AOC e2243Fw Service Manual
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AOC e2243Fw Service Manual

21.5" lcd color monitor
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See also: User Manual
21.5" LCD Color Monitor
Service
Service
Service
Description
Table of Contents.........................................................1
Revision List................................................................2
Important Safety Notice...............................................3
1.Monitor Specification.................................................4
2.LCD Monitor Description.......................................5
3.Operation Instruction...............................................6
3.1.General Instructions.................................................6
3.2.Control Button......................................................6
3.3.OSD Menu............................................................7
4.Input/Output Specification.......................................18
4.1.Input Signal Connector.........................................18
4.2.Factory Preset Display Modes...............................19
4.3.Panel Specification.............................................20
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Table of Contents

Page
Description
5.Block Diagram............................................23
6.Schematic.......................................................24
6.1.Main Board....................................................24
6.2.Key Board......................................................29
7.PCB Layout.....................................................30
7.1.Main Board....................................................30
7.2.Key Board....................................................32
8.Maintainability..................................................33
8.2.Trouble Shooting.........................................34
10.Monitor Exploded View.................................40
11.BOM List..................................................42
SAFETY NOTICE
AOC e2243Fw
Horizontal Frequency
30-83 KHz
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Summary of Contents for AOC e2243Fw

  • Page 1: Table Of Contents

    21.5" LCD Color Monitor AOC e2243Fw Service Service Service Horizontal Frequency 30-83 KHz Table of Contents Description Page Description Page 5.Block Diagram……..…………....23 Table of Contents..……......……..1 6.Schematic……………........24 Revision List.…........…………..2 6.1.Main Board………...........24 Important Safety Notice.……......……..3 6.2.Key Board...……..........29 1.Monitor Specification......………..4 7.PCB Layout..…………........30 2.LCD Monitor Description……………………………..5 7.1.Main Board………...........30...

  • Page 2: Revision List

    Revision List Version Release Date Revision History L&T Model Name TIAJNR2BZ3K2HNF.LF TIAJNR2MZ3VEHNF.LF TIAJNR2CZ3GGHNF.LF Aug.-19-2010 Initial release TIAJNR2FZ3UHHNF.LF TIAJNR2TZ3IRHNF.LF TIAJNR2KZ3E6HNF.LF TIAJNR2LZ33AHNF.LF TIAJNR2BZ3K3HNF.LF Sep.-09-2010 Add new models TIAJNR2QZ3E6HNF.LF Oct.-28-2010 Add new model TIAJNR2QZ3K6XNF.LF TIAJNR2CZ36AHNF.LF Nov.-09-2010 Add new models TIAJNR2QZ3K7XNF.LF Nov.-26-2010 Add new models TIAJNR2CZ3ACHNF.LF TIAJNR2LZ3IGHNF.LF TIAJNR2KZ3E8HNF.LF...

  • Page 3: Important Safety Notice

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.

  • Page 4: Monitor Specification

    1. Monitor Specifications...

  • Page 5: Lcd Monitor Description

    2. LCD Monitor Description The LCD MONITOR will contain a main board and a key board which house the flat panel control logic, brightness control logic and DDC. Monitor Block Diagram Flat Panel and LED Drive. LED backlight Main Board Key Board D-SUB Signal...

  • Page 6: Operation Instruction

    3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at base of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. 3.2 Control Buttons Power Press the Power button to turn 0n/off the monitor.

  • Page 7: Osd Menu

    3.3 OSD Menu 1) Press the MENU-button to activate the OSD window. 2) Press < or > to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu . Once the desired function is highlighted, press MENU-button to activate it. 3) Press <...

  • Page 18: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector Analog connector DVI connector...

  • Page 19: Factory Preset Display Modes

    4.2 Factory Preset Display Modes...

  • Page 20: Panel Specification

    4.3 Panel Specification 4.3.1 General Features LM215WF4-TRA2 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode.

  • Page 21: Optical Characteristics

    4.3.3 Optical Characteristics Electrical characteristics Ta = 25°C Values Parameter Symbol Unit MODULE : Power Supply Input Voltage Permissive Power Input Ripple (60Hz) 1000 1300 LCD-MOSAIC Power Supply Input Current (60Hz) 1300 1690 LCD-BLACK (75Hz) 2000 LCD-BLACK Power Consumption 5.00 Watt Inrush current RUSH...
  • Page 22 4.3.4 Optical Characteristics (Ta= 25°C, V =5.0V, fv=60Hz, D = 77.0MHz, Is=60mA) Values Parameter Symbol Units Contrast Ratio 1000 Surface Luminance, white cd/m  Luminance Variation WHITE Rise Time Response Time Decay Time 0.624 0.347 0.337 GREEN 0.625 Color Coordinates [CIE1931] -0.03 +0.03...

