AOC E941VA, E941SA service manual R101

Page 23

Service Manual

AOCe941Series

5DDC_SCL

5DDC_SDA

 

 

R101 0402->0603

 

 

 

 

 

 

 

H_Sy nc

R101

0R05 1/10W

 

R102

100OHM1/16W

 

 

 

V_Sy nc

 

 

 

 

 

R103

100OHM1/16W

 

 

 

 

 

 

 

C102

R106

C103

 

 

 

 

 

 

R105

22pF

 

33pF

 

 

 

 

2K2 1/16W 5%

 

2K2 1/16W 5%

 

 

 

 

 

16

 

 

 

 

DSUB_5V

 

 

 

 

 

 

 

 

 

DSUB_5V 7

 

R110

100R 1/16W 5%

 

 

10

 

 

 

 

 

 

 

DSUB_SCL

15

 

5

 

VGA_PLUG

 

R118

10K 1/16W 5%

 

 

 

 

9

 

DSUB_5V

 

 

 

 

 

14

 

4

 

VGA_B-

 

2

2

 

 

 

 

 

8

 

 

 

 

 

 

 

13

 

3

 

VGA_B+

 

 

 

 

R113

100R 1/16W 5%

 

 

7

 

VGA_G-

 

ZD103

ZD104

 

 

DSUB_SDA

12

 

2

 

VGA_G+

 

RLZ5.6B

RLZ5.6B

 

 

 

 

 

6

 

VGA_R-

 

 

 

 

 

 

11

 

1

 

VGA_R+

 

1

1

 

 

 

 

17

CN101

 

 

 

 

 

 

 

 

 

DB15

 

 

 

 

 

 

D-SUB NC pin connect to GND

 

 

 

 

FB102

 

 

 

VGA_B+

1

2

R104

HSIN

5

 

 

BEAD

100R 1/16W 5%

 

 

 

 

VSIN

5

 

 

R107

C117

 

 

 

 

 

 

 

 

75R 1/16W 5%

NC

 

 

VGA_B-

 

R108

 

 

 

 

 

 

 

 

 

100R 1/16W 5%

 

 

 

 

 

R109

 

 

 

 

 

390 OHM 1/16W

 

 

 

 

FB103

 

VGA_DET 5

VGA_G+

1

2

R111

 

 

 

 

 

 

BEAD

100R 1/16W 5%

 

 

 

 

R112

C118

 

 

 

 

75R 1/16W 5%

NC

 

 

VGA_G-

 

R114

 

 

 

 

 

 

 

 

 

100R 1/16W 5%

 

 

 

 

FB101

 

 

 

VGA_R+

1

2

R115

 

 

 

 

BEAD

100R 1/16W 5%

 

 

 

 

R116

C119

 

 

 

 

75R 1/16W 5%

NC

 

 

VGA_R-

 

R117

 

 

 

 

 

 

 

 

 

100R 1/16W 5%

C101

0.047uF

C105

0.047uF

C106

1000pF

C107

0.047uF

C109

0.047uF

C110

0.047uF

C113

0.047uF

BIN+ 5

BIN- 5

SOGI 5

GIN+ 5

GIN- 5

RIN+ 5

RIN- 5

 

 

 

 

 

 

 

 

 

 

 

ESD_5V

 

 

 

 

1

U102

6

VGA_G+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O1 I/O4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGA_B+

2

GNDVDD

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

I/O2 I/O3

 

4

VGA_R+

 

 

C114

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AZC199-04S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ESD_5V

 

 

DSUB_SDA

1

U103

6

H_Sy nc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O1 I/O4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSUB_SCL

2

GNDVDD

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

I/O2 I/O3

 

4

V_Sy nc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C115

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AZC199-04S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ESD_5V 7

 

U101: M24C02-RMN6TP

Ext. edid

C116: 0.22uf

R119: 4.7K

 

 

D102: NC

 

