background image

5

1

ViewSonic 

Corporation 

Co

nfidential  

Do 

Not 

Copy 

 

 

 

VG920-1

Serial No. Prefix: PT1

Rev: 1b

Item

ECR/ECN

ViewSonic P/N

Ref. P/N

Location

Universal number#

Q'ty

1

POWER CORD(AMERICA)

A-00003716

89G402A18N LS

1

2

POWER CORD(EUROPE)

A-00004962

89G404A18N LS

1

3

POWER CORD(CHINA)

A-00006663

89G414A18N LS

1

4

POWER CORD(AP)

A-00006664

89G420A18N LS

1

5

POWER CORD(AUSTRALIA)

A-00006665

89G412A18NIS3

1

6

AUPC BOARD

B-00003717

AUPC980A8P

1

7

KEY BOARD

B-00003719

KEPC980KB8SMTP

1

8

CONVERSINON BOARD(AU PANEL)

B-00003769

CBPC980KA6VWP

1

9

POWER BOARD(AU PANEL)

B-00003770

PWPC1942AUV1P

1

10

CONVERSINON BOARD(HYDIS PANEL)

B-00006666

CBPC980KK6VWP

1

11

CONVERSINON BOARD(HSD PANEL)

B-00006667

CBPC980KH6VWP

1

12

POWER BOARD(HYDIS)

B-00006668

PWPC1942HDV1P

1

13

POWER BOARD(HSD PANEL)

B-00006669

PWPC1942HSV1P

1

14

BEZEL

C-00003771

34G1687AKR B

1

15

REAR COVER

C-00003772

34G1688 KR B

1

16

AUDIO CABLE

CB-00003723

89G 173 56507

1

17

WIRE HARNESS

CB-00003726

95G8014 16921

1

18

SIGNAL CABLE

CB-00006670

89G 728GAA902

1

19

WIRE HARNESS

CB-00006677

95G8018 30906   Q

1

20

DVI SIGNAL CABLE

CB-00006701

89G1748GAA 11

1

21

CARTON LABEL

DC-00003727

40G 459709 1B

1

22

H/V WARNING LABEL

DC-00003729

40G 459709 4A

1

23

Hg LABEL

DC-00003730

40G457B709 1A

1

24

HI-POT LABEL FOR 17-LCD

DC-00003731

40G 459709 5A

1

25

S/N LABEL

DC-00003734

40G 459709 2B

1

26

8ms STICKER

DC-00005639

40G581B709 3A

1

27

CD MANUAL(AU PANEL

DC-00006672

J70G1701709 4C

1

28

QSG

DC-00006673

J41G7801709 4B

1

29

CD MANUAL(HSD PANEL)

DC-00006675

70G1901709 1A

1

30

CD MANUAL(HYDIS PANEL)

DC-00006676

70G1701709 7B

1

31

24LC16B/SNG SOIC-8PIN

E-00003736

56G113356A

U403

1

32

IC M24C02-WMN6TP

E-00003738

56G1133 34

U404

1

33

IC MICROPROCESSOR MAX810

E-00003739

56G 643 6

1

34

TSUM56AK-LF PQFP-100

E-00003742

56G 562108

U401

1

35

PM25LV010-25SCE(AU PANEL)

E-00003777

56G1133 63AA2

U402

1

36

19" LCD PANEL(HYDIS PANEL)

E-00005169

750GLK90E11

1

37

AIC1084-33PM TO-263

E-00005651

56G 563  7

U702

1

38

19" LCD PANEL(HSD PANEL)

E-00006674

750GLU90N45 12

1

39

SCREW

HW-00003746

M1G1030 6225

4

40

SCREW

HW-00003750

Q1G 330 6120

4

41

HINGE

HW-00003778

37G 547 1

1

42

MAIN FRAME(AU PANEL)

HW-00003779

15G8235 1

1

43

SCREW

HW-00003780

M1G2940 10225

4

44

SCREW

HW-00003781

Q1G 130 12120

1

45

SCREW

HW-00003782

Q1G1030 12120

4

46

SCREW

HW-00005628

M1G1730  6128

4

47

BASE DIE CASTING

M-00003751

20G 036 1

1

48

MAIN FRAME(HYDIS PANEL)

