background image

DPWBN5396T8---B

L30 NC

U3 24C16-->24C21

90/12/13

C53 NC

90/12/13

add dan202u  90/12/21

SC9884_VIEWSONIC

B

QPWB-5396T8---B

Custom

1

5

Thursday, March 14, 2002

Title

Size

Document Number

Rev

Date:

Sheet

of

N101

N141

N105

G_IN6

B_IN2

BAIN

G4

G6

R6

R5

B_IN0

N107

G3

R1

B0

B2

R2

RAIN

G2

G7

R3

G_IN1

G_IN7

B6

R4

G_IN0

B_IN3

G5

B1

R7

B_IN6

B_IN1

G_IN5

B_IN4

N113

G0

B3

B5

B_IN7

G_IN2

GAIN

B7

G1

G_IN3
G_IN4

B_IN5

B4

R0

N111

N103

12MHZ

N109

N110

R

G

B

N1

N106

N114

2421PWR

N104

9884_H

R_IN0

R_IN6

R_IN4

R_IN1

R_IN2

R_IN7

R_IN5

R_IN3

N108

VSS

HSS

N143

N102

N120

N121

GREEN

VGA_CONN

BLUE

RED

N112

N142

PWRSEL

N01

HS_IN

HS_OUT

HS_SOG

X2_12MHZ

9884_H

3V3

5V

3V3

5V

+3V3

P3V3

+3V3

A3V3

A3V3

P3V3

3V3

A3V3

3V3

P3V3

3V3_MCU

5V

5V_DDC

5V

5V_DDC

U1

SC9884

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118

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120

121

122

123

124

125

126

127

128

NC

NC

NC

VD

GND

GND

R AIN

VD

GND

VD

VD

GND

GND

SOGIN

G AIN

VD

GND

VD

VD

GND

GND

B AIN

VD

GND

VD

GND

CKINV

CLAMP

SDA

SCL

A0

A1

PVD

PVD

GND

NC

NC

NC

GND HSYNC COAST GND PVD CKEXT FILT NC GND PVD GND PVD GND GND GND VDD B_DB7 B_DB6 B_DB5 B_DB4 B_DB3 B_DB2 B_DB1 B_DB0 GND VDD

B_DA7

B_DA6

B_DA5

B_DA4

B_DA3

B_DA2

B_DA1

B_DA0

GND

VDD

G_DB7

G_DB6

G_DB5

G_DB4

G_DB3

G_DB2

G_DB1

G_DB0

GND

VDD

G_DA7

G_DA6

G_DA5

G_DA4

G_DA3

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

REFIN

VD

C35
0.1u

U2 74F14

1

2

3

4

5

6

7

8

9

10

11

12

13

14

A1

B1

A2

B2

A3

B3

GND

B4

A4

B5

A5

B6

A6

VCC

R7 75

C14
0.1u

JP2

select

1 2 3

C33
0.1u

C10

10P

C29
0.1u

L4

64RFIL-5151T8300A

C39

0.1u

R8
75

R86

NC

ZD4

5.6V

1

2

R10

NC

C48
NC

R4
75

ZD2
5.6V

1

2

R22

100

R11

NC

C36
0.1u

R82
2K

R19

15

C15

22P

C9
0.1u

C34
0.1u

C1
0.1u

RP5
100RP

1

2

3

4

5
6
7
8

C13
0.1u

C12

10P

C44

1000P

C8
0.047u

RP6
100RP

1

2

3

4

5
6
7
8

D11

BAV99

3

2

1

C6

10P

R26
10K

R21

100

C7
0.047u

L8

RFIL-5231T8600A

R16

22

R15

22

R1

56

C51

0.1U

C3
0.1u

C31

100u/16v

C28
0.01u

J4

DB-15

1

2

3

4

5
10

9

8

7

6

11

12

13

14

15

16

17

1

2

3

4

5

10

9

8

7

6

11

12

13

14

15

16

17

R13
10K

C4

0.1u

L32

RFIL-5231T8600A

R9

NC

R27 100

C30
NC

L2
0

C26
0.1u

R85

22

C5

3900P

D10

BAV99

3

2

1

C53
10p

R81
2K

C18

22P

RP4
100RP

1

2

3

4

5
6
7
8

D8

DAN202U

3

2

1

R12

22

L30

NC

R20
10K

R84

22

RP3
100RP

1

2

3

4

5
6
7
8

R6
75

L3
0

C2

0.039u

ZD5

5.6V

1

2

D9

BAV99

3

2

1

Q13

NC(MMBT3904L)

1

3

2

R5 75

C99
33P

R80

33

RP1
100RP

1

2

3

4

5
6
7
8

C11

0.047u

C100
33P

R3 75

R17

150

R14
10K

R2

3.3K

C27
0.1u

ZD1
5.6V

1

2

R33

33

R83

22

RP2
100RP

1

2

3

4

5
6
7
8

R77

0

Q14

NC(MMBT3904L)

1

3

2

C54
100P

U3

24C21

1
2
3
4

5

6

7

8

NC

NC

NC

GND

SDA

SCL

VSYNC

VCC

ZD3

5.6V

1

2

ZD6

5.6V

1

2

C32

0.1u

L1
0

R18
10K

VGA_CON

VGA_HS

VGA_SCL

VGA_SDA

MCU_SDA1
MCU_SCL1

MCU_VS_IN

12MHz

ASIC_H

ISP_SCL

ISP_SDA

R_IN[0..7]

G_IN[0..7]

B_IN[0..7]

VCLK00

MCU_HS_IN

MCU_VS_OUT

R_IN

G_IN

B_IN

VGA_CONN

VGA_VS

VGA_HS

B_IN

VGA_VS

VGA_SCL

VGA_SDA

G_IN

R_IN

VGA_CONN

9884_PD

10

.

SCHEMATIC DIAGRAMS

ViewSonic Corporation 

 

Confidential – Do Not Copy

V

E

500

-1

1 9

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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