AOC e2050Sdak Service Manual Download Page 44 | Manualshive

Page: 44 / 61

background image

44

8.2 Trouble Shooting

No Power

OK

NG

No power

Check power cable 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 on the Power

“On/Off” switch

Replace key board and check connections

NG

«
...
42
43
44
45
46
...
»

Summary of Contents for e2050Sdak

Page 1: ... 3 1 General Instructions 6 3 2 Control Buttons and Connections 6 3 3 OSD Setting 8 4 Input Output Specification 24 4 1 Input Signal Connector 24 4 2 Preset Display Modes 25 4 3 Panel Specification 26 5 Block Diagram 28 5 1 Main Board 28 5 2 Power Board 29 6 Schematic 30 6 1 Main Board 30 6 2 Power Board 35 6 3 Key Board 37 7 PCB Layout 38 7 1 Main Board 38 7 2 Power Board 40 7 3 Key Board 42 8 Ma...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Sep 13 2012 Initial release TACMN22QAGA15NE ...

Page 3: ...may 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 out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of cont...

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

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

Page 6: ...on off the monitor Eco DCR Press the Eco key continuously 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 Volume When there is no OSD Press Volume button to active volume adjustment bar Press or to adjust volume Only for the models with speakers Auto Exit When there is no OSD press Auto Source button continuously about 3 seco...

Page 7: ...ub cable to the back of the monitor and connect the other end to the computer s D Sub port 3 Connect one end of the DVI cable to the back of the monitor and connect the other end to the computer s DVI port 4 Connect the audio cable to audio in port on the back of the monitor 5 Turn on your monitor and computer If your monitor displays an image installation is complete If it does not display an ima...

Page 8: ...u want to adjust any other 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 hold the MENU button while the monitor is off and then press power button to turn the monitor on Notes 1 If the product has only one signal input the item of Input Select is d...

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

Page 10: ...10 5 Press two times to exit ...

Page 11: ...11 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 12: ...12 5 Press two times to exit ...

Page 13: ...13 Color Setup 1 Press Menu to display menu 2 Press or to select Color Setup and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 14: ...14 5 Press two times to exit ...

Page 15: ...15 Picture Boost 1 Press Menu to display menu 2 Press or to select Picture Boost and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 16: ...16 5 Press two times to exit ...

Page 17: ...17 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 4 Press or to adjust ...

Page 18: ...18 5 Press two times to exit ...

Page 19: ...19 Extra 1 Press Menu to display menu 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 ...

Page 20: ...20 5 Press two times to exit ...

Page 21: ...21 Exit 1 Press Menu to display menu 2 Press or to select Exit and press to enter 3 Press two times to exit Exit Exit the main OSD ...

Page 22: ...nstalling the e Saver software follow the install wizard to complete software installation Under each of the four PC status you may choose from the pull down menu the desired time in minutes for your monitor to automatically shutdown The example above illustrated 1 The monitor will never shutdown when the PC is powered on 2 The monitor will automatically shutdown 5 minutes after the PC is powered ...

Page 23: ...ensor on the LOGO which is located on the left of AOC logo 2 The detecting range is too far or the things blocks monitor reset the examination area Screen Welcome to Screen software by AOC Screen software is a desktop screen splitting tool it splits the desktop into different panes each pane displays a different window You only need to drag the window to a corresponding pane when you want to acces...

Page 24: ...24 4 Input Output Specification 4 1 Input Signal Connector Analog connector ...

Page 25: ...25 4 2 Preset Display Modes ...

Page 26: ...dule with WLED Backlight unit and 30 pins 2ch LVDS interface This module supports 1600 H x 900 V HD resolution and can display up to 16 7M colors The converter module for Backlight is not built in 4 3 2 GENERAL SPECIFICATIONS 4 3 3 Electrical Characteristics TFT LCD MODULE Vcc 5 0 V Ta 25 2 º C Fr 75Hz ...

Page 27: ...27 BACKLIGHT UNIT Ta 25 2 º C 4 3 4 Optical Characteristics Ta 25 2 C ...

Page 28: ...S0 DDCSCL1 DDCSDA1 EDID_WP VGA_CABLE_DET PA 0 9 5V EDID_WP RX0 RX1 RX0 RXC RX2 RX2 RXC RX1 DDCSCL2 DDCSDA2 DVI_CABLE_DET 5V EDID_WP DVI_HPD VCC3 3 VCC1 8 5V 02 INPUT 02 D SUB INPUT R0 R0 SOG_DET G0 G0 B0 B0 5V AHS0 AVS0 DDCSCL1 DDCSDA1 EDID_WP VGA_CABLE_DET 04 SCALER 04 SCALER Adj_BACKLIGHT on_BACKLIGHT Audio_EN Audio_DET PS_EN Panel_ON PB 0 9 PA 0 9 R0 R0 SOG_DET G0 G0 B0 B0 AHS0 AVS0 DDCSCL1 DDC...

