Envision P2271WL Service Manual Download Page 5

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2. LCD Monitor Description

The LCD monitor will contain a main board, an Adapter board, a converter board and a key board which house the

flat panel control logic, brightness 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.

AC-IN

100V-240

Monitor Block Diagram

Adapter board

Flat Panel and backlight

Main Board

RS232 Connector

For white balance

adjustment in factory

mode

Video signal, DDC

Key Board

Host Computer

Converter board

Summary of Contents for P2271WL

Page 1: ...ion Instruction 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 OSD Menu 7 4 Input Output Specification 11 4 1 Input Signal Connector 11 4 2 Factory Preset Display Modes 12 4 3 Panel Specification 13 5 Block Diagram 16 5 1 Main Board 16 5 2 Power Board 17 6 Schematic 18 6 1 Main Board 18 6 2 Adapter Board 22 6 3 Converter Board 23 6 4 Key Board 25 7 PCB Layout 26 7 1 Main Board 26 7 2 Adapte...

Page 2: ...elease Date Revision History TPV Model Name A00 Apr 07 2011 Initial release TI92A82BW6E1HN A01 Dec 12 2011 Add new power board 715G4219P02000004S Update Block Diagram Schematic PCB Layout BOM List TIAGA82MW6E1HN TIAGA82BW6E1HN ...

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

Page 4: ...t preset resolution 1920 x 1080 60 Hz Plug Play VESA DDC2B CI Input Connector D Sub 15pin DVI D Input Video Signal Analog 0 7Vp p standard 75 OHM Positive DVI D Digital Interface TMDS Power Source 100 240VAC 50 60Hz Power Consumption Active 28W Standby 1W Physical Characteristics Connector Type 15 pin Mini D Sub DVI D Signal Cable Type Detachable Dimensions Weight Height with base 365 80mm Width 5...

Page 5: ... brightness 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 AC IN 100V 240 Monitor Block Diagram Adapter board Flat Panel and backlight Main Board RS232 Connector For white balance adjustment in factory mode Video signal DDC Key Board Host Computer Converter board ...

Page 6: ...ocated at front panel of the monitor See Figure By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Press the power button to turn on the monitor The power indicator will light up 3 2 Control Buttons 1 Auto Source Exit 2 Eco mode DCR 3 4 3 or wide 4 Menu Enter 5 Power ...

Page 7: ...old the Menu button while the monitor is off and then press power button to turn the monitor on Eco Mode and DCR hot key 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 4 3 or wide image ratio hot key When there is no OSD press continuously to change 4 3 or wide image ratio If the product screen...

Page 8: ...8 Function Control Illustration ...

Page 9: ...9 ...

Page 10: ...10 ...

Page 11: ... sync 15 DDC Serial clock DVI connector Pin No Signal Name Pin No Signal Name Pin Signal Name 1 TMDS Data 2 9 TMDS Data 1 17 TMDS Data 0 2 TMDS Data 2 10 TMDS Data 1 18 TMDS Data 0 3 TMDS Data 2 4 Shield 11 TMDS Data 1 3 Shield 19 TMDS Data 0 5 Shield 4 TMDS Data 4 12 TMDS Data 3 20 TMDS Data 5 5 TMDS Data 4 13 TMDS Data 3 21 TMDS Data 5 6 DDC Clock 14 5V Power 22 TMDS Clock Shield 7 DDC Data 15 G...

Page 12: ...12 4 2 Factory Preset Display Modes ...

Page 13: ...res The M215H1 L01 model is a 21 5 inch wide TFT LCD module with LED Backlight Unit and a 30 pin 2ch LVDS interface This module supports 1920 x 1080 Full HD 16 9 wide screen mode and displays up to 16 7 millions colors 4 3 2 Display Characteristics ...

Page 14: ...14 4 3 3 Electrical Characteristics 1 TFT LCD Ta 25 2 ºC 2 Backlight ...

Page 15: ...15 4 3 4 Optical Characteristics ...

