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Summary of Contents for AOC E2252VW
- Page 1 Service Manual AOCe2252VW LCD 显示器维修手册 Custom： Model： e2252VW 本手册适用于主板为 715G4502，Scalar IC NT68660 This manual applies to mainboard 715G4502，Scalar IC NT68660...
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Page 2: Revision List
Service Manual AOCe2252VW REVISION LIST Revision Editor Model Version Release Date TPV Model No History Jun-28-2011 Initial Release AOCe2252VW TIAAN22YAYA1HNJ TPV-BJ-Rainsun... -
Page 3: Table Of Contents
Service Manual AOCe2252VW CONTENTS 1. LCD Specifications ........................... 4 1.1 Product Features ..........................4 1.2 Factory preset modes ........................5 1.3 New Features ............................. 5 1.4. DVI+VGA Interface description ......................6 2. Operation instruction ..........................7 2.1 Connection ............................7 2.2 Control Buttons .......................... -
Page 4: Lcd Specifications
Service Manual AOCe2252VW 1. LCD Specifications 1.1 Product Features Monitor Model AOC e2252VW Driving system TFT Color LCD Active Display Area 476.64mm (W)×268.11mm(H) 546.86mm diagonal LCD Panel Pixel Pitch 0.24825 mm×0.24825mm R,G,B Analog Interface，75ohm,0.7V Video DVI digital Interface Input Separate Sync. -
Page 5: Factory Preset Modes
Service Manual AOCe2252VW 1.2 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 640×480 31.469kHz 59.94Hz 35.00kHz 66.67Hz 640×480 37.861kHz 72.80Hz 640×480 640 × 480 37.50kHz 75.00Hz 640 × 480 31.469kHz 70.087Hz DOS-mode 720 × 400 31.469kHz 70.087Hz Mac-mode 832 ×624 49.725kHz 74.50Hz 800 ×... -
Page 6: Dvi+Vga Interface Description
Service Manual AOCe2252VW 1.4. DVI+VGA Interface description VGA 15pin Connector Pin No. Description Pin No. Description Red Input +5VDC Green Input Logic GND Blue Input SDA- DDC-Serial Data Connection detect H Sync Red GND V Sync Green GND SCL- DDC-Serial Clock Blue GND VGA Connector layout DVI Connector... -
Page 7: Operation Instruction
Service Manual AOCe2252VW 2. Operation instruction 2.1 Connection The power cord should be connected. Connect the video cable from the video card of PC to the monitor. Press the power button to turn on the monitor, the power indicator will light up. ... -
Page 8: Osd User Mode Adjustment
Service Manual AOCe2252VW 2.3 OSD User mode adjustment a) OSD Menu adjustment steps: +/ - 1. Press MENU to activate OSD main menu, Touch button may select other Menu item.. +/ - 2. Press MENU button to select items of each main menu.Touch to move and select. - Page 9 Service Manual AOCe2252VW...
- Page 10 Service Manual AOCe2252VW...
- Page 11 Service Manual AOCe2252VW b) hotkey OSD Menu as shown below AUTO Source selection Screen switching Switch display mode...