Page 29: ... ON OFF DIM L801 LED CN804 PWM Control OZ9998BGN U801 14 5V EMI filter Start Resistor R908 R911 PWM Control LD7576AGR U901 Bridge Rectifier and Filter Rectifier diodes Transformer T901 Feedback Circuit Regulator IC903 5V Photo coupler U902 Power Switch Q901 ...

Page 30: ...0R05 1 16W C111 NC 22pF 50V R114 4K7 1 16W 5 C110 47N16V BIN0 C107 47N16V R115 4K7 1 16W 5 R112 75 OHM 5 1 16W D101 BAV70 3 1 2 R109 0R05 1 16W C105 47N16V R101 100R 1 16W 5 R102 100R 1 16W 5 R126 2K2 1 16W 5 C113 100N 16V R106 100R 1 16W 5 R103 0R05 1 16W C109 5PF 50V R116 22K 1 16W 5 R110 0R05 1 16W R108 100R 1 16W 5 R125 2K2 1 16W 5 C102 47N16V R107 75 OHM 5 1 16W R117 0R05 1 16W ZD101 RLZ5 6B ...

Page 31: ... 1 16W 5 R136 10R 1 16W 5 R134 10R 1 16W 5 U107 AOZ8902CIL CH1 1 VN 2 CH2 3 CH3 4 VP 5 CH4 6 D102 BAV70 3 1 2 R139 10R 1 16W 5 R135 10R 1 16W 5 C115 100N 16V C118 100N 16V R131 4K7 1 16W 5 ZD102 RLZ5 6B C116 220N16V R132 4K7 1 16W 5 R141 10R 1 16W 5 R127 100R 1 16W 5 R138 10R 1 16W 5 RX1 5 RX0 5 RX1 5 RXC 5 RX2 5 RX0 5 RXC 5 EDID_WP 3 5 RX2 5 DVI_CABLE_DET 5 DDCSDA2 5 5V 3 5 7 DDCSCL2 5 5V DVI5V D...

Page 32: ...54 T7M 53 T7P 52 PA1 PWMD DBC 34 PA2 PWMD DBC 84 PA0 PWMC 33 OSCO 93 OSCI 94 PC5 100 PC4 99 PC1 LPD_OUT 96 PC0 PWMA DBC 76 DVDD 23 CVDD_1V8 39 PE1 LPD_IN1 INT_VSO 78 DGND 77 PA3 85 SPI_CLK 86 SPI_SI 88 SPI_SO 87 SPI_CE 89 PC7 91 PA4 INTE3 INT_HSO 40 PA7 80 PA6 PWMC 81 PA5 PWMB 41 PB0 ADC0 35 PB1 ADC1 36 DVDD 73 PE0 PWMA LPD_IN0 29 PB3 ADC3 INTE1 82 PE3 PWMB 79 PE2 PWMA DBC 42 OSC_GND 95 R441 NC 4K...

Page 33: ...ronics Co Ltd Key Component 絬隔瓜絪腹 DUAL B OTS A 6 7 Friday October 29 2010 715G4502 M0B 000 0040 称爹 LVDS PANEL I O 715G4502 M0B 000 0040 C433 100uF16V FB409 120 OHM 1 2 R449 300 OHM 1 4W CN409 NC CONN 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 C436 NC C435 NC PA9 LVA0M CN408 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 ...

Page 34: ...4 VIN 3 VOUT 2 GND 1 C715 220N16V U701 AZ1117H 3 3TRG1 INPUT 3 ADJ GND 1 OUTPUT 2 4 4 on_BACKLIGHT 5 Adj_BACKLIGHT 5 VCC3 3 5 VLCD 6 VCC1 8 5 5V 3 4 5 Audio_EN 5 Panel_ON 5 5V 3 4 5 VLCD VCC3 3 5V VCC3 3 5V VCC3 3 5V VCC3 3 5V VCC1 8 5V U702 NC G1117 33T43UF ADJ GND 1 VOUT TAB 2 VIN 3 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 ...

Page 35: ...00K C922 470uF 16V C924 0 1uF 50V R914 NC D908 NC IN4148 R933 NC R905 470OHM 5 1 8W C927 47N 50V R904 250OHM2W D902 SR515 FB903 BEAD 1 2 R919 220 OHM 1 8W D901 SR515 C923 1nF 50V R917 10 OHM 1 4W R910 100 OHM 1 4W R920 2K 1 8W R909 100 OHM 1 4W T901 POWER X FMR 1 3 4 5 6 7 8 9 10 11 12 C908 0 47UF Q901 P0765ATF C928 2N2 500V U902 PC123X2YFZOF 1 2 4 3 U901 LD7576AGR CT 1 COMP 2 CS 3 GND 4 OUT 5 VCC...