M-00006678

15G8235 2

1

49

MAIN FRAME(HSD PANEL)

M-00006686

15G8235 3

1

50

EPE COVER

P-00003753

45G 88609 4

1

51

CARTON(HYDIS PANEL

P-00003783

C 44G3943709 1A

1

52

EPS(L)

P-00003785

44G3943 1

1

53

EPS(R)

P-00003786

44G3943 2

1

54

PE BAG FOR MONITOR

P-00003787

45G 88626 1

1

55

PE BAG

P-00005642

45G  76 28 V3

1

56

EPE BAG

P-00006479

45G  88609800

1

57

CARTON(AU/HSD PANEL

P-00006671

J44G3943709 1B

1

58

BASE

PL-00003759

34G1696 KR B

1

59

BASE FRONT BOTTOM

PL-00003760

34G1695 KR B

1

60

BASE FRONT TOP

PL-00003761

34G1694 KR B

1

61

SWIVEL COVER

PL-00003766

34G1697 KR X

1

62

VESA COVER

PL-00003767

34G1691 KR B

1

63

COSMETIC BOTTOM

PL-00003788

34G1690 KD B

1

64

COSMETIC TOP

PL-00003789

34G1689AKD B

1

65

STAND FRONT

PL-00003790

34G1692 KR B

1

66

STAND REAR

PL-00003791

34G1693 KR B

1

Remark 1:

Above listed items are examples, supplier can expand the rows to add more necessary items.

Remark 2:

Miscellaneous:

ViewSonic Model Number:  VS10790

RECOMMENDED SPARE PARTS LIST (VG920-1)

Description

Packing
Material:

Plastics:

All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by
ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.

Accessories

:

PC Board
Assembly:

Cabinets:

Cables:

Documentation:

Electronic
Components:

Hardware:

Summary of Contents for VG920-1

Page 1: ...Model No VS10790 19 Color TFT LCD Display Service Manual ViewSonic VG920 1 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VG920 1_SM Rev 1b Aug 2006...

Page 2: ...anty 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 oblig...

Page 3: ...ription 4 Circuit Description 5 Adjusting Procedure 6 Trouble Shooting Flow Chart 7 Recommended Spare Parts List 8 Exploded View And Exploded Parts List 9 Block Diagram 10 Schematic Diagrams 11 PCB La...

Page 4: ...itor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the glass screen Keep the monitor away from magnetic objects motors TV...

Page 5: ...or the front cover of the monitor Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the monitor with cushions Taking out the mo...

Page 6: ...itor on foreign objects That could scratch the surface of the panel or cause Mura Place the monitor on the lap the panel surface must be upwards The panel is placed facedown on the lap That may cause...

Page 7: ...E VERTICAL 135 deg CR 10 deg CR 5 Response Time 10 90 Ta 25 C 8 ms Tr 5 6 ms Tf 2 4 ms Typ 12 ms Tr 8 4 ms Tf 3 6 ms Max Panel Defects Please see Panel Quality Specifications 2nd Source Panel BOE HT19...

Page 8: ...V Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0 294 mm GLASS TREATMENT Anti Glare Hard coating 3H OF BACKLIGHTS 4 CCFL edge light 2 top 2 bottom BACKLIGHT LIFE 40 000 Hours Min 50 000 Hours typ...

Page 9: ...ive differential input channel 1 11 GND Logic Ground 12 Reserved 12 Reserved No connection 13 Reserved 13 Reserved No connection 14 VCCX Power 15 GND Logic Ground 16 SENS SENSE Pin Pull High 17 RX0 TM...

Page 10: ...he control screen for the highlighted control Also toggles between two controls on some screens Also a shortcut to toggle analog and digital connection Button 2 Displays the control screen for the hig...

Page 11: ...an toggle between control screens adjust the selected option or exit the screen 4 To adjust the setting press the up or down T buttons 5 To save the adjustments and exit the menu press button 1 twice...

Page 12: ...lor adjustment modes including preset color temperatures and a User Color mode which allows independent adjustment of red R green G and blue B The factory setting for this product is 6500K 6500 Kelvin...

