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18.5" LCD 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 Buttons and Connections...............................6
3.3.OSD Setting............................................................8
4.Input/Output Specification.....................................18
4.1.Input Signal Connector..........................................18
4.2.Preset Display Modes...... ..........................19
4.3.Panel Specification...........................................20
5.Block Diagram............................................................22
5.1.Main Board....................................................22
5.2.Power Board..................................................23
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
R FOR TH
Table of Contents
Page Description
6.Schematic..........................................................24
6.1.Main Board.......................................................24
6.2.Power Board....................................................28
6.3.Key Board....................................................30
7.PCB Layout.........................................................31
7.1.Main Board......................................................31
7.2.Power Board.....................................................34
7.3.Key Board........................................................36
8.Maintainability.....................................................37
8.1.Equipments and Tools Requirement..................37
8.2.Trouble Shooting.............................................38
9.White-Balance,Luminance Adjustment...............42
10.Monitor Exploded View......................................44
11.BOM List......................................................45
SAFETY NOTICE
1
AOC e950Swnk
Horizontal Frequency
30 - 60kHz
Page
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Summary of Contents for AOC e950Swnk
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Page 1: Table Of Contents
18.5" LCD monitor AOC e950Swnk Service Service Service Horizontal Frequency 30 – 60kHz Table of Contents Description Page Description Page Table of Contents…………………..…………………..…...1 6.Schematic…………..….........24 Revision List.…...........……..2 6.1.Main Board..…….…...........24 Important Safety Notice.….…......……..3 6.2.Power Board..……….........28 1.Monitor Specification......………....4 6.3.Key Board..……….........30 2.LCD Monitor Description……….……………………..5 7.PCB Layout..………..........31... -
Page 2: Revision List
Revision List Version Release Date Revision History TPV Model Name T8A2R92BAGA2NNE T8A2R92BAGA5NNE T8C1R92BAGA7NNE T8C1R92BAGA1NNE Initial release Feb.-21-2013 T8C1R92BAGA3NNE T8A2R92BAGACNNE T8A2R92BAGA3NNE T8AWR92BAGA2NNE... -
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, a power board, and a key board which house the flat panel control logic, brightness control logic and DDC. The power board 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 (See Figure ). By changing these settings, the picture can be adjusted to your personal preferences. * The power cord should be connected. - Page 7 1. AC port 2. VGA 3. DVI (available for selected models) 4. HDMI(available for selected models) 5. Audio(available for selected models) To protect equipment, always turn off the PC and LCD monitor before connecting. 1. Connect the power cable to the AC port on the back of the monitor. 2.
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Page 8: Osd Setting
3.3 OSD Setting Basic and simple instruction on the control keys. 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 it . press - or + to navigate through the sub-menu functions. Once the desired function is highlighted, press MENU-button to activate it. - Page 9 Luminance 1 Press (Menu) to display menu. 2 Press - or + to select (Luminance), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 10 Image Setup 1 Press (Menu) to display menu. 2 Press - or + to select (Image Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 11 Color Setup 1 Press (Menu) to display menu. 2 Press - or + to select (Color Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 12 Picture Boost 1 Press (Menu) to display menu. 2 Press - or + to select (Picture Boost), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 13 OSD Setup 1 Press (Menu) to display menu. 2 Press - or + to select (OSD Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 14 Extra 1 Press (Menu) to display menu. 2 Press - or + to select (Extra), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 15 Exit 1 Press (Menu) to display menu. 2 Press - or + to select (Exit), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
- Page 16 Orange or red e-Saver Welcome to use AOC e-Saver monitor power management software! The AOC e-Saver features Smart Shutdown functions for your monitors, allows your monitor to timely shutdown when PC unit is at any status (On, Off, Sleep or Screen Saver);...
- Page 17 Screen+ Welcome to "Screen+" software by AOC, Screen+ software is a desktop screen splitting tool, it splits the desktop into different panes, each pane displays a different window. You only need to drag the window to a corresponding pane, when you want to access it. It supports multiple monitor display to make your task easier. Please follow the...
