Setup and press to enter 3 Press or to select submenu and press to enter All manuals and user guides at all guides com...

Page 16: ...n of OSD V Position 0 100 Adjust the vertical position of OSD Timeout 5 120 Adjust the OSD Timeout Transparence 0 100 Adjust the transparence of OSD Language Select the OSD language Extra 1 Press Menu...

Page 17: ...17 2 Press or to select Extra and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust 5 Press to exit All manuals and user guides at all guides com...

Page 18: ...wide or 4 3 Select wide Select wide or 4 3 format for display DDC CI yes or no Turn ON OFF DDC CI Support Reset yes or no Reset the menu to default Information Show the information of the main image a...

Page 19: ...Number 15 Pin Side of the Signal Cable Pin Number 15 Pin Side of the Signal Cable 1 Video Red 9 5V 2 Video Green 10 Ground 3 Video Blue 11 N C 4 N C 12 DDC Serial data 5 Detect Cable 13 H sync 6 GND R...

Page 20: ...20 4 2 Factory Preset Display Modes All manuals and user guides at all guides com...

Page 21: ...sub pixel color is determined with a 8 bit gray scale signal for each dot thus presenting a palette of more than 16 7M colors with Advanced FRC Frame Rate Control It has been designed to apply the int...

Page 22: ...5 ILCD BLACK 60Hz 1155 1500 mA 2 5 ILCD BLACK 75Hz 1800 mA 5 Power Consumption PLCD 4 75 6 18 Watt 1 Inrush current IRUSH 3 0 A 1 4 LED bar Electrical characteristics Parameter Symbol Condition Value...

Page 23: ...s 4 RD80S Decay Time TrD 3 9 7 4 ms Color Coordinates CIE1931 RED Rx Typ 0 03 0 636 Typ 0 03 PR 650 Ry 0 330 GREEN Gx 0 304 Gy 0 629 BLUE Bx 0 154 By 0 070 WHITE Wx 0 313 Wy 0 329 Viewing Angle CR 5 5...

Page 24: ...EF U801 12V LED CN803 MOSFET Q806 CRYSTAL 14 318MHZ X401 Flash Memory Pm25LD020C U403 Scalar IC RTD2271W CG Include ADC OSD MCU U401 Panel Interface CN406 Key Control Interface CN405 D Sub Connector C...

Page 25: ...IN0 SOG 5 R111 47R 1 16W 5 R109 10R 1 16W 5 R118 47R 1 16W 5 R116 10R 1 16W 5 C145 22pF 50V C146 22pF 50V DDCSCL1 5 ESD_VGA 5V 4 5 7 R150 1K 1 16W 5 ZD106 RLZ5 6B 1 2 CN101 D SUB 15P 1 6 2 7 3 8 4 9 5...

Page 26: ...D_WP 3 4 EESDA V33TMDS R430 6 2KOHM 1 1 10W U401 RTD2281W CG TMDS_VDD 1 TMDS_REXT 2 NC 3 NC 4 NC 5 NC 6 NC 7 NC 8 NC 9 NC 10 TMDS_GND 11 RX2P_1 12 RX2N_1 13 RX1P_1 14 RX1N_1 15 RX0P_1 16 RX0N_1 17 RXC...

Page 27: ...8 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 PA9 LVA0M LVA0P RXE0 PA2 LVACKP L T_SCL 5 L T_SCL L T_SDA LVB2M RXO2 LVACKM RXEC RXE1 LVA1M RXE2 LVA2M RXO1 LVB1M RXO3 LVB3M RXE3 LVA3M RXO0 LVB0M RXE0 LVA...

Page 28: ...0V R722 NC Q704 NC AO4449 7A 30V S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 R718 4K7 1 16W 5 R719 10K 1 16W 5 R720 22K VLCD 6 Panel_ON 5 VLCD 5V 5V 5V SOT 223 11 30 2009 C717 100N16V 5V 5V 5V 5V 12V BKLT_EN BKLT...

Page 29: ...805 1000pF 50V C813 2N2 50V R804 100K 1 16W 5 C814 2N2 50V U801 MP3389EF NC 1 VIN 2 VCC 3 COMP 4 EN 5 DBRT 6 GND 7 OSC 8 ISET 9 BOSC 10 LED12 11 LED11 12 LED10 13 LED9 14 LED8 15 LED7 16 LED6 17 LED5...

Page 30: ...004 12P 50V C008 100P 50V C007 100nF 25V CIN_01 Dif f erential KEY0 1524 CIN_05 C005 100nF 25V Differential C006 100nF 25V GPIO_00 SM_CLK U001 IT7230EFN BX CIN03 1 CIN07 2 CIN09 3 CIN11 4 VSHILD 5 VBI...

Page 31: ...31 7 PCB Layout 7 1 Main Board 715G4798M0G000004I All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...32 All manuals and user guides at all guides com...

Page 33: ...33 7 2 Key Board 715G4842K0E000004F All manuals and user guides at all guides com...

Page 34: ...ents 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 All manuals an...

Page 35: ...ened Check Power On Off is On Re plug the power cable Replace key board and check connections Check the LED indicate is OK Check the AC power Replace main board and check connections OK NG OK NG Turn...

Page 36: ...power button is OK Check the LVDS FFC cable or panel The end NG OK Replace the main board Replace the LVDS FFC cable or panel Replace the key board NG Replace the main board and connection OK OK All m...

Page 37: ...al 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 in the user mode Replac...

Page 38: ...al 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 sat...

Page 39: ...0 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 4 Adjust the RED on facto...

Page 40: ...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 Channel 10 with up or dow...

Page 41: ...41 10 Monitor Exploded View All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 42: ...0D1G1030 8120 SCREW MAIN BOARD MAIN FRAME 11 RUBBER FOOT 17 0Q1G 140 10120 SCREW REAR COVER HINGE 12 MYLAR 18 0M1G3130 5 47 CR3 SCREW REAR COVER MAIN FRAME 13 KEY BOARD 19 0M1G1730 8225 CR3 SCREW STA...

Page 43: ...ndSOUR CE 089G 725LAA DB SINGAL CABLE 1500MM HONGSHUO 2ndSOUR CE 0D1G1030 8120 screw 0M1G1730 8225 CR3 screw Hinge 0M1G3130 5 47 CR3 SCREW M3 x5 0Q1G 140 10120 SCREW 0Q1G1030 6120 SCREW 708GAG01 CP 3A...

Page 44: ...0019A 68N F 50 Volt K PER X7R JB 1608 R TP T 0 9 MAX C161 C164 C166 C17 0 C62 C68 C69 C78 C 79 C80 C81 C83 0CH2A 0026A 10U F 25 Volt K PER X5R JB 3225 R TP T 1 0 MAX C6 C9 0CH2A 0068A 10 Volt X7R JB...

Page 45: ...1 16W 1608 1 D R TP R64 0RH2201C422 2 2K OHM 1 16W 1608 1 D R TP R103 0RH2202C422 22K OHM 1 16W 1608 1 D R TP R137 0RH2400C422 240 OHM 1 16W 1608 1 D R TP R20 R21 R65 R68 0RH2401C422 2 4K OHM 1 16W 1...

Page 46: ...1 5 0 4 5022L 0305B SH140U 5256M SILICON Gray 10 2 0 0 25 5151L 0227A LM200WD3 TJA1 3034L 0961A TORAY TZC25S T 0 25 3M 1363 60 BM200WD3 TJA1 3953L 0142A TORAY 188E60L T 0 188 3M 1363 60 266 1 8 0 2 B...

Page 47: ...700mA 2000Hr HER MEI C807 067G415R479 9L EC 4 7UF 20 100V RZW 8 12 067G415R479 9K EC 4 7UF 20 100V ED 8 12 2ndSOUR CE FB701 071G 5526A H CORE 6 0X3 5X3 5 127 25 3 5X6 0 071G 5526A S CORE 6 0X3 5X3 5...

Page 48: ...ER MP3389EF TSSOP28 MPS U101 056G1133158 IC EEPROM CAT24C02WI GT3A 2Kb SOIC 8 ON 056G1133531 NO SUGGEST IC EEPROM FM24C02A SO T G 2K SOP 8 FUDAN 2ndSOUR CE 056G1133 34 1 IC EEPROM M24C02 RMN6TP 2Kb SO...

Page 49: ...R477 R478 061G0402470 JT RST CHIPR 47 OHM 5 1 16W 0402 TZAI YUAN R112 R113 R415 R42 0 R451 R459 R467 R4 75 R476 R705 R718 061G0402472 JT RST CHIPR 4 7 KOHM 5 1 16W 0402 TZAI YUAN R106 R110 R117 061G04...

Page 50: ...0 065G0402105A5K A MLCC 0402 1uF 10 10V X5R SAMSUNG 065G0402105A5K T MLCC 0402 1uF 10 10V X5R TAIYO YUDEN 2ndSOUR CE C145 C146 C151 C41 5 C418 C731 065G040222031J T MLCC 0402 22pF 5 50V NPO TAIYO YUDE...

Page 51: ...FCM1608CF 121T03 TAI TECH 071G 59C121 B FCM1608C 121T03 SMD 2ndSOUR CE FB104 FB105 FB106 071G 59K190 TA CHIP BEAD 0603 19R 25 500mA FCB1608KF 190T05 TAI TECH 071G 59K190 B 19 OHM BEAD 2ndSOUR CE L801...

Page 52: ...R CE 089G604A15N IS POWER CORD 1500MM Europe I SHENG 2ndSOUR CE F09502 F95G176X 10302 FFC CABLE 10PIN 304MM 0 5MM WENXIN F95G176J 10302 FFC CABLE 10PIN 304MM 0 5MM KOTL 2ndSOUR CE F95G176T 10302 FFC C...

Page 53: ...1J A MLCC 0402 12pF 5 50V NPO SAMSUNG 2ndSOUR CE D001 081G15BY 2 GP CHIP LED blue Orange GPTD12048BOC1 A GUANGPU 081G15BY 2 EL LED Blue Orange 12 22 BHS2C C30 2C EVERHIGHT 2ndSOUR CE ZD001 ZD002 093G...

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