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ViewSonic VG700b-2, Service Manual

The ViewSonic VG700b-2 is a high-quality monitor designed for superb visual performance. For troubleshooting and maintenance, download the free Service Manual from our website. This detailed manual provides step-by-step instructions for optimal usage and repairs. Get your copy now from manualshive.com and keep your monitor in top condition.

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Item

ViewSonic P/N

Ref. P/N

Part Description

Location

Universal number#

Qty

1

#N/A

1L7VZZZVS78

L7VB LCD MONITOR (LG) EUROPE

2

B-IF-0222-0050

21L7VSB0021

L7VB SCALAR/B ASSY (LG)

1

3

B-IF-0222-0051

31L7VSS0016

L7VB SCALAR/B S/S ASSY

1

4

#N/A

AJ02121^C15

IC(160P) GM2121_AD (162MHZ,PQFP)

U2

1

5

#N/A

AKE1B8APN03

IC(32P) FLASH ROM W39F010P-70B(PLCC)

U4

1

6

E-IC-0401-2651

AKE3A8S0Y01

IC,EEPROM(8P) 24LC16B/SN(2K*8,100KHZ)

U5

1

7

E-IC-0401-2652

AKE3D8Q0A00

IC EEPROM(8P)AT24C21-10SI-2.5(128*8,10NS

U9

1

8

#N/A

AKE3D8S0Y11

IC,EEPROM(8P) 24LC21A/SN(128*8,100KHZ)

U9

1

9

E-IC-0401-2653

AL001117078

IC(3P) AIC1117CY(SOT-223)

U7,U8

2

10

E-IC-0401-2654

AL001563001

IC(8P) AIC1563CS(SOP8)

U6

1

11

#N/A

AJ030030H03

IC(48P)TPA3003D2PFB(TQFP)

U1

1

12

E-IC-0401-2655

AL006326007

IC(3P) MAX6326UR29(SOT23)

U3

1

13

#N/A

BA039040Z01

TRANSISTOR,SMD MMBT3904(40V,200MA)

Q6,Q10

2

14

#N/A

BA039060Z01

TRANSISTOR,SMD MMBT3906(40V,200MA)

Q4,Q5,Q8

3

15

#N/A

BAM23010Z05

TRANSISTOR MOSFET SI2301DS(-12V,-2.3A)

Q9

1

16

E-Q-0402-1580

BAM9410YZ02

TRANSISTOR MOSFET SI9410DY(30V,7A)

Q7

1

17

E-Q-0402-1582

BAN70020T04

TRANSISTOR MOSFET 2N7002(60V,0.115A)

Q2,Q3

2

18

E-D-0403-2082

BC1SS355Z05

DIODE SMD 1SS355(80V,100MA)

D1,D2

2

19

E-D-0403-2083

BCAN202UZ01

DIODE,SMD DAN202U(80V,100MA,SMD)

D4

1

20

E-D-0403-2084

BCRB081LZ02

DIODE SMD RB081L-20(20V,5.0A,VF:0.45V)

D3

1

21

E-D-0403-2085

BD05232BZ09

DIODE,ZENER,SMD MMBZ5232B(5.6V,SOT23)

D5,D6,D7,D8

4

22

#N/A

CH00506J904

CAPACITOR CHIP 5P,50V(+-5%,NPO,0603)

C70,C71

2

23

#N/A

CH04706J902

CAPACITOR CHIP 47P 50V(+-5%,NPO,0603)

C113,C114

2

24

#N/A

CH11206J908

CAPACITOR CHIP 120P 50V(+-5%,NPO,0603)

C92

1

25

#N/A

CH12206J901

CAPACITOR CHIP 220P 50V(+-5%,NPO,0603)

7

26

#N/A

CH21006K917

CAP CHIP 1000P 50V(+-10%,X7R,0603)

5

27

#N/A

CH22206K917

CAP CHIP 2200P 50V(+-10%,X7R,0603)

1

28

#N/A

CH31006K919

CAP CHIP 0.01U 50V(+-10%,X7R,0603)

10

30

#N/A

CH51004MA32

CAPACITOR CHIP 1UF 25V(+-20%,Y5V,0805)