Page 13: ...60Hz recommended means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz Manual Image Adjust Sub menu H Size Horizontal Size adjusts the width of the screen image H V Position Horizo...

Page 14: ...OSD Position allows the user to move the OSD menus and control screens OSD Timeout sets the length of time the OSD screen is displayed For example with a 30 second setting if a control is not pushed...

Page 15: ...de 2 Power Button Lock Press and hold 2 for 10 seconds If the power button is pressed the message Power Button Locked will display for 5 seconds With or without this setting after a power failure your...

Page 16: ...panel control logic brightness control logic DDC and DC convert DC circuit and so on Power Board Include adapter inverter Flat Panel and CCFL backlight Main Board Key Board RS232 Connector For white...

Page 17: ...it It changes the 12v DC of power supply to about 600 800v AC that drives the backlight It mostly consists of starting circuit PWM controller DC changing circuit LC surging circuit output circuit and...

Page 18: ...or DVI interface 4mA driving strength I O w 5V tolerant 37 DDCD_SCL DDC clock for DVI interface Input w 5V tolerant 19 RST Chip reset High reset Input w 5V tolerant 22 RSTN Chip reset Low reset Input...

Page 19: ...io amplifier IC 3 W efficient driving speakers as low as 8 range of gain from 40dB to 36 dB The function of each pin and the inside circuit diagram are as follows Circuit Diagram 16 ViewSonic Corporat...

Page 20: ...nd for right channel H bridge PVVCCL 14 15 Power supply for left channel H bridge tied to pins 22 and 23 internally not connected to PVCCR or AVcc PVVCCL 22 23 Power supply for left channel H bridge t...

Page 21: ...necting an optocoupler to this pin the peak current setpoint is adjusted accordingly to the output power demand Skip cycle occurs when FB falls below Vpin1 3 CS Current sense input This pin senses the...

Page 22: ...y 2 RT External timing resistor 10 2OUT Output 2 3 1IN Positive input for error amplifier 1 11 2DTC Output 2 dead time soft start setting 4 1IN Positive input for error amplifier 2 12 2FBK Error ampli...

Page 23: ...4 5 POWER BLOCK FUNCTION DESCRIPTION Inverter Block Function 20 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 24: ...Power Block Function 21 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 25: ...ust of White Balance 1 How to do the Chroma 7120 MEM Channel setting A Reference to chroma 7120 user guide B Use SC key and NEXT key to modify xyY value and use ID key to modify the TEXT description F...

Page 26: ...n factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color1 on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5...

Page 27: ...nnel to Channel 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 0 313 0 03 y 0 329 0 03 Y 220 20 cd m2 4 Adjust the RED of color3 on factory window until chroma...

Page 28: ...display modes 640 480 H 43 27kHz V 85Hz 800 600 H 53 7kHz V 85Hz 1024 768 H 68 67kHz V 85Hz 1280 1024 H 79 97kHz V 75Hz 4 Test Display Modes Pattern Compatible Modes Analog Digital 640 x 350 70Hz 31 5...

Page 29: ...e distinguishable Figure 2 3 Boundary Horizontal Vertical Thickness Horizontal and Vertical position of video should be adjustable to be within the screen frame Figure 3 4 RGB Color Performance RGB Co...

Page 30: ...l Thickness Pattern R Color Pattern Figure 4 Figure 3 G Color Pattern Figure 5 B Color Pattern Figure 6 Full White Pattern Figure 7 Dark Screen Pattern Figure 8 27 ViewSonic Corporation Confidential D...

Page 31: ...sure the F W is the latest version DDC Test Pattern EDID program Make sure it can pass test program Fine Tune and Sharpness Test Signal 1280 1024 60Hz Test Pattern Line Moire Pattern Check and see if...

Page 32: ...he spec Mura Test Pattern White RGB Black Grey Test Tool 10 ND Filter Check if the Mura can pass 10 ND Filter Audio Test Signal Voice signal optional depend on model Test Pattern liberty Make sure the...

