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ViewSonic Corporation

VA503b-1_ VA503m-1

51

7. Recommended Spare Parts List

Confidential - Do Not Copy

ViewSonic Model Number: VS11248
Rev: 1d

Serial No. Prefix: Q78

Item

ECR/ECN

ViewSonic P/N

Ref. P/N

Location

Universal number#

1

Power Cord

Added on 11/13/06

A-00003716

89G402A18N LS

2

Power Cord (EUROPE)

A-00004962

89G404A18N LS

3

Power Cord (CHINA)

A-00006663

89G414A18N LS

4

Power Cord (AP)

Added on 07/31/06

A-00006703

89G420A18N IS

5

Key Board

B-00005797

KEPC560KE1P

6

Power Cord

B-00005798

PWPC1521HDV1P

7

Conversion Board

Added on 07/31/06

B-00006704

CBPC561KH5VWP

8

Conversion Board

Added on 11/13/06

B-00008194

CBPC560KV5VWP

9

Bezel

C-00005799

34G1877B4Z B

10

Rear Cover

C-00005800

34G1878 4Z 2B

11

Base

C-00005821

34G1880 4Z B

12

Hinge Cover

C-00006646

33G5020 4Z B

13

Wire Harness

CB-00005801

95G8014 16701 X

14

Wire Harness

Added on 07/31/06

CB-00006650

95G8018 24 16 Q

15

Signal Cable

Added on 07/31/06

CB-00006702

89G 725HAA704

16

Carton Label

DC-00003727

40G 459709 1B

17

H/V Warning Label

DC-00003729

40G 459709 4A

18

Hg Label

DC-00003730

40G457B709 1A

19

HI-POT Label For 17-LCD

DC-00003731

40G 459709 5A

20

S/N Label

DC-00005635

40G581B709 4A

21

Manual P/N Label

DC-00005636

40G 58162435A

22

CD Manual

DC-00005804

70G1501709 1A

23

Model Label

DC-00005812

40G 45760819A

24

SPECIAL PAPER FOR CARTON/PALLET

Added on 11/13/06

DC-00005813

40G 581 26704

25

QSG

Added on 07/31/06

DC-00006645

J41G7801709 7B

26

ID Label

Added on 11/13/06

DC-00008160

J40G 15T709 4A

27

Insert Card

Added on 11/13/06

DC-00008161

J41G780170914A

28

CD Manual

Added on 11/13/06

DC-00008162

J70G1501709 5A

29

IC M24C02-WMN6TP

E-00003738

56G1133 34

U404

30

RESET_4.38V_G690H438T73U

Added on 11/13/06

E-00003739

56G 643 20

U406

31

IC AP1084K33LA

Added on 11/13/06

E-00004979

56G 563 21

U702

32

IC M24C16-WMN6TP

E-00004982

56G1133 56

U403

33

AIC1084-33PM TO-263

E-00005651

56G 563 7

U702

34

TSUM16AK PQFP-128 IC

E-00005806

56G 562100

U401

35

AIC1084-33PE TO-252

E-00005807

56G 563 25

U701

36

MAX810STRG SOT-23 IC

E-00005808

56G 643 5A

U406

37

Panel

Added on 07/31/06

E-00006653

750GLH50X1732N000V

38

PM25LV010-25SCE

Added on 07/31/06

E-00006711

56G1133 63

U402

39

LCD Module HSD150MX17-A02

Added on 10/9/06

E-00008092

750GLH50 X17-31N-000V

40

Integrated Circuit SG5841

VS-E060344 / Added on 10/27/06

E-00008126

56G 379 75

IC901

41

Resistance 12 k, SMD1206

VS-E060344 / Added on 10/27/06

E-00008127

61L1206123

R909

42

Resistance 220ohm SMD0805

VS-E060344 / Added on 10/27/06

E-00008128

61L0805221

R940

43

Resistance 0.47ohm

VS-E060344 / Added on 10/27/06

E-00008129

61L153M47858F

R919

44

Capacitance 470pF, MD0805

VS-E060344 / Added on 10/27/06

E-00008130

65G0805471 21

C940

45

Photo Coupler TCET1103G

VS-E060344 / Added on 10/27/06

E-00008131

56G 139 5A

IC902

46

Capacitance EUROP

VS-E060344 / Added on 10/27/06

E-00008132

63G210J2242AC

C213

47

Capacitance ARCO 0.22UF

VS-E060344 / Added on 10/27/06

E-00008133

64G180J224AAT

C213

48

IC GM6605-3.3TC3R TO-252

