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18.5" 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...............................18
4.3.Panel Specification.............................................19
5.Block Diagram........................................................21
5.1.Main Board......................................................21
5.2.Power Board.............................................22
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.......................................................23
6.1.Main Board....................................................23
6.2.Power Board..................................................27
6.3.Key Board......................................................30
6.4.USB Board..............................................31
7.PCB Layout.....................................................33
7.1.Main Board....................................................33
7.2.Power Board..................................................36
7.3.Key Board....................................................40
7.4.USB Board..............................................41
8.Maintainability..................................................43
8.1.Equipments and Tools Requirement...............43
8.2.Trouble Shooting..........................................44
9.White-Balance, Luminance Adjustment.............48
10.Monitor Exploded View.................................50
11.BOM List...................................................52
SAFETY NOTICE
AOC e941Swa
Horizontal Frequency
30-60 KHz
Page
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Summary of Contents for AOC e941Swa
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Page 1: Table Of Contents
18.5" LCD Color Monitor AOC e941Swa Service Service Service Horizontal Frequency 30-60 KHz Table of Contents Description Page Description Page 6.Schematic……………........23 Table of Contents..……......……..1 6.1.Main Board………...........23 Revision List.…........…………..2 6.2.Power Board...…….........27 Important Safety Notice.……......……..3 6.3.Key Board...……..........30 1.Monitor Specification......………..4 6.4.USB Board……………………………….……...31 2.LCD Monitor Description……………………………..5 7.PCB Layout..…………........33... -
Page 2: Revision List
Revision List Version Release Date Revision History TPV Model Name T89ANS6BWVK2UN Sep.13.2010 Initial release T89ANSNBWVK2UN... -
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, an adapter board, a converter board, a key board and two USB boards which house the flat panel control logic, brightness control logic and DDC. The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. -
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 front panel 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 This specification applies to the 18.5 inch-wide Color a-Si TFT-LCD Module M185XW01.The display supports the WXGA - 1366(H) x 768(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). All input signals are 1-channel LVDS interface and this module doesn’t contain an inverter board for backlight. - Page 20 Backlight 4.3.4 Optical Characteristics...
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Page 21: Block Diagram
5. Block Diagram 5.1 Main Board 2.INPUT 3.SCALER 4.PANEL INTERFACE DSUB_5V BIN+ PANEL_EN BIN+ BIN+ PANEL_EN PANEL_EN BIN- BIN- BIN- SOGI DSUB_5V SOGI SOGI GIN+ GIN+ GIN+ GIN- GIN- GIN- RIN+ TCLK1P RIN+ RIN+ TCLK1P TCLK1P RIN- TCLK1M RIN- RIN- TCLK1M TCLK1M HSIN... -
Page 22: Power Board
5.2 Power Board Adapter Board: AC input Bridge Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R908) Feedback Power Switch PWM Control Circuit (Q901) (IC901) Photo coupler (IC902) Audio Power Amplifier CN601 (Phone Jack) APA2071JI CN602 (U601) Converter Board: ZD801 F801 L801... -
Page 23: Schematic
M24C02-WMN6TP Change net to DDC_SCL,DDC_SDA T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e941Swa G3225-1-2-X-27-100415 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 1.0.COVER PCB NAME 715G3225-1-2 称爹 Thursday , April 15, 2010... - Page 24 NC/CONN TOUCH_PANEL NC/BEAD T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e941Swa G3225-1-2-X-27-100415 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 1.0.COVER PCB NAME 715G3225-1-2 称爹 Friday , August 13, 2010 Sheet...
- Page 25 1UF16V 100N 16V NC/10K1/16W T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e941Swa G3225-1-2-X-27-100415 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 1.0.COVER PCB NAME 715G3225-1-2 称爹 Thursday , April 15, 2010...
- Page 26 Panel_ID# 5 2N3904S-RTK/PS R714 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size e941Swa G3225-1-2-X-27-100415 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 1.0.COVER PCB NAME 715G3225-1-2 称爹 Date Thursday , April 15, 2010...
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Page 27: Power Board
6.2 Power Board Adapter Board: 715G2892P01020001M R929 100 OHM 1/4W BD901 C916 L905 KBP208G R930 100 OHM 1/4W 0.001uF Coil +16V R911 R915 R903 100 OHM 1/4W 680OHM2W C919 680OHM2W 0.001uF ZD9 01 1000uF 25V Q904 T ZX1 8 B C918 KTD1028 D901... - Page 28 +5V1 +5V1 R602 10K 1/10W 5% R603 10K 1/10W 5% C609 1uF/25V 10K 1/10W 5% IC601 R609 CN602 LOUT- SE/BTL LOUTP CN601 VOLUME R604 10K 1/10W 5% C601 0.47uF/16V LOUT+ LINN LOUTN C606 0.47uF/16V ROUT+ RINN ROUTN BY PASS R605 10K 1/10W 5% ROUT- SHUTDOWN...
