AOC Envision H2076DL Service Manual Download Page 33 | Manualshive

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AOC Envision H2076DL Service Manual Download Page 33

33

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.

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Summary of Contents for Envision H2076DL

Page 1: ...ion 6 3 Operation Instruction 7 3 1 General Instructions 7 3 2 Control Buttons and Connections 7 3 3 OSD Menu 8 4 Input Output Specification 12 4 1 Input Signal Connector 12 4 2 Factory Preset Display...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A01 May 21 2012 Initial release TABSHG2TAJA1HN...

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: ...Hz Highest preset resolution 1600x900 60Hz Plug Play VESA DDC2B CI Input Connector D Sub15pin DVI D Input Video Signal Analog 0 7Vp p standard 75 OHM Power Source 100 240V 50 60Hz Power Consumption Ac...

Page 5: ...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 AC IN 100V 240V Monitor Block Diagram Power board Adapter Con...

Page 6: ...Press the Eco key continuously to select the Eco mode of brightness when there is no OSD Eco mode hot key may not be available in all models 4 3 or wide image ratio hot key When there is no OSD press...

Page 7: ...onnect one end of the 15 pin D Sub cable to the back of the monitor and connect the other end to the computer s D Sub port 3 Optional Requires a video card with DVI port Connect one end of the 24 pin...

Page 8: ...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 h...

Page 9: ...9 Function Control Illustration...

Page 10: ...10...

Page 11: ...11...

Page 12: ...12 4 Input Output Specification 4 1 Input Signal Connector Analog connectors...

Page 13: ...13 4 2 Factory Preset Display Modes...

Page 14: ...Colors 16 7M color Color Tran missiveMode Normallywhite Surface Treatment AG type 3H hard coating Haze 25 Luminance White 250 Cd m2 Cd m2 Color Gamut 72 of NTSC Typ TCO TCO 5 0 compliance Power Consu...

Page 15: ...ol Condition Min Typ Max Unit Color Chromaticity CIE 1931 Red Rx x 0 Y 0 R G B 255 Grayscale Typ 0 03 0 641 Typ 0 03 Ry 0 338 Green Gx 0 315 Ry 0 612 Blue Bx 0 159 By 0 059 White Wx 0 313 Wy 0 329 Cen...

Page 16: ...A Include MCU ADC OSD U401 D SUB Connector CN101 EEPROM MX25L2026DM1I 12G U402 D HS D VS RGB LCD Interface CN410 Key Control interface CN408 Crystal 12MHz X401 EEROM M24C02 U101 DDC1 SCL DDC1 SDA DVI...

Page 17: ...istor R911 PW Control LD7576AGR U901 Transformer T901 AC input 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Photo coupler U902 14 5V Power Switch Q901 D801 LED CN804 PWM Control OZ...

Page 18: ...U102 AZC399 Q101 NC AO3401A DDC1_SDA 3 DDC1_SDA Q102 NC LMBT3904LT1G VGA_B C104 NC 5PF 50V C105 NC 5PF 50V C110 NC 5PF 50V C119 NC 100N 16V R131 10R 1 16W 5 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC...

Page 19: ...R441 NC 2K2 1 16W 5 D405 NC RLZ5 6B 1 2 FB409 NC 120 OHM D403 NC RLZ5 6B C412 NC 10U 16V R434 3K9 5 1 16W R435 3K9 5 1 16W R439 1K 1 16W 5 LED_A VCC3 3 TOUCH_POWER INTB LED_G LED_A DSUB_B 2 DSUB_R 2...

Page 20: ...DA 5 JV_SCL 5 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 CN411 NC CONN RXO3 LVB3N RXE2 LVA2N RXO0 LVB0N RXE3 LVA3N RXO1 LVB1N RXE1 LVA1N LVACKN RXEC LVB2N RXO2 LV...

Page 21: ...4 5 6 7 8 9 CN701 CONN BKLT VBRI Mute R706 4K7 1 16W 5 R705 22K 1 16W 5 R707 100R 1 16W 5 Mute 3 Volume 3 VCC3 3 VCC3 3 on_BACKLIGHT 3 R701 NC 100R 1 16W 5 R702 NC 470R 1 16W 5 VCC3 3 C703 100N 16V O...

Page 22: ...909 100 OHM 1 4W R901 910K 1 4W R930 100 OHM 1 4W 1 2 t NR901 NTCR R905 470OHM 5 1 8W R919 200OHM 1 1 8W C916 2 2N 630V C923 1nF 50V 1 2 4 3 U902 PC123X2YFZOF Relayout 10 OHM R902 910K 1 4W 1 4 2 3 L9...

Page 23: ...N S1 1 G1 2 S2 3 G2 4 D2 5 D2 6 D1 7 D1 8 Q801 APM8005KCTRG C811 0 47UF 50V C816 1000PF500V 1 2 FB802 BEAD R804 10 OHM 1 8W L801 47UH C812 100PF 50V C804 0 47UF R819 NC 0 ohm R805 100KOHM 5 1 8W C807...

Page 24: ...iday March 23 2012 G4407 K02 X X 9 2 0 key SW001 SW 1 2 3 4 5 6 CN001 Wire Harness OK DOWN UP R002 2KOHM 1 1 10W CONNECTOR LED MENU Power R004 3K 1 10W R005 2KOHM 1 1 10W SW002 SW SW003 SW SW004 SW SW...

Page 25: ...25 7 PCB Layout 7 1 Main Board 715G5306M01000004L...

Page 26: ...26...

Page 27: ...27...

Page 28: ...28 7 2 Power Board 715G4497P03000001M...

