background image

DPWBN5396T8---B

U15 NC

C79  NC 90/12/13

R92,93 NOT CONNECT  90/12/13

SD1010A_VIEWSONIC

B

QPWB-5396T8---B

C

5

5

Thursday, March 14, 2002

Title

Size

Document Number

Rev

Date:

Sheet

of

R_IN[0..7]

G_IN[0..7]

B_IN[0..7]

BE[0..7]

GO[0..7]

RO[0..7]

WP

R_IN6

R_IN7

R_IN5

R_IN4

R_IN3

R_IN2

R_IN1

R_IN0

G_IN0
G_IN1
G_IN2
G_IN3

G_IN4
G_IN5

G_IN6
G_IN7

B_IN0
B_IN1
B_IN2

B_IN3
B_IN4
B_IN5
B_IN6
B_IN7

BE0

BB6

RB3

GB5

BE2

GO5

GO3

RB4

BO3

BO1

RO7

BA1

BB1

RB7

BB4

GO6

BO7

RE5

GB7

BO1

RO2

RO7

BO2

GO4

BO6

GO7

RE4

BE2

GO1

BO2

BO6

BO3

BA3

BB7

BO4

GO6

RB5

BA2

RO0

BO0

BE6

BB2

BA0

GO0

BB5

RO3

BE5

BE1

BO5

RO6

BO5

RO4

BO4

GO7

RE7

RO5

RB0

RB2

GO3

BE7

GO2

GO2

GB6

RO0

BB3

RO6

GO1

GO4

GO5

RB1

BE1

BO7

BE3

RO4

BE5

RO2

BE3

BE0

BE4

RO3

RB6

RO5

BE4

BO0

BE6

BB0

GO0

RO1

RE6

RO1

BE7

GB4

GA3

GA5

BA7

GA7

BA3

BA5

BB6

RA5

BB2

GB4

RA7

GB2

GB6

RB4

RB6

RA3

BB4

GA2

GA4

BA6

GA6

BA2

BA4

BB5

RA4

GB7

GB3

RA6

RB7

BB7

GB5

RB3

RB5

RA2

BB3

RB2

BA5

BA7

BA4

BA6

BO[0..7]

GB3

GA4

GA6

GE6

GE7

GA5

GE4

GB0

GB2

GB1

GE5

GA7

GE0

RE1

GA3

GE4

GA1

RE0

RE2

RE3

RE2

RE[0..7]

GE1

GE2

GE0

GA0

GE[0..7]

RE1

RE4

RE6

GE5

GA2

GE1

RE5

GE3

RE3

RE7

GE2

GE7
GE6

RE0

GE3

RA4

RA3

RA5

RA1

RA0

RA7

RA2

RA6

N501

GA0
GA1

RA0

BB0

RB1

BA1

GB1

BA0

BB1

GB0

RA1

RB0

3_3VSD

3V3b

3_3VSD

5V_ROM

C87

0.01U

LP10

33LP

8

1

7

6

5

4

3

2

LP13

33LP

8

1

7

6

5

4

3

2

LP12

33LP

8

1

7

6

5

4

3

2

LP11

33LP

8

1

7

6

5

4

3

2

LP9

33LP

8

1

7

6

5

4

3

2

L18

64RFIL-5151T8300A

C95

0.01U

C82

10P

C92

0.1u

C93

0.01U

C94

0.1u

C88

0.1u

C89

0.01U

R61

0

R60

NC

CN3

FH12-50S-0.5SH

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

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30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