Page 33: ...whether the firmware version is the latest If not please do the following procedures to upgrade it to the latest version 1 Equipment Needed VG720 VG920 Monitor Fixture for Firmware Upgrade Power Adap...

Page 34: ...itor 2 5 Connect P3 to the Signal Generator eg Chroma2326 for verifying it after the operation being completed 2 6 Connect PC to the additional monitor 3 Firmware Upgrade Procedure Step 1 Let VG720 VG...

Page 35: ...47 on E2PROM Device Setting flame Step 4 Click Connect button On this step if the connection is successful the Entry ISP Mode Dialog will be showed If not the error dialog will be done Step 5 Click D...

Page 36: ...r corresponding directory Step 7 Click Auto button Execute the flashing action by clicking the Run button Step 8 If the flashing F W has been completed Ok message will be showed on the right TextBox 3...

Page 37: ...VG720 VG720 VG920by VGA Cable 3 2 2 Connect P3 of Fixture with DVI port of VG720 by DVI DVI Cable 3 2 3 Connect P1 of Fixture with Printer port of PC by LPT Cable 3 2 4 Plug Power Adapter to Fixture...

Page 38: ...3 3 DDC Key In Procedure Sep1 Select and execute DDc Key In program 35 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 39: ...Sep2 Inpute the S N and execute Enter 36 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 40: ...37 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 41: ...Sep3 Key the Enter and write the data 38 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 42: ...Sep4 If ddc program OK and show data compare ok 39 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 43: ...5 7 Packing For Shipping 40 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 44: ...L 70G1701709 4B 1 5 QSG 41G7801709 4A 1 6 EPE COVER 45G 88609 4 1 7 MONITOR T980KA6HKGVWABP 1 8 EPE COVER 45G 88609800 1 9 PE BAG 45G 88626 1 1 44G3943 1 1 10 EPS 44G3943 2 1 11 AUDIO CABLE 89G 173 56...

Page 45: ...fer to the following picture 10 7 Disassemble the 5 screws and 4 pins of the PWPC board remove the PWPC board symbolized the following picture 11 with red color 8 Disassemble the 3 screws and 3 pins o...

Page 46: ...1 3 Show pictures Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6 Picture 7 Picture 8 43 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 47: ...Picture 9 Picture 10 Picture 11 Picture 12 Picture 13 44 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 48: ...Picture 14 Picture 15 Picture 16 Picture 17 Picture 18 Picture 19 Picture 20 45 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 49: ...2 Stand A ssy Disassemble Process Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6 46 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 50: ...Picture 7 Picture 8 Picture 9 Picture 10 Picture 11 Pictures 12 47 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 51: ...Picture 13 Picture 14 Picture 15 Picture 16 Picture 17 Picture 18 48 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 52: ...6 Trouble Shooting Flow Chart 49 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 53: ...003777 56G1133 63AA2 U402 1 29 TSUM56AK LF PQFP 100 E 00003742 56G 562108 U401 1 30 HINGE HW 00003778 37G 547 1 1 31 MAIN FRAME HW 00003779 15G8235 1 1 32 SCREW HW 00003746 M1G1030 6225 4 33 SCREW HW...

Page 54: ...G 562108 U401 1 35 PM25LV010 25SCE AU PANEL E 00003777 56G1133 63AA2 U402 1 36 19 LCD PANEL HYDIS PANEL E 00005169 750GLK90E11 1 37 AIC1084 33PM TO 263 E 00005651 56G 563 7 U702 1 38 19 LCD PANEL HSD...

Page 55: ...1 30 HW 00003778 37G 547 1 HINGE ASS Y 1 31 DC 00003775 40G 190709 1A ID VG920 1 32 N A 40G 45760819A LABEL 1 33 DC 00003727 40G 459709 1B CARTON LABEL 1 34 DC 00003734 40G 459709 2B S N LABEL 1 35 D...

Page 56: ...D SMT 102 E 00003740 56G 616 6 ID TPA3003D2PF BRG4 TQFP U601 1 103 E 00003517 61L0603000 CHIPR 0OHM 5 1 10W R602 1 104 N A 61L0603102 CHIPR 1KOHM 5 1 10W R608 1 105 N A 61L0603103 CHIPR 10KOHM 5 1 10W...

