AOC i2352Vh User Manual

23" LCD Color Monitor AOC I2352VH Service Service Service

10

11

12

13

14

15

16

17

18

19

2Revision List Version Release Date Revision History TPV Model Name A00 Nov.25.2011 Initial release HDBGNZ6FAYUHDN HDBGNT6BAYK2HN HDBGNT6BAYK2DN

20

214. Input/Output Specification 4.1 Input Signal Connector

22

234.2 Factory Preset Display Modes

244.3 Panel Specification 4.3.1 General Features LM230WF3 is a Color Active Matrix Liquid Crystal Display with a Light Emitting Diode (White LED)

25 4.3.4 Optical Characteristics (Ta=25 °C, VLCD=5V, fV=60Hz Dclk=144MHz, IBL=110mA)

265. Block Diagram 5.1 Main Board 06.AUDIO6.AUDIOVolumeMuteAOUT_RAOUT_LAIN_LAIN_R+5V_SBAudio_SD05.PANEL INTERFACE5.PANEL INTERFACEVLCDPA0PA1PA2PA3

275.2 Power Board Adapter Board: Converter Board: 5V EMI filter Start Resistor (R905,R908,R909) PWM Control (IC901) Transformer AC

28 6. Schematic 6.1 Main Board 715G4641M01000004K DET_DVIC103 47NF 16VC11222P 50VC1

29 R160NC/10K 1/16W 5%HDMI1_+5VDET_HDMIR162100R 1/16W 5%HDMI1/D0-HDMI_SCLHDMI1/D2+HD

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

30 R464NC/0R05 1/16WR465NC/0R05 1/16WPB9C41610uF 16V123456CN404NC/CONNR423NC /0R05

31 C436100N16VVLCD 8VLCD+C435100uF/16VPB6 LVBCKMPB5 LVB2PPB7 LVBCKPPB0 LVB0MPB1 LVB0

32 Modify 2011/01/0812345CN605NC/CONNR621 100R 1/10W 5%OUTRMUTE5Volume8+C620220uF/16

33 ADJ/GND1OUTPUT2INPUT3U704AZ1117D-1.8-E1PD6OEM MODELSizeRevDateSheetofTPV MOD ELPC

34 6.2 Power Board Adapter Board: 715G4750P02000001S C9252N2 500V123CN904CONN12HS1HE

35 Converter Board: 715G4711P01001004S R80433K 1/10W 1%+C8104.7UF 100VQ801AOD482ENAC

36 6.3 Key Board 715G4851K02000001S MENULBADC2LED_1#DOWNDC_POWERON132UBSURLED0011234

37 7. PCB Layout 7.1 Main Board 715G4641M01000004K

38 7.2 Power Board Adapter Board: 715G4750P02000001S

39

41. Monitor Specifications

40 Converter Board: 715G4711P01001004S

41 7.3 Key Board 715G4851K02000001S

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

43 8.2 Trouble Shooting 1. No Power OK NG No power Ch

44 2. No Video (Power LED Green) No Video (Power LED Green

45 3. DIM OK The end OK The end OK The end DIM (imag

46 4. Color is not optimal NGColor is not optimalMiss co

47 9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for wa

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

49 10. Monitor Exploded View

52. 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 pane

50 No. Description 1 BEZEL L23W-U52 2 KEY 3 LENS 4 INSULATING SHEET 5 INSULATING SHEET 6 MAI

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

52 004F061212T 00 WASHER 004F061210T 01 METAL WASHERS12.0*4.72*1.0T 004F061210M 00 METAL

53 C619 067G315M2213HV EC 220UF 20% 16V 6.3*7 C601 067G315M2213HV EC 220UF 20% 16V 6.3*7

54 R622 061G0402000 JT RST CHIPR MAX0R05 1/16W TZAI YUAN R443 061G0402000 JT RST CHIPR M

55 R631 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R607 061G0402103 JT RST CHIP 10K

56 R159 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R158 061G0402470 JT RST CHIP 47R

57 C429 065G040210412K T CAP CHIP 0402 100NF 16V X7R C436 065G040210412K T CAP

58 C111 065G040222031J 3 CAP CHIP 0402 22P 50V NPO +/-5% C112 065G040222031J 3

59 C403 065G080510615K M CAP CHIP 0805 10UF K 16V X5R C402 065G080510615K M CA

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 FB106 071G 59G301 EM CHIP BEAD 0603 300R 25% 200MA FB103 071G 59K190 TA CHIP BEAD 060

61 NR901 061G 58100MEW NTCR 10R 20% 4W C905 063G107K224 UM X2 CAP 0.22UF K 275VAC C90

62 705GQB93072 D903 ASS'Y D903 093G 60330 SCHOTTKY MBRF20100CT 20A 100V ITO-220AB

63 R902 061G1206470 JI RST 47 OHM 5% 1/4W TA-I R914 061G1206470 JT RST CHIPR 47 OH

64 IC903 056G 158 10 T LDO IC AZ431AZ-AE1 TO-92 150MA 40V TO-92 IC903 056G 563354 SHU

65 J906 095G 90 23 JUMPER WIRE J905 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER W

66 R830 061G06031008FI RST 0603 1R 1% 1/10W TA-I R828 061G06031008FI RST 0603 1R 1% 1/10

67 C812 065G080510131J M CAP CHIP 0805 100PF J 50V NPO C801 065G080510432K 3 C

73.3 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

8

9