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Summary of Contents for AOC AT2241S
- Page 1 Service Manual AT2241S LCD 显示器维修手册 Custom： Model： AT2241S...
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Page 2: Revision List
Service Manual AT2241S REVISION LIST Version Release Date Revision History Model TPV Model No Jun-30-2010 Initial Release AT2241S TC9GNTNYWVA2H4J... -
Page 3: Table Of Contents
Service Manual AT2241S CONTENTS 1. LCD Specifications -------------------------------------------------------------------------------------------------------- 4 1.1 Product Features --------------------------------------------------------------------------------------------------------- 4 1.2 Factory Preset Timing -------------------------------------------------------------------------------------------------- 5 2. Operation Instruction ----------------------------------------------------------------------------------------------------- 6 2.1 Control Button ------------------------------------------------------------------------------------------------------------ 6 2.2 OSD Menu Adjusting ---------------------------------------------------------------------------------------------------- 7 2.3 OSD Lock Function ------------------------------------------------------------------------------------------------------ 7 3. -
Page 4: Lcd Specifications
Service Manual AT2241S 1. LCD Specifications 1.1 Product Features Monitor Model AOC AT2241S 4in1package Driving system TFT Color LCD 558.67mm（21.995inch） diagpnal Active Display Area 473.76mm (W)×296.15mm(H) LCD Panel Pixel Pitch 0.282 mm×0.282mm Display Colors 16.7M Colors Max. Resolution 1680 x 1050@60Hz R,G,B Analog Interface，75ohm,0.7V... -
Page 5: Factory Preset Timing
Service Manual AT2241S 1.2 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 640 × 480 35.00kHz 66.667Hz DOS-mode 720 × 400 31.469kHz 70.087Hz Mac-mode 832 ×624 49.725kHz 74.55Hz 640×480 31.469kHz 59.94Hz 640×480 37.861kHz 72.80Hz 640 × 480 37.50kHz 75.00Hz 800 ×... -
Page 6: Operation Instruction
Service Manual AT2241S 2. Operation instruction Generalization Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. -
Page 7: Osd Menu Adjusting
Service Manual AT2241S 2.2 OSD User mode adjustment a) OSD Menu adjustment steps: 1.Press MENU button to display OSD main menu of as below, Press Left button or Right button may select other main Menu. 2. Press MENU button to adjust items of each main menu. -
Page 8: Interface Description
Service Manual AT2241S 3.Interface description 3.1 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... -
Page 9: Usb Interface
Service Manual AT2241S 3.3 USB(up+down) port Bottom View Top View... -
Page 10: Panel Feature
Service Manual AT2241S 4. Panel Feature The Panel-LM220WE1-TLP1 is a 22 inch wide TFT-LCD module with an intergral CCFL Backlght unit and a 30-pin 2ch –LVDS interface . This module supports 1680×1050 WSXGA+ resolution. and displays up to 16.7 millions colors.The converter module for the Backlight Unit is not built in. -
Page 11: Optical Characteristics
Service Manual AT2241S b) Backlight unit 4.4 Optical Specifications... -
Page 12: Tft Lcd Module Block Diagram
Service Manual AT2241S 4.5 TFT LCD Module Block Diagram 4.6 LCD module input terminal pin assignment Connector diagram... -
Page 13: Block Diagram
Service Manual AT2241S 5.Block Diagram 5.1 LCD Block Diagram Monitor Block Diagram 2 CCFL backlight Panel LVDS Memory DC-AC inverter Main Board AC-DC(5V/12V) Power Board PC- VGA PC- DVI Key board /DDC /DDC AC supply USB cable 90V-264V From PC Input signal 5.2 MainBoard Block Diagram---715G3737... -
Page 14: Power Board Block Diagram
Service Manual AT2241S 5.3 Power Board Block Diagram Power/ Board Block Diagram inverter Fuse Smoothing Rectifier Transformer Capacitor T901 Rectifier C907 AC input 100-240V Rectifier IC-PWM IC901 Q901 Rectifier Sense resistor Power part regulating PhotoCoupler Sampling Switching MOS DC-AC Resonance NET... -
Page 15: Lcd Software Flow Chart
Service Manual AT2241S 5.4 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... -
Page 16: Circuit Schematic
Service Manual AT2241S 6. Circuit Schematic 6.1 Main Board 1---715G3737-M01 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]... - Page 17 Service Manual AT2241S Input part---VGA+DDC CN101 DET_VGA R102 100R 1/16W 5% VGA_CABLE_DET VGA_CABLE_DET 5 DB15 VGA_5V DDCSCL1 R101 DDCSCL_A DDCSCL1 100R 1/16W 5% VGA_5V VSIN0 BIN0- HSIN0 BIN0 R103 R104 R105 C102 GIN0- ZD101 BIN0 0R05 1/16W 0R05 1/16W 100R 1/16W 5%...
- Page 18 Service Manual AT2241S DVI-input+DDC R127 DVI_CABLE_DET 5 100R 1/16W 5% DVI5V CN102 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 10K 1/16W 5%...