R122: 0 ohm

Inte. edid

U101: NC

C116: NC

 

R119: NC

 

D102: NC(LG), BAV70(the others)

 

R122: NC(LG), 0 ohm(the others)

 

 

 

 

 

DSUB_5V

 

 

2

1

 

 

 

 

R122

 

 

 

 

 

 

 

 

D102

 

 

+5V

 

 

0R05 1/16W

 

 

 

 

 

 

 

 

NC/BAV70

 

5,6,7

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

1

 

 

 

 

3

 

 

 

 

D101

 

 

 

 

 

 

 

BAV70

 

5,6,7 5VCC

 

ESD_5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R119

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22K 1/16W 5%

 

 

 

 

R120

 

R121

 

U101

 

C116

 

4K7 1/16W 5%

4K7 1/16W 5%

 

 

 

 

 

 

8

VCC

A0

1

0.22U

 

 

 

 

7

2

 

 

DDC_SCL

 

 

WP

A1

 

 

 

 

6

3

 

 

 

 

SCL

A2

 

 

DDC_SDA

 

 

5

4

 

 

 

 

SDA VSS

 

5 DDC_WP

 

 

 

 

 

 

 

M24C02-RMN6TP

 

 

 

 

 

 

Change net to DDC_SCL,DDC_SDA

T P V ( Top Victory Electronics Co . , Ltd. )

OEM MODEL

Viewsonic

Size

B

絬 隔 瓜 絪 腹

G3225-A-2-X-8-090311

TPV MODEL

VA1913

Rev

E

Key Component

1.0.COVER

PCB NAME

715G3225-1

称爹

 

 

 

 

 

 

Date

Wednesday , December 02, 2009

Sheet

4 of 7

 

 