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Page 12: Osd Locked
Service Manual AOCe2252VW 2.4 OSD Locked When press “ ” to switched on the monitor, while holding press the” menu” button, the menu will be locked. Again, the OSD menu is non-locked. -
Page 13: Panel Feature
Service Manual AOCe2252VW 3. Panel Feature This specification applies to the 21.5 inch-wide Color a-Si TFT-LCD Module M215HW01.The display supports the Full HD - 1920(H) x 1080(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). All input signals are 2-channel LVDS interface and this module doesn’t contain an driver board for backlight. -
Page 14: Electrical Characteristics
Service Manual AOCe2252VW 3.3 Electrical Characteristics LED array ELECTRICAL CHARACTERISTICS 3.4 TFT LCD Module Block Diagram... -
Page 15: Lcd Module Input Terminal Pin Assignment
Service Manual AOCe2252VW 3.5 LCD module input terminal pin assignment 3.6 LED Interface LED connector pin configuration CI1406M1HRB-NH on Backlight Unit... -
Page 16: Optical Specifications
Service Manual AOCe2252VW 3.7 Optical Specifications... -
Page 17: Block Diagram
Service Manual AOCe2252VW 4.Block Diagram 4.1 LCD Block Diagram Monitor Block Diagram LED-bar backlight Panel LVDS Converter Main Board 715G4502 AC-DC(5V/12V) Power Board PC- VGA PC- DVI Key board /DDC /DDC AC supply 90V-264V Input signal 4.2 MainBoard Block Diagram Crystal Panel Interface 14.318MHz... -
Page 18: Power Board Block Diagram
Service Manual AOCe2252VW 4.3 Power Board Block Diagram MMD 21.5" LIPS Block Diagram AC Input Input Filter Bridge Rectification EMI Filter Condenser 2A 800V Rectifier Diode 5V Output Flyback (1)10A/60V Transformer (2)10A/200V 16V Output Adapter IC Power MOS LD7750RGR 8A/700V Feedback Circuit BOOST LED Light bar... -
Page 19: Software Flow Chart
Service Manual AOCe2252VW 4.4 Software Flow Chart Start Software Flow Chart Initial_MCU To Write default values Check if DataBuffer Is blank Check if Sum is changed ? Brightness Contrast Read parameter_from Buffer Language InputType InputTimingStableCounter OsdCounter Init_GlobalVariables PowerDownCounter Initial_MCU Device while PowerHandler if standby mode? -
Page 20: Circuit Schematic
Service Manual AOCe2252VW 5. Circuit Schematic 5.1 Main Board 1-715G4502 04.SCALER 02.INPUT VCC3.3 VCC3.3 SOG_DET VCC1.8 SOG_DET SOG_DET VCC1.8 05.PANEL INTERFACE EDID_WP AHS0 EDID_WP AHS0 AHS0 AVS0 AVS0 AVS0 PA[0..9] DDCSDA1 DDCSDA1 DDCSDA1 PA[0..9] PA[0..9] DDCSCL1 DDCSCL1 DDCSCL1 VGA_CABLE_DET VGA_CABLE_DET VGA_CABLE_DET PB[0..9] 02.D-SUB INPUT... - Page 21 C114 100N 16V 100N 16V AZC399-04S AZC399-04S T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL e2252Vw Size G4502-M01-000-0040-1-110107 TPV MODEL 絬 隔 瓜 絪 腹 DUAL Key Component D-SUB I/O PCB NAME 715G4502-M01-000-0040 <称爹>...
- Page 22 Service Manual AOCe2252VW DVI input CN102 R127 DVI_CABLE_DET 5 JACK 100R 1/16W 5% DVI5V 3,5,7 VSY NC DET_DVI DVI5V SY NC GND SCL_DVI R128 100R 1/16W 5% D102 DDC SCL SDA_DVI R129 100R 1/16W 5% ESD_DVI BAV70 DDC SDA DVI5V R130 1K 1/16W 5% U104...
- Page 23 R725 NC/0 OHM +-5% 1/8W <Variant Name> T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e2252Vw G4502-M01-000-0040-1-110107 TPV MODEL 絬 隔 瓜 絪 腹 DUAL Key Component POWER PCB NAME 715G4502-M01-000-0040 With audio Add R711 = 0 ohm, R712 / R798 = 100 ohm <称爹>...
- Page 24 CABLE_DET ADC1 DVI_CABLE_DET DVI_CABLE_DET MCU-Scarlar NT68660 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL e2252Vw Size R423 絬 隔 瓜 絪 腹 G4502-M01-000-0040-1-110107 TPV MODEL DUAL 220K 1/16W 5% Key Component SCALER PCB NAME 715G4502-M0E-000-0040 <称爹>...
- Page 25 C435 C436 RXEC+ RXOC+ T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e2252Vw G4502-M01-000-0040-1-110107 TPV MODEL 絬 隔 瓜 絪 腹 DUAL Key Component LVDS PANEL I/O PCB NAME 715G4502-M01-000-0040 <称爹> 称爹 Friday , January 07, 2011...
