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AOC e2250Sh, Service Manual

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AOC e2250Sh Service Manual Download Page 23

23

 

5.2 Power Board

   

715G4744P01003001M   

AC input

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

715G3977P04000004M

 

 

 

 

 

 

 

 

 

 

 
 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

D806 

                                   

 

14.5V 

MOSFET 

(Q806) 

                                   
 

ON/OFF 

DIM 

L801 

                                   

 

 

 

 

LED 

(CN804) 

PWM Control 

MP3389EF 

(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) 

Summary of Contents for e2250Sh

Page 1: ...1 General Instructions 6 3 2 Control Buttons and Connections 6 3 3 OSD Setting 8 4 Input Output Specification 18 4 1 Input Signal Connector 18 4 2 Preset Display Modes 19 4 3 Panel Specification 20 5 Block Diagram 22 5 1 Main Board 22 5 2 Power Board 23 6 Schematic 24 6 1 Main Board 24 6 2 Power Board 29 6 3 Key Board 31 7 PCB Layout 32 7 1 Main Board 32 7 2 Power Board 34 7 3 Key Board 38 8 Maint...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Jan 29 2013 Initial release HDCGNZ6BAGA1DNE HDCSNZ6BAGA1DNE ...

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: ...vailable in all models Volume When there is no OSD Press Volume button to active volume djustment bar Press or to adjust volume Only for the models with speakers 4 3 or wide When there is no OSD Press continuously to change 4 3 or wide image ratio If the product screen size is 4 3 or input signal resolution is wide format the hot key is disable to adjust Auto Exit When there is no OSD press Auto E...

Page 7: ... video card with DVI port 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 Optional Requires a video card with HDMI port Connect one end of the HDMI cable to the back of the monitor and connect the other end to the computer s HDMI port 5 Optional Requires a video card with Audio port Connect one end of the Audio cable to the back of...

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 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 5 Press to exit ...

Page 11: ...11 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 5 Press to exit ...

Page 12: ...12 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 5 Press to exit ...

Page 13: ...13 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 5 Press to exit ...

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

Page 15: ...15 Exit 1 Press Menu to display menu 2 Press or to select Exit and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust 5 Press to exit ...

Page 16: ...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 17: ...ng 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 access it It supports multiple monitor display to make your task easier Please follow the installation software to install it ...

Page 18: ...18 4 Input Output Specification 4 1 Input Signal Connector Analog connector ...

Page 19: ...19 4 2 Preset Display Modes ...

Page 20: ...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 has been designed to apply the interface method that enables low power high speed low EMI FPD Link or compatible must be used as a LVDS Low Voltage Differential Signaling chip It is intended to support applications where thin thic...

Page 21: ...21 BACKLIGHT UNIT Ta 25 2 º C 4 3 4 Optical Characteristics Ta 25 C VLCD 5 0V fV 60Hz fCLK 119MHz IBL 120mA ...

Page 22: ...DID_WP DVI_HPD 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 DDCSDA1 EDID_WP VGA_CABLE_DET RXC RXC RX2 RX2 RX1 RX1 RX0 RX0 DDCSCL2 DDCSDA2 DVI_CABLE_DET DVI_HPD VCC1 8 VCC3 3 5V P_SCL P_SDA 05 PANEL INTERFA...

Page 23: ...14 5V MOSFET Q806 ON OFF DIM L801 LED CN804 PWM Control MP3389EF 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 24: ... 5 CH4 6 R103 100R 1 16W 5 C102 47nF 16V SCL_VGA C124 NC 100N16V R107 75R 1 16W 1 FB102 BEAD 1 2 C106 5PF 50V C116 220N16V C113 220N16V ZD101 NC RLZ5 6B FB106 300 OHM RED GREEN R129 1K 1 16W 5 BLUE R132 4K7 1 16W 5 R101 NC C114 NC 100N16V R104 100R 1 16W 5 FB101 BEAD 1 2 HPD R117 0R05 1 10W DVI5V1 C107 5PF 50V R102 100R 1 16W 5 RXC 5 SCL_DVI RX2 5 RX2 5 DVI_SDA 5 DVI5V 5 RXC 5 RX1 5 RX0 5 RX1 5 DA...

Page 25: ...MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 UU240HGLW A OTS B 4 9 Monday Nov ember 22 2010 RDG4641 M0D OTS 0040 称爹 3 HDMI RDG4641 M0D OTS 0040 101122 U111 NC RClamp0524P TCT IN1 1 IN2 2 GND 3 IN3 4 IN4 5 OUT4 6 OUT3 7 GND 8 OUT2 9 OUT1 10 U109 AOZ8902CIL CH1 1 VN 2 CH2 3 CH3 4 VP 5 CH4 6 R153 1K 1 16W 5 U110 AOZ8804DI CH1 1 CH2 2 VN 3 CH3 4 CH4 5 NC 6 NC 7 VN 8 N...