11

31

#N/A

CS00003J900

RESISTOR CHIP 0 1/10W+-5%(0603)

R6,R94,R97

3

32

#N/A

CS00006J205

RESISTOR CHIP 0 1/4W+-5%(3216)

R63

1

33

#N/A

CS04703J906

RES CHIP 47 1/10W +-5%(0603)

R64

1

34

#N/A

CS05603F903

RES CHIP 56 1/10W +-1%(0603)

R81,R84,R86

3

35

#N/A

CS07503J907

RES CHIP 75 1/10W +-5%(0603)

R88,R89,R90

3

37

#N/A

CS12003F905

RESISTOR CHIP 200 1/10W+-1%(0603)

R70,R71,R72

3

38

#N/A

CS13303F909

RESISTOR CHIP 330 1/10W +-1%(0603)

R73

1

39

#N/A

CS15103J909

RESISTOR CHIP 510 1/10W +-5%(0603)

R96

1

40

#N/A

CS21003F904

RESISTOR CHIP 1K,1/10W,+-1%(0603)

R67,R69

2

41

#N/A

CS23003F900

RES CHIP 3K 1/10W +-1%(0603)

R68

1

42

#N/A

CS24703J900

RES CHIP 4.7K 1/10W +-5%(0603)

5

44

#N/A

CS34703J901

RES CHIP 47K 1/10W +-5%(0603)

R21,R74,R77

3

45

#N/A

CS41203F905

RES CHIP 120K 1/10W +-1%,0603

R42

1

46

#N/A

CS42403F905

RESISTOR CHIP 240K 1/10W,+-1%(0603)

R66

1

47

#N/A

CS43303J906

RES CHIP 330K 1/10W +-5%(0603)

R65

1

48

#N/A

CS11003J904

RESISTOR CHIP 100 1/10W +-5%(0603)

5

50

#N/A

DAL7VBMB4E6

PCB(M/B) L7VB MB (4L,155*115, REVE)

1

51

M-MS-0808-7699

DGP320001Z0

IC SOCKET,SMD PLCC 32P(LOW PROFILE,SMD)

U4

1

52

E-FS-0410-0108

DK400WFU001

FUSE SMD 4A/32V,FAST(UL/CSA,3216)

FUSE1

1

53

#N/A

CS14703J908

RESISTOR CHIP 470 1/10W+-5%(0603)

R29,R31

2

54

#N/A

CS41003F908

RESISTOR CHIP 100K 1/10W+-1%(0603)

R38,R39

2

55

#N/A

CS25603J909

RES CHIP 5.6K 1/10W +-5%(0603)

R34,R36

2

56

E-D-0403-2142

BC000S1AZ08

DIODE SMD S1A(35V,1A,SMA)

D9

1

57

#N/A

BC011FS2A01

DIODE EC11FS2(200V,1A,FAST)

D9

1

58

E-X-0415-0128

BG614318D55

XTAL DIP 14.-30PPM,07010-X-136-2

X1

1

59

#N/A

CC62204MD23

CAP ELEC 22U 25V(+-20%,105C,5*11,2000HR)

8

60

#N/A

CC71004MD68

CAP ELEC 100U 25V +-20%,105C,6*11,LESR

4

61

#N/A

CC73303MD51

CAP ELEC 330U 16V(+-20%,105C,8*11,2000HR

C2,C90,C104

3

62

E-C-0404-4904

CC81001MD71

CAP ELEC DIP 1000U6.3V +-20% 105C 8*11.5

C97

1

63

#N/A

DFDS15FR050

CONN D-SUB 15P 3R FR,P1.15,H12.55,NO SRW

CN7

1

64

M-MS-0808-7693

DFHD04MR124

CONN DIP HEADER 4P 1R MR(P2.0,H4.1)

CN4

1

56

29

#N/A

CH41004Z931

C1,C5,C6,C7,C8,C9,C10,C11,C12
C13,C14,C18,C19,C31,C34,C37 , C79
C41,C42,C46,C47,C48,C49,C50 , C75 , C76 , C77
C51,C52,C53,C56,C57,C58,C59 , C72 , C73 , C74
C60,C61,C62,C64,C65,C66,C67 , C68, C69,C70 , C71