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Page 26: Power Board 715G4750-P0C
Service Manual AOCe2252VW 5.2 Power Board 715G4750-P0C --adapter 16V/5V 4 7 O HM 1/4 W R9 01 C901 C924 BD901 D2SB80 R90 2 4 7 O HM 1/4 W 2N2 500V 2N2 500V FB901 R93 7 NC Coil T901 L902 POWER X'FMR BEAD R90 3... -
Page 27: Converter Board -715G3977-P0C
Service Manual AOCe2252VW 5.3 Converter Board -715G3977-P0C CN801 +14.5V D801 R813 L801 22uH SK310B 0R05 4A 1/4W C809 AOD4126 ON/OFF 33UF 100V U801 C803 Q806 470N 50V Q801 MP3389EF NC(P8008HV) C811 C810 Gate C807 33UF 100V VFAULT CONN R801 R805 GATE 300KOHM 1/10W COMP... -
Page 28: Key Board 715G4851K
(Power) T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 715G4851-K0C-000-0010 TPV MODEL 絬 隔 瓜 絪 腹 e2252Vw Key Component 2.0.key PCB NAME 715G4851-K0C-000-0010 <称爹> 称爹 Wednesday , February 16, 2011 Sheet Date... -
Page 29: Monitor Exploded View
Service Manual AOCe2252VW 6. Monitor exploded view... -
Page 30: Pcb Layout
Service Manual AOCe2252VW 7. PCB Layout 7.1 MainBoard 715G4502... - Page 31 Service Manual AOCe2252VW...
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Page 32: Powerboard 715G4750-P0C
Service Manual AOCe2252VW 7.2 PowerBoard 715G4750-P0C... -
Page 33: Converter Board 1-715G3977
Service Manual AOCe2252VW 7.3 Converter Board 1-715G3977... -
Page 34: Keyboard715G4851
Service Manual AOCe2252VW 7.4 KeyBoard715G4851... -
Page 35: Maintenance Trouble Treatment
Service Manual AOCe2252VW 8. Maintenance Trouble treatment 8.1 Maintainability Requirement Voltmeter. & digital multimeter Oscilloscope. Pattern Generator. DDC Tool with Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual. repair tools etc 8.2 Disassembly SOP appropriate tools Phillips screwdriver spacer screwdriver C/D Disassembly Tool Gloves or soft cloth... - Page 36 Service Manual AOCe2252VW Disassembly SOP 按下，分离支架 Separation Stand 后壳 Rear 拆卸螺钉×4 Remove screws...
- Page 37 Service Manual AOCe2252VW...
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Page 38: Trouble Shooting
Service Manual AOCe2252VW 8.3 Trouble Shooting Main Board--- No Power No power Check flow chart For the no power Press power key and look if the picture is normal Please reinsert and make sure the AC 100-240V is normal ? Reinsert or check the power section Check 5V-CN404, 3.3V-U404-2;... - Page 39 Service Manual AOCe2252VW No picture (LED orange) No picture Check flow chart for the no signal Check signal wire Replace signal wire Check U404 Vout=3.3V; Q409-out=1.8V replaceU404,Q409,Q410,Q405 &around device check X401 waveform replace X401 Check CN101-RGB/HS/VS Check Correspondent component Check U402/U403 out Updata soft data Replace U401 Whitescreen...
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Page 40: Power Board
Service Manual AOCe2252VW Power Board--- No Power 5V/12V Check flow chart Check CN901 100-240V？ For the no power Check AC supply Check rectified voltage-C907 checkFuseF901/ rectified device L902/BD901/C901/C902 Check voltage of IC901-8pin check component R904/R932 Check T901(1-3)out-Vcc Check D901/R909/C903 Check IC901-drive out Check/replace IC901 Check MOS-Q901pin(G/D) Check R910/R938/Q901/T901pri... - Page 41 Service Manual AOCe2252VW No Backlight of panel Check flow chart for the Check voltage of F801-12V？ Inverter No Backlight Open F801, voltage-12V Return check Power Check ON/OFFsignal After Power off,check Check main board C801/C802？Q824? Check IC801 -12pin=12V pinRT waveform? After Power off,check Q805/Q808/R804/C825 Check IC801-6pin RT waveform? Check aroud component...
- Page 42 Service Manual AOCe2252VW Key Board--- OSD no working Check flow chart OSD is unstable or not For the key board working Connect Key Pad Board Is Key Pad Board connecting normally? Is Button Switch normally? Replace Button Switch Is Key Pad Board normally? Replace Key Pad Board Check Main Board...
