AOC E941VA Monitor Service and Maintenance Manual

Page 28

Service Manual

AOCe941Series

6.4 Converter Board----715G3918-P02

N.C

R844

C811

N.C

Vout

CN801

CN803

+12V

F801 FUSE

L801

ZD801

R833

1 OHM 1/10W

CONN

5

R832

1 OHM 1/10W

12

4

R831

1 OHM 1/10W

22uH

3

Q801

B360B

+

+

R830

1 OHM 1/10W

C801

10

2

1

DIM

1

S2

D2

8

C803

C804

C810

9

100N 50V

2

7

100N 50V

100uF 50V

NC

8

G2

D2

3

6

R829

1 OHM 1/10W

7

S1

D1

4

5

6

G1

D1

CONN

ENA

5

AO4828L

1

PWM

STATUS

24

R828

1 OHM 1/10W

4

Dec-17-09 add

2

23

R827

1 OHM 1/10W

3

ISEN1

NC

R825

3

22

R826

1 OHM 1/10W

2

0R05 1/4W

R845

C814

4

ISEN2 SSTCMP

21

1

ISEN3

COMP

100 OHM 1/10W

100P 50V

R804

5

20

R813 10K 1/10W 5%

ISEN4

SEL

6

19

GNDA

VIN

7

18

R812

C805

ISEN8

GNDP

11

8

17

0.47uF 16V

ISEN6

VREF

R842

9

16

100 OHM 1/10W

27KOHM +-1% 1/10W

ISEN7

LDR

R801

R802

10

15

R810

150K +-1% 1/10W

OVP1

OVP

ISEN5

11

14

ISET

ISW

0.30 OHM +-1% 1/4W

12

13

C806

1K 1/10W 5%

RT

ENA

CN802

R805

120KOHM 1/10W

2U2 25V

0.30 OHM +-1% 1/4W

IC801

R808

5

R806

TA9690GN

NC

4

10K 1/10W 5%

R807

C807

3

10R 1/10W

2.2U16V

2

1

R809

100K 1/10W 5%

CONN

R814

+

10 OHM 1/10W

Vout

C813

100uF/50V

R822

1M 1/8W 5%

Iout

20mA

25mA

R804

56K

27K

R823

C812

R842

56K

150K

0R05 1/10W

OVP1

100N 50V

R815

56K

27K

R843

56K

150K

R824

43KOHM +-1% 1/10W

							B
T P V ( Top Victory Electronics Co . , Ltd. )		OEM MODEL			Size		B

絬隔瓜絪腹	G3918-P0F--000-X-2-091229	TPV MODEL		LNPC95361XYC1	Rev		3

Key Component	3.CONVERTER	PCB NAME		715G3918-P0F	称爹		ODM MODEL
					称爹		ODM MODEL
Date	Monday , January 04, 2010	Sheet		1 of 3