Added on 11/13/06

E-00008193

56G 563 78

U701

49

IC PM25LV010

Added on 11/13/06

E-00008194

56G1133 63 X

U402

50

LCD Module SVA 150XG04TB

Added on 11/13/06

E-00008195

750GLD504TB81N

51

Hardware:

Hinge

HW-00005811

37G 481 1

52

Main Frame

M-00005810

15G8935VSC 1

53

Main Frame

Added on 11/13/06

M-00008051

J15G8935VSCSG3

54

Added on 07/31/06

E-00006651

J44G5001709 1C

Added on 08/21/06

P-00008046

55

PE Bag

P-00005642

45G 76 28 V3

56

PE Bag for Base

P-00005643

45G 88606

57

PE Bag

P-00005644

45G 88607

58

EPS(L)

P-00005817

J44G5001 1

59

EPS(R)

P-00005818

J44G5001 2

60

Generic Foam Set

P-00001345

31468

61

Generic Box

P-00002513

20656

62

Plastics:

Stand

PL-00005820

34G1879 4Z B

Remark 1: Above listed items are examples, supplier can expand the rows to add more necessary items.
Remark 2:

Cables:

[All Cables]

Documentation:

Electronic
Components:

[CRT-

EEPROM, Fly Back
Transformer,
Microprocessor]
[LCD TV-Panel]

Miscellaneous:

Packing Material:

[Box, Foam]

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.

RECOMMENDED SPARE PARTS LIST (VA503B)

Description

Craft Box

Accessories:

[Adapter, Remote
Control]

PC Board Assembly:

[All PCBA]

Cabinets:

[Front Panel, Back
Cover, Base]

«
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Содержание VA503b-1

Страница 1: ...ViewSonic VA503b 1 VA503m 1 Model No VS11248 15 Color TFT LCD Display VA503b 1_ VA503m 1_SM Rev 1c Nov 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual...

Страница 2: ...rranty 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 obl...

Страница 3: ...ion 4 3 Front Panel Function Control Description 13 4 Circuit Description 19 5 Adjustment Procedure 26 6 Troubleshooting Flow Chart 50 7 Recommended Spare Parts List 51 8 Exploded Diagram and Exploded...

Страница 4: ...e immediately and consult your service technician Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto...

Страница 5: ...he 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 monitor...

Страница 6: ...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 Mura...

Страница 7: ...1024 x 768 60Hz Analog 75ohms 0 7 1 0 Vp p Yes Input Signal Digital DVI D No Separate Sync Yes Composite Sync No Sync Compatibility Sync on Green No PC Yes Power Mac Yes Compatibility TV Box NextVisio...

Страница 8: ...t Voltage Range 100 TO 240 VAC Input Frequency Range 50 TO 60 HERTZ Short Circuit Protection Output can be shorted without damage Over Current Protection 1 13V_4 5A 5V_1 5A 2 5V_6A 13V_2A Leakage Curr...

Страница 9: ...7 640 x 480 75Hz 37 5kHz Yes 8 640 x 480 85Hz 43 27kHz Yes 9 720 x 400 70Hz 31 5kHz Yes 10 800 x 600 56Hz 35 1kHz Yes 11 800 x 600 60Hz 37 9kHz Yes 12 800 x 600 72Hz 48 1kHz Yes 13 800 x 600 75Hz 46 9...

Страница 10: ...the screen image stability under any conditions Connector PC99 requirement Audio in Lime Green pantone 577C Cable type length 3 5mm stereo cable 1 8m length Audio DPMS Note There is no guarantee 1 W p...

Страница 11: ...1 ms max Panel Defects Please see Panel Quality Specifications 2nd Panel Source AUO M150XN07 v3 Type TN LVDS Active Size 304 128 mm H x 228 096mm V Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0...