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Page 43: Software Update Step
Service Manual AOCe2252VW 8.4 Software update step Product information U402 056G2233501 FLASH MX25L2026DM1I-12G 2Mb SOP-8 SMTCR-U402 100GANAI002B11 e2252Vw_NT68660_AUO-M215HW01 U401 056G 562369 SCALER NT68660UFG/B TQFP-100 CBPCAN2A1J1 CONVERSION G4502-M01-000-0040-1-110212 Step1：Connection 1. Connect one end of the USB line cable to the PC, the other to connect the ISP tool（715GT089-B ） ； 2. - Page 44 Service Manual AOCe2252VW...
- Page 45 Service Manual AOCe2252VW Step3:Run 1.In the "Start" – ”program "in the writer icon , as shown, To Run TOOL 2.Click “Option”, “ “ FE2P Mode Enable” TOOL 默认为 √”, withhold HDCP KEY, The figuer is as follows...
- Page 46 Service Manual AOCe2252VW select “setup ISP tool”,---“FTDI”,”Confirm Change”,The figuer is as follows...
- Page 47 Service Manual AOCe2252VW 3.Click “Option”, select WP pin, The figuer is as follows...
- Page 48 Service Manual AOCe2252VW 4.Click“ISP ON”, Auto Detect Flash Type, “OK”; The figuer is as follows 5.Click “ ”, “Load File” Find software file, The figuer is as follows...
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Page 49: Re-Writing Ddc Program Step
Service Manual AOCe2252VW 6.Click“Auto”, Start Programming, until the successful ;The figuer is as follows 8.5 Re-Writing DDC program step After replacing the Main board and the Panel, Check if white-balance is within the specs ,then re-writing DDC is necessary. 1. Prepared the PC with Windows XP system, DDC recording device (12V)for figure below 2. - Page 50 Service Manual AOCe2252VW...
- Page 51 Service Manual AOCe2252VW...
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Page 52: Factory Mode Adjustment
Service Manual AOCe2252VW 8.6 Factory mode adjustment After replacing the Main board and the Panel, Check for enter the Factory mode ,then re-writing DDC is necessary. Step: In normal display mode, unplug the power cord to shut down。Then Press “MENU” button and hold, At the same time plug the power cord to turned on the Power , Then, click the menu button,the monitor will may enter Factory OSD Menu. - Page 53 Service Manual AOCe2252VW...
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Page 54: Bom List
Service Manual AOCe2252VW 9.BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. 9.1 Model：TIAAN22YAYA1HNJ Location Part number Description Remark 040G 58160811A GREEN DOT LABEL 040G 581689 4A BARCODE LABEL FOR 1 070GHDCP500HDC... - Page 55 Service Manual AOCe2252VW C716 067G 3051013PB EC 105C 100uF M 16V 5*11mm C710 067G 3051013PB EC 105C 100uF M 16V 5*11mm SMTCAN2A1J1 MAIN BOARD FOR SMT 040G 45762420A LABEL 25x6mm U703 056G 133 33AAC LDO AZ1117H-1.8TRE1 2nd source U703 056G 563243 IC LDO LSP1117E18AG SOT223 1A/1.8V U701 056G 563349...
- Page 56 Service Manual AOCe2252VW R434 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R439 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R703 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R106 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R108 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN...
- Page 57 Service Manual AOCe2252VW R702 061G0402472 JT RST CHIP 4K7 1/16W 5% TZAI YUAN R721 061G0402472 JT RST CHIP 4K7 1/16W 5% TZAI YUAN R120 061G0402750 JT RST 0402 75R 5% 1/16W R112 061G0402750 JT RST 0402 75R 5% 1/16W R107 061G0402750 JT RST 0402 75R 5% 1/16W R122...
- Page 58 Service Manual AOCe2252VW C429 065G040222415K CAP CHIP 0402 220nF K 16V X5R C116 065G040222415K CAP CHIP 0402 220nF K 16V X5R C101 065G040222415K CAP CHIP 0402 220nF K 16V X5R C110 065G040247312K CAP 0402 47NF 10% 16V X7R C108 065G040247312K CAP 0402 47NF 10% 16V X7R C107 065G040247312K...