#N/A

EMI FILTER CHIP HI1206P121R-00(120 6A)

CX0P121R000

RES CHIP 10K 1/10W +-5%(0603)

CS31003J908

#N/A

17

49

R22,R23,R24,R25,R26,R27,R28,R30,R32,R33,R49,R50
R80,R82,R85,R93,R95

36

#N/A

CS02203J902

RES CHIP 22 1/10W +-5%(0603)

R56 , R57 , R58 , R59 , R60 , R61 , R62 , R78 , R79

R35,R37,R44,R76,R98

C15,C32,C40,C45,C55,C63,C72,C78
C98,C99,C100,C101

31

19

R1,R2,R3,R5,R7,R8,R9,R10,R11,R12,R13,R14,R16

R83,R87,R91,R99,R100
L1,L2,L3,L4,L5,L6,L7,L8,L9,L10,L11,L12,L13,L14,
L15,L17,L19,L21,L22

R18 , R18 , R20 , R40 , R41 , R43 , R46 , R54 , R55

43

C20,C21,C22,C23,C35 , C54 , C81
C16,C17,C43,C44,C95
C94
C24,C25,C38,C39 ,C107, C108 ,C112,C109,C110,C111

C80,C85,C86,C88,C89,C91,C96
C103,C105,C106,C115
C3,C4,C26,C27,C28,C29,C30,C33,C36,C87,C102

CAP CHIP 0.1U,25V(+80-20%,Y5V,0603)

VG700b-2 BOM Parts List

ViewSonic Corporation 

21

 Confidential 

– Do Not Copy

 

 

 

 

VG700b-2

Summary of Contents for VG700b-2

Page 1: ...Model No VLCDS24606 1W 17 Color TFT LCD Display Service Manual ViewSonic VG700b 2 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VG700b 2_SM_605 Rev 1b Feb 2004...

Page 2: ...y warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without...

Page 3: ...rouble Shooting Flow Chart 9 Block Diagram 10 Schematic Diagrams 7 Recommended Spare Parts List 1 Precautions and Safety Notices 5 Adjusting Procedure 8 Exploded Diagram And Spare Parts List 11 PCB La...

Page 4: ...ring this check 4 2 Connect a 1500 ohm 10 watt resistor paralleled by a 0 15uF capacitor between each metallic part and a good earth ground 4 3 Use an AC voltmeter with 1000 ohm volt or more sensitivi...

Page 5: ...e 4 16 20ms Tr Tf typical Brightness 100 white Typical 300 cd m Min 240cd m Contrast Typical 450 1 Min 300 1 Viewing angle 75 75 65 60 L R T B CR 10 Synchronization Fh 31 82 KHz Fv 50 75Hz Presets 18...

Page 6: ...ols on some screens Also a shortcut to auto image adjust Displays the Main Menu or exits the control screen and saves adjustments Temporarily silence audio output Decreases or increases volume Power l...

Page 7: ...oming from the graphics card in your computer See your graphic card s user guide for instructions on changing the resolution and refresh rate vertical frequency VESA 1280 x 1024 60 Hz recommended mean...

Page 8: ...be directly controlled with UP DN key 1 5 Speaker out can be controlled with volume key and MUTE key 4 2 CONNECTORS 2 1 AC inlet CEE22 typed connector 2 2 Audio Line in receptacle 2 3 Video signal con...

Page 9: ...s 265Vac Inrush current 90A Max at 230Vac Power consumption 48W Max Output Voltage 0 4 8ALoad 12Vdc 5 Display area 338 x 270 Video signal 0 7 Vpp Contrast Max Brightness Max Ambient 20 5 C Input AC Wa...

Page 10: ...State Power Indicator On 48Watts Green Standby 3Watts Amber Off 3Watts None...

Page 11: ...00 00 110 00 FC 00 56 47 37 30 30 62 2D 120 32 0A 20 20 20 20 00 86 _________________________________________________ ___________________ 08 09 ID Manufacturer Name VSC 10 11 Product ID Code Non Alph...

Page 12: ...52 x 870 75Hz MAC II Apple 38 53 Standard Timing Identification 1 1280 x 1024 60Hz 2 40 not specified 3 42 not specified 4 44 not specified 5 46 not specified 6 48 not specified 7 50 not specified 8 5...