Page 16: ...ck Diagram 5 1 Main Board 14 31818MHZ X401 FLASH ROM EN25F20 U402 Scalar IC TSUMU58NWHL LF 1 Include ADC OSD MCU U401 Panel Interface CN301 Key Control Interface CN402 D Sub Connector CN101 DVI Connector CN102 ...

Page 17: ... PWM Control IC901 Transformer AC input 14 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Photo coupler IC902 Over Voltage Protect Setup up Controller OZ9954SN U801 12V DIM ENA Current Feedback OVP Circuit Boost Circuit LED panel CN802 CN803 ZD801 PWM Control TA9690GN IC801 12V MOSFET Q801 DIM ENA L801 LED CN803 ...

Page 18: ...A_R FB110 300 OHM R135 10K 1 16W 5 RXCN H_Sy nc RX2P 5 VGA_B C109 5pF 50V RX0P VGA_G R136 10K1 16W RXCP R108 75R 1 16W 5 VGA_R VCC3 3 DSUB_5V C121 1000pF C107 1000pF ESD_VCC1 VGA_G C124 0 1uF 16V VGA_B DGND RX1P 5 RX2N C115 0 1uF 16V U103 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 CN102 JACK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 25 DAT2 DAT2 2 4shield DAT4 DAT4 ...

Page 19: ...LVA3P Q302 LMBT3904LT1G RXE0 LVB3M PB2 R302 220 OHM 1 4W 1 B 3 5 Tuesday October 27 2009 称爹 3 0 OUTPUT G3329 1 2 X 21 091027 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 LVB1P PB7 LVA2M LVA0M LVB1P RXO3 LVB3P C304 0 1uF 16V RXO2 LVA1P C305 100UF25V RXO2 LVA3P LVACKM RXO0 RXOC RXO3 PA7 LVBCKP CMVCC1 LVA0P R304 22K 1 16W 5 LVACKP...

Page 20: ... 3 on_BACKLIGHT 5 BKLT EN U703 3 2 1 VI VO GND VCC3 3 R703 10K 1 16W 5 BKLT VBRI C704 100UF25V R706 100R 1 16W 5 CMVCC1 BKLT VBRI BKLT EN Volume 5 C708 0 1uF 16V U701 3 2 1 VIN VOUT GND PANEL_ID 5 CMVCC1 R704 22K 1 16W 5 Mute 5 BKLT VBRI C701 0 1uF 16V CN701 CONN 1 2 3 4 5 6 7 8 9 Volume U704 NC AP1117E18LA 3 2 1 4 VI VO GND 4 CMVCC1 2 3 CN702 NC 1 2 3 4 5 6 R705 1K 1 16W 5 adj_BACKLIGHT 5 CMVCC1 ...

Page 21: ...KP RXCKN GND GND GND AVDD_33 VDDP MODE NC VCTRL VDDC DDCA_SDA RS232_TX DDCA_SCL rs232_RX DDCD_SDA DDCD_SCL PWM0 GPIO_P26 AVDD_33 VDDP GPIO_P15 PWM0 GPIO_P27 PWM1 GPIO_P12 GPIO_P00 SAR1 GPIO_P01 SAR2 GPIO_P02 SAR3 GPIO_P06 GPIO_P07 GPIO_P13 GPIO_P14 GPIO_P16 PWM2 GPIO_P11 I2C_MDA GPIO_P10 I2C_MCL RST GPIO_P23 GPIO_P22 AVDD_33 AVDD_33 VDDP VDDP VDDC VDDC VDDC GND GND GND GND GND BYPASS GPIO_P17 SAR0...

Page 22: ...3 R927 0R05 4A 1 4W HS1 HEAT SINK IC901 1 2 CN902 Wire Harness 1 2 3 4 5 6 7 8 9 C911 2N2 500V C905 100nF 50V C910 2N2 500V C908 47uF 50V C917 100N 50V GND3 GND 1 2 D902 FR107 GND2 GND 1 2 GND1 GND 1 2 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 1 Custom Friday December 25 2009 ODM MODEL 02 POWER G3189 PO1 LED X 6 091112 17 4V...