Page 29: ...29...

Page 30: ...30...

Page 31: ...31...

Page 32: ...32 7 3 Key Board 715G4407K02000001S...

Page 33: ...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 34: ...ed 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 power board and check connections OK NG OK NG N...

Page 35: ...Press the power button is OK Check the LVDS FFC T901 The end NG OK OK NG Replace the main board Replace the power board and connection Replace the LVDS FFC cable or panel NG The end Replace the key b...

Page 36: ...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 37: ...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 38: ...own arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on fac...

Page 39: ...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 4 Adjust the RED on factory window until chroma 7120...

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

Page 41: ...CBPCBHGA3QS 8 MAIN_FRAME B 10 PLATE HINGE 11 REAR_COVER 12 HINGE 20 13 COVER_STAND 15 STAND 16 BASE No Part No Description 17 FOOT PAD 6 0D1G1030 6120 SCREW MB MAIN_FRAME 18 INSULATING SHEET 14 AM1G1...

Page 42: ...101 YM PLATE HINGE A37G0282015 ML HINGE 20 AM1G1740 10225 CR3 SCREW Q12G6600 6 HB FOOT PAD Q52G1801MNT095AFZA INSULATING SHEET Q52G1801MNT113AFHB INSULATING SHEET 802GQB34163 L20WA VS1 VSS2 STAND COVE...

Page 43: ...T 23 Q706 057G 763940 MOSFET AO3401A SOT 23 R417 061G0402000 JI RST 0402 0 05R MAX 1 16W R418 061G0402000 JI RST 0402 0 05R MAX 1 16W R423 061G0402000 JI RST 0402 0 05R MAX 1 16W R432 061G0402000 JI R...

Page 44: ...16W 5 TZAI YUAN R142 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R437 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R438 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R439 061G0402102 JT RST CHIP 1K 1...

Page 45: ...91 JT RST CHIP 390R 1 16W 5 TZAI YUAN R436 061G0402392 JI TEST ONLY RST 0402 3 9K 5 1 16W TA I R435 061G0402392 JI TEST ONLY RST 0402 3 9K 5 1 16W TA I R434 061G0402392 JI TEST ONLY RST 0402 3 9K 5 1...

Page 46: ...R406 061G0603220 JT RST CHIP 22R 1 10W 5 TZAI YUAN R427 061G0603331 JI RST 0603 330R 5 1 10W R427 061G0603331 JT RST 0603 330R 5 1 10W R433 061G0603471 JI TEST ONLY RST 0603 470R 5 1 16W TA I R433 061...

Page 47: ...065G040210412K Y CAP 0402 100NF 10 16V X7R C417 065G040210412K Y CAP 0402 100NF 10 16V X7R C416 065G040210412K Y CAP 0402 100NF 10 16V X7R C403 065G0402105A5K A CAP CHIP 0402 1UF K 10V X5R C403 065G04...

Page 48: ...BEAD 0603 300R 25 200mA FB407 071G 59G301 M CHIP BEAD 0603 300R 25 200mA FB406 071G 59G301 M CHIP BEAD 0603 300R 25 200mA FB405 071G 59G301 M CHIP BEAD 0603 300R 25 200mA FB403 071G 59G301 M CHIP BEA...

Page 49: ...T SWITCH AI 2PIN SEALED SW003 077G603S AI CJ TACT SWITCH AI 2PIN SEALED SW005 077G603S AI CJ TACT SWITCH AI 2PIN SEALED SW004 077G603S AI CJ TACT SWITCH AI 2PIN SEALED SW002 077G603S AI CJ TACT SWITCH...

Page 50: ...EW 3x8 HS3 Q90G6084 3 HEAT SINK 709G4497 QM001 CONSUMPTIVE ASS Y 055G 23524 WELDING FLUX WITHOUT PB Q55G 100625 TIN STICK_LOW ARGENTUM H40G 45762429A LABEL U901 056G 379529 AC DC CONVERTER IC LD7576AG...

Page 51: ...61G08053303FY RST CHIP 330K 1 8W 1 R816 061G08053901FF RST CHIPR 3 9KOHM 1 1 8W FENGHUA R816 061G08053901FI RST 0805 3 9K 1 1 8W R920 061G08054701FF RST CHIPR 4 7KOHM 1 1 8W FENGHUA R920 061G08054701F...

Page 52: ...32K F CAP 0805 1000PF 10 50V X7R C923 065G080510232K F CAP 0805 1000PF 10 50V X7R C815 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C906 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C914 065G080510232...

Page 53: ...2 071G 55 29 FERRITE BEAD FB901 071G 55 29 FERRITE BEAD FB902 071G 55 29 FERRITE BEAD F902 084G 56 4W FUSE 4A 250V ZD901 093G 3916352T ZD TZX22B ZD901 093G 3916826T ZENER MTZJ T 77 22B 22V 0 5W DO 34...

Page 54: ...S4713KT EC 470uF 20 16V 10 13 ED C801 367G215X3314LT EC 330UF 20 25V 10 12 5 C801 067G215D3314KT EC 330UF 20 25V 10 12 ED C918 067G215D3314KT EC 330UF 20 25V 10 12 ED C918 367G215X3314LT EC 330UF 20 2...

Page 55: ...600x0 3 E05201 Q52G1001209 A JY AL FOIL E05201 Q52G1001209 A ZA AL FOIL E05203 Q52G1001211 B JY AL FOIL E05202 Q52G1001211 B JY AL FOIL E05203 Q52G1001211 B ZA AL FOIL E05202 Q52G1001211 B ZA AL FOIL...

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