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AOC e940Swa, Руководство по обслуживанию

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18.5" LCD Color Monitor                                                                              AOC e940Swa 

25 

R401

100OHM1/16W

C427

100N 16V

FB404

300OHM

C413

4.7UF 10V

C0805

C407

100N 16V

FB407

300OHM

FB405

300OHM

R416

220K 1/16W 5%

C422

100N 16V

R414

470R 1/16W 1%

C423

4.7UF 10V

C0805

DET_CABLE

R415

100K 1/16W

C418

100N 16V

X401

14.31818MHZ/32PF

1

2

AVCC

ADC_VAA

ADC_BIAS

CVDD

DVDD

DVDD

AVCC

ADC_VAA33

AVCC

ADC_VAA33

DVDD

ADC_BIAS

C408

1UF16V

R426

1K 1/16W

CMVCC1

2,3,4

R420

100OHM1/16W

R419

100OHM1/16W

SPI_CK

SPI_SI

R407

NC/0R05 1/16W

VCC3.3

CMVCC1

R406

0R05 OHM

LED_R

R409

NC/0R05 1/16W

R433

3.

9K

1/

16

W

VCC3.3

R411

4.7K 1/16W

R408

0R05 OHM

R418

10K+-5%1/16W

12/3/2009

R417

10K1/16W

LED 

獹　

LED 

獹　

R410

4.7K 1/16W

Panel_ON

PA[0..9] 3

PB[0..9] 3

CN402

CONN

1

2

3

4

5

6

7

AHS0
AVS0

B0-

B0+

SOG_DET

G0+
G0-

R0+

R431

3.

9K

1/

16

W

R0-

2

LED_ORANGE

LED_GRN/BLUE

LED_G

LED_R

PA9

PA6

PA8

PA5

PA2

PA7

PA3

PA0

PA1

PA4

Q401

LMBT3906LT1G

1

2

3

DDCSDA1

RX0-

DDCSDA2

ZD401

NC/RL

Z5

.6

B

RX2+

LED_R

PA2

PA3

KEY2

RX0+

C414

1UF16V

PB7

C434

10

0N

 1

6

V

PB9

C415

1UF16V

PB5

RXC+

PS_EN

PB0

PA7

RX1-

PB[0..9]

LED_G

RX1+

C431

10

0N

 1

6

V

Volume

C426 47pF 50V

2010/1/25

AUDIO_MUTE

PA0

PA1

2010/1/25

2010/1/25

2010/1/25

RXC-

PB4

KEY1

POWER_KEY#

PB2

POWER_KEY#

PA6

R435

100OHM1/16W

11/30/2009

11/30/2009

C429

220N16V

PA8

DDC_WP

VCC3.3 2,4

PA5

VCC3.3

C432

10

0N

 1

6

V

R405

330OHM 1/10W

R404

220 OHM 1/10W

DDCSCL1

PS_O/P

C435

10

0N

 1

6

V

C406

4.7UF 10V

C0805

C433

10

0N

 1

6

V

R428

NC/0R05 1/16W

CMVCC1

R427

0R05 OHM

VCC3.3

DDCSCL2

PA[0..9]

PB3

PA4

PA9

C424

1UF16V

RX2-

PB1

PB8

PB6

28

2

17

15

PB2

PB6

PB5

PB8

PB3

PB1

R422

4.7K 1/16W

PS_DISTANCE

PB4

PB7

PB0

PB9

Q402

LMBT3906LT1G

1

2

3

6

SPI_SO

PS_O/P

116

SPI_CE

90

C437

100N 16V

C438

100N 16V

53

51

PS_EN

VCC3.3

FB403

300OHM

DDC2_SCL

2

R432

3.