Page 23: ...pril 23 2010 ODM MODEL 02 CONVERTER C807 2U2 16V C804 10nF 25V L801 22uH C808 100PF 50V R820 0R05 1 4W R805 10K 1 10W R803 10R 1 8W 5 CN802 CONN 1 2 R808 10K 1 10W Q803 SST2907A R809 10K 1 10W R802 100K 1 10W R811 0R01 1 10W C802 100uF 50V R814 5 1K 1 8W R815 2 2OHM 1 10W R816 5 1 1 1 10W R807 10K 1 10W C809 10nF 25V C806 10nF 25V Q801 RK7002FD5T116 D G S 12V D801 NC CN801 CONN 1 2 3 4 5 6 7 8 9 1...

Page 24: ...F 100V R806 10K 1 10W 5 R812 100 OHM 5 1 10W C805 0 47uF 16V R810 1K 1 10W 5 R808 NC C812 N C R848 N C C807 2 2UF 1 2 ZD801 B3100B L801 47UH P2271WL R809 100K 1 10W 5 C806 2U2 25V R805 120KOHM 1 10W OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 1 A2 Monday December 13 2010 ODM MODEL CONVERTER FOR LGD R802 0 3 OHM R801 0 3 OHM VO...

Page 25: ...1 2 3 4 5 6 7 8 BLUE ORANGE LED003 LED 3 2 1 T01 Menu C005 100N 16V LED_Vcc T04 LED_Blue VCC I2C_SCL T03 R014 4 7K 1 10W Button_5 R002 560R 1 10W 5 Q001 LMBT3904LT1G ZD002 NC UDZSNP5 6B 1 2 Auto Button_4 U001 CY8C20180 LDX2I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GP0 0 GP0 1 I2C SCL I2C SDA GP1 0 GP1 1 VSS GP1 2 GP1 3 GP1 4 XRES GP0 2 VDD GP0 3 CSInt GP0 4 VCC Buttons C003 100N 16V Menu BLUE ORANG...

Page 26: ...26 7 PCB Layout 7 1 Main Board 715G3329 1 2 ...

Page 27: ...27 ...

Page 28: ...28 ...

Page 29: ...29 7 2 Adapter Board 715G3189P02LED001S ...

Page 30: ...30 ...

Page 31: ...31 ...

Page 32: ...32 7 3Converter Board 715G3649P01000004L ...

Page 33: ...33 715G4219P02000004S 7 4 Key Board 715G3706K02000004L ...

Page 34: ...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 35: ...ned 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 NG Turn on the Power On Off switch Replace key board and check connections NG ...

Page 36: ...s the power button is OK Check the LVDS FFC cable or panel 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 board NG OK Replace the main board and connection OK ...

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 in the user mode Replace the main board Replace the panel NG NG NG OK NG NG OK The end OK NG ...

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 settings until customer satisfy Replace the main board NG OK NG OK NG ...

Page 39: ...witch 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 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 w...

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

Page 42: ...OARD 9 MAIN BOARD 10 N A 11 MAIN_FRAME 12 REAR COVER 215W 13 HINGE ASS Y 14 COVER STAND No Part No Description 16 STAND 6 0G1G1030 6120 SCREW FOR PB MB MAIN_FRAME 17 BASE TSS1 7 0M1G1730 6120 SCREW FOR CONVERTER BOARD MAIN_FRAME 18 CONVERTER BOARD 15 AM1G1740 10225 CR3 SCREW FOR COVER STAND HINGE ASS Y ...

Page 43: ... HARNESS 10P 10P 300MM FQE90742I 0G1G1030 6120 SCREW 0M1G1730 6120 SCREW 42 D020523 708GBF16XWP ENVISION 40 2040 050G 600 1 W WHITE STRAP 1G004991 Q45G 77 4 PE FILM Q50G 4 10 TIE Y1900221 Q52G 1185110 BIG TAPE FOR ENVISION 750GLV215HL111N000 PANEL TPM215HW01 H1L01 C1A FQ TPV 756GQ9CB E1002 00 MAIN BOARD CBPC9A8E1Q1 SMTC9 U402 100GAMVI002YT1 MCU ASS Y 056G1133129 A15G0842901501 MAIN_FRAME A34G1404A...