- Page 59 STAND J34G8B98AED 1B6010 BASE J37G8B11 2 HINGE J40G 22N61511A ID LABEL e2252Vw J40G 58161543A Win7 EPEAT(S) EPA (12*58)LABEL J40G000361540A CEL CARTON LABEL e2252Vw J41G780061585N WARRANTY BOOKLET J41G78S1615 1A QSG e2252Vw J44G6002 S123 PAPER BOARD J44G6002 S152 paper plate J44G9003210 35...
- Page 60 Service Manual AOCe2252VW GND2 009G6005 1 GROUND TERMINAL 040G 45762412B CBPC LABEL IC902 056G 139 3A PC123Y22FZOF SHARP NR901 061G 58100 X NTCR 10R 20% 5W(10D2-14 MCS) 2nd source NR901 061G 58100MEW NTCR 10R 20% 4W C905 063G107K224 UM X2 CAP 0.22uF K 275VAC C905 063G107K2246S1 X2 CAP 0.22UF K 275VAC...
- Page 61 Service Manual AOCe2252VW Q901 057G 667941 MOSFET P0765ATF 7 650 TO-220F 0M1G 930 6120 screw J90G0195 3 HEAT SINK 705GQA93507 D903 ASS'Y 051G 200 1 OIL FOR DISAPPEAR D903 093G 60278 SCHOTTKY SP1060 10A 60V ITO-220AB D903 093G 60507 SCHOTTKY SRF1060 C0 10A 60V ITO-220AB 2nd source D903 093G 60526...
- Page 62 Service Manual AOCe2252VW 705GQA57948 Q901 ASS'Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 667923 MOSFET SMK0765F 7A 650V TO-220FP 2nd source Q901 057G 667941 MOSFET P0765ATF 7 650 TO-220F 0M1G 930 6120 screw J90G0195 3 HEAT SINK 705GQA93507 D903 ASS'Y 051G 200 1 OIL FOR DISAPPEAR D903...
- Page 63 Service Manual AOCe2252VW R803 061G06032402FF RST CHIPR 24KOHM 1/10W FENGHUA R803 061G06032402FY RST CHIPR 24KOHM +-1% 1/10W YAGEO 2nd source R819 061G06033602FF RST CHIPR 36KOHM +-1% 1/10W FENGHUA 2nd source R819 061G06033602FY RST CHIPR 36KOHM 1/10W YAGEO R809 061G06034701FF RST CHIPR 4.7KOHM +-1% 1/10W 2nd source R809 061G06034701FT...
- Page 64 Service Manual AOCe2252VW IC901 056G 379190 AC/DC CONVERTER LD7750RGR SOP-7 R939 061G0805000 JI RST 0805 MAX0.05R 5% 1/8W TA-I 2nd source R940 061G0805000 JI RST 0805 MAX0.05R 5% 1/8W TA-I 2nd source R939 061G0805000 JT RST 0805 0.05R MAX 1/8W R940 061G0805000 JT RST 0805 0.05R MAX 1/8W...
- Page 65 Service Manual AOCe2252VW R914 061G1206470 JT RST CHIPR 47 OHM +-5% 1/4W TZAI YUAN R913 061G1206470 JT RST CHIPR 47 OHM +-5% 1/4W TZAI YUAN R902 061G1206470 JT RST CHIPR 47 OHM +-5% 1/4W TZAI YUAN R901 061G1206470 JT RST CHIPR 47 OHM +-5% 1/4W TZAI YUAN R905 061G1206682 JF RST CHIPR 6.8KOHM +-5% 1/4W FENGHUA...
- Page 66 Service Manual AOCe2252VW R932 061G152M68152T SY RST MOF 680R 5% 2WS R935 061G152M68152T SY RST MOF 680R 5% 2WS C931 065G 1K471 2T 470pF 1KV Z5P +-10% C906 065G 2K152 2T6213 CAP CER 1.5NF 10% 2KV Y5P 2nd source C906 065G 2K152 2T6921 CAP CER 1500pF K 2KV Y5P FB901...
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Questions and answers
HOW DO I MAKE THE MONITOR BRIGHTER?
To increase the brightness on the AOC E2252VW monitor:
1. Press the "Menu" button to open the main menu.
2. Use the arrow buttons to navigate to the "Brightness" option.
3. Press the "Menu" button again to select it.
4. Use the arrow buttons to increase the brightness level.
5. Press "Menu" to confirm or let it time out to save the setting.
This answer is automatically generated