Page 13: ...button board 1 1 MB BOARD The MB board is a four layer single landed design with ground and internal planes provided DC power from the power adapter enters the board through the DC jack Other connecto...

Page 14: ...or red green and blue The analog RGB signals are connected to gm2121 as described below d OSD The gm2121 has a fully programmable high quality OSD controller The on chip static RAM 4096 words by 24 bi...

Page 15: ...is case the output voltage is 5 Volts The AIC1117 is a low dropout positive adjustable regulator with minimum of 1A output current capability so it is well suited for 3 3 V and 2 5 V Regulator U6 is a...

Page 16: ...a general purpose AC DC adapter which converts 90 240 Vac to a stabilized DC 12V with rated output current of 4 16A Electrical specification described as below ViewSonic Corporation 12 Confidential D...

Page 17: ...n to exit the item 3 Color Adjust Page Press 2 Button to enter Color Adjust page Press 1 Button to exit the page Press Up Button to the previous item or Down Button to the next item 1 sRGB Item 2 9300...

Page 18: ...rrent item low 3 Fine tune Item Press 2 Button to enter Fine tune item Press 1 Button to exit Fine tune item Press Up Button to make current item high Press Down Button to make current item low 4 Shar...

Page 19: ...tion low 4 OSD Time Out Item Press 2 Button to enter OSD Time Out item Press 1 Button to exit OSD Time Out item Press Up Button to make OSD time out long Press Down Button to make OSD time out short 5...

Page 20: ...s low 3 Volume Dialog Press Left Button or Right Button to enter the Volume Dialog Press 1 Button to exit the Volume Dialog Press Left Button to make volume low Press Right Button to make volume high...

Page 21: ...OK Change NG component Fuse1 L16 L17 CN6 Open Change open component L18 L19 D3 Q7 R68 OK Change open component L21 R71 R73 OK Change NG component Change U8 or Check U2 Change U6 L20 R70 R72 OK Change...

Page 22: ...VGA Cabl e NG NG Color abnomal Check RGB input circuit Check LVDS out put circuit Check CN5 Change NG component Change NG component Change CN5 Check CN7 Check Panel Check VGA Cable Check LCD Cable Ch...

Page 23: ...R76 Change NG component Check U2 Change Panel OK OK NG NG No Audio L3 open Change L3 Check U1 Pin 11 0V Check U1 Pin 1 0V Change NG component No Yes No Yes Change Q3 Change Q6 No Yes Check L8 Open Cha...

Page 24: ...01 0969 36L7VRCVS05 Front enclosure 1 11 M CV 0830 2377 EBL7V006015 Base 1 12 M SCW 0824 0795 MM40080BCI5 Screw To assembly the cabinet 12 13 M LCD 0826 0213 AA17EL01001 LCD panel LG LM170E01 A5 1 14...

Page 25: ...S15103J909 RESISTOR CHIP 510 1 10W 5 0603 R96 1 40 N A CS21003F904 RESISTOR CHIP 1K 1 10W 1 0603 R67 R69 2 41 N A CS23003F900 RES CHIP 3K 1 10W 1 0603 R68 1 42 N A CS24703J900 RES CHIP 4 7K 1 10W 5 06...

Page 26: ...002010 LED LENS EBL7V002 REV3A 1 102 N A 3AL7VLBVS02 L7VB LCD BKT LOWER ASSY 1 103 M LB 0813 0893 FCL7V007012 MYLAR COSMETIC L7VB FCL7V007 REV3B 1 104 M BK 0805 0026 FBL7V017017 LCD BKT LOWER L7VB FBL...

Page 27: ...CD VG700B 2 B HGL7V006010 USER MANUAL CD L7VB LG HGL7V006 REV3A 1 147 P BX 0601 0898 HFL7V004016 CARTON L7VB HFL7V004 REV3A 1 148 N A HFL7V002013 COVER CARTON HFL7V002 REV3A 0 05 149 M LB 0813 0745 HC...

Page 28: ...8 Exploded Diagram And Spare Parts List 31 1 14 ViewSonic Corporation 24 Confidential Do Not Copy VG700b 2...