Page 26: ...P 88 DVDD 87 T4M 86 T4P 85 T5M 84 T5P 83 T6M 82 T6P 81 TCLK2M 80 TCLK2P 79 T7M 78 T7P 77 DGND 76 PD6 75 PD5 74 PD4 AMUTE 73 PD3 SPI_CK 72 PD2 SPI_SI 71 PD1 SPI_SO 70 PD0 SPI_CE 69 P35 T1 68 P34 T0 67 DVDD 66 A_VCC 65 DVI_VCC 128 DGND 127 MVDD 126 DDC_SDA3 PA7 125 DDC_SCL3 PA6 124 DDC_SDA2 PA5 123 DDC_SCL2 PA4 122 LPD_IN1 PE1 121 LPD_IN0 PE0 120 CVDD 119 DVDD 118 OSCO 117 OSCI 116 DGND 115 RSTB 114...

Page 27: ... 瓜 絪 腹 UU240HGLW A OTS A 6 8 Tuesday Nov ember 30 2010 RDG4641 M0D OTS 0040 称爹 5 PANEL INTERFACE RDG4641 M0D OTS 0040 101122 PA9 LVA3P LVA0P RXE0 PA2 LVA1M C433 NC FB408 120 OHM 1 2 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 C434 NC R455 1K 1 4W 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 30 R454 1K 1 ...

Page 28: ...K 1 16W 5 C708 100N16V Q704 NC C750 220N16V R750 1K 1 16W 5 R701 10K 1 16W 5 U702 NC AP2114D 3 3TRG1 VIN 3 VOUT 2 GND 1 U701 VIN 3 VOUT 2 GND 1 R720 NC 47K 1 16W 5 Q705 AO4449 7A 30V S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 R711 NC 10K 1 16W 5 R721 56KOHM 1 16W CN701 CONN 1 2 3 4 5 6 7 8 9 U703 NC G1117 18T63Uf VI 3 VO 2 GND 1 4 4 C710 NC 0 1uF 16V C714 100N16V R714 NC Q702 LMBT3904LT1G Q701 LMBT3904LT1G C...

Page 29: ...100N 50V R906 100K C922 470UF M 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 ...

Page 30: ...ustom 2 2 Monday Nov ember 01 2010 715G3977 P0C 000 0040 ODM MODEL 01 CONVERTER G3977 P0C 000 0040 1 100111 C804 470N 50V R809 5 1KOHM 1 1 10W R812 0 3 OHM 5 1 4W R833 0R05 1 10W C806 100pF 50V R834 0R05 1 10W R835 0R05 1 10W R836 0R05 1 10W Q802 MMBT3904 R837 0R05 1 10W C809 33UF 100V C808 NC 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 L...

Page 31: ...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 32: ...32 7 PCB Layout 7 1 Main Board 715G4641M01000004S ...

Page 33: ...33 ...

Page 34: ...34 7 2 Power Board Adapter 715G4744P01003001M ...

Page 35: ...35 ...

Page 36: ...36 Converter 715G3977P04000004M ...

Page 37: ...37 ...

Page 38: ...38 7 3 Key Board 715G4747K02000001C ...

Page 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...Y 1 3 A33G1182 1 POWER LENS 1 4 Q52G1801MNT160CFL T MYLAR 1 5 A15G1597 MAIN FRAME 1 6 A15G1587101 HINGE PLATE 2 7 Q34G7394ABJ REAR COVER 1 8 H37G0026011 HINGE 1 9 Q33G0504ABJ STAND 1 10 Q34G7395ABJ STAND COVER 1 11 Q34G7396AED BASE 1 12 Q12G6600 6 RUBBER FOOT 4 13 Q33G0505ABJ HINGE COVER 1 ...

Page 47: ...G 140 12120 SCREW 4X12 0Q1G 330 10120 SCREW FOR FP RC 42 D003792 E09504 395G802206WW05 HARNESS 6P CI1406 6P 1253HA 160MM E750 750GBG230W5F13N000 LCD LM230WF5 TLF1 GZ LGD A15G1597301504 MAINFRAME A33G1181ABJ 1L0100 KEY A33G1182 1 1L0100 LENS_POWER ADPCB1603HDE ADAPTER BOARD AM1G1740 10125 SCREW AM1G1740 12125 SCREW H37G0026011 HINGE H40G 001624 1A CARTON LABEL BARCODE 1 H40G000262403A CEL LABEL EU ...

Page 48: ...7G 501 48 DL AC SOCKET 3PIN 3 Hole BD901 093G 50460514 BRIDGE KBP306G 05 3A 800V KBP D901 093G 60335 DIODE SR515 5A 150V DO 201AD D905 093G 60519 DIODE SR560 MK23 5A 60V DO 27 SECOS D909 093G 60519 DIODE SR560 MK23 5A 60V DO 27 SECOS CN902 095G 825 9D905 HARNESS 9P SCN 9P 80mm FQE100911I 0Q1G 340 8140 SCREW Q1 SELF TAPING SCREW Q x8 0 705GHA57006 Q901 ASS Y 709G4744 HM001 CONSUMPTIVE ASS Y H40G 45...