23

Page 22 Page 24
Image 23
Page 22 Page 24
Contents AOC e941VA /e941SA /e941S LCD 显示器维修手册Revision List Contents USB HUB LCD SpecificationsProduct Features TTLWxga Factory preset modesXGA SxgaDCR Operation instructionControl Buttons OSD Lock Function OSD User mode adjustment+5VDC VGA 15pin ConnectorDVI Connector Interface descriptionUSB+ Audio in port Electrical Characteristics Panel FeatureGeneral Specifications Electrical Absolute Ratings AOCe941Series Optical Specifications LED ConnectorMainBoard Block Diagram 1e941VA---715G3737 Block DiagramLCD Block Diagram SET 2e941SA---715G3225EMI IC-PWM MOSSoftware Flow Chart Software Flow ChartMain Board 1---715G3737-M01 Circuit SchematicDetvga DVI-input/DDC Power part---5V/3.3V/1.8V Scarlar---Flash/key Output---LVDS connector Bladj Blon Main Board 2---715G3225-1-2R101 TO252 AOCe941Series VSC 715G2892-P02---adapter 12V/5V Power BoardConverter Board----715G3918-P02 Phonejack Audio part 715G2892 P02Key Board 715G4007-K01 Explore Views AOCe941Series AOCe941Series MainBoard 1- 715G3737-M01 PCB LayoutAOCe941series Main Board 2---715G3225-1-2 AOCe941series PowerBoard 715G2892-P02 KeyBoard ---715G4007 Maintainability Requirement Maintenance Trouble treatmentTrouble Shooting Main Board---No Power Check flow chart For the no powerFor the no signal Check flow chartCheck flow chart No Backlight of panel Key Board---OSD no working Writing DDC program step AOCe941series AOCe941series Model：e941VA--T995NTNBWVK2PNJ BOM ListAC Socket Screw AD91603YY1SMTJ Power Board for SMTChoke Coil Choke by LI TARST Chipr 10KOHM +-1% 1/10W Yageo IC FAN6752MY SOP-8RST Chipr MAX 0R05 1/10W Fenghua RST Chipr 1KOHM +-1% 1/10W YageoTRA KTD1028 KEC AD91603YY1AIJ Power Board for AIEyelet IC AS431AZTR-E1 TO-92PIN Header 2.54MM 2P Jumper WireRectifier Diode FR107 LNPCA9361XYY1J Convertor BoardRST Chipr 1 OHM +-5% 1/10W Yageo RST Chip 1K 1/10W 5% Tzai YuanRST Chipr 10K OHM +-5% 1/10W Fenghua RST Chip 100K 1/10W 5% Tzai YuanRST Mofr 4.7 OHM +-5% 2WS Futaba Connector 9PConn 6PIN WaferRST Chip 100R 1/16W 5% Tzai Yuan RST Chipr 10 OHM +-5% 1/16W FenghuaRST Chip 10R 1/16W 5% Tzai Yuan RST Chipr 100 OHM +-5% 1/16W FenghuaRST Chip 10K 1/16W 5% Tzai Yuan RST Chipr 1KOHM +-5% 1/16W FenghuaRST Chip 1K 1/16W 5% Tzai Yuan RST Chipr 10KOHM +-5% 1/16W FenghuaRST Chipr 4.7KOHM +-5% 1/16W Fenghua Tzai YuanRST Chipr 470 OHM 5% 1/16W Fenghua RST Chip 470R 1/16W 5% Tzai YuanAOCe941series Chip Bead CAP Chip 4U7 10V X7RRLZ 5.6B Llds Dome Switch 5 PCS SMTKEPCAJA9Diode LBAV70LT1G SOT-23 LRC RLZ5.6BModel：e941SA--T995NSNCWVA1UNJ CBPC9NWA1QHJ Screw M3X6RST Chipr 1KOHM +-1% 1/8W Yageo RST Chipr 15KOHM +-1% 1/10W YageoCN901 006G R906 061G152M10452T XZ RST Chipr SMTC9NWA1QHJ Main Board for SMT SUB 15PINSOC Subd H 15P F SUB 15PIN Vertical Conn with ScrewRST Chipr 0 OHM +-5% 1/16W Yageo RST Chip 390R 1/16W 5% Fenghua RST Chipr 1KOHM +-5% 1/16W YageoRST Chipr 10KOHM +-5% 1/16W Yageo RST Chip 330R 1/16W 5% FenghuaRST Chipr 75OHM +-5% 1/16W Yageo RST Chipr 56KOHM 1/16W FenghuaRST Chipr 56KOHM 1/16W Tzai Yuan RST Chipr 75 OHM +-5% 1/16W FenghuaAOCe941series BAV70 SOT23 by PAN JIT X7RX5R OHM BeadJ44G9909101 Eps J44G9909201 J44G9909615 4A Model：e941S-- T9A2NS2DWVA4QNE AC Socket ST-01CP-BCE-R ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1Main BOARD-CBPCANSA1H1 SMTCA-U402 PC123Y22FZOF SharpRST Chipr 1MOHM +-5% 1/4W Tzai Yuan ADA1603HD1AI Power Board for AIRST Chipr 10 Kohm +-1% 1/10W Fenghua RST Chipr MAXNO-SUGGEST RST Chipr 10KOHM +-5% 1/16W Y NO-SUGGEST RST Chipr MAX 0R05 OHM 1/16WNO-SUGGEST RST Chipr 100 OHM +-5% 1/16W NO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YANO-SUGGEST RST Chipr 75OHM +-5% 1/16W YA NO-SUGGEST RST Chipr 330 OHM +-5% 1/16WKEY Board PCB Chip Bead 120OHM 6A MGLB2012-120T-LFMain Board PCB LED GPTD1210YGC3-HBRST Chip 120K 1/10W 5% Tzai Yuan Adapter Board PCBAC/DC Converter TA9690GN-A1-0-TR SOP-24 RST Chip 1R 1/10W 5% Tzai YuanConverter Board PCB CAP ChipSchottky B3100B 3A 100V SMB
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