AOC e2050Sda Manual de Serviço

20" LCD Monitor AOC e2050Sda 1

10 5 Press two times to exit.

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

12 Press two times to exit.

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

14 Press two times to exit.

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

16 5 Press two times to exit.

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

18 5 Press two times to exit.

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

2 Revision List Version Release Date Revision History TPV Model Name A00 Aug.-12-2011 Initial release TAB2N26EAGA1DNE TABMN26EAGA1DNE TABGN26BAGA1DNE

20 5 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 Exit

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

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 r

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 LM200WD3-TLC1 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode

27 Note : 1. The specified current and power consumption are under the VLCD=5.0V, 25  2°C,fV=60Hz condition whereas mosaic pattern(8 x 6) is displa

28 4.3.4 Optical Characteristics Ta= 25°C, VLCD=5.0V, fV=60Hz fCLK=54.0MHz, IBL=110mA

29 5. Block Diagram 5.1 Main Board PB[0..9]03.DVI INPUT03.DVI INPUTRX0+RX0-RX1-RX1+RX2+RX2-RXC-RXC+DDCSCL2DDCSDA2DVI_CABLE_DETEDID_WP+5VDVI_HPDAdj_B

3 Important 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 14.5V EMI filter Start Resistor (R908,R911) PWM Control LD7576AGR (U901) Bridge Rectifier an

31 6. Schematic 6.1 Main Board 715G4502M01000004C BIN0-BIN0GIN0HSIN0VSIN0 DDCSDA_ADDCSCL_ACN101D-SUB 15P16273849511121314151017 16BIN0DET_VGAC18222P

32 DVI_HPD 5ESD_DVIDVI5VESD_DVIEDID_WPDAT1-DAT2-DAT1+DAT0+DAT0-DCLK-DCLK+SDA_DVISCL_DVIDET_DVIHPDDAT2+R128 100R 1/16W 5%R129 100R 1/16W 5%OEM MODEL S

33 OEM MODEL SizeRevDateSheet ofTPV MODELPCB NAME称爹T P V ( Top Victory Electronics Co . , Ltd. )Key Component絬 隔 瓜 絪 腹DUAL BOTSC5 7Mond

34 C434100N 16VVLCD 7PB[0..9]5PA[0..9]5RXEC-RXEC+VLCDRXOC+RXOC-LVB1PPB6LVB2MPB5LVB1MPB7LVB3PPB0LVB3MPB1LVBCKPPB2LVBCKMPB3LVB2PPB4PB[0..9]LVB0PPB8LVB0

35 C718100N 16VTO-252TO252R723NC/4K7 1/16W 5%DIMON/OFFPS_EN 5VCC3.3FB7010 OHM +-5% 1/8WR717NCR720NCCN702NC/CONN123456DIMON/OFFR725NCR724NCR79910K 1/1

36 6.2 Power Board Adapter 715G4744P01000001C CN903CONN1234+5V180GL22T-3ADD C906+C907A47uF M 450VэDIP 1/2W!!!OEM MODEL SizeRevDateSheet ofTPV MODELPC

37 Converter 715G4013P01002004S CN807CONN12345678C8030.22uf 50VC811 100pF 50VC8100.47uF 50V+12VC801470N 25VR80720K 1/10WL80133uHOVPF8010R05 4A 1/4WR8

38 7. PCB Layout 7.1 Main Board 715G4502M01000004C

39

4 1.Monitor Specifications

40 7.2 Power Board Adapter 715G4744P01000001C

41 Converter 715G4013P01002004S

42 7.3 Key Board 715G4747K02000001C

43 8. Maintainability 8.1 Equipments and Tools Requirement 1. Voltmeter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an IBM Compati

44 8.2 Trouble Shooting 1.No Power OK NG No power Check power cable is tightened? Check Power “On/Off” is “On”? Re-plug t

45 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power button is OK? Check the LVDS/FFC cable or pan

46 3. DIM OK The end OK The end OK The end DIM (image overlap, focus or flicker) Reset in factory mode Set to the optima

47 4. Color is not optimal NG Color is not optimal Miss color Color shift Replace the signal cable Pull out the signal cabl

48 9.White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to s

49 B. Adjust Normal (7300K) color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel

5 2.LCD Monitor Description The LCD monitor will contain a main board, an adapter board, a converter board and a key board which house the flat panel

50 10. Monitor Exploded Views

51 11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv

52 Q40G 58162435A LABEL Q45G 76 28 H A PE BAG FOR MANUAL Q50G 4 10 TIE (Y1900221) Q52G 1185 99 TAPE Q

53 E08901 089G404A15N IS AC POWER CORD 1500 2nd source H26G 800504 2B barcode H40G 18N61562A e950Sw INA ID LABEL H40G0002615 9A e2050S

54 808GE2050SDATPE E2050SDA Chinese Taipei ASS'Y E08904 089G 173 56 4B AUDIO CABLE E08902 089G 715CAAE01 SIGNAL CABLE 2nd source E08902

55 U601 056G 616 85 AUDIO APA2603JI-TUG 3W DIP-16 NR901 061G 5810T RST NTCR 8 OHM +-20% 4A 13mm THINKING C908 063G107K474 6S 0.47UF +-10%

56 0M1G 930 8120 SCREW 3x8 HS3 090G6084 1 GP HEAT SINK D906 093G 60507 SCHOTTKY SRF1060 C0 10A 60V ITO-220AB 0M1G 93

57 R912 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN R929 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN R930 061G1206101 JT RST

58 709G4744 HS001 CONSUMPTIVE ASS'Y C807 067G 415479 9K EC 4.7UF 20% 100V ED 8*12 C809 067G315M1016KV EC 100UF 20% 35V 8*7 CN802 311

59 R136 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R135 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R134 061G0402100 JT RST CHIP 10R 1/1

6 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 fro

60 R454 061G0402223 JT RST CHIP 22K 1/16W 5% TZAI YUAN R133 061G0402223 JT RST CHIP 22K 1/16W 5% TZAI YUAN R116 061G0402223 JT RST CHIP 22K 1/1

61 C115 065G040210412K Y CAP 0402 100NF 10% 16V X7R C117 065G040210412K Y CAP 0402 100NF 10% 16V X7R C118 065G040210412K Y CAP 0

62 ZD102 093G 39GA01 T RLZ5.6B 709G4502 HS001 COMSUPTIVE ASS'Y 715G4502M01000004C MAIN BOARD PCB H52G1701 1 MESH PRINTTI

63 J812 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J607 095G

64 R812 061G1206308 JT RST 1206 0.3R 5% 1/4W C806 065G060310131J Y CAP CHIP 0603 100P 50V NP0 +/-5% C802 065G060368332K Y CHIP 0603 6

7 1. Power 2. Analog (DB-15 VGA cable) 3. DVI 4. Audio To protect equipment, always turn off the PC and LCD monitor before connecting. 1

8 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 na

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