28

Image 28

Contents LCD 显示器维修手册 AOC e941VA /e941SA /e941SRevision List Contents LCD Specifications Product FeaturesTTL USB HUBFactory preset modes XGASxga WxgaControl Buttons Operation instructionDCR OSD User mode adjustment OSD Lock FunctionVGA 15pin Connector DVI ConnectorInterface description +5VDCUSB+ Audio in port General Specifications Electrical Absolute Ratings Panel FeatureElectrical Characteristics AOCe941Series LED Connector Optical SpecificationsLCD Block Diagram Block DiagramMainBoard Block Diagram 1e941VA---715G3737 2e941SA---715G3225 EMIIC-PWM MOS SETSoftware Flow Chart Software Flow ChartCircuit Schematic Main Board 1---715G3737-M01Detvga DVI-input/DDC Power part---5V/3.3V/1.8V Scarlar---Flash/key Output---LVDS connector Main Board 2---715G3225-1-2 Bladj BlonR101 TO252 AOCe941Series VSC Power Board 715G2892-P02---adapter 12V/5VConverter Board----715G3918-P02 Audio part 715G2892 P02 PhonejackKey Board 715G4007-K01 Explore Views AOCe941Series AOCe941Series PCB Layout MainBoard 1- 715G3737-M01AOCe941series Main Board 2---715G3225-1-2 AOCe941series PowerBoard 715G2892-P02 KeyBoard ---715G4007 Maintenance Trouble treatment Trouble Shooting Main Board---No PowerCheck flow chart For the no power Maintainability RequirementCheck flow chart For the no signalCheck flow chart No Backlight of panel Key Board---OSD no working Writing DDC program step AOCe941series AOCe941series BOM List Model：e941VA--T995NTNBWVK2PNJScrew AD91603YY1SMTJ Power Board for SMT Choke CoilChoke by LI TA AC SocketIC FAN6752MY SOP-8 RST Chipr MAX 0R05 1/10W FenghuaRST Chipr 1KOHM +-1% 1/10W Yageo RST Chipr 10KOHM +-1% 1/10W YageoAD91603YY1AIJ Power Board for AI EyeletIC AS431AZTR-E1 TO-92 TRA KTD1028 KECJumper Wire Rectifier Diode FR107LNPCA9361XYY1J Convertor Board PIN Header 2.54MM 2PRST Chip 1K 1/10W 5% Tzai Yuan RST Chipr 10K OHM +-5% 1/10W FenghuaRST Chip 100K 1/10W 5% Tzai Yuan RST Chipr 1 OHM +-5% 1/10W YageoConnector 9P Conn 6PINWafer RST Mofr 4.7 OHM +-5% 2WS FutabaRST Chipr 10 OHM +-5% 1/16W Fenghua RST Chip 10R 1/16W 5% Tzai YuanRST Chipr 100 OHM +-5% 1/16W Fenghua RST Chip 100R 1/16W 5% Tzai YuanRST Chipr 1KOHM +-5% 1/16W Fenghua RST Chip 1K 1/16W 5% Tzai YuanRST Chipr 10KOHM +-5% 1/16W Fenghua RST Chip 10K 1/16W 5% Tzai YuanTzai Yuan RST Chipr 470 OHM 5% 1/16W FenghuaRST Chip 470R 1/16W 5% Tzai Yuan RST Chipr 4.7KOHM +-5% 1/16W FenghuaAOCe941series CAP Chip 4U7 10V X7R Chip BeadDome Switch 5 PCS SMTKEPCAJA9 Diode LBAV70LT1G SOT-23 LRCRLZ5.6B RLZ 5.6B LldsModel：e941SA--T995NSNCWVA1UNJ Screw M3X6 CBPC9NWA1QHJRST Chipr 15KOHM +-1% 1/10W Yageo RST Chipr 1KOHM +-1% 1/8W YageoCN901 006G R906 061G152M10452T XZ RST Chipr SUB 15PIN SOC Subd H 15P FSUB 15PIN Vertical Conn with Screw SMTC9NWA1QHJ Main Board for SMTRST Chipr 0 OHM +-5% 1/16W Yageo RST Chipr 1KOHM +-5% 1/16W Yageo RST Chipr 10KOHM +-5% 1/16W YageoRST Chip 330R 1/16W 5% Fenghua RST Chip 390R 1/16W 5% FenghuaRST Chipr 56KOHM 1/16W Fenghua RST Chipr 56KOHM 1/16W Tzai YuanRST Chipr 75 OHM +-5% 1/16W Fenghua RST Chipr 75OHM +-5% 1/16W YageoAOCe941series X7R X5ROHM Bead BAV70 SOT23 by PAN JITJ44G9909101 Eps J44G9909201 J44G9909615 4A Model：e941S-- T9A2NS2DWVA4QNE ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1 Main BOARD-CBPCANSA1H1 SMTCA-U402PC123Y22FZOF Sharp AC Socket ST-01CP-BCE-RADA1603HD1AI Power Board for AI RST Chipr 10 Kohm +-1% 1/10W FenghuaRST Chipr MAX RST Chipr 1MOHM +-5% 1/4W Tzai YuanNO-SUGGEST RST Chipr MAX 0R05 OHM 1/16W NO-SUGGEST RST Chipr 100 OHM +-5% 1/16WNO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YA NO-SUGGEST RST Chipr 10KOHM +-5% 1/16W YNO-SUGGEST RST Chipr 330 OHM +-5% 1/16W NO-SUGGEST RST Chipr 75OHM +-5% 1/16W YAChip Bead 120OHM 6A MGLB2012-120T-LF Main Board PCBLED GPTD1210YGC3-HB KEY Board PCBAdapter Board PCB AC/DC Converter TA9690GN-A1-0-TR SOP-24RST Chip 1R 1/10W 5% Tzai Yuan RST Chip 120K 1/10W 5% Tzai YuanSchottky B3100B 3A 100V SMB CAP ChipConverter Board PCB

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