- Page 29 Converter Board: 715G3918P03000004L R844 C811 Vout CN801 CN803 CONN L801 +12V F801 FUSE ZD801 R833 1 OHM 1/10W R832 NC R831 1 OHM 1/10W 22uH R830 NC SK310B Q801 C801 C803 C804 C810 100N 50V 220P 100V 33UF 100V R829 1 OHM 1/10W G1 D1 CONN P8008HV...
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Page 30: Key Board
6.3 Key Board 715G4007K01000004F LED_2# LED_1# LED01 CN001 LBADC2 R002 2K 1/10W LBADC1 DC_POWERON R003 0R05 1/10W LED_1# LED_2# C003 C004 R004 2K 1/10W R005 1K 1/10W 1nF 50V 1nF 50V SGND SW001 (2.0K) 1.435V LBADC2 1.042V DOWN (2K) 1.042V LBADC1 MENU (1K) -
Page 31: Usb Board
6.4 USB Board 715G3501 2 CN501 FB501 CN502 CONNNECTOR C501 C502 C503 CONN 5PF / 50V 5PF/50V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size G3501-A-X-X-1-090113 TPV MODEL 絬 隔 瓜 絪 腹 Key Component USB PLUG(UP STREAM) PCB NAME... - Page 32 715G2663T01001001S CN512 CONNNECTOR CN511 63365 5P 2.0mm T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size G2663-2-X-1-081024 TPV MODEL 絬 隔 瓜 絪 腹 Key Component USB PLUG(DOWN STREAM) PCB NAME 715G2663-2 称 爹 Friday , October 24, 2008 Sheet Date...
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Page 33: Pcb Layout
7. PCB Layout 7.1 Main Board 715G3225 1 2... -
Page 36: Power Board
7.2 Power Board Adapter Board: 715G2892P01020001M... - Page 39 Converter Board: 715G3918P03000004L...
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Page 40: Key Board
7.3 Key Board 715G4007K01000004F... -
Page 41: Usb Board
7.4 USB Board 715G3501 2... - Page 42 715G2663T01001001S...
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Page 43: 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 44: 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 the power board and check connections Replace main board and check connections Replace key board and check connections... - Page 45 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the power The end board and connection Replace the main The end board and connection Check the LVDS/FFC Replace the LVDS/FFC cable or panel cable or panel...
- Page 46 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 47 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 48: 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 49 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 50: Monitor Exploded View
10. Monitor Exploded View... - Page 51 Description BEZEL WV PANEL POWER BOARD MAIN BOARD USB BOARD USB BOARD KEY BOARD MAINFRAME E941S EAR PHONE STAND REAR COVER KEY PAD KEY PAD HOLDER HINGE STAND STAND COVER BASE-941 Part No. Description FOOT 0M1G 130 5120 SCREW(MAINFRAME/PANEL) WEB CAM COVER 0D1G1030 8120 SCREW(MB&PB/MAINFRAME) SPEAKER...
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Page 52: Bom List
SCREW 0Q1G1030 8120 SCREW 708G8049 CP AOC 40(2268) Q50G 4 10 TIE (Y1900221) Q52G 1185 99 BIG CARTON TAPE FOR AOC 708G804901S AOC 40(2394) Q45G 77 5 PE PACKING (Y1900241) Q50G 4 10 TIE (Y1900221) Q52G 1185 99 BIG CARTON TAPE FOR AOC... - Page 53 BEZEL WV M037 Q37G0196012 HINGE Q40G0003615A53 LABEL -USB LABEL 27WX12H MM Q40G0003615A60 LED POP LABEL Q40G0003615A78 LABEL (WIN7+SILVER EPEAT+EPA+TCO5.0+SRS) Q41G78S161546A E941SWA,2341SA QSG Q44G8049101 Q44G8049201 Q44G8049615 4B CARTON Q45G 88609129 EPE BAG E09503 S95G176T10521 FFC CABLE 10P 211MM P0.5 089F800021110H 0.5*10P*211MM 4/2.5 6/4 044F3231SMJ015 W=5*20*0.15...
- Page 54 040G 58162435A P/N LABEL FOR MANUAL PE BAG 040G 581689 4A BARCODE LABEL FOR 1 Q40G 18N61518A RATING LABEL Q40G000161515A CARTON LABEL 040G 45762412B CBPC LABEL CN406 033G3802 6B Y CONN 6PIN 2.0 CN404 033G3802 9B Y CONNECTOR 9P 2.0 CN101 088G 35315F XH HF D-SUB 15PIN VERTICAL CONN WITH SCREW...