9K

1/

16

W

WP

5V_DET

CMVCC1

ZD403

NC/RL

Z5

.6

B

ZD402

NC/RL

Z5

.6

B

FB408

NC/120 OHM

1

2

FB409

NC/120 OHM

1

2

C436

NC/100N 16V

26

FB402

300OHM

C403

100N 16V

C402

100N 16V

C405

100N 16V

CVDD

C404

4.7UF 10V

C0805

VCC1.8

C401

100N 16V

C439

4.7UF 10V

C0805

VCC1.8

4

119

ADC_VAA

FB401

0R05OHM1/8W

115

52

adj_BACKLIGHT

CMVCC1

DSUB_R-

2

2

DSUB_G-

2

2

DSUB_SOG

2

DSUB_V

2

DSUB_B-

2

DSUB_H

2

LED_GRN/BLUE

DDC1_SDA

2

LED_ORANGE

DDC1_SCL

2

RX2P

2

RX2N

2

RX1P

2

RX1N

2

PS_DISTANCE

C428 47pF 50V

VCC3.3

CMVCC1

R436

1K 1/16W

R437

1K 1/16W

KEY1

KEY2

RX0P

2

RX0N

2

RXCP

2

RXCN

2

DDC2_SDA

2

R413

10K+-5%1/16W

DET_CABLE

2

R412

10K+-5%1/16W

PPWR_ON# 3

SPI_CE

SPI_SO

SPI_SI

FB406

NC/300OHM

SPI_CK
WP

DDC_WP

2

on_BACKLIGHT 4

adj_BACKLIGHT 4

Volume 6

AUDIO_MUTE 6

OEM MODEL

Size

Rev

Date

Sheet

of

TPV MODEL

PCB NAME

称 爹

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

Key Component

絬

 

隔

 

瓜

 

絪

 

腹

e2040VA

C

AOC e2040VA

C

5

6

Tuesday , April 27, 2010

<

称爹

>

5.0.SCALER

G4002-M0D-000-0040-100416

on_BACKLIGHT

C425 100N 16V

CN401

CONN

1

2

3

4

5

6
7

8

9

R434

1M 1/16W

R402

10K+-5%1/16W

DVDD

C421

4.7UF 10V

C0805

U401

NT68668AFG/C

RSTB

1

DV

DD_

ZP

2

DG

ND

3

RX2+

4

RX2-

5

AVC

C

6

RX1+

7

RX1-

8

AGN

D

9

RX0+

10

RX0-

11

AGN

D

12

RXC+

13

RXC-

14

AVC

C

15

REXT

16

A

D

C

_BI

AS

17

PGN

D

18

BIN1+

19

BIN1-

20

SOG1I

21

GIN1+

22

GIN1-

23

RIN1+

24

RIN1-

25

A

DC_

V

A

A

1

8

26

A

DC_

G

NDA

27

A

DC_

V

A

A

3

3

28

PD6

29

PB3/ADC3/INTE1

30

P31/TXD

31

P30/RXD

32

PB2/ADC2/INTE0

33

PB7/DDC_SDA1*

34

PB6/DDC_SCL1*

35

PA3/PWM5

36

PA4/PWM6*

37

PA5/PWM7*

38

PA6/PWM8*

39

PA7/PWM9*

40

HSYNCI1

41

VSYNCI1

42

PL

L_

G

N

D

43

GN

D

44

P

L

L_

DV

DD

45

PB5/DDC_SDA0*

46

PB4/DDC_SCL0*

47

PD5

48

P35

49

P34

50

DV

DD

51

CV

DD

52

NC

53

V0

54

V1

55

V2

56

V3

57

V4

58

V5

59

V6

60

V7

61

VCKI

62

NC

63

DG

ND/CG

ND

64

PC6

102

NC

10

1

NC

100

NC

99

NC

98

NC

97

NC

96

NC

95

NC

94

NC

93

NC

92

NC

91

DV

DD

90

NC

89

T0M

88

T0P

87

T1M

86

T1P

85

T2M

84

T2P

83

TCLK1M

82

TCLK1P

81

T3M

80

T3P

79

DG

ND/CG

ND

78

T4M

77

T4P

76

T5M

75

T5P

74

T6M

73

T6P

72

TCLK2M

71

TCLK2P

70

T7M

69

T7P

68

PA1/PWM3

67

PA2/PWM4

66

PA0/PWM2

65

OSCO

128

OSCI

127

PB0/ADC0

126

PB1/ADC1

125

PC5

124

PC4/PWM1

123

PC3/PWM0

122

PC1*

121

PC0*

120

CV

DD_

ZP

11

9

PWMB*

118

PWMA*

117

DV

DD

11

6

CV

DD

11

5

INT_HSO

114

INT_VSO

113

NC

11

2

NC

11

1

PC2

110

GN

D

10

9

PD4

108

SPI_CLK

107

SPI_SI

106

SPI_SO

105

SPI_CE

104

PC7

103

C416

4.7UF 10V

C0805

C417

100N 16V

U402

A25L020AO-F

S

1

DO

2

W

3

Vss

4

DIO

5

C

6

HOLD

7

Vcc

8

R403

10K+-5%1/16W

C419

100N 16V

 