Page 29: ...FBL7V027012 HINGE ASSY L7VB FBL7V027 REV3A 1 25 M MS 0808 8993 FBL7V024013 STAND PLATE L7VB FBL7V024 REV3A 1 26 PL PD 0714 0080 GAL7V001012 RUBBER FOOD F GAL7V001 REV3A 1 27 PL PD 0714 0081 GAL7V0020...

Page 30: ...D controller Key pad Panel EEPROM 24C16 5 Reset Max6326 U3 FlashROM W39F010P U4 DDC 24C21 U9 Crystal 14 318MHz X1 TPA3003D2 U1 Li nein CN3 Out put connector CN4 Volume Control Mute Speaker Assy 9 Bloc...

Page 31: ...PWR GPIO10 GPIO9 Mute_F VGA EN GPO1 GPO2 Display 5 Display GPIO7 GPIO6 GPIO8 IRQINn GPIO21 IRQn GPIO3 TIMER1 GPIO2 PWM2 GPIO1 PWM1 GPIO0 PWM0 GPIO10 GPIO9 PBIAS LCD_ON OFF MUTE Volume_Adj Mute_F GPO1...

Page 32: ...U9 AT24C21 10SC 2 5 4 8 1 2 3 7 6 5 GND VCC A0 A1 A2 WP SCL SDA D5 5 6V 2 3 D6 5 6V 2 3 R91 100 6 R99 100 6 R100 100 6 R87 100 6 R83 100 6 R77 47K 6 R97 0 6 R94 0 6 R92 0 6 C115 0 1u 6 C106 0 1u 6 CN...

Page 33: ...IO21 IRQn GPIO15 DDC_SCL GPIO14 DDC_SDA GPIO9 GPIO8 IRQINn RESERVED ROM_ADDR0 ROM_ADDR1 ROM_ADDR2 ROM_ADDR3 ROM_ADDR4 ROM_ADDR5 ROM_ADDR6 ROM_ADDR7 ROM_ADDR8 ROM_ADDR15 ROM_DATA0 ROM_DATA1 ROM_DATA2 R...

Page 34: ...4 MMST3906 3 1 2 R14 10K 6 R27 22 6 R28 22 6 R35 4 7K 6 Q2 2N7002 3 2 1 R18 10K 6 L2 1 2 R19 10K 6 R34 5 6K 6 C3 1u 8 R9 10K 6 Q1 MMBT3904L NS 3 2 1 R17 10K 6 NS C8 0 1u 6 C6 0 1u 6 C5 0 1u 6 C7 0 1u...

Page 35: ...2 3 4 5 6 7 8 9 1 H5 MTH276D126 2 3 4 5 6 7 8 9 R69 1K 6 1 C95 1nF 6 C97 1000u 6 3V R68 3K 6 1 C91 0 1u 6 C96 0 1u 6 C90 330u 16V U6 AIC1563 1 2 3 4 5 6 7 8 DC DE CF GND FB VCC IS BOOST R63 0 1206 L19...

Page 36: ...GND VAROUTL VAROUTR AVCC MODE MODE_OUT VCLAMPR BSRP PVCCR PVCCR ROUTP ROUTP PGNDR PGNDR ROUTN ROUTN PVCCR PVCCR BSRN L5 CX000800000 1206 Q6 MMBT3904L 3 2 1 R43 10K 6 C42 0 1u 6 L9 CX000800000 1206 L3...

Page 37: ...A 1 3 2 4 1 H1 MTH276D126 2 3 4 5 6 7 8 9 CN1 4401 11 11P R 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 1 H2 MTH276D126 2 3 4 5 6 7 8 9 LED1 EL 209 2EGW A1 C A2 SW5 HDK632A 1 3 2 4 SW3 HDK632A 1 3...

Page 38: ...11 PCB Layout Diagrams ViewSonic Corporation 34 Confidential Do Not Copy VG700b 2...

Page 39: ...l t i T y n a p m o C d d A l e T x a F l i a m E m e t I t n e l l e c x E d o o G r i a F d a B t n e t n o C l a u n a M e c i v r e S 1 t u o y a L l a u n a M e c i v r e S 2 g n i t s i l d n a...

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