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Page 18: Input/Output Specification
4. Input/Output Specification 4.1 Input Signal Connector Analog connector... -
Page 19: Preset Display Modes
4.2 Preset Display Modes... -
Page 20: Panel Specification
4.3 Panel Specification 4.3.1 General Features M185BGE-L22 is a 18.5” TFT Liquid Crystal Display module with WLED Backlight unit and 30 pins 1ch-LVDS interface. This module supports 1366 x 768 HD mode and can display up to 16.7M colors. The converter module for Backlight is not built in. - Page 21 Back Light Unit Ta = 25 ± 2 º C 4.3.4 Optical Characteristics 25 ± 2 º C...
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Page 22: Block Diagram
04.Output 05.Power 03.Scalar T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC 50 ID(1A) 絬 隔 瓜 絪 腹 715G4737-M0B-000-0040_101028 TPV MODEL AOC 50 ID(1A) Key Component 01.Top PCB NAME 715G4737-M0B <称爹> 称 爹... -
Page 23: Power Board
5.2 Power Board 715G4744P01003001M Transformer Rectifier Bridge 14.5V EMI filter (T901) Rectifier diodes and Filter Start Resistor (R908,R911) Feedback PWM Control Circuit Power Switch LD7576AGR (U901) (Q901) Regulator Photo coupler (U902) (IC903) L801 D801 14.5V C809 MOSFET (Q801) (CN803) PWM Control ON/OFF OZ9998BGN (U801) -
Page 24: Schematic
Q407 LMBT3904LT1G EDID_CTRL T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC 50 ID(1A) 絬 隔 瓜 絪 腹 715G4737-M0B-000-0040_101028 TPV MODEL AOC 50 ID(1A) Key Component 02.Input PCB NAME 715G4737-M0B 称 爹... - Page 25 For user data, WB, EDID, HDCP are saved in VCC3.3 VCC1.2 AVDD Flash. VCC3.3 AVDD FB401 U402 VCC3.3 30OHM VCTRL 010A Befor AOC ID2007 OSD LDO_CTL C403 C404 TXE3+ 100N16V 100N16V 020A For ID2008 ID2009 DSUB_R+ TXE3- DSUB_R- PA[0..1] DSUB_G+ PA[0..1]...
- Page 26 120OHM C421 100UF 16V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC 50 ID(1A) AO3401A 絬 隔 瓜 絪 腹 715G4737-M0B-000-0040_101028 TPV MODEL AOC 50 ID(1A) Key Component 04.Output PCB NAME 715G4737-M0B 称...
- Page 27 U404 can use package 223 or 252. T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC 50 ID(1A) 絬 隔 瓜 絪 腹 715G4737-M0B-000-0040_101028 TPV MODEL AOC 50 ID(1A) Key Component 05.Power PCB NAME 715G4737-M0B 称...
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Page 28: Power Board
6.2 Power Board 715G4744P01003001M R929 100 OHM 1/4W BD901 C916 C928 F801 KBP208G R930 100 OHM 1/4W 2N2 500V 2N2 500V 0R05 1/4W +14.5V R903 100 OHM 1/4W R904 ZD901 250OHM2W MTZJ T-72 16B 80GL22T-3 C918 680UF/25V T901 D901 POWER X'FMR SR515 R905 470OHM +-5% 1/8W... - Page 29 FB802 D801 L801 CN803 +14.5V C801 47UH BEAD Q801 330uF 25V R804 C814 SK310B 100N 50V 10 OHM 1/8W APM8005KCTRG R801 C810 R815 10K 1/8W 0.47UF 50V R819 R820 R821 R822 160K 1/8W NC/CONN ON/OFF R814 10 OHM 1% 1/4W R802 C809 R805...
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Page 30: Key Board
6.3 Key Board 715G4747K02000001C LED001 CN001 LBADC1 R001 2KOHM 1% 1/10W LBADC2 DC_POWERON R002 0R01 1/10W LED_1# LED_2# C001 C002 R003 2KOHM 1% 1/10W R004 1K 1/10W NC/0.1uF 50V NC/0.1uF 50V Wire Harness SGND SW005 SW004 SW003 SW002 SW001 AUTO(2.0K) 1.118V LBADC1 DOWN... -
Page 31: Pcb Layout
7. PCB Layout 7.1 Main Board 715G4737M01001004I... -
Page 34: Power Board
7.2 Power Board 715G4744P01003001M... -
Page 36: Key Board
7.3 Key Board 715G4747K02000001C... -
Page 37: 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 38: 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 converter board Replace main board and check connections Replace key board and check connections... - Page 39 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the converter The end board 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 40 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 41 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 42: 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 simple use “SC” key and “NEXT” Key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust . - Page 43 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±20，y=297±20 4.