Содержание e940Swa

Страница 1: ...cification 10 5 1 Display Characteristics 10 5 2 Optical Characteristics 10 5 3 Parameter guide line for CCFL Inverter 10 6 Block Diagram 11 Table Of Contents 1 Revision List 2 1 Monitor Specification...

Страница 2: ...haracteristics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or...

Страница 3: ...dels T89ANT2CWWA38NE T8AANT2CWWA38NE T8AANT2QWWA36NE T8AANT2QWWA46NE A03 Oct 15 2010 Add new Models T8AANRNQWWA86NE T8AANT2CWWA48NE T8AANT2QWWK66NE T8AANT2QWWK86NE A04 Nov 23 2011 Add Converter board...

Страница 4: ...18 5 LCD Color Monitor AOC e940Swa 4 1 Monitor Specification...

Страница 5: ...18 5 LCD Color Monitor AOC e940Swa 5...

Страница 6: ...nel control logic brightness control logic and DDC The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Monitor Block Diagram AC...

Страница 7: ...Picture OSD Setting 1 Press the MENU button to activate the OSD window 2 Press or to navigate through the functions Once the desired function is highlighted press the MENU button to activate sub menu...

Страница 8: ...18 5 LCD Color Monitor AOC e940Swa 8 Luminance Image Setup...

Страница 9: ...18 5 LCD Color Monitor AOC e940Swa 9 Color Temperature Color Boost Picture Boost OSD Setup...

Страница 10: ...18 5 LCD Color Monitor AOC e940Swa 10 Extra Reset Exit LED Indicator...

Страница 11: ...18 5 LCD Color Monitor AOC e940Swa 11 4 Input Output Specification 4 1 Input Signal Connector D SUB connector...

Страница 12: ...18 5 LCD Color Monitor AOC e940Swa 12 4 2 Factory Preset Display Modes...

Страница 13: ...18 5 LCD Color Monitor AOC e940Swa 13 5 Panel Specification 5 1 Display Characteristics...

Страница 14: ...18 5 LCD Color Monitor AOC e940Swa 14 5 2 Optical Characteristics...

Страница 15: ...18 5 LCD Color Monitor AOC e940Swa 15 5 3 Electrical Characteristics 1 TFT LCD Module...

Страница 16: ...18 5 LCD Color Monitor AOC e940Swa 16 2 Back Light Unit...

Страница 17: ...18 5 LCD Color Monitor AOC e940Swa 17 6 Block Diagram 6 1 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...

Страница 18: ...n on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are they re any signals coming 13 Does the scalar send out an...

Страница 19: ...ck Diagram 6 2 1 Scalar Board FLASH MEMORY Pm25LD020C SCE U402 Scalar NT68668AFG Include MCU ADC OSD etc U401 LCD Interface CN301 D Sub Connector CN101 H sync V sync RGB EEPROM AT24C02BN U101 DDC1_SCL...

Страница 20: ...Start Resistor R934 R906 PWM Contro LD7750GSl IC901 Transformer AC input 12V 3A Bridge Rectifier and Filter Rectifier diodes Power Switch Q901 Photo coupler IC902 Regulator IC903 ZD801 12V MOSFET Q80...

Страница 21: ...18 5 LCD Color Monitor AOC e940Swa 21 715G4119P02001004C D801 14 5V MOSFET Q806 DIM ENA L801 LED CN801 LED CN803 PWM Control MP3389EF U401...

Страница 22: ...6 AOZ8105CI I O1 1 GND 2 I O2 3 I O3 4 VDD 5 I O4 6 DDC1_SCL 5 DDC1_SDA 5 DDC1_SDA VGA_B U105 AOZ8105CI I O1 1 GND 2 I O2 3 I O3 4 VDD 5 I O4 6 DDC_WP 5 U107 AOZ8105CI I O1 1 GND 2 I O2 3 I O3 4 VDD 5...

Страница 23: ...6V 11 30 2009 R308 NC 10K1 16W CN301 CONN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 PANEL_VCC Q302 LMBT3904LT1G R304 22K 1 16W R305 10K 5 1 16W CMVCC1 C302...

Страница 24: ...SW 1 EN 2 COMP 3 FB 4 GND 5 FREQ 6 VIN 7 BST 8 Thermal Pad 9 VCC3 3 11 30 2009 U701 VI 3 VO 2 GND 1 C723 10uF 25V C712 100nF 25V C719 100nF 25V CMVCC1 CN702 CONN 1 2 3 4 5 6 7 8 9 10 11 12 D707 SR34...

Страница 25: ...V C0805 VCC1 8 4 119 ADC_VAA FB401 0R05OHM1 8W 115 52 adj_BACKLIGHT CMVCC1 DSUB_R 2 DSUB_G 2 DSUB_G 2 DSUB_B 2 DSUB_SOG 2 DSUB_V 2 DSUB_B 2 DSUB_H 2 LED_GRN BLUE DDC1_SDA 2 LED_ORANGE DDC1_SCL 2 RX2P...

Страница 26: ...and Button R608 R611 R612 with audio NC POWER ON HI C627 NC 2009 12 14 2009 12 3 R618 10K 5 1 16W 2010 1 13 POWER OFF 2009 12 3 DEL C624 C625 2009 12 3 C626 1UF16V MUTE C627 1nF 50V C624 220P 50V OUT...

Страница 27: ...CN901 SOCKET 1 2 3 BD901 KBP306G 05 2 1 3 4 R901 1 MOHM 5 1 4W R902 1 MOHM 5 1 4W C903 0 47UF R940 220 OHM 1 10W C908 2N2 500V L902 14mH 1 4 2 3 L903 0 8uH R918 20K 1 10W 5 C920 1U 25V L901 0 45mH 1...

Страница 28: ...te Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component LNPC98501AHD1 1 A4 Tuesday December 08 2009 715G3823P01000004S ODM MODEL 02 CONVERTER G3823 P01 000 0040 2 091028 R805...

Страница 29: ...hm CN803 CONN 1 2 3 4 5 6 7 8 D801 SK310B 1 2 R815 0 15 OHM 1 1 4W C807 100uF 50V R818 0R05 1 4W Q806 P8008HV S1 1 G1 2 S2 3 G2 4 D1 8 D1 7 D2 6 D2 5 R805 240KOHM 1 1 8W Gate C804 0 47UF 50V R809 5 1K...

Страница 30: ...C804 47N 50V R809 7 5K 1 1 10W R812 0 3 OHM OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component B Custom 1 2 ODM MODEL 01 CONVERTER LNPCA9401AHD1 71...

Страница 31: ...18 5 LCD Color Monitor AOC e940Swa 31 8 PCB Layout 8 1 Main Board 715G4002M01000004S...

Страница 32: ...18 5 LCD Color Monitor AOC e940Swa 32 8 2 Power Board Adapter 715G3980P02000003S...

Страница 33: ...18 5 LCD Color Monitor AOC e940Swa 33 Converter 715G3823P04000004S...

Страница 34: ...18 5 LCD Color Monitor AOC e940Swa 34 715G4128P03000004C...

Страница 35: ...18 5 LCD Color Monitor AOC e940Swa 35 715G4119P02001004C...

Страница 36: ...18 5 LCD Color Monitor AOC e940Swa 36 8 3 Key Board 715G4014K01000004C...

Страница 37: ...C e940Swa 37 9 Maintainability 9 1 Equipments and Tools Requirement 1 Multi meter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Serv...

Страница 38: ...power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U702 Vout 3 3V U704 Vout 1 8V Reinsert or check the power section X401 oscillate waveform...