Page 36: ...EF 8 VIN 9 STATUS 10 SSTCMP 11 PWM 12 C813 100PF 50V R812 0 1R 1 R818 10K 1 8W R813 0 1R 1 D801 SK310B 1 2 R814 10 OHM 1 1 4W C807 220N 50V R803 300K 1 8W C811 0 47UF 50V Q801 APM8005KCTRG S1 1 G1 2 S2 3 G2 4 D2 5 D2 6 D1 7 D1 8 R817 100 OHM 1 4W C803 1N 50V C805 1UF 25V L801 47UH CN804 CONN 1 2 3 4 5 6 7 8 FB802 BEAD 1 2 C806 220N 50V R810 18K 1 8W 1 R816 7 5K OHM 1 C814 100N 50V C815 1N 50V FB80...

Page 37: ...Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 e950Sw B N A B 2 2 Tuesday Nov ember 02 2010 715G4747 称爹 2 0 key G4747 K0B 000 0040 101026 SW002 SW SW003 SW SW001 SW SW004 SW R003 2KOHM 1 1 10W R002 0R01 1 10W C001 NC 0 1uF 50V R001 2KOHM 1 1 10W SW005 SW C002 NC 0 1uF 50V R004 1K 1 10W DOWN LBADC1 1 118V 0 673V 1K CN001 Wire Harness 1 2 3 4 5 6 SGN...

Page 38: ...38 7 PCB Layout 7 1 Main Board 715G4502M01BRA004C ...

Page 39: ...39 ...

Page 40: ...40 7 2 Power Board 715G4744P02000001M ...

Page 41: ...41 ...

Page 42: ...42 7 3 Key Board 715G4747K02000001C ...

Page 43: ...intainability 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 ...

Page 44: ...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 on the Power On Off switch Replace key board and check connections NG ...

Page 45: ...ue 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 board NG OK Replace the main board and connection OK ...

Page 46: ...ry 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 in the user mode Replace the main board Replace the panel NG NG NG OK NG NG OK The end OK NG ...

Page 47: ...r 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 ...

Page 48: ...120 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 20 y 329 20 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 reachedthe value G 100 6 Adjust the BLUE on factory window until chroma...

Page 49: ...bove 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 Channel 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 A...

Page 50: ...50 10 Monitor Exploded Views ...

Page 51: ... 5M E09504 095G8014 6DJ15 HARNESS 6P A2008 6P CI1406S 160mm 0D1G1030 6120 screw 0M1G 930 8 47 CR3 SCREW 3x8 0M1G1140 8120 SCREW 4x8 0Q1G 330 8120 SCREW E08901 389G424A15N0IS AC POWER CORD 1500mm E09501 395G179J30PE37 FFC CABLE 30PIN 175mm 1 0mm 705GHB34040 STAND ASS Y FOR 50TH 20 SKD 705GHC34A06 REAR COVER ASS Y C E750 750GBM200FGN12N000 LCD M200FGE L23 C1 CC NB CMI E750 750GBM200FGN1QN000 LCD M20...

Page 52: ... T BLUE H 10 4 CN102 088G 35424F VC CKD DVI CONN 24P 1 1 V T X401 093G 2251B J CRYSTAL 12MHZ NXS12 000AC30F KAB10 709G4502 HM002 COMSUPTIVE ASS Y H40G 45762429A LABEL LED001 081G 12 1F GH LED GREEN YELLOW GHZYG603D2 5B CN001 095G820H 6TE10 HARNESS 6P SANW 6P 2008 120 709G4747 HM001 COMSUPTIVE ASS Y GND1 009G6005 1 GND TERMINAL CN602 033G3802 4B Y L CONNECTOR 4P 2 0 U902 056G 139 9 IC EL817M X phot...

Page 53: ...NK 0M1G 930 8120 SCREW 3x8 055G 23524 WELDING FLUX WITHOUT PB Q51G 6 4509 GLUE_RTV Q55G 100625 TIN STICK_LOW ARGENTUM U901 056G 379529 AC DC CONVERTER IC LD7576AGR SOP 7 U801 056G 700 11 LED DRIVER OZ9998BGN A1 0 TR SOP 16 Q607 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q608 057G 417518 TRA LMBT3904LT1G 200mA 40V SOT 23 LRC Q801 057G 763947 MOSFET APM8005KCTRG 6A 80V SOP 8 R612 061G0603102 ...