- Page 55 R451 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R450 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R449 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R405 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R117 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN...
- Page 56 R433 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R417 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R118 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R710 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R471 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y...
- Page 57 R407 061G0402392 JF RST CHIPR 3.9KOHM +-5% 1/16W FENGHUA R428 061G0402392 JT RST CHIP R 3K9 +/-5% 1/16W TZAI YUAN R427 061G0402392 JT RST CHIP R 3K9 +/-5% 1/16W TZAI YUAN R407 061G0402392 JT RST CHIP R 3K9 +/-5% 1/16W TZAI YUAN R120 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA...
- Page 58 C401 065G040210412K CAP 0402 0.1UF 10% 16V X7R C417 065G040210412K CAP 0402 0.1UF 10% 16V X7R C709 065G040210412K CAP 0402 0.1UF 10% 16V X7R C703 065G040210412K CAP 0402 0.1UF 10% 16V X7R C701 065G040210412K CAP 0402 0.1UF 10% 16V X7R C441 065G040210412K CAP 0402 0.1UF 10% 16V X7R...
- Page 59 C407 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C406 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C401 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C102 065G040222031J CAP CHIP 0402 22PF J 50V NPO C102 065G040222031J CAP CHIP 0402 22P 50V NPO +/-5% C408 065G040222415K NO-SUGGEST 0402 0.22UF K 16V X5R...
- Page 60 C442 065G080547525K CHIP 4U7 25V X5R 10% C443 065G080547525K CHIP 4U7 25V X5R 10% C430 065G080547525K CAP MLCC 0805 4.7UF K 25V X5R C442 065G080547525K CAP MLCC 0805 4.7UF K 25V X5R C443 065G080547525K CAP MLCC 0805 4.7UF K 25V X5R FB408 071G 56K121 CHIP BEAD...
- Page 61 C503 065G0603104 12 CER2 0603 X7R 16V 100N P C501 065G060350931J CAP CHIP 0603 5PF J 50V NPO C502 065G060350931J CAP CHIP 0603 5PF J 50V NPO FB501 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012-120T-LF 709G3501 QS001 CONSUMPTIVE ASS'Y 715G3501 2 USB PCB 18X40X1.6MM FR-1 S/S 1OZ USB9QA7...
- Page 62 L906 073G 253 91 H IND CHOKE 3.5UH+-10% DADONG L905 073G 253 91 L CHOKE BY LI TA L906 073G 253 91 L CHOKE BY LI TA L907 073G 253191 H IND CHOKE 1.1UH DADON T901 080GL22T 3 N1 X'FMR 490UH YUVA-1093 T901 080GL22T 3 S1 X'FMR 490UH...
- Page 63 R606 061G06031002FY RST CHIPR 10KOHM +-1% 1/10W YAGEO R918 061G06031002FY RST CHIPR 10KOHM +-1% 1/10W YAGEO R602 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN R603 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN R604 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN R605 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN...
- Page 64 R934 061G12062003FT RST CHIPR 200KOHM +-1% 1/4W TZAI YUAN R908 061G1206204 JF RST CHIPR 200KOHM +-5% 1/4W FENGHUA R917 061G1206330 JF RST CHIPR 33 OHM +-5% 1/4W FENGHUA R917 061G1206330 JT RST CHIP R 33OHM 1/4W +/-5% R913 061G1206519 JT RST CHIPR 5.1 OHM +-5% 1/4W TZAI YUAN R933 061G12066804FF...
- Page 65 IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 BY AAC IC903 056G 158 12 KIA431A-AT/P TO-92 Q904 057G 530503 T 2SD1207T Q904 057G 761 16 TRA KTD1028 KEC R906 061G152M10452T NO-SUGGEST RST MOFR 100KOHM +-5% 2WS R906 061G152M10452T XZ RST MOFR 100KOHM +-5% 2WS XIANZHENG R924 061G152M33852T RST MOFR 0.33 OHM +-5% 2WS...
- Page 66 J604 095G 90 23 JUMPER WIRE J806 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J905 095G 90 23 JUMPER WIRE J906 095G 90 23...
- Page 67 NO-SUGGEST RST CHIPR 120KOHM 1/10W R805 061G0603124 JY YAGEO R824 061G06033902FY RST CHIP 39K 1/10W 1% R842 061G06035602FY RST CHIPR 56KOHM +-1% 1/10W YAGEO R804 061G06035602FY RST CHIPR 56KOHM +-1% 1/10W YAGEO R822 061G0805105 JT RST CHIP 1M 1/8W 5% TZAI YUAN R825 061G1206000 JF RST CHIPR MAX0R05 1/4W FENGHUA...