Table of Contents
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19.5" 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.Hot Keys......................................................6
4.Input/Output Specification.......................................7
4.1.Input Signal Connector.........................................7
4.2.Factory Preset Display Modes...............................8
4.3.Panel Specification.............................................9
5.Block Diagram............................................12
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
6.Schematic.......................................................13
6.1.Main Board....................................................13
6.2.Key Board......................................................17
6.3.Power Board.................................................18
7.PCB Layout.....................................................23
7.1.Main Board....................................................23
7.2.Key Board....................................................23
7.3.Power Board..................................................23
8.Maintainability..................................................25
8.1.Equipments and Tools Requirement...............25
8.2.Trouble Shooting.........................................26
9.White-Balance, Luminance Adjustment.............30
10.Monitor Exploded View.................................31
11.BOM List..................................................33
SAFETY NOTICE
AOC E2070SWN、E2070SWNL
Horizontal Frequency
30-83 KHz
Page
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Summary of Contents for AOC E2070SWN
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Page 1: Table Of Contents
19.5" LCD Color Monitor AOC E2070SWN、E2070SWNL Service Service Service Horizontal Frequency 30-83 KHz Table of Contents Description Page Description Page 6.Schematic……………........13 Table of Contents..……......……..1 6.1.Main Board………...........13 Revision List.…........…………..2 6.2.Key Board...……..........17 Important Safety Notice.……......……..3 6.3.Power Board...……........18 1.Monitor Specification......………..4 7.PCB Layout..…………........23 2.LCD Monitor Description……………………………..5 7.1.Main Board………...........23... -
Page 2: Revision List
Revision List Version Release Date Revision History L&T Model Name MAR-25-2013 Initial Release T9DJUA2CALAONNF.LF T9DJUA2QALE6NNF.LF APR-22-2013 Add new model T9DJUA2QAL1ENNF.LF MAY-10-2013 Add new model T9DJUA2BALK2NNF.LF MAY-13-2013 Update Hot keys T9DJUA2QALAO3NF.LF MAY-14-2013 Add new model T9DJUA2QALAO3NF.PA MAY-30-2013 Add new model T9DJUA2BALK3NNF.LF T9DJUA2BALA7NNF.LF JUN-26-2013 Add new model... -
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 Key Board Power Board Scaler Board D-SUB... -
Page 6: General Instructions
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 front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. 3.2 Hotkeys... -
Page 7: Input/Output Specification
4. Input/Output Specification 4.1 D-SUB connectors and DVI connectors Pin Assignments Pin Number 15-Pin Side of the Signal Cable Pin Number 15-Pin Side of the Signal Cable Video-Red Video-Green Ground N.C. Video-Blue N.C. DDC- Serial data Detect Cable sync GND-R sync GND-G DDC-... -
Page 8: Factory Preset Display Modes
4.2 Factory Preset Display Modes... -
Page 9: Panel Specification
4.3 Panel Specification 4.3.1 General Features LM195WD1-TABB 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. It has a 19.5 inch diagonally measured active display area with HD+ resolution (900 vertical by 1600 horizontal pixel array) Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes. - Page 10 4.3.3 Electrical Characteristics Values Parameter Symbol Unit Notes MODULE : Power Supply Input Voltage Permissive Power Input Ripple (60Hz) LCD-MOSAIC Power Supply Input Current (60Hz) LCD-BLACK (75Hz) LCD-BLACK Power Consumption 3.06 3.52 Watt Inrush current 1, 4 RUSH LED bar Electrical characteristics Values Parameter Symbol...
- Page 11 4.3.4 Optical Characteristics Ta= 25°C, V =5.0V, fv=60Hz, D = 54.0MHz, Is=105mA Values Parameter Symbol Units Notes Contrast Ratio (PR-880) Surface Luminance, white cd/m2 (PR-880) Luminance Variation WHITE (PR-880) Rise Time Response Time (RD-80S) Decay Time 0.635 0.339 0.325 GREEN 0.629 Color Coordinates...
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Page 12: Block Diagram
5. Block Diagram 5.1 Main Board Flash Memory CRYSTAL MX25L2026DM1I 14.31818MHZ (X401) (U402) Scalar IC TSUMU19AR6 Key Control Interface Power Board (U401) (CN402) Panel Interface D-Sub Connector (CN701) (CN101) POWER BOARD... -
Page 13: Schematic
6. Schematic 6.1 Main Board 715G5846M0D000004S 19R 0.5A FB102 R102 10 OHM C102 47N16V 19R 0.5A R103 C103 22N 25V CN101 FB103 R105 10 OHM C104 47N16V DB15 RED- 19R 0.5A RED+ GREEN- FB104 R107 10 OHM C105 47N16V GREEN+ BLUE- BLUE+ R/G/B gndぃ璶ゴヴ via 钡 connector... - Page 14 CONN PB[0..9] RXO0- PB[0..9] RXO0+ RXO1- RXO1+ RXO2- RXO2+ RXOC- RXOC+ RXO3- RXO3+ RXE0- RXE0+ RXE1- RXE1+ PANEL_VCC PA[0..7] RXE2- PA[0..7] RXE2+ RX0C- PANEL_VCC RX0C+ RXE3- RXE3+ FB401 120R 6A CN401 C401 C402 100N 16V 100uF16V SDA_PANEL L/T_SDA SCL_PANEL L/T_SCL T P V ( Top Victory Electronics...
- Page 15 VDDP AVDD 3.3V Power VCC3.3 FB402 C406 120R 6A C404 C405 100N 16V 100N 16V 4.7uF 10V R403 VDDP NC/2.2K1/16W Q401 C403 C407 U401 LED_ORANGE NC/LMBT3906LT1G TSUMU19AR6-1 LED_R 10UF 10V 100N 16V R404 PA[0..7] R405 PA[0..7] LVA3P NC/470OHM +-5% 1/10W RIN0P LVA3M GNDR...
- Page 16 Belling as main source U701 BL1117-33CX SOT 223 Both 223 and 252 CN701 foot-print VCC3.3 2,3,4 U702 BKLT-VBR1 NC/BL1117-33CY BKLT-EN VCC3.3 VOUT SOT 252 CONN C701 100uF16V C702 C703 C704 100N 16V 100N 16V 100uF16V VCC3.3 VCC3.3 VCC3.3 R702 R703 BKLT-EN R701 4.7K1/16W...
- Page 17 Main Board2 ( 715G6851M01000004L) INPUT VGA 19R 0.5A FB102 R102 10 OHM C102 47NF 16V CN101 19R 0.5A R103 470OHM1/16W C103 1nF 50V FB103 R105 10 OHM C104 47NF 16V D-SUB 15P RED- 19R 0.5A RED+ GREEN- FB104 R107 10 OHM C105 47NF 16V GREEN+ BLUE-...
- Page 18 OUTPUT CONN RXO0- RXO0+ RXO1- RXO1+ RXO2- RXO2+ RXOC- RXOC+ RXO3- RXO3+ RXE0- RXE0+ PB[0..9] PB[0..9] RXE1- RXE1+ PANEL_VCC RXE2- RXE2+ RX0C- PANEL_VCC RX0C+ RXE3- RXE3+ FB401 120R 6A PA[0..7] PA[0..7] CN401 C401 100UF 25V C402 R450 100NF 16V SDA_PANEL L/T_SDA SCL_PANEL L/T_SCL...
- Page 19 SCALER NT68169UFG ADC_1.2 3.3V Power C442 C411 VCC3.3 FB402 4.7UF 100NF 16V 120R 6A ADC_3.3 CVDD_1.2 ADC_3.3 C403 C407 VCC3.3 ADC_1.2 10uF 10V 100NF 16V CVDD_1.2 C443 C412 4.7UF 100NF 16V C444 C413 4.7UF 100NF 16V U401 PA[0..7] PA[0..7] BIN1+ GNDB BIN1- SOG1I...
- Page 20 POWER Belling as main source U701 SOT 223 BL1117-33CX(cu) CONN Both 223 and 252 foot-print +12V VCC3.3 +12V 2,3,4 U702 BKLT-VBR1 NC/BL1117-33CY BKLT-EN VCC3.3 VOUT SOT 252 C704 CN701 100UF 25V NC/CONN C701 C702 C703 NC/10uF 16V 100NF 16V 100NF 16V VCC3.3 +12V FB704...
- Page 21 TSTAY B41 SGND SGND T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC 70ID 絬 隔 瓜 絪 腹 715G5985-K0B-000-0010 TPV MODEL AOC E970SWN Key Component 2.0.key PCB NAME 715G5985-K0B <称爹> 称 爹...
- Page 22 R928 C917 HARNESS 9P 100N 50V CN901 SOCKET T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC 70th Size Custom Designer Joseph.Chen TPV MODEL <Checked> Circuit diagram NO. 715G5953-P1A-000-0010-1-130222 Checked 01.POWER PCB NAME K ey C omp on ent...
- Page 23 1 OHM +-5% 1/8W R822 1 OHM +-5% 1/8W FB804 BEAD T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC 70th Size Custom Designer Joseph.Chen Circuit diagram NO. 715G5953-P1A-000-0010-1-130222 TPV MODEL Checked <Checked> 02.conv erter...