Page 54: ...T CHIPR MAX0R05 1 4W TZAI YUAN RJ606 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN RJ605 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN RJ604 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN RJ603 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN RJ602 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN F801 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN R917 061G1206100 JT RST CHIPR 10 OHM 5 1 4W TZ...

Page 55: ...1000PF 10 50V X7R C803 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C815 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C906 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C914 065G080510232K Y CAP CHIP 0805 1N 50V X7R 10 C915 065G080510332K Y CAP CHIP 0805 10N 50V X7R 10 C802 065G080510332K Y CAP CHIP 0805 10N 50V X7R 10 C924 065G080510432K F CAP CHIP 0805 0 1UF K 50V X7R C814 065G080510432K F CAP CH...

Page 56: ...UAN R110 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R117 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R118 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R406 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R407 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R409 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R410 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R453 061G0402000 J...

Page 57: ... CHIP 10K 1 16W 5 TZAI YUAN R444 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R429 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R427 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R425 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R415 061G0402104 JT RST CHIP 100K 1 16W 5 TZAI YUAN R422 061G0402104 JT RST CHIP 100K 1 16W 5 TZAI YUAN R715 061G0402104 JT RST CHIP 100K 1 16W 5 TZAI YUAN R432 061G040...

Page 58: ...G040210412K Y CAP 0402 100NF 10 16V X7R C411 065G040210412K Y CAP 0402 100NF 10 16V X7R C412 065G040210412K Y CAP 0402 100NF 10 16V X7R C415 065G040210412K Y CAP 0402 100NF 10 16V X7R C417 065G040210412K Y CAP 0402 100NF 10 16V X7R C418 065G040210412K Y CAP 0402 100NF 10 16V X7R C419 065G040210412K Y CAP 0402 100NF 10 16V X7R C422 065G040210412K Y CAP 0402 100NF 10 16V X7R C424 065G040210412K Y CA...

Page 59: ...5 4 7UF 10 10V X7R C404 065G0805475A2K Y NO SUGGEST CAP 0805 4 7UF 10 10V X7R C413 065G0805475A2K Y NO SUGGEST CAP 0805 4 7UF 10 10V X7R C416 065G0805475A2K Y NO SUGGEST CAP 0805 4 7UF 10 10V X7R C421 065G0805475A2K Y NO SUGGEST CAP 0805 4 7UF 10 10V X7R C423 065G0805475A2K Y NO SUGGEST CAP 0805 4 7UF 10 10V X7R FB407 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB409 071G 56K121 M CHIP BEAD...

Page 60: ...55 9 T BEAD 3 5 0 8 6 0mm 110R HF FB901 071G 55 29 FERRITE BEAD FB903 071G 55 29 FERRITE BEAD FB902 071G 55 29 FERRITE BEAD FB802 071G 55 29 FERRITE BEAD FB801 071G 55 29 FERRITE BEAD F901 084G 56 4 B FUSE 4A 250V F902 084G 56 4 B FUSE 4A 250V F903 084G 56 4 B FUSE 4A 250V ZD901 093G 39A6852T ZENER MTZJ22B 21 51V 0 5W DO 35 D601 093G 6452452T SWITCHING 1N4148 B4006 0 2A 100V DO 35 D907 093G 645245...

Page 61: ...0 23 JUMP WIRE J809 095G 90 23 JUMP WIRE J810 095G 90 23 JUMP WIRE J811 095G 90 23 JUMP WIRE J812 095G 90 23 JUMP WIRE J813 095G 90 23 JUMP WIRE C931 367G415X4713AT EC 470uf 20 16V ERS1CM471G13B50TM 10X13 C922 367G415X4713AT EC 470uf 20 16V ERS1CM471G13B50TM 10X13 C918 367G415X6814AT EC 680uf 20 25V ERS1EM681G20B50TM 10x20 709G4744 HA001 CONSUMPTIVE ASS Y E715 715G4744P02000001C PWR PCB FR1 SS 193...

Reviews:

No comments

Related manuals for e2050Sdak

Brand: NEC Pages: 14

Brand: Zenith Pages: 36

Brand: Zenith Pages: 36

Brand: Zenith Pages: 56

Brand: FDI Pages: 15

Brand: ROE Pages: 37

Brand: Alecto Pages: 56

FDA700 for Delta Winding

Brand: FRC Pages: 20

Brand: C.ITOH Pages: 196

Brand: Alecto Pages: 24

Brand: Barco Pages: 131

DPM-IP70 TMD Series

Brand: XtendLan Pages: 12

GUARDIAN PLUS CM-1701

Brand: Static Solutions Pages: 2

Brand: I-Inc Pages: 19

Brand: Axis Pages: 4

Brand: Avery Weigh-Tronix Pages: 58

Brand: Contec Pages: 2

Brand: Luvion Pages: 58

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands