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AOC E2051SDN Service Manual Download Page 24

 

 

24

5. Block Diagram 

5.1 Main Board 

     

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIM

ON/OFF 

Feedback Circuit 

D801 

L801 

PWM Control 

MP3389EF 

(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 

(CN101) 

Power Integration IC 

APW7080KAITRG  

(U705) 

Summary of Contents for E2051SDN

Page 1: ...1 Monitor Specification 4 2 LCD Monitor 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 1...

Page 2: ...del TABJT42CB7SUNNF LF 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 T...

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: ...NITOR will contain a main 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 Adapte...

Page 6: ...to select the Eco mode of brightness 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 imag...

Page 7: ...er function repeat steps 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...

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...

Page 9: ...9 4 Press or to adjust 5 Press to exit...

Page 10: ...10 Image 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...

Page 11: ...icture Phase to reduce Horizontal Line 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 th...

Page 12: ...12 3 Press or to select submenu and press to enter 4 Press or to adjust 5 Press to exit...

Page 13: ...register Blue Blue Gain 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...

Page 14: ...ess to exit Frame Size 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 F...

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...

Page 16: ...0 100 Adjust the horizontal position 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...

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...

Page 18: ...C off time Image Ratio 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 informat...

Page 19: ...RS Pin Assignments Pin 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...

Page 20: ...20 4 2 Factory Preset Display Modes...

Page 21: ...ray scale or the brightness of the 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...

Page 22: ...SAIC 60Hz 950 1235 mA 1 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...

Page 23: ...Rise Time TrR 1 1 2 6 ms 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 3...

Page 24: ...L801 PWM Control MP3389EF 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...

Page 25: ...V DDCSDA1 5 RIN0 GIN0 BIN0 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 SU...

Page 26: ...CKP PA2 CABLE_DET EESCL EDID_WP EDID_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 1...

Page 27: ...14 16 18 20 22 24 26 28 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 LV...

Page 28: ...00K 1 16W 5 C719 100N 50V 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...

Page 29: ...F 50V R827 1R 1 10W 5 C805 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 1...

Page 30: ...W 5 R004 100R 1 16W 5 C004 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...

Page 31: ...31 7 PCB Layout 7 1 Main Board 715G4798M0G000004I...

Page 32: ...32...

Page 33: ...33 7 2 Key Board 715G4842K0E000004F...

Page 34: ...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 35: ...ck 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 connec...

Page 36: ...No Video Power LED White Press the 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 ma...

Page 37: ...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 38: ...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 39: ...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 4...

Page 40: ...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 41: ...41 10 Monitor Exploded View...

Page 42: ...ption 10 Stand plate 16 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 0M1G...

Page 43: ...ABLE 1500MM GREATLAND 2ndSOUR 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 61...

Page 44: ...1608 R TP C63 C64 0CH2A 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 0CH2...

Page 45: ...R95 0RH2001C422 2K OHM 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 0RH24...

Page 46: ...0321A SH140U 5256M SILICON Gray 450 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 188E6...

Page 47: ...H EC 150uF 20 25V 8 7mm 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 55...

Page 48: ...056G 700 5 IC LED DRIVER 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 EEPR...

Page 49: ...1 R105 R107 R11 1 R118 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 YUA...

Page 50: ...6V X7R SAMSUNG C416 C420 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 22...

Page 51: ...121 TA CHIP BEAD 0603 120R 25 300mA 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 5...

Page 52: ...M EUROPE JIANRUN 2ndSOUR 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...

Page 53: ...NPO YAGEO 065G040212031J 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 2ndSO...

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