Page 44: ...EC LOW ESR 100UF M 25V 6 3 11MM C707 067G 3151014KB EC LOW ESR 100UF M 25V 6 3 11MM U107 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U106 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U103 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U104 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U105 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U402 056G1133129 IC EN25F20 100GCP 2MB SOP 8 Q407 057G 417517 TRA LMBT3906LT...

Page 45: ...16W R418 061G0402000 JI RST 0402 0 05R MAX 1 16W R423 061G0402000 JI RST 0402 0 05R MAX 1 16W R452 061G0402000 JI RST 0402 0 05R MAX 1 16W R453 061G0402000 JI RST 0402 0 05R MAX 1 16W R453 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R452 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R423 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R418 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN ...

Page 46: ...T CHIP 100R 1 16W 5 TZAI YUAN R118 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R119 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R409 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R415 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R416 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R417 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R428 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN R706 0...

Page 47: ...UAN R107 061G0402222 JI TEST ONLY RST 0402 2 2K 5 1 16W TA I R106 061G0402222 JI TEST ONLY RST 0402 2 2K 5 1 16W TA I R106 061G0402222 JT RST CHIP 2K2 1 16W 5 TZAI YUAN R107 061G0402222 JT RST CHIP 2K2 1 16W 5 TZAI YUAN R704 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN R406 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN R304 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN R117 061G0402470 JI RST 040...

Page 48: ...21 JI RST 1206 220R 5 1 4W R302 061G1206221 JT RST CHIPR 220 OHM 5 1 4W TZAI YUAN R301 061G1206221 JT RST CHIPR 220 OHM 5 1 4W TZAI YUAN C121 065G040210232K A CAP 0402 1NF 10 50V X7R C122 065G040210232K A CAP 0402 1NF 10 50V X7R C107 065G040210232K A CAP 0402 1NF 10 50V X7R C409 065G040210412K A CAP CHIP 0402 100NF K 16V X7R C410 065G040210412K A CAP CHIP 0402 100NF K 16V X7R C411 065G040210412K A...

Page 49: ...14 065G040247312K A CAP 0402 47NF 10 16V X7R C111 065G040247312K A CAP 0402 47NF 10 16V X7R C102 065G040247312K A CAP 0402 47NF 10 16V X7R C106 065G040247312K A CAP 0402 47NF 10 16V X7R C108 065G040247312K A CAP 0402 47NF 10 16V X7R C110 065G040247312K A CAP 0402 47NF 10 16V X7R C113 065G040250931J A CAP 0402 5PF J 50 NPO C109 065G040250931J A CAP 0402 5PF J 50 NPO C105 065G040250931J A CAP 0402 5...

Page 50: ...8C20180 LDX2I QFN 16 COL U001 056G 669 10 TOUCH KEY CG7246AMT QFN 16 COL R006 061G0603221 JY RST 0603 220R 5 1 10W R008 061G0603221 JY RST 0603 220R 5 1 10W R010 061G0603221 JY RST 0603 220R 5 1 10W R011 061G0603331 JY RST CHIPR 330 OHM 5 1 10W YAGEO R009 061G0603331 JY RST CHIPR 330 OHM 5 1 10W YAGEO R007 061G0603331 JY RST CHIPR 330 OHM 5 1 10W YAGEO C002 065G060310605M Y CAP CHIP 0603 10UF 6 3V...

Page 51: ...G080510322K Y NO SUGGEST 0805 10NF K 25V X7R C806 065G080510322K Y NO SUGGEST 0805 10NF K 25V X7R C804 065G080510322K Y NO SUGGEST 0805 10NF K 25V X7R C801 065G080510422K Y CAP CHIP 0805 100N 25V X7R 10 ZD801 093G 60S 31 T SCHOTTKY B360B 3A 60V SMB Q801 057G 759 2 RK7002FD5T116 SOT 23 BY ROHM Q801 057G 763511 MOSFET SRK7002LT1G SOT 23 LRC Q802 057G 763947 MOSFET APM8005KCTRG SOP 8 R811 061G0603000...

