Table of Contents
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20" 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...............................18
4.3.Panel Specification.............................................19
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............................................22
6.Schematic.......................................................23
6.1.Main Board....................................................23
6.2.Key Board......................................................28
7.PCB Layout.....................................................29
7.1.Main Board....................................................29
7.2.Key Board....................................................31
8.Maintainability..................................................32
8.1.Equipments and Tools Requirement...............32
8.2.Trouble Shooting.........................................33
9.White-Balance, Luminance Adjustment.............37
10.Monitor Exploded View.................................39
11.BOM List..................................................41
SAFETY NOTICE
AOC e2043Fs
Horizontal Frequency
30-83 KHz
Page
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Summary of Contents for AOC e2043Fs
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Page 1: Table Of Contents
20" LCD Color Monitor AOC e2043Fs Service Service Service Horizontal Frequency 30-83 KHz Table of Contents Description Page Description Page 5.Block Diagram……..…………....22 Table of Contents..……......……..1 6.Schematic……………........23 Revision List.…........…………..2 6.1.Main Board………...........23 Important Safety Notice.……......……..3 6.2.Key Board...……..........28 1.Monitor Specification......………..4 7.PCB Layout..…………........29 2.LCD Monitor Description……………………………..5 7.1.Main Board………...........29... -
Page 2: Revision List
Revision List Version Release Date Revision History L&T Model Name TAAJNY2BZ3K2NNF.LF Aug.-18-2010 Initial release TAAJNY2CZ3ACNNF.LF TAAJNY2BZ3K3NNF.LF Sep.-09-2010 Add new models TAAJNY2QZ3E6NNF.LF TAAJNY2CZ3AONNF.LF Nov.-09-2010 Add new models TAAJNY2CZ36ANNF.LF TAAJNY2MZ38ANNF.LF Jan-21-2011 Add new models TAAJNY2MZ38ANNF.LF TAAJNY2QZ3E8NNF.LF TAAJNY2CZ38ANNF.LF Feb-14-2011 Add new models TAAJNY2BZ3KKNNF.LF TAAJNY2CZ3RMNNF.LF Mar-04-2011 Add new models... -
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 4.2 Factory Preset Display Modes... -
Page 19: Panel Specification
4.3 Panel Specification 4.3.1 General Features LM200WD3-TRA(C)2 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 20: 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) 1235 LCD-MOSAIC Power Supply Input Current (60Hz) 1155 1500 LCD-BLACK (75Hz) 1800 LCD-BLACK Power Consumption 4.75 6.18 Watt Inrush current RUSH... - Page 21 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 0.626 0.346 0.335 GREEN 0.624 Color Coordinates [CIE1931] -0.03 +0.03...
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Page 22: Block Diagram
5. Block Diagram Main Board 12MHZ Panel Interface (X401) (CN409) Flash Memory Scalar IC NT68628 Key control Interface Pm25LD020C (Include MCU, ADC, OSD) (CN401) (U402) (U401) H sync EEPROM V sync M24C02 (U101) D-Sub Connector (CN101) D801 L801 (CN803) MOSFET (Q806) PWM Control Feedback Circuit... -
Page 23: Schematic
6. Schematic 6.1 Main Board 715G4134M01000004F 2010/4/2 FB102 H_Sy nc VGA_B+ R102 0R05 1/10W R103 100OHM1/16W 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 R106 R107 C103 C104 C127 C128 75OHM 1/16W... - Page 24 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 25 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 26 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 27 +12V +12V 4,6 2010/2/23 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...
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Page 28: Key Board
CIN_11 Power Auto MENU T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC e943Fw Size 715G4164-K0C-000-0040_20100420.DSN TPV MODEL 絬 隔 瓜 絪 腹 Key Component 2.0 Touch key PCB NAME 715G4164-K0C 称 爹 Date... -
Page 29: Pcb Layout
7. PCB Layout 7.1 Main Board 715G4134M01000004F... -
Page 31: Key Board
7.2 Key Board 715G4164K01000004F... -
Page 32: 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 33: Trouble Shooting
8.2 Trouble Shooting 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 34 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 35 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 36 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...
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Page 37: 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 38 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.
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Page 39: Monitor Exploded View
10. Monitor Exploded View... - Page 40 Description Part No. Description BEZELL20W-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 BASE COVER-TOP...
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Page 41: Bom List
SCREW,42-D020523 0Q1G-140-10120 SCREW 708GA09801S AOC PAPER SLIPSHEET40(1680) 708GA098-CP AOC 40(1596) Q50G---4-10 TIE (Y1900221) Q52G---1185-99 BIG CARTON TAPE FOR AOC 750GMT200W3A21N000 PANEL LM200WD3-TRA2 FQ LTD 2436L-1634A LM200WD3-TRA2-TF1-A0 3110T-0705A GALVALUME, T=0.3, LM200WD3-TRA1-TF1-A0 3850L-0088A ID, YUPO, 78X37 PMP-P2 100-520U-13, 5U-C60 BLACK A600, 4296L-0284A 180X7X0.45... - Page 42 C65,C66,C91 0CH2103K562 10NF, K, 50V, X7R, 0.9MM, 1608, R/TP C61,C77 0CH2104K562 0.1UF 50V K X7R 1608 R/TP C70,C71,C86 0CH2223H562 22NF 25V K X 1608 R/TP 1U F, 10 VOLT, K PER, X5R(JB), 1608 R/TP, C10,C3,C5,C7,C8 0CH2A-0007A T=0.9(MAX) C11,C12,C13, 10U F, 16 VOLT, K PER, X5R(JB), 3216 R/TP, 0CH2A-0011A C73,C74 T=0.95(MAX)
- Page 43 R10,R107,R118,R132, R133,R136,R142,R17, R177,R180,R181,R182, 0RH0000C622 0 OHM 1/16W 1608 5% D R/TP R183,R19,R31,R5,R6, R72,R75,R77,R81,R97 0RH0102C422 10 OHM 1/16W 1608 1% D R/TP R191,R193 0RH0221C622 2.2 OHM 1/16W 1608 5% D R/TP R106 0RH0302C422 30 OHM 1/16W 1608 1% D R/TP R194,R195 0RH1000C422 100 OHM 1/16W 1608 1% D R/TP R4,R83...