Page 57: ...E 00003739 56G 643 6 IC MICROPROCESSOR MAX810 U406 1 174 N A 56G 643 8 IC ASM810MEURF T SOT 23 U406 1 175 E 00003738 56G1133 34 IC M24C02 WMN6TP U404 1 176 E 00003738 56G1133 34 IC M24C02 WMN6TP U405...

Page 58: ...241 N A 61L0603103 CHIPR 10KOHM 5 1 10W R451 1 242 N A 61L0603103 CHIPR 10KOHM 5 1 10W R452 1 243 N A 61L0603103 CHIPR 10KOHM 5 1 10W R457 1 244 N A 61L0603103 CHIPR 10KOHM 5 1 10W R459 1 245 N A 61L...

Page 59: ...32 CHIP 0 1UF 50V X7R C448 1 313 N A 65G0603104 32 CHIP 0 1UF 50V X7R C449 1 314 N A 65G0603104 32 CHIP 0 1UF 50V X7R C450 1 315 N A 65G0603104 32 CHIP 0 1UF 50V X7R C451 1 316 N A 65G0603104 32 CHIP...

Page 60: ...A 77G 604 2 TO TACT SWITCH SW006 1 385 N A 77G 604 2 TO TACT SWITCH SW007 1 386 N A 77G 604 2 TO TACT SWITCH SW008 1 387 N A 81G 14501 KT KTL HKBGE33B TRB LED001 1 388 N A 715G1602 1 KEPC 1 389 B 000...

Page 61: ...A 67G215Y4713NV KY16VB470M CC3 8 15MM C926 1 453 N A 67G215Y4713RV LOW E S R 470UF 20 16 C926 1 454 N A 73G 174 64 L LINE FILTER LF 004057 1 L902 1 455 N A 73G 174 64 LS LINE FILTER L902 1 456 N A 73...

Page 62: ...2 1 526 N A 61L0805680 CHIP 68OHM 1 8W R909 1 527 N A 61L0805681 CHIP 680OHM 1 8W R229 1 528 N A 61L0805753 75K 1 8W R913 1 529 N A 61L1206000 CHIPR 0OHM 5 1 4W F902 1 530 N A 61L1206000 CHIPR 0OHM 5...

Page 63: ...O 35 D208 1 595 N A 93G 64 1152T DIODE 1N4148 DO 35 D209 1 596 N A 93G1020 752T UF4003PT DO 41 DIODE 1A D902 1 597 N A 95G 90 23 TINCOATEDCOPPER J900 1 598 N A 95G 90 23 TINCOATEDCOPPER J901 1 599 N A...

Page 64: ...7G 763 12 AOU401L TO 251 Q203 1 641 N A 90G6259 1 HEAT SINK 1 642 N A AM1G1730 6128 SCREW 1 643 N A 705G 980 88 A1 ASS Y 644 N A 51G 200 1 OIL 1 645 N A 51G 200 1 OIL 1 646 N A 57G 761 7 TRANSISTOR KT...

Page 65: ...1 35 PL 00003759 34G1696 KR B BASE 1 36 PL 00003766 34G1697 KR X SWIVEL COVER 1 37 HW 00003778 37G 547 1 HINGE ASS Y 1 38 DC 00005812 40G 45760819A MODEL LABEL 1 39 DC 00003727 40G 459709 1B CARTON LA...

Page 66: ...1 93 HW 00005628 M1G1730 6128 SCREW 2 94 HW 00005628 M1G1730 6128 SCREW 3 95 HW 00005628 M1G1730 6128 SCREW 4 96 HW 00003780 M1G2940 10225 M4 10 4 97 N A Q1G 130 6 47 SCREW 3 98 N A Q1G 130 8120 SCREW...

Page 67: ...Model Title Date Rev ViewSonic Corporation 64 ViewSonic Corporation Confidential Do Not Copy VG920 1 8 Exploded Diagram and Exploded Parts List...