Страница 39: ...Measure U702 Vout 3 3V U704 Vout 1 8V Replace U702 U704 CN702 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally I...

Страница 40: ...easure Q302 base is low level X401 oscillate waveform is normal Check FB301 Q301 is broken or CN301 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK...

Страница 41: ...Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R906 R934 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check I...

Страница 42: ...C802 12V Check adapter and MB Check ON OFF signal Check main board Check Q801 PIN5 6 7 8 12V Change Q801 Check IC801 IC802 Pin1 2 3 4 5 6 7 8 9 have the output of square wave at short time Check IC80...

Страница 43: ...43 9 2 3 Key Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Swit...

Страница 44: ...LCD Color Monitor AOC e940Swa 44 10 Firmware and DDC Instruction ISP DDC writing SOP Please land ftp cs tpv com cn to load relevant writing SOP in the related files Accounts TPVSQZ Code TPVZGDLSQZ2009...

Страница 45: ...ch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 4 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 20 y 329 20 4 Adjust...

Страница 46: ...e procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 5 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Chan...

Страница 47: ...18 5 LCD Color Monitor AOC e940Swa 47 12 Monitor Exploded View...

Страница 48: ...095G8018 3TE38 HARNESS 30P 30P 330MM E09502 095G8022 7WE01 HARNESS 7P 6P 130MM E09505 095G802210TE01 HARNESS 10P A1253 10P A1253 90MM 0D1G1730 8120 SCREW 0Q1G 130 8120 SCREW 42A9930011 0Q1G 130 8120 S...

Страница 49: ...BEAD 4 0 2 3 L902 073G 174514 X LINE FILTER 14mH MIN L901 073G 174515 X LINE FILTER 0 45mH MIN L903 073G 253902 H IND CHOKE 0 8uH MIN DADO LED1 081G 2 3 1P LED GPG2603T R006 35A GUANGPU E08906 089G 1...

Страница 50: ...HM 5 1 8W TZAI YUAN R916 061G08051152FT RST CHIPR 11 5KOHM 1 1 8W TZAI YUAN R941 061G0805159 JT RST CHIP 1R5 1 8W 5 R922 061G0805471 JT RST CHIPR 470OHM 5 1 8W TZAI YUAN JR901 061G12060007JT RST CHIP...

Страница 51: ...YAGEO R103 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R104 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R113 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R401 061G0402101 JY RST CHIPR 100 OHM...

Страница 52: ...R414 061G04024700FY RST CHIP 470R 1 16W 1 R110 061G0402471 JY RST CHIPR 470OHM 5 1 16W YAGEO R615 061G0402471 JY RST CHIPR 470OHM 5 1 16W YAGEO R124 061G0402472 JY RST CHIPR 4 7KOHM 5 1 16W YAGEO R12...

Страница 53: ...Y CAP CHIP 0402 100N 16V X7R 10 C603 065G040210412K Y CAP CHIP 0402 100N 16V X7R 10 C403 065G040210412K Y CAP CHIP 0402 100N 16V X7R 10 C125 065G040210412K Y CAP CHIP 0402 100N 16V X7R 10 C126 065G04...

Страница 54: ...A NO SUGGEST CAP CHIP 0603 1UF K 16V X7R C617 065G060310512K A NO SUGGEST CAP CHIP 0603 1UF K 16V X7R C618 065G060310512K A NO SUGGEST CAP CHIP 0603 1UF K 16V X7R C626 065G060310512K A NO SUGGEST CAP...

Страница 55: ...0 5mm SMT 10P CN801 033G803210F HR CONNECTOR IC801 056G 379167 IC TA9690GN A1 0 TR SOP 24 Q801 057G 763 92 FET P8008HV 4A 80V SOP 8 R844 061G0603100 JT RST CHIP 10R 1 10W 5 TZAI YUAN R807 061G0603100...

Страница 56: ...10 T IC AS431AZTR E1 TO 92 R947 061G 60210052T XZ RST CFR 10 OHM 5 1 6W XIANZHENG C925 065G 2K152 2T6921 CAP CER 1500pF K 2KV Y5P C929 067G 2154707NT KY50VB47M TP5 6 3 11 FB901 071G 55908 FERRITE CORE...

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