- Page 44 R53,R56 0RH9100C422 910 OHM 1/16W 1608 1% D R/TP AR3,AR4,AR5,AR6 0RHZL10005A 100OHM 5 1/16W 3216 R/TP FL1,FL2,FL3 6200L-J015A BLM18PG300SN1D FI-XB30SL-HF10, JAE, 30 PIN, 1 MM, ANGLE, 6630L-0157B SN, USER LOCK LM200WD3-TRA2-TF1-A0, 2L, 0.6T, 415.8 X 6870S-1125A 39.0, 4, N, 72, SOURCE 6091L-1300B LM200WD3-TRA2-TF1-A0 KOLON, XC210, T=0.123,...
- Page 45 7250L-0865A 3M, ZH350, SILVER,15*8*0.08 7250L-1408A ZH350 25X16X0.1 756GQACB-AA041--00 MAIN BOARD-CBPCANYA1QF SMTCA-U402 100GANGA002YT1 MCU ASS'Y-056G2233-11 A15G1327101 TILT SUPPORT BRACKET A34G2040AGS-1B0100 LENS A34G2041AKMA1M0100 BASE COVER-TOP A34G2042AED-2B0100 BASE TRIM A34G2043AGS-1B0100 HINGE FRONT COVER A34G2044AGS-1B0100 HINGE BACK COVER A34G2122AEDB1B0100 BEZELL20W-TB1-TBP1 A34G2123AGSA1B0100 REAR COVER A37G0188011 HINGE_ASS??Y A85G0260101 SHIELD_MAIN_BASE...
- Page 46 U402 056G2233-11 IC PM25LD020C-SCE SIOC-8(150MIL) 2M 056G1133-90--1 IC PM25LV020-100SCE 2MB SOIC-8 PMC Q402 057G-417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC 057G-417512 MMBT3906 Q302,Q701 057G-417518 TRA LMBT3904LT1G 200MA/40V SOT-23 LRC 057G-417511 MMBT3904 Q301 057G-763940 MOSFET AO3401A SOT-23 Q806 057G-763947 MOSFET APM8005KCTRG SOP-8 R409,R421 061G0402000-JF RST CHIPR MAX0R05 1/16W FENGHUA...
- Page 47 061G0402470-JY RST CHIPR 47 OHM 5% 1/16W YAGEO R414 061G04024700FF RST CHIP 470R 1/16W 1% FENGHUA 061G04024700FY RST CHIP 470R 1/16W 1% R110 061G0402471-JF RST CHIPR 470 OHM 5% 1/16W FENGHUA 061G0402471-JY RST CHIPR 470OHM -5% 1/16W YAGEO R124,R125,R303,R411, 061G0402472-JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA R413,R438,R439 061G0402472-JY...
- Page 48 R805 061G0805304-JF RST CHIPR 300KOHM +-5% 1/8W FENGHUA 061G0805304-JY RST CHIPR 300K -5% 1/8W YAGEO R813 061G12060004JF RST CHIPR MAX0R05 4A 1/4W FENGHUA 061G12060004JY RST CHIPR MAX0R05 4A 1/4W YAGEO R812 061G12061507FF RST CHIPR 0.15 OHM +-1% 1/4W FENGHUA 061G12061507FT RST CHIPR 0.15 OHM -1% 1/4W R301,R302 061G1206301-JF...
- Page 49 C305,C414,C415,C424 065G060310512K---T CAP CHIP 0603 1UF K 16V X7R 065G060310512K---3 MLCC 0603 CAP 1UF K 16V X7R C813,C814 065G060322232K---Y CAP CHIP 0603 2N2 50V X7R +/-10% 065G060322232K---A CAP 0603 2.2NF K 50V X7R C801 065G060347412K---A CAP CHIP 0603 470NF K 16V X7R 065G060347412K---Y CAP CHIP 0603 0.47UF K 16V X7R C802...
- Page 50 Q40G0003615C68 LABEL POP FOR E943FW/E94FWS Q40G0003615A71 LABEL POP(SILVER EPEAT+EPA) Q41G78D1615-4A CARD Q41G78S161545A E943FWS/E2043FS/E2243FWS/E2343FS QSG Q44GA098101 CHSHION PULP MOLD Q44GA098201 CUSHION PULP MOLD- Q44GA098615-2A CARTON 20 LCD E2043FS Q45G--88609199 EPE BAG Q45G2010M0201A PE BAG Q52G1201--4 3M TAPE Q70G200161516A E2043FS CD MANUAL...