- Page 24 715G5527P01004001R(E2070SWN) R904 100 OHM 1/4W 200V-2 L903 C900 R905 100 OHM 1/4W +15V 1NF 250V C910 C919 2.2NF 2.2NF 400V-1 R906 100 OHM 1/4W 3.5uH R918 ZD901 250R MTZJ T-72 18B C912 0.9A 680uF 25V D903 T901 SR515 POWER X'FMR...
- Page 25 TPM215HW01-HGEL03 R816=34.8K R810 20K R816=33K TPM215HW01-DAT03 R811 1KOHM T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC 70th Size Custom Designer Joseph.Chen Circuit diagram NO. 715G5527-P0A-004-0010-1-121121 TPV MODEL Checked <Checked> 02.conv erter PCB NAME...
- Page 26 715G6503P01001001R 100 OHM 1/4W 1NF 500V R919 19V1 C915 T901 L902 R916 POWER X'FMR 100 OHM 1/4W 1.1uH +19V R917 100 OHM 1/4W R918 100 OHM 1/4W C916 C904 C917 R915 1000uF25V 680UF 25V C906 BD901 D901 680UF 25V 470UF 25V KBP206G SR5100-MK23-C For under FTS 0.1W Solution...
- Page 27 L801 D802 47uH SR5100-MK23-C 19V1 For Voltage Stress issue FB801 For EMI 箇痙 BEAD C818 C801 0 OHM 1/4W 220UF 25V R814 R804 JR901 R899 0 OHM 1/4W 10 OHM 1/4W R801 10 OHM 1/4W C810 10K 1/4W Q801 100N 50V EMBA2N10A ON/OFF C809...
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Page 28: Key Board
7. PCB Layout 7.1 Main Board 715G5846M0D000004S CN401 C701 FB402 C401 C703 FB401 C704 R706 U701 R707 C406 Q703 C404 C405 C407 R709 R414 R425 R420 U401 R436 R710 R703 R701 R419 R704 R417 R403 R416 C412 R702 R402 C410 R422 R421 R405... -
Page 29: Power Board
J803 J902 C906 C809A J804 C809 R827 J901 R826 SL12 NR901 C923 C907 F901 CN803 SL13 CN901 GND2 GND3 715G5527P01004001R (E2070SWN) GND1 R928 C801 L801 C814 C914 C909 L905 F902 C909A FB804 C920 C911 Q801 R914 J805 R812 C808 R813... -
Page 30: 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 31: 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 32 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 33 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 34 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 35: White-Balance, Luminance Adjustment
9. White- Balance, Luminance Adjustment The white color temperature should be app. warm ([6500K]: x=0.313, y=0.329). There should be at least one alternative white color temperature selectable by the user(e.g. [cool] 9300K x=0.283 y=0.297 ，[normal] 7300K x=302 y=318, [SRGB] x=0.313 y=0.329) Those four channels should be factory preset and not be possible to be modified. -
Page 36: Monitor Exploded View
10 Monitor Exploded View... -
Page 38: Bom List
2nd source 089G-725GAA-DB SINGAL CABLE 1500MM GREATLAND 2nd source 089G-725LAA-DB SINGAL CABLE 1500MM HONGSHUO 2nd source 0Q1G1030--6120 SCREW 708GAF19-CP-1A AOC 40 INDA(2344) 708GAF19-CP-2A AOC 20 INDA(1124) 2nd source 透明胶 MIDDLE TAPE (Y1200141) 052G---1185 F07G1120--F110 Compound Pallet 1120*1100 F07G1220--F110 Compound Pallet... - Page 39 6060L-3213D LM195WD1(TJBA,TABB/T2BB) 2nd source 6060L-3213B LM195WD1(TJBA,T2BB/TABB) 2nd source 6091L-2413C LM195WD1-TABB KOLON, XC210, T=0.123, 3022L-2310A LM195WD1-T2BB TORAY, T6D6, T=0.245, 3034L-1433A LM195WD1-T2BB 3551L-0802A LM195WD1-T2BB 3550B-1213A EGI, T=0.6, LM195WD1-T2BB WEL LED, 24EA, YR Phosphor LED, 6916L-1353A LM195WD1-T2BB 5153L-0124A LSM, GT108-6P-H26 6915L-0506A WRL,8520E(YR) PKG 253.4*4.0*1.0, 2ea(Number Of Chain), 6920L-0332A 1L(Number Of Layer), 24ea(Number Of...
- Page 40 A34G3250ABJ-1B0100 Stand A34G3262ABJ-1B0100 PCB FRAME AM1G1740-10225-CR3 screw CBPCCUAACQ1 MAIN BOARD CN402 033G3802-4B--Y WAFER 4P 2.0MM XINYA CN701 033G3802-6B--Y WAFER 6P 2.0MM XINYA CN401 033G801930F-CH--JS WAFER 30P 1.0MM JINGSHI EC 100uF +-20% 16V 5*11mm 4000Hr C401,C701,C704 067G-4051013LB LELON 067G-3051013PB 2nd source EC 105℃...
- Page 41 RST CHIPR 22 KOHM +-5% 1/16W R120,R705,R709 061G0402223-JY 0402 YAGEO RST CHIPR 3.9 KOHM +-5% 1/16W R433 061G0402392-JT 0402 TZAI YUAN RST CHIPR 47 OHM +-5% 1/16W 0402 R431,R432 061G0402470-JT TZAI YUAN RST CHIPR 47 OHM -5% 1/16W 0402 061G0402470-JF 2nd source FENGHUA RST CHIPR 47 OHM -5% 1/16W 0402...
- Page 42 RATING LABEL FOR E2070SWNL 印 F40G190I615-9A 度 F40GKA01624-2A Shipping label E62\E2070SWNL 印度 Warning label(提 F40GYA0361518A 示屏幕擦拭) 整合标签 WIN8 for E2070SWNL F40GYA0361554A F44GAF19101 F44GAF19201 F44GAF19615-2A-JVS Carton for E2070SWNL CH/IN F52G10012A3001 Conductive Tape F70G20C1615-7A E2070SWN/E2070SWNL CD MANUAL E08901 F89G217A15N-IS POWER CORD 1500MM india...
- Page 43 (2.5A)I-SHENG E09501 F95G179T30P289 FFC CABLE 30PIN 190MM P1.0MM DIY FFC CABLE 30PIN 190MM P1.0MM F95G179J30P289 2nd source KOTL FFC CABLE 30PIN 190MM P1.0MM F95G179X30P289 2nd source WENXIN FFC CABLE 30PIN 190MM P1.0MM F95G179H30P289 2nd source HONGLIN WIRE HARNESS 6P-6P 230MM E09502 F95G8014-6D172 GREATLAND...
- Page 44 HF AC SOKET R/A 2P 12DEGREE CN901 087G-50147D-HC H=12.8 BD901 093G--50460-51 DIODE BD D2SB80 2A 800V GBL TSC DIODE SCHOTTKY SR515 5A/150V D903 093G--60335 DO-201AD TSC DIODE SCHOTTKY SR560 5A/60V D906 093G--60519 DO-27 SECOS DIODE SCHOTTKY SR510-22 5A/100V D801 093G--60924 DO-201AD TSC CN901-1 0Q1G-340--8140...
- Page 45 FENGHUA R806 061G08051000FT RST CHIPR 100 OHM +-1% 1/8W R815 061G08051004FI RST 0805 1M 1% 1/8W TA-I RST CHIPR 100 KOHM +-5% 1/8W R805 061G0805104-JY 0805 YAGEO RST CHIPR 1 OHM +- 5% 1/8W R819,R820,R821,R822 061G0805109-JF FENGHUA R810 061G08051102FY RST CHIP 11K 1/8W 1% RST CHIPR 11 KOHM -1% 1/8W 0805 061G08051102FT 2nd source...
- Page 46 MLCC 0805 10nF +-10% 50V X7R C802 065G080510332K---Y YAGEO MLCC 0805 0.1uF +-10% 50V X7R C814,C901,C915,C917 065G080510432K---Y YAGEO MLCC 0805 0.22uF +-10% 50V X7R C806 065G080522432K---Y YAGEO MLCC 0805 2.2uF +-10% 16V X7R C805 065G080522512K---M MURATA MLCC 0805 0.47uF +-10% 50V X7R C804,C807 065G080547432K---T TAIYO YUDEN...
- Page 47 906,J907,J909,J910,J911 ,J912,J913,J914,R827 C801 367G215X3314AT EC 330UF 20% 25V 10*12 RF Aihua C908 367G215X4707AT EC 47uF 20% 50V 6.3*11 RG Aihua EC 1000UF 20% 16V 10X20 RS 4000 hr C909A 367G415X1023AT ERS1CM102G20B50TM Aihua RS 4000 hr ERS1CM471G13B50TM C914 367G415X4713AT Aihua C809A 367G415X4799AT EC 4.7UF 20% 100V 8*11.5 Aihua EC 680uf 20% 25V 10x20 RS 4000 hr...