- Page 19 Service Manual AT2241S Power part---5V+3.3V+1.8V+Vlcd VCC3.3 U701 AP2114H-3.3TRG1 FB701 3,4,5 VCC3.3 5 VCC3.3 0 OHM +-5% 1/8W C703 C704 100NF 25V C702 100NF 25V C701 R702 100uF16V 4K7 1/16W 5% 100NF 25V +5V 3,4,5 CN701 R703 100R 1/16W 5% Adj_BACKLIGHT 5 C706 VCC3.3...
- Page 20 Service Manual AT2241S Scarlar---Flash+key VCC1.8 FB401 CVDD 300OHM CN401 PB[0..9] PB[0..9] LVB3P R402 NC/2K2 1/16W 5% LVB3M R403 NC/2K2 1/16W 5% C401 C402 C403 LVBCKP VCC3.3 LVBCKM 100NF 25V 100NF 25V 100NF 25V LVB2P LVB2M LVB1P LVB1M FB402 LVB0P NC/CONN...
- Page 21 Service Manual AT2241S Output---LVDS connector PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P CN408 LVA3P LVB3M CONN LVA3M LVBCKP LVB0M RXO0- LVACKP LVBCKM LVB0P RXO0+ LVACKM LVB2P LVB1M RXO1- LVA2P LVB2M LVB1P RXO1+ LVA2M LVB1P LVB2M RXO2- LVA1P LVB1M LVB2P RXO2+ LVA1M LVB0P...
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Page 22: Power Board
Service Manual AT2241S 6.2 Power Board 715G2892-P02-016--adapter 12V/5V R929 100 OHM 1/4W BD901 C916 L905 KBP208G R930 100 OHM 1/4W 0.001uF Coil +16V R903 100 OHM 1/4W ZD901 1000uF 25V Q904 MTZJ T-72 22B C918 KTD1028 D901 R905 FMX-12SL 0R05 1/10W 5%... -
Page 23: Invweter Part
Service Manual AT2241S 6.3 Inverter part---- R817 +16V 2R2 1/8W 5% Q805 ZD802 ON/OFF RLZ5.6B ZD803 G1 D1 RLZ5.6B R816 2R2 1/8W 5% R802 +5Vi CN801 R803 R804 PT801 CONN AO4620 5K1 1/8W 5% 5K1 1/8W 5% POWER X'FMR C819... -
Page 24: Key Board
Service Manual AT2241S 6.4 Key Board 715G4007-K01 ------Just for your reference. -
Page 25: Monitor Exploded View
Service Manual AT2241S 7.Explore Views... - Page 26 Service Manual AOC2241V Institutions dismantling plan...
- Page 27 Service Manual AOC2241V...
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Page 28: Pcb Layout
Service Manual AT2241S 8. PCB Layout 8.1 MainBoard 1- 715G3737-M01... - Page 29 Service Manual AT2241S...
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Page 30: Power Board
Service Manual AT2241S 8.2 PowerBoard 715G2892-P1B... -
Page 31: Keyboard
Service Manual AT2241S 8.3 KeyBoard ---715G4007... -
Page 32: Maintainability
Service Manual AT2241S 9. Maintenance Trouble treatment 9.1 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 9.2 Trouble Shooting Main Board---No Power... - Page 33 Service Manual AT2241S No picture (LED orange) No picture Check flow chart for the no signal Check signal wire Replace signal wire Check U701 Vout=3.3V; U703-out=1.8V,Vlcd=5V replaceU703,Q705,Q706, &around device check X401 waveform replace X401 Check CN101-RGB/HS/VS Check Correspondent component Check U402/U403 out...
- Page 34 Service Manual AT2241S 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 R908/R932 Check T901(1-3)out-Vcc Check D904/R913/C913 Check IC901-drive out...
- Page 35 Service Manual AT2241S No Backlight of panel Check flow chart for the Check 16V voltage？ Inverter No Backlight Open F801, voltage-16V Return check Power Check ON/OFFsignal After Power off,check Check main board C801/C802 ZD803 ZD804? Q805 Q806 Check IC801 -11pin=5V...
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Page 36: Factory Mode Osd
Service Manual AT2241S 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? -
Page 37: Ddc Re-Wirting Step
Service Manual AT2241S By select this “F” button to enter Factory OSD Menu. 9.4 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 38 Service Manual AT2241S...
- Page 39 Service Manual AT2241S...
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Page 40: Roft Re-Wirting Step
Service Manual AT2241S 9.5 Writing IC Roft program step IC： NT68668 Step1：Connection 1. Connect one end of the print line PC, the print line to connect the other end of ISP programming card（715GT034-B） ； 2. Will be burning machine to connect ISP D-SUB；... - Page 41 Service Manual AT2241S Step3：Run After installation is complete,Run EasyUSB Eriter-V4.55，for figure as follows 1. Click “ISP ON”, Check the computer and monitor communications,OK; 2 Click “Option”,Tick “FE2P Mode Enable”, For the protection of HDCP key; adjust to speed; 3. Click “Option”,---Setup ISP tool, The figure appears as follows,select “LPT Port,...