  • Page 23: Block Diagram

    5. Block Diagram Main Board 12MHZ Panel Interface (X401) (CN409) Flash Memory Scalar IC NT68668AUFG Key control Interface Pm25LD020C (Include MCU, ADC, OSD) (CN401) (U402) (U401) H sync V sync D-Sub Connector Connector (CN102) (CN101) D801 L801 (CN803) MOSFET (Q806) PWM Control Feedback Circuit ON/OFF...

  • Page 24: Schematic

    6. Schematic 6.1 Main Board 715G4134M01000004F 2010/4/2 FB102 H_Sy nc R102 0R05 1/10W R103 100OHM1/16W VGA_B+ R105 C102 DSUB_H 5 DSUB_B+ 5 V_Sy nc R104 100OHM1/16W BEAD 10OHM1/16W 47nF 16V DSUB_V 5 R108 C105 NC/5PF 50V 11/30/2009 R106 R107 C103 C104 C127 C128...
  • Page 25 CN409 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- RXO0+ LVB0P PA0 LVA3P LVB3M LVB1M RXO1- RXO1+ LVB1P PA1 LVA3M LVBCKP LVB2M RXO2- RXO2+ LVB2P PA2 LVACKP LVBCKM LVBCKM RXOC- RXOC+ LVBCKP PA3 LVACKM LVB2P LVB3M RXO3- RXO3+ LVB3P PA4 LVA2P LVB2M LVA0M RXE0-...
  • Page 26 SOT 252 CMVCC1 U702 G1117-33T43UF D707 SR34 D708 SR34 SOT 223 VCC3.3 U701 Dropout voltage must < 0.8V @ 600mA C708 C709 C707 100N 16V 100N 16V 22UF 16V CMVCC1 CMVCC1 VCC3.3 R702 10K+-5%1/16W SOT 223 R703 D703 Dropout voltage must BKLT-EN 10K+-5%1/16W SR34...
  • Page 27 VCC1.8 VCC3.3 CVDD VCC3.3 2,4 DVDD FB403 C406 ADC_VAA FB401 VCC1.8 FB404 300OHM 4.7UF 10V 0R05OHM1/8W AVCC VCC3.3 AVCC 300OHM C0805 C401 C402 C403 CVDD ADC_BIAS C439 4.7UF 10V 100N 16V 100N 16V 100N 16V C0805 C407 ADC_VAA33 C413 C414 C415 4.7UF 10V 1uF 16V...
  • Page 28 +12V +12V 4,6 L801 D801 R813 47UH 0R05 4A 1/4W SK310B R811 C811 C810 R801 U801 150 OHM 1/10W NC/470uF 16V 100N 50V 10 OHM 1/10W MP3389EF C813 C803 C807 C801 0.47uF 16V Q806 VFAULT C805 2N2 50V 0.47UF 50V GATE APM8005KCTRG C802 68NF 50V...

  • Page 29: Key Board

    6.2 Key Board 715G4164K01000004F KEY 0.1524 V3.3 AC_SHIELD U001 R001 R002 R003 CN001 10K 1/16W 5% 10K 1/16W 5% 10K 1/16W 5% CONN CIN_01 GPIO_07 CIN1 GPIO7 CIN_02 SM_INT# R004 CIN2 INT# 100R 1/16W 5% CIN_03 SM_DATA CIN3 CIN_04 SM_CLK CIN4 SCLK CIN_07...

  • Page 30: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G4134M01000004F...

  • Page 32: Key Board

    7.2 Key Board 715G4164K01000004F...

  • Page 33: Maintainability

    8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.

  • Page 34: Trouble Shooting

    8.2 Trouble Shooting 1. No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace main board and check connections Replace key board and check connections...
  • Page 35 2. No Video (Power LED White) No Video (Power LED White) Press the power Replace the main board button is OK? Replace the main The end board and connection Replace the LVDS/FFC Check the LVDS/FFC cable or panel cable or panel Replace the key board...
  • Page 36 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
  • Page 37 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the” color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...