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Page 44: Monitor Exploded View
10. Monitor Exploded Views item part name Q'TY 1 A34G2528* bezel 2 A33G1181* function buttion 3 A33G1182 1* power lens 4 Q52G1801MNT160CFLTmylar 5 A15G1586 main frame 6 A15G1587101 hinge plate 7 A34G2529* rear cover 8 A37G0241011 hinge 9 A33G1183* stand 10 A34G2530* stand cover 11 A34G2531... -
Page 45: Bom List
CD MANUAL for 50s all Models KEPCAHB5 KEY BOARD PLPCB9431AHD1 POWER BOARD Q45G990161940200BX PROTECT BAG Q50G 4 10 TIE (Y1900221) M05201 Q52G100202500A00JY AL FOIL M05203 Q52G100204500A00JY AL FOIL M05202 Q52G100204500A00JY AL FOIL Q52G1301024A0100YY BIG CARTON TAPE FOR AOC 60MM Q52G1801MNT160CFLT INSULATING SHEET... - Page 46 Q52G6019 14 TAPE E09501 S95G179T30P9C FFC CABLE 1.0MM 180MM 30PIN 040G 58162461A EPA LABEL 756GHCCB A5007 MAIN BOARD-CBPCBR9A1H5 SMTCC-U402 100GARM8006W11 MCU ASS'Y-056G2233501 CN408 033G3802 6B Y WAFER CN404 033G3802 9B Y CONN 2.0 9P CN403 033G801930F CH FFC CONN 1.0mm 30P R/A 34mm 6mm CN101 088G 35315FVDL D-SUB CONN 15P FEMALE V/T WITH SCREW...
- Page 47 Q901 057G 667941 MOSFET P0765ATF 7 650 TO-220F 090G6064 1 HEAT SINK 0M1G 930 8120 SCREW 3x8 055G 23524 WELDING FLUX WITHOUT PB Q51G 6 4509 GLUE_RTV Q55G 100625 TIN STICK_LOW ARGENTUM U901 056G 379529 AC/DC CONVERTER IC LD7576AGR SOP-7 U801 056G 700 11 LED DRIVER OZ9998BGN-A1-0-TR SOP-16...
- Page 48 R911 061G1206103 JF RST CHIPR 10KOHM +-5% 1/4W FENGHUA R908 061G1206103 JT RST CHIPR 10KOHM +-5% 1/4W TZAI YUAN R913 061G1206109 JT RST CHIPR 1 OHM +-5% 1/4W TZAI YUAN R812 061G12062007FT RST 1206 0.2R 1% 1/4W SMD12060R2 R813 061G12062007FT RST 1206 0.2R 1% 1/4W SMD12060R2 R923 061G1206221 JT...
- Page 49 J815 095G 90 23 JUMP WIRE - - J901 095G 90 23 JUMP WIRE - - J902 095G 90 23 JUMP WIRE - - J903 095G 90 23 JUMP WIRE - - J904 095G 90 23 JUMP WIRE - - J905 095G 90 23 JUMP WIRE - -...
- Page 50 J803 095G 90 23 JUMP WIRE - - J802 095G 90 23 JUMP WIRE - - J801 095G 90 23 JUMP WIRE - - C922 367G415X4713AT EC 470uf 20% 16V 10X13 RS C918 367G415X6814AT EC 680uf 20% 25V 10x20 RS 709G4744 HA001 CONSUMPTIVE ASS'Y E715...
- Page 51 R439 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R437 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R435 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R433 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R414 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN...
- Page 52 C403 065G040210412K CAP CHIP 0402 100nF K 16V X7R C406 065G040210412K CAP CHIP 0402 100nF K 16V X7R C407 065G040210412K CAP CHIP 0402 100nF K 16V X7R C413 065G040210412K CAP CHIP 0402 100nF K 16V X7R C414 065G040210412K CAP CHIP 0402 100nF K 16V X7R C415 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
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