R52

33

R93

NC

R92
NC

CN4

NC(FH12-15S-0.5SH)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

L19

RFIL-5231T8600A

R53
4.7K

C80
33

U15

24L16/DIP

1

2

3

4

5

6

7

8

A0

A1

A2

VSS SDA

SCL

WP

VDD

R59

33

R51

33

R58 33

C79
NC

R56 33

C85

0.01U

C86

0.1u

C83

100u/16V

U14

SD1010A

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128

1

2

3

ROM_SCL ROM_SDA GND CPU_SCL CPU_SDA PWM_CTL CLK_1M VDD CLK_1M_O RESET_B R_OSD G_OSD B_OSD EN_OSD SCAN_EN TEST_EN FCLK0 VCLK00 FCLK1 VCLK1 HSYNC_O VSYNC_O DCLK_OUT DE_OUT GND VDD R_OUT0_E R_OUT1_E R_OUT2_E R_OUT3_E HSYNC_X R_OUT4_E R_OUT5_E R_OUT6_E R_OUT7_E

GND

R_OUT0_O

R_OUT1_O

R_OUT2_O

R_OUT3_O

VDD

R_OUT4_O

R_OUT5_O

R_OUT6_O

R_OUT7_O

GND

G_OUT0_E

G_OUT1_E

G_OUT2_E

G_OUT3_E

G_OUT4_E

VDD

G_OUT5_E

G_OUT6_E

G_OUT7_E

GND

GND

G_OUT0_O

G_OUT1_O

G_OUT2_O

G_OUT3_O

VDD

G_OUT4_O

G_OUT5_O

G_OUT6_O

G_OUT7_O

GND

GND

B_OUT0_E

B_OUT1_E

B_OUT2_E

B_OUT3_E

B_OUT4_E

B_OUT5_E

B_OUT6_E

VDD

VDD

B_OUT7_E

GND

B_OUT0_O

B_OUT1_O

B_OUT2_O

B_OUT3_O

VDD

B_OUT4_O

B_OUT5_O

B_OUT6_O

B_OUT7_O

GND

R_IN00

R_IN01

R_IN02

R_IN03

VDD

R_IN04

R_IN05

R_IN06

R_IN07

GND

VDD

GND

G_IN00

G_IN01

G_IN02

G_IN03

VDD

G_IN04

G_IN05

ADC_CLK0

G_IN06

G_IN07

GND

VDD

GND

B_IN00

B_IN01

B_IN02

VDD

B_IN03

B_IN04

B_IN05

B_IN06

B_IN07

GND

HSYNC_I

VSYNC_I DE_IN VDD

R55 33

R57

33

R54
4.7K

C81
0.1u

LP4

33LP

8

1

7

6

5

4

3

2

LP7

33LP

8

1

7

6

5

4

3

2

LP8

33LP

8

1

7

6

5

4

3

2

LP2

33LP

8

1

7

6

5

4

3

2

LP3

33LP

8

1

7

6

5

4

3

2

LP5

33LP

8

1

7

6

5

4

3

2

LP6

33LP

8

1

7

6

5

4

3

2

C84

0.1u

C90

0.1u

C91

0.01U

FBLK

ASIC_RESET_

OSD_G

OSD_VS

OSD_R

OSD_B

FCLK1

VCLK1

OSD_HS

LCD_VS
LCD_HS

G_IN[0..7]

B_IN[0..7]

ASIC_H

MCU_VS_OUT

R_IN[0..7]

HSYNC_X

LCD_DE

LCD_CLK

LCD_VCC

LCD_CLK

LCD_HS
LCD_DE

LCD_VS

ASIC_SCL

ROM_SDA

VCLK00

12MHZ

EEPROM_SCL

ASIC_SDA

SD_ROM_SCL

LCD_VCC

LCD_VCC

ViewSonic Corporation 

 

Confidential – Do Not Copy

V

E

500

-1

2 3

Summary of Contents for VE500-1

Page 1: ...Service Manual ViewSonic VE500 1 Model No VLCDS23722 1W VE500 1_SM_526 Rev 1a August 2002 15 Color TFT LCD Display ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583...

Page 2: ...implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publica...

Page 3: ...3 5 INTERNAL CONNECTOR PIN DEFINITION 5 6 BLOCK DIAGRAM 9 7 TROUBLE SHOOTING FLOW CHART 11 8 SPARE PARTS LIST 15 9 EXPLODED DIAGRAM AND SPARE PARTS LIST 18 Confidential Do Not Copy VE500 1 ViewSonic C...