Page 68: ...ON BRACKET 1 10 N A 52G6025 11 907 MYLAR SHEET TOP 1 11 N A 52G6025 11 908 MYLAR SHEET BOTTOM 1 12 N A 23G3178709 6A BIRD LOGO E015 006 1 13 N A 23G3178709 4A VIEWSONIC LOGO E015 016 1 1 14 N A 11G800...

Page 69: ...ASE 1 7 N A 34G1697 KR X SMIVEL COVER 1 8 N A 33G4917 KR X ROLLER 4 9 N A 33G4918 KR X CABLE CLIP 2 10 N A 37G547 1 HINGE 1 11 N A 20G036 1 BASE DIECASTING 1 12 N A 15G8237 1 VESA PLATE 1 13 N A 15G80...

Page 70: ...9 Block Diagram Scaler TSUM56AK Include ADC OSD MCU etc Flash 67 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 71: ...712 4 7K 1 16W R715 NC R710 NC 12 21 MODIFY R706 NC C719 NC 10uF 16V R722 NC 5V 3 4 R719 NC 10K Q703 PMBS3904 TO 263 R701 1K 1 16W C707 100uF 25V R726 NC 4K7 D704 SSM12L Vf 0 38V and If 1A So when sys...

Page 72: ..._P23 74 AVDD_PLL 52 AVDD_MPLL 34 AVDD_MPLL 4 VDDP 95 VDDP 103 VDDP 115 VDDC 117 AVDD_ADC 60 GND 13 U401 TSUM57AK C423 22pF GND 1 RST 2 VCC 3 U406 ASM810MEURF T R486 NC PB11 X401 14 318MHz Volume C421...

Page 73: ...6V R445 100 1 16W 3 1 2 D417 BAV99 R449 2 2K 1 16W 3 1 2 D413 BAV70 3 1 2 D418 BAV99 D416 LL5232B 5 6V 5 R470 1K 1 16W C445 0 1uF R446 1K 1 16W R438 75 1 16W R444 10K 1 16W C439 0 1uF R441 100 1 16W...

Page 74: ...1uF 25V R232 51K 1 10W R202 220 1 10W R210 47K 1 10W ON OFF R228 1K 1 4W C214 12pF 3KV CN201 CONN 1 2 TP1 HVO 1 12V R223 1 8K 1 4W R203 2 4K 1 10W is power GND D207 1N4148 D206 1N4148 D202 1N4148 R22...

Page 75: ...B 1 2 3 5V R925 0 1 8W IC903 KIA431A AT P D923 LL4148 GS08 Q902 2PA733P 1 3 2 R900 330K 1 8W ZD901 RLZ18B 1 2 D901 BA159GPT R932 1K 1 10W R917 10K 1 10W R915 22 1 10W R918 0 39 2W R933 2 4K 1 10W C905...

Page 76: ...600 OHM C628 0 1uF 16V C621 0 1uF 16V C607 0 01uF C626 0 01uF C629 0 01uF C613 1uF 16V C614 1uF 16V C616 1uF 16V C619 1uF 16V C623 1uF 16V 5 4 1 3 2 CN601 PHONEJACK C624 1uF 16V C610 1uF 16V FB605 600...

Page 77: ...KEY UP GND VOLUME VOLUME LED ORANGE MUTE LED GREEN 1 2 3 4 5 6 7 8 9 10 11 CN001 CONN SW003 SW SW004 SW SW005 SW SW006 SW SW007 SW SW008 SW SW002 SW GND Model Title Date Rev ViewSonic Corporation KEY...

Page 78: ...11 PCB Layout Diagram 11 1 MAIN BOARD PCB TOP VIEW 75 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 79: ...11 2 MAIN BOARD PCB BUTTON VIEW 76 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 80: ...11 3 KEYBOARD TOP VIEW 11 4 KEYBOARD BUTTON VIEW 77 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 81: ...11 5 POWER PCB TOP VIEW 78 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 82: ...11 6 POWER PCB BUTTON VIEW 79 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 83: ...11 7 AUDIO PCB TOP VIEW 80 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 84: ...11 8 AUDIO PCB BUTTON VIEW 81 ViewSonic Corporation Confidential Do Not Copy VG920 1...

Page 85: ...uit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagr...

Reviews: