AOC e2250Sw Servisní příručka

21.5" LCD Monitor AOC e2250Sw 1Service Service Service

10 5 Press two times to exit.

11Image Setup 1 Press (Menu) to display menu. 2 Press or to select (Image Setup), and press to enter. 3 Press or to select sub

125 Press two times to exit.

13Color Setup 1 Press (Menu) to display menu. 2 Press or to select (Color Setup), and press to enter. 3 Press or to select sub

145 Press two times to exit.

15Picture Boost 1 Press (Menu) to display menu. 2 Press or to select (Picture Boost), and press to enter. 3 Press or to select su

165 Press two times to exit.

17OSD Setup 1 Press (Menu) to display menu. 2 Press or to select (OSD Setup), and press to enter. 3 Press or to select submenu, a

185 Press two times to exit.

19Extra 1 Press (Menu) to display menu. 2 Press or to select (Extra), and press to enter. 3 Press or to select submenu, and pre

2Revision List Version Release Date Revision History TPV Model Name A00 Jun.-07-2011 Initial release TIBARV2QAGA42NE TIBARV2QAGA14NE TIBARV2QAGA

205 Press two times to exit.

21 Exit 1 Press (Menu) to display menu. 2 Press or to select (Exit), and press to enter. 3 Press two times to exit

22LED Indicators Status LED Color Full Power Mode Green or Blue Active-off Mode Orange or red e-Saver Welcome to use AOC e-Saver monito

23 Question Answer e-sensor no power 1. Into the factory mode，set Burn in to OFF; 2. Set e-sensor to ON. interface show e-sensor The detecting ra

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

25 4.2 Preset Display Modes

26 4.3 Panel Specification 4.3.1 General Features The M215HW01 model is a 21.5 inch wide TFT-LCD module with LED Backlight Unit and a 30-pin 2ch-LV

27 Note 1: LVDS Signal Waveform

28 LED array electrical characteristics Note (1) The LED can work normally if the PWM dimming ratio range is from 0% to 100% and the operation cur

29 5. Block Diagram 5.1 Main Board 04.Output04.OutputPPWR_ON#L/T_SCLL/T_SDACMVCCPA[0..1]PA[4..9]PB[0..9]PA[0..1]CMVCC1XGA/SXGA LVDS OUTPUTCMVCC1OE

3Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedur

30 5.2 Power Board AC input 14.5EMI filter Start Resistor (R908,R911) PWM Control LD7576AG

31 6. Schematic 6.1 Main Board 715G4737M01BRA004C VGA_PLUGU405FM24C02AA01A12A23GND4S

32 CMVCC1ZD402NC /MLVS0603M 041 2ZD404NC /MLVS0603M 041 2ZD403NC /MLVS0603M 041 2DSU

33 PB2PB[0..9]5PPWR_ON#51GR477300 OHM 1/4WPB4PB5PB0PB6CMVCC 72006-11-7 Add pull up 4

34 Q409MMBT2907AVCC3.3 4, 5R44110K 1/16W 5%Mut e 5adj_BACKLIGHT 5Volume# 5on_BACKLIG

35 6.2 Power Board 715G4744P01000001C CN903CONN1234+5V180GL22T-3ADD C906+C907A47uF M

36 OEM MOD ELSizeRevDateSheetofTPV MODELPCB NAME称爹T P V ( Top Victory Electr

37 7. PCB Layout 7.1 Main Board 715G4737M01BRA004C

38

39 7.2 Power Board 715G4744P01000001C

41.Monitor Specifications

40 7.3 Key Board 715G4747K01000001C

41 8. Maintainability 8.1 Equipments and Tools Requirement 1. Voltmeter. 2. Oscilloscope.

42 8.2 Trouble Shooting 1. No Power OK NG No power Check power cable is tightened? Check Pow

43 2. No Video (Power LED Blue) No Video (Power LED Blue) Press t

44 3. DIM OK The end OK The end OK The end DIM (image overlap, focus or flicker) Reset in

45 4. Color is not optimal NG Color is not

46 9. FOS Testing 9.1 Brightness Measurement Max. Brightness>250 cd/㎡(typ). Test conditio

47 Cross line 1. 1920 x 1080 (60 Hz) 2. Black pattern Half line 1. 1920 x 1080 (60 Hz

48 V-Strip 1. 1920 x 1080 (60 Hz) 2. Black pattern, Gray scale pattern, Red pattern, Green p

49 Gray scale failure 1. 1920 x 1080 (60 Hz) 2. Gray scale pattern Light leakage 1. 1920

52.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, bright

50 10. Firmware and DDC Instruction 11. Firmware and DDC Instruction 10.1Firmware Instructio

51 3. double-click Realtek_ISP_Tool_V2.2。 Step4: Program： 1. Run realtek_ISP_Tool_V2.2,in

52 3. Click “Flash Protect” and interface show dialog box，in turn, choice Value→High

53 5. Then, Click “Save Settings”, as below,

54 6. Show the interface as follows after press the icon： 7. It’s successfully if inte

55 10.2 DDC Instruction（For exemple：Philips 201B） Tool list: 1. DDC board:715GT03

56 Tool picture For VGA BURNING: DDC Board as the follow picture: Install software:

57 2. Click “Load file” and select as follow picture.

58 3. Click “ok” show as follow picture. 4.Input same SN twice and date. Click “Pragram”

59 5.Click “READ” show as follow picuture.If read SN is same as before inputing and model

63. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at fro

60 Appear fault as follow, please check the connection of LPT cable , Tool adapter cable and

61 11.White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for wa

62 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with pre

63 12.Mechanical Instructions 1. Put the monitor on the EPE pad. 2. Lay down the monitor an

64 3. Pinch the hook and remove the base. 4. Use fixture to leave off the stand.

65 5. Use fixture to remove the hinge cover. 6. Remove the screws of the stand.

66 7. Remove the screws of the back cover. 8. Overturn the monitor and the top towards to

67 9. Prize up the front frame use fixture. 10. Overturn the monitor and take off the back

68 11. According to the different defective area to take off the KEPC, light line, LVDS, Hex

69 （3）Remove the Hexagon screws. （4）Remove the LVDS.

7 1. Power 2. Analog (DB-15 VGA cable) To protect equipment, always turn off the PC and LCD monitor before connecting. 1 Connect the pow

70 （5）Overturn the iron plate and remove the screws, PWPC and CBPC.

71 12. Monitor Exploded Views

72 14. BOM List Note: The parts information listed below are for reference only, and are sub

73 CN408 033G3802 6B Y L WAFER CN404 033G3802 9B Y L CONN 2.0 9P CN403 03

74 HS1 090G6064 1 HEAT SINK 0M1G 930 8120 SCREW 3x8 HS3 090G6084 1 GP

75 C923 065G080510232K F CAP 0805 1000PF 10% 50V X7R C914 065G080510232K Y

76 R442 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R435 061G0402103 JT RST CHIP 1

77 C404 065G0402105A5K A CAP CHIP 0402 1UF K 10V X5R C412 065G040220031J Y

78 J809 095G 90 23 JUMPER WIRE J810 095G 90 23 JUMPER WIRE J811 095G 90 23

83.3 OSD Setting Basic and simple instruction on the control keys. 1) Press the MENU-button to activate the OSD window. 2) Press - or + to na

Luminance 1 Press (Menu) to display menu. 2 Press or to select (Luminance), and press to enter. 3 Press or to select submenu, a