Page 4: ...o protect the display from overheating Do not block ventilation slots and openings with objects or install the display in a place where ventilation may be hindered z Do not install this display near a...

Page 5: ...er Viewing angle Horizontal r 60 Vertical 60 40 Tilt 20q 5q Contrast ratio 350 1 typ Brightness 250 cd m2 typ Response time 30ms typ tr tf Active display area 304 1 mm H x228 1mm V AC DC adapter Input...

Page 6: ...roll up in sub menu or to increase value of selected item If pressed when menu is not active BRIGHTNESS is adjusted 4 ADJUST LEFT To scroll down in sub menu or to decrease value of selected item If pr...

Page 7: ...e time 3 As shown on Fig 4 Fig 5 and Fig 6 The screen will show Auto image out after the LED light is changed to Green 4 As shown on Fig 6 The All Reset procedure is finished after Auto image Adjust m...

Page 8: ...ltage for Inverter unit DC 5V 3 VCONT Voltage for Adjusting Backlight Brightness 4 GND 5 Vin Supply Voltage for Inverter unit DC 12 XGA I F BOARD DPWBN5396T8 J1 Signal Input Terminals Connector P N QC...

Page 9: ...GREEN Data Signal of Even Pixels 9 GB3 GREEN Data Signal of Even Pixels 10 GB4 GREEN Data Signal of Even Pixels 11 GB5 GREEN Data Signal of Even Pixels 12 GB6 GREEN Data Signal of Even Pixels 13 GB7 G...

Page 10: ...Signal of Odd Pixels 36 BA5 BLUE Data Signal of Odd Pixels 37 BA6 BLUE Data Signal of Odd Pixels 38 BA7 BLUE Data Signal of Odd Pixels 39 GND 40 DE Data Enable Signal 41 Vsync Vertical Sync Signal 42...

Page 11: ...GND 3 DimmingDimming range 0 4 4v 4 ON OFF ON 5V OFF 0V 5 ON OFF ON 5V OFF 0V CN2 CN3 Output Terminal for LCD Panel Back light Pin No Symbol Function 1 High High Voltage for Backlight power supp 2 Lo...

Page 12: ...16 U10 PL CN3 INTERFACE BOARD DPWBN5396T8 JP6 TO INVERTER J3 SWITCH MODE POWER 3 3V 5V ADC U1 AD9888 SCALER U15 EEPROM 24C08 X1 OS FROM A D ADAPTOR SW BOARD DPWBN5403T8 CN1 12V 15 LCD PANEL INVERTER R...

Page 13: ...ding cable connection relationship PHR 11 PHR 8 Pin No Pin No 1 2 2 2 3 3 4 5 5 5 6 6 Inverter cable QCNWS0905T8005 24AWG Shielding cable connection relationship PHR 5 PHR 5 Pin No Pin No 1 5 2 4 3 3...

Page 14: ...OSD adjustment Check Sw board CN1 Check Inverter Check I F board Check Inverter Check backlight Check connector board Check I F board Check LCD panel RGB signal error H Vsyn c error Check power LED H...

Page 15: ...B Debug Procedure J3 12V INPUT Does the screen Display Solution with No display 2 NO Display ok YES Loss of RGB Lost some bits of RGB YES NO YES CHK LP2 LP3 CHK R7 R R5 G R3 B NO YES NO ViewSonic Cor...

Page 16: ...1 22 23 ok CHK J1 NO CHK LP2 LP13 ok CHK U6 CHK U15 CHK CN3 CHK Panel CHK U5 CKT VCC U5 YES CHK system power NO CHK U15 Pin 5 6 CHK U15 if recall function is OK CHK CKT Sheet 5 Panel No screen handler...

Page 17: ...12V INPUT CHK FUSE F1 CHK U11 pin 2 5V CHK U12 pin 2 3 3V CHK U13 pin 2 3 3V CHK 1 L7 2 L8 3 Q4 4 U5 CHK 1 Q5 2 Panel DPWBN5396T8 B POWER FLOW ViewSonic Corporation 14 Confidential Do Not Copy VE500...

Page 18: ...VD2389D8F 420708 SHIELD CASE PSLDM6440D8 420709 SHIELD CASE PSLDM6441D8 420710 L20047 CAB A MAIN BRACKET 15 XEASD30P06000 420711 L20021 KEY BOARD CAB A 3 XEPSN26P06000 420712 L20047 CAB A CAB B 2 XEPS...

Page 19: ...30006 A VC 0101 0253 L20023 VGA CABLE 1 8M VE500 QCODS1492T8D A 430007 A PC 0106 0180 AC POWER CORD 1 8M USA QACC 1126D8D 430009 UPC LABEL TLABZ3903D8 430011 L20050 AC POWER CORD EU1 8M BLACKQACC 1228...

Page 20: ...ViewSonic Corporation Confidential Do Not Copy VE500 1 9 EXPLODED DIAGRAM 1 7...

Page 21: ...4 13 D SUB BRACKET LANGF2051D8 1 14 DECORATION PLATE PISLV0205D8 A 1 15 SHIELD CASE I F BOARD PSLDM6442D8 A 1 16 B IF 0222 0024 I F BOARD DPWBN5408T8 1 17 LCD PANEL 17 VVLM170ES04 1 18 KENSINGTON BRAC...

Page 22: ...3 G_DA2 G_DA1 G_DA0 GND VDD R_DB7 R_DB6 R_DB5 R_DB4 R_DB3 R_DB2 R_DB1 R_DB0 GND VDD R_DA7 R_DA6 R_DA5 R_DA4 R_DA3 R_DA2 R_DA1 R_DA0 GND VDD DATACK DATACK HSOUT NC GND VDD GND GND GND VD PWRDN REFOUT R...

Page 23: ...1 P5 2 AD2 P5 3 AD3 P5 4 DA0 P5 5 DA1 P5 6 DA2 P5 7 DA3 INT P6 2 FBKG BOUT GOUT C123 1000P RP12 4 7KRP 1 8 7 6 5 2 3 4 X1 12MHZ 1 2 C121 NC C42 220P C45 1u C49 0 1u R24 33 RP7 4 7KRP 1 8 7 6 5 2 3 4 R...

Page 24: ...2 1 5 3 14 15 4 6 7 16 8 S1 S2 S3 1Y0 1Y1 2Y0 2Y1 3Y0 3Y1 1Z 2Z 3Z E_ VEE VCC GND C55 0 1u L10 64RFIL 5232T8300A R87 0 R90 0 U17 NC 74AHC1G126 1 2 3 4 5 OE A GND Y VCC L6 64RFIL 5232T8300A R89 NC L11...

Page 25: ...16 RFIL 5231T8600A L17 RFIL 5231T8600A L34 RFIL 5231T8600A L14 RFIL 5231T8600A U12 AIC1084 3 3 3 1 2 4 INPUT GND OUTPUT OUTPUT U13 AIC1084 3 3 3 1 2 4 INPUT GND OUTPUT OUTPUT D7 NC B320 C76 100u 16V R...

Page 26: ...R53 4 7K C80 33 U15 24L16 DIP 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VDD R59 33 R51 33 R58 33 C79 NC R56 33 C85 0 01U C86 0 1u C83 100u 16V U14 SD1010A 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2...

Page 27: ...00P R2074 7K R2064 7K SW3 ENTER LED1 LED 3P 2 1 3 SW1 SW5 POWER SW SW2 L24 64RFIL 5232T8300A SW4 A L26 3 3K L27 1 5K L28 64RFIL 5232T8300A L29 64RFIL 5232T8300A J1 CON6 1 2 3 4 5 6 C113 0 1u C114 100P...

Page 28: ...ViewSonic Corporation Confidential Do Not Copy VE500 1 11 PCB LAYOUT DIAGRAM 2 5...

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