Page 52: ...15S4713LV LOW ESR EC 470UF 16V M 10 12 5MM L901 073G 174 65 H2 LINE FILTER 30MH MIN L901 073G 174 65 S2 LINE FILTER 30MH MIN L902 073G 253 91 H IND CHOKE 3 5UH 10 DADONG L903 073G 253 91 H IND CHOKE 3 5UH 10 DADONG L902 073G 253 91 HP CHOKE COIL 3 5UH VOC L903 073G 253 91 HP CHOKE COIL 3 5UH VOC T901 080GL19P 1 H X FMR 1 1MH 10 20UH MAX BCK 12510 HA T901 080GL19P 1 L POWER X FMR 1 1MH 10 PT 011204...

Page 53: ...58202FT RST CHIPR 82K 1 1 8W TZAI YUAN R927 061G12060004JY RST CHIPR MAX0R05 4A 1 4W YAGEO R910 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R910 061G1206101 JY RST CHIPR 100R 5 1 4W YAGEO R923 061G1206103 JY RST CHIPR 10K 5 1 4W YAGEO R926 061G1206229 JY RST 1206 2 2R 5 1 4W R909 061G1206300 JF RST CHIPR 30 OHM 5 1 4W FENGHUA R908 061G1206300 JF RST CHIPR 30 OHM 5 1 4W FENGHUA R907 061G12063...

Page 54: ...R C911 065G1206222B2K M CAP 1206 2 2NF 10 630V X7R C919 065G1206222B2K M CAP 1206 2 2NF 10 630V X7R C920 065G1206222B2K M CAP 1206 2 2NF 10 630V X7R CN901 006G 31500 EYELET IC903 056G 158 12 SHUNT REGULATOR KIA431A AT P TO 92 Q901 057G 530503 T 2SD1207T Q901 057G 761 16 TRA KTD1028 KEC R919 061G152M10452T NO SUGGEST RST MOFR 100KOHM 5 2WS R918 061G152M25152T RST MOFR 250 OHM 5 2WS C906 065G 2K152 ...

Page 55: ...PT 705GQ956024 IC901 ASS Y IC901 056G 581 20 IC TOP255EN ESIP 7C 0M1G1730 8120 SCREW 3X8 Q11G0026 1 CABLE CLIP HS1 Q90G6263 6 HEAT SINK 705GQ934219 STAND BASE ASS Y A34G1405AED 1B0100 COVER STAND A34G1406AED 1B0100 STAND A34G1407AED 1B0130 BASE TSS1 M037 A37G0127 1 HINGE ASS Y AM1G1740 10225 CR3 SCREW Q12G6600 6 FOOT M037 SA37G01271 HINGE ASS Y 015F0127010 BRACKET 015F0127020 BRACKET 004F0610051 0...

Page 56: ...00 OHM 5 1 10W YAGEO R810 061G0603102 JT RST CHIP 1K 1 10W 5 TZAI YUAN R810 061G0603102 JY RST CHIPR 1KOHM 5 1 10W YAGEO R806 061G0603103 JT RST CHIP 10K 1 10W 5 TZAI YUAN R813 061G0603103 JT RST CHIP 10K 1 10W 5 TZAI YUAN R813 061G0603103 JY RST CHIPR 10KOHM 5 1 10W YAGEO R806 061G0603103 JY RST CHIPR 10KOHM 5 1 10W YAGEO R809 061G0603104 JT RST CHIP 100K 1 10W 5 TZAI YUAN R809 061G0603104 JY RST...

Page 57: ...805 0 1UF K 50V X7R C806 065G080522522K Y NO SUGGEST CAP 0805 2 2UF 10 25V X7R C807 065G080522525K T CAP CHIP 0805 2 2UF K 25V X5R ZD801 093G 60S907 T SCHOTTKY B3100B 3A 100V SMB ZD801 093G 60S932 T SCHOTTKY SK310B R4 3A 100V DO 214AA CN803 311GF100C06ADH FFC CONN 1 0MM 6P E715 715G4219P02000004S CONVERTER BOARD PCB R855 061G0603000 JF RST CHIPR MAX 0R05 1 10W FENGHUA R854 061G0603000 JF RST CHIPR...

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