Page 49: ... 061G1206000 JT RST CHIPR MAX0R05 1 4W TZAI YUAN R917 061G1206100 JT RST CHIPR 10 OHM 5 1 4W TZAI YUAN R930 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R929 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R912 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R910 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R909 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R903 061G1206101 JT RS...

Page 50: ...IC903 056G 158 10 T DC DC AS431AZTR E1 150MA 40V TO 92 Q904 057G 530503 T 2SD1207T R915 061G 17222052T TZ RST CFR 22R 5 1 4W R906 061G152M10452T SY RST MOFR 100KOHM 5 2WS FUTABA R904 061G152M25152T SY RST MOF 250R 5 2W R924 061G152M47852T SY RST MOFR 0 47 OHM 5 2WS FUTABA C911 065G 2K152 2T6921 CAP CER 1500pF K 2KV Y5P C902 065G305M1023WR CAP Y2 1NF 20 250V Y5U C903 065G305M1023WR CAP Y2 1NF 20 25...

Page 51: ...806 061G0603102 JF RST CHIPR 1K OHM 5 1 10W FENGHUA R819 061G06031102FT RST CHIP 11K 1 10W 1 R802 061G06031803FT RST CHIP 0603 180K 1 10W 1 R810 061G0603203 JF RST CHIPR 20K OHM 5 1 10W FENGHUA R807 061G0603204 JF RST CHIPR 200KOHM 5 1 10W FENGHUA R803 061G06033002FT RST CHIP 30K 1 10W 1 R809 061G06036201FT RST CHIP 6K2 1 10W 1 R829 061G0805109 JF RST CHIPR 1 OHM 5 1 8W FENGHUA R830 061G0805109 JF...

Page 52: ...G1133 34 1 EEPROM M24C02 RMN6TP 2Kb SO 8 U105 056G1133 34 1 EEPROM M24C02 RMN6TP 2Kb SO 8 U102 056G1133 34 1 EEPROM M24C02 RMN6TP 2Kb SO 8 U402 056G2233501 FLASH MX25L2026DM1I 12G 2Mb SOP 8 Q603 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q402 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q401 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q601 057G 417518 TRA LMBT3904LT1G 200mA 40V S...

Page 53: ...RST CHIP 1K 1 16W 5 TZAI YUAN R417 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R416 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R153 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R129 061G0402102 JT RST CHIP 1K 1 16W 5 TZAI YUAN R717 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R705 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R704 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R632 061G0402103 ...

Page 54: ...23901FF RST CHIPR 3 9KOHM 1 1 16W FENGHUA R439 061G04023901FF RST CHIPR 3 9KOHM 1 1 16W FENGHUA R440 061G04023901FF RST CHIPR 3 9KOHM 1 1 16W FENGHUA R112 061G0402470 JT RST CHIP 47R 1 16W 5 TZAI YUAN R111 061G0402470 JT RST CHIP 47R 1 16W 5 TZAI YUAN R110 061G0402470 JT RST CHIP 47R 1 16W 5 TZAI YUAN R159 061G0402470 JT RST CHIP 47R 1 16W 5 TZAI YUAN R158 061G0402470 JT RST CHIP 47R 1 16W 5 TZAI ...

Page 55: ...604 065G040210412K Y CAP 0402 100NF 10 16V X7R C621 065G040210412K Y CAP 0402 100NF 10 16V X7R C701 065G040210412K Y CAP 0402 100NF 10 16V X7R C704 065G040210412K Y CAP 0402 100NF 10 16V X7R C705 065G040210412K Y CAP 0402 100NF 10 16V X7R C708 065G040210412K Y CAP 0402 100NF 10 16V X7R C712 065G040210412K Y CAP 0402 100NF 10 16V X7R C714 065G040210412K Y CAP 0402 100NF 10 16V X7R C750 065G04021041...

Page 56: ...6 065G040222415K T CAP CHIP 0402 220nF K 16V X5R C113 065G040222415K T CAP CHIP 0402 220nF K 16V X5R C423 065G040247031J Y CAP 0402 47PF 5 50V NP0 C424 065G040247031J Y CAP 0402 47PF 5 50V NP0 C608 065G040247131J Y 0402 470pF J 50V NP0 C609 065G040247131J Y 0402 470pF J 50V NP0 C110 065G040247312K Y CAP 0402 47NF 10 16V X7R C109 065G040247312K Y CAP 0402 47NF 10 16V X7R C108 065G040247312K Y CAP 0...

Page 57: ...1G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB404 071G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB409 071G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB408 071G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB405 071G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB406 071G 56K121 TA CHIP BEAD 120R 6000mA HCB2012KF 121T60 FB106 071G 59G301 EM CHIP BEAD 0603 300R 25 200m...

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