  • Page 38: White-Balance, Luminance Adjustment

    9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to setting MEM channel you can reference to chroma 7120 user guide or simpl use “SC” key and “NEXT” Key to modify xyY value and use “ID”...
  • Page 39 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 283 ±30, y = 297 ±30 4.

  • Page 40: Monitor Exploded View

    10. Monitor Exploded View...
  • Page 41 Description Part No. Description BEZEL L215W-TB1-TBP1 0M1G-940--5125 SCREW(HINGE /TILT SUPPORT BRACKET) REAR COVER 0M1G-140--6125 SCREW(TILT SUPPORT BRACKET/ REAR COVER) KEY BOARD PANEL LENS HINGE_ASS’Y WASHER 0M1G1730--6120 SCREW(MAIN BOARD/ SHIELD_MAIN_BASE) SHIELD_MAIN_BASE SCREW(FOR SIGNAL CONNECTOR) BASE TRIM FOOT PAD HINGE FRONT COVER 0M1G-140--8125 SCREW(SHIELD_MAIN_BASE / HINGE) HINGE BACK COVER...

  • Page 42: Bom List

    SCREW,42-D020523 0Q1G-140-10120 SCREW 708GB04201S-1A 40"" AOC SLIPSHEET(1520) 708GB042-CP-1A 40"" AOC COMPOUND PALLET(1440) Q50G---4-10 TIE (Y1900221) Q52G---1185-99 BIG CARTON TAPE FOR AOC 750GMT215W4A21N000 PANEL LM215WF4-TRA2 FQ LTD 2436L-1638A LM215WF4-TRA2-6F1-A0 GALVALUME, T=0.3, 3110T-0706A LM215WF4-TRA1-6F1-A0 3850L-0088A ID, YUPO, 78X37 PMP-P2 100-520U-13, 5U-C60 BLACK A600, 4296L-0284A 180X7X0.45...
  • Page 43 C79,C911 0CH2473H562 47NF, K, 25V, X7R, 0.9MM, 1608, R/TP C56,C57,C58,C59,C74 0CH2473K562 47NF 50V K X7R 1608 R/TP 1U F, 10 VOLT, K PER, X5R(JB), 1608 R/TP, C36,C908 0CH2A-0007A T=0.9(MAX) C50,C55 0CH2A-0010A 33NF, M, 25V, X7R, 0.9MM, 1608,R/TP 10U F, 16 VOLT, K PER, X5R(JB), 3216 R/TP, C22,C23,C32,C33,C34 0CH2A-0011A T=0.95(MAX)
  • Page 44 TNI8016-100M, DACOWELL, 10UH, M20, 0LCAA-0069A 2.1A, 0.093,8.0X11.0X1.8(1.2MM,IN-BOARD), R/TP FL4,FL5,R103,R109, R118,R119,R121,R125, R126,R127,R129,R138, R139,R140,R142,R179, 0RH0000C622 0 OHM 1/16W 1608 5% D R/TP R180,R20,R302,R4,R54 R601,R602,R801,R802, R901,R902,R903,R906, R908 R131 0RH0102C422 10 OHM 1/16W 1608 1% D R/TP R701 0RH0221C622 2.2 OHM 1/16W 1608 5% D R/TP R10,R11,R12,R13,R14, R15,R16,R17,R18,R19, 0RH0302C422...
  • Page 45 R122,R124,R909 0RH5601C422 5.6K OHM 1/16W 1608 1% D R/TP R201,R203 0RH6200C422 620 OHM 1/16W 1608 1% D R/TP R202 0RH6802C422 68K OHM 1/16W 1608 1% D R/TP R252 0RH7501C422 7.5K OHM 1 / 16 W 1608 1% D R/TP R21,R231,R241,R251 0RH8201C422 8.2K OHM 1/16W 1608 1% D R/TP R221...
  • Page 46 TORAY, 188E60L, T=0.188, TERAOKA 7051, 3953L-0095A 285.8*1.8*0.2, LM215WF4-TRA1-6F1-A0 PMMA, FLAT, 2.0, PRINTING, 5150L-0440A LM215WF4-TRA1-6F1-A0 WOOREE LED, 64(NUMBER OF LED), 6916L-0249A WHITE LED, LM215WF4-TRA1-6F1-A0 5153L-0068A 10FH-SM1-GAN-TB(LF)(SN) , JST WOOREE LED, WM32NW1F, TOP VIEW, 6915L-0173A 1EA(LED CHIP Q'TY PER PKG), 3.0*2.0*0.8, 283.6*4.4*1.0, 4EA(NUMBER OF CHAIN), 6920L-0041A 1L(NUMBER OF LAYER), 64EA(NUMBER OF LED), AL...
  • Page 47 D-SUB 15PIN VERTICAL CONN WITH 088G-35315F-XH source SCREW CN102 088G-35424F--C DVI 24PIN CONN F 088G-35424F-XH DVI 24PIN CONN F ATTACHED SCREW source 709G4134-QM001 COMSUPTIVE ASS'Y 055G--23524--A WELDING FULX WITHOUT PB Q55G-100625 TIN STICK_LOW ARGENTUM CN803 033G801910Y--H FPC CONN. 0.5MM SMT 10P U401 056G-562328 IC SCALER NT68668AUFG QFP-128...
  • Page 48 061G0402103-JY RST CHIPR 10KOHM -5% 1/16W YAGEO R135,R306,R415, RST CHIPR 100KOHM +-5% 1/16W 061G0402104-JF R712,R726 FENGHUA 061G0402104-JY RST CHIPR 100KOHM -5% 1/16W YAGEO R434 061G0402105-JF RST CHIPR 1MOHM 5% 1/16W FENGHUA 061G0402105-JY RST CHIPR 1000KOHM 1/16W YAGEO R714 061G04021201FF RST CHIP 1.2K 1/16W 1% FENGHUA 061G04021201FY RST CHIP 1.2K 1/16W 1% RST CHIPR 2.2KOHM +-5% 1/16W...
  • Page 49 R801 061G0603100-JF RST CHIPR 10 OHM 5% 1/10W FENGHUA 061G0603100-JY RST CHIPR 10OHM 1/10W YAGEO R819 061G06031002FF RST CHIPR 10KOHM +-1% 1/10W FENGHUA 061G06031002FY RST CHIPR 10KOHM -1% 1/10W YAGEO R806,R808 061G0603102-JF RST CHIPR 1K OHM +-5% 1/10W FENGHUA 061G0603102-JI TEST ONLY RST 0603 1K 5% 1/16W TA-I R804 061G0603104-JF...
  • Page 50 C112,C115,C120,C121, C122,C124,C125,C126, C301,C304,C401,C402, C403,C405,C407,C417, C418,C419,C422,C425, 065G040210412K---Y CAP CHIP 0402 100N 16V X7R +/-10% C427,C431,C432,C436, C437,C438,C702,C705, C706,C708,C709,C713, C717,C721 065G040210412K---A CAP CHIP 0402 100NF K 16V X7R C123,C722 065G040215131J---Y CHIP 150PF 50V NPO YAGEO C103,C104 065G040222031J---Y CAP CHIP 0402 22P 50V NPO +/-5% 065G040222031J---A CAP 0402 22PF J 50V NPO C116,C117,C303,C429...
  • Page 51 C720,C723 065G120610625K---T CAP CHIP 1206 10UF K 25V X5R C302,C704,C707 065G1206226A5K---T CAP CHIP 1206 22UF K 16V X5R 065G120622615K---M CAP CHIP 1206 22UF K 16V X5R 065G120622615K---A CAP CHIP 1206 22UF K 16V X5R U402 070GHDCP500HDC HDCP CODE FB301,FB408 071G-56K121 CHIP BEAD 071G-56K121--M CHIP BEAD...
  • Page 52 Q40G000361596A POP LABEL(WIN 7+EPEAT+EPA) Q40G0003615C68 LABEL POP FOR E943FW/E94FWS Q40G0003615A81 WARRNING LABEL Q41G78D1615-4A CARD Q41G78S161537A Q44GB042101 PULP MOLD Q44GB042201 PULP MOLD Q44GB042615-1A CARTON CARTON Q44GD065301EPE CUSHION EPE Q45G--88609197 EPE BAG Q45G2010M0201A PE BAG Q52G1201--4 3M TAPE Q70G22C161519A E2243FW CD MANUAL...

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