- Page 42 Service Manual AT2241S 4. Click "Load File" to choose the right software, as shown below:...
- Page 43 Service Manual AT2241S 5. Click the "AUTO", automatic programming. The figure appears as follow, OK,...
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Page 44: Bom List
Service Manual AT2241S 10.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. 10.1 Model：TC9GNTNYWVA2H4J Location Part number Description Remark 040G 58160811A GREEN DOT LABEL... - Page 45 Service Manual AT2241S C705 067G 3151014KB EC 100uF M 25V 6.3*11 C702 067G 3151014KB EC 100uF M 25V 6.3*11 C433 067G 3151014KB EC 100uF M 25V 6.3*11 C710 067G 3151014KB EC 100uF M 25V 6.3*11 SMTC9NTA1QYJ MAIN BOARD FOR SMT...
- Page 46 Service Manual AT2241S R140 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R139 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R138 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R137 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN...
- Page 47 Service Manual AT2241S R799 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA 2nd source R130 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN 2nd source R429 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R444 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN...
- Page 48 Service Manual AT2241S R132 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA 2nd source R131 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA 2nd source R115 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA 2nd source R114 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA...
- Page 49 Service Manual AT2241S C402 065G040210425K CAP CHIP 0402 100N 25V X5R +/-10% 2nd source C401 065G040210425K CAP CHIP 0402 100N 25V X5R +/-10% 2nd source C119 065G040210425K CAP CHIP 0402 100N 25V X5R +/-10% 2nd source C118 065G040210425K CAP CHIP 0402 100N 25V X5R +/-10%...
- Page 50 Service Manual AT2241S C182 065G040222031J CAP CHIP 0402 22PF 50V NPO C426 065G040222031J CAP CHIP 0402 22P 50V NPO +/-5% C428 065G040222031J CAP CHIP 0402 22P 50V NPO +/-5% C718 065G040222415K CAP CHIP 0402 0.22UF K 16V X5R 2nd source...
- Page 51 J37G8B05 1 hinge J40G 22N615 9A ID LABEL 2241V J40G POP61524A USB LABEL N941S J40G000361514A Win7 EPEAT(S) EPA LABEL CEL CARTON LABEL AT2241S 2 级 4 合 1 J40G000361527B J41G2241615 2A MANUAL AT2241S J41G780061585K WARRANTY BOOKLET J44G6002 S190 PAPER PLATE...
- Page 52 Service Manual AT2241S CN801 033G8021 2E F WAFER 2nd source CN803 033G8021 2E XY CONNECTOR CN801 033G8021 2E XY CONNECTOR 040G 45762412B CBPC LABEL IC902 056G 139 3A IC PC123Y22FZ0F IC902 056G 139900 PHOTO COUPLER TLP421F 2nd source NR901 061G 58100 X...
- Page 53 Service Manual AT2241S D901 093G 60916 Diode 10A/200V SP10200 ITO-220AB 2nd source 0M1G 930 8120 SCREW Q90G6264 5 HEAT SINK 705GQ857044 Q901 ASS'Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 600 35 STP8NK80ZFP 2nd source Q901 057G 667 21...
- Page 54 Service Manual AT2241S RJ804 061G0805000 RST CHIP MAX 0R05 1/8W RJ803 061G0805000 RST CHIP MAX 0R05 1/8W R810 061G08051003FF RST CHIPR 100KOHM +-1% 1/8W FENGHUA R810 061G08051003FY RST CHIPR 100KOHM +-1% 1/8W YAGEO 2nd source R801 061G0805103 RST CHIPR 10K OHM +-5% 1/8W...
- Page 55 Service Manual AT2241S R933 061G12066804FY RST CHIPR 6.8MOHM 1% 1/4W YAGEO 2nd source R931 061G12066804FY RST CHIPR 6.8MOHM 1% 1/4W YAGEO 2nd source C923 065G060310232K CAP CHIP 0603 1000pF K 50V X7R C926 065G0603104 12 CER2 0603 X7R 16V 100N P...
- Page 56 Service Manual AT2241S R906 061G152M10452T RST MOFR 100KOHM +-5% 2WS R906 061G152M10452T XZ RST MOFR 100KOHM +-5% 2WS XIANZHENG 2nd source R924 061G152M33852T RST MOFR 0.33 OHM +-5% 2WS R911 061G152M68152T RST MOFR 680 OHM +-5% 2WS R915 061G152M68152T RST MOFR 680 OHM +-5% 2WS...
- Page 57 Service Manual AT2241S FB602 095G 90 23 JUMPER WIRE C821 095G 90 23 JUMPER WIRE C819 095G 90 23 JUMPER WIRE 715G2892P02016001C POWER PCB 184X122X1.6MM FR-1 S/S 1OZ Q51G 6 4509 GLUE_RTV T901 S80GL22T3V1 XFMR POWER 490uH TPV-PT 2nd source...
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