Страница 12: ...s Tf 11 ms max Panel Defects Please see Panel Quality Specifications 4th Panel Source SVA 150XG04TB Type TN LVDS Active Size 304 1 mm H x 228 1mm V Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0...

Страница 13: ...K CCT min 4860K Preset 3 5400K CCT Max 5830K CCT Min 4860K u v 0 01 Full White pattern Preset Color Temperature Each color preset shall be adjustable Red Green and Blue shall be individually controlle...

Страница 14: ...Color The reference for the bezel is the silver color VA503m and the midnight gray color VA503b chip provided by ViewSonic Neck Base and Rear Cover Color The reference for the bezel is the black color...

Страница 15: ...o input 2 Green video input 3 Blue video input 4 No Connection 5 Ground 6 Red video ground 7 Green video ground 8 Blue video ground 9 5V 10 H V sync ground 11 No connection 12 SDA 13 Horizontal sync C...

Страница 16: ...ViewSonic Corporation VA503b 1_ VA503m 1 13 3 Front Panel Function Control Description Confidential Do Not Copy...

Страница 17: ...1 and 2 Exit or select the Brightness control 4 To adjust the control press the up or down T buttons 5 To save the adjustments and exit the menu press button 1 twice The following tips may help you o...

Страница 18: ...cause the Contrast and Brightness adjustments to be disabled 9300K Adds blue to the screen image for cooler white used in most office settings with fluorescent lighting 6500K Adds red to the screen im...

Страница 19: ...s the timing mode video signal input coming from the graphics card in the computer the LCD model number the serial number and the ViewSonic website URL See your graphics card s user guide for instruct...

Страница 20: ...elow Resolution Notice advises the optimal resolution to use 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...

Страница 21: ...h button 2 recall both of Contrast and Brightness to default 1 2 toggle 720x400 and 640x400 mode when input 720x400 or 640x400 mode 1 keep pushing 5 sec White Balance Not shown on user s guide 1 Power...

Страница 22: ...ION DESCRIPTION The main board contains 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 Boa...

Страница 23: ...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 prote...

Страница 24: ...face 4mA driving strength UART transmitter GPIO I O w 5V tolrant 66 DDCA_SDA RS232_RX DDC data for analog interface UART transmitter GPIO Input w 5V tolrant 19 RST Chip reset High reset Input w 5V tol...

Страница 25: ...Circuit Diagram ViewSonic Corporation VA503b 1_ VA503m 1 22 Confidential Do Not Copy...

Страница 26: ...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 tied to...

Страница 27: ...g 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 prima...

Страница 28: ...T 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 amplifier...

Страница 29: ...oceeding White Balance adjustment 1 Adjust 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...

Страница 30: ...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...

Страница 31: ...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 7120...

Страница 32: ...Signal Pattern or PC with SXGA resolution and a sound card 3 Test Condition Before function test and alignment each LCD Monitor should be warmed up for at least 30 minutes with the following condition...

Страница 33: ...able 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 Color Intensiti...

Страница 34: ...kness 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 ViewSonic Corporation VA503b 1_ VA503m 1 31 C...

Страница 35: ...pass test program Fine Tune and Sharpness Test Signal 1024 768 60Hz Test Pattern Line Moire Pattern Check and see if the image has noise and focus performs well Eliminate visual line bar If not readj...

Страница 36: ...l Test Pattern liberty Make sure there is audio output Make sure that audio function volume 80 is working without noise and resonance Make sure that the sound of right and left speakers are in balance...

Страница 37: ...Fixture VGA Cable P N 42 59901 003 1 Pin 4 11 should be connected to GND PC Personal Computer LPT Cable P N 42 59906 001 1 Firmware Upgrade Program One additional monitor for checking the program exe...

Страница 38: ...3 VA903 set to be connected with AC cable and VGA cable Step 2 Execute the MSstar ISP tool Step 3 Click Config button Select the Port Type LPT1 and the Base Addr 0x378 on Communication Setting flame a...

Страница 39: ...Dialog will be showed If not the error dialog will be done Step 5 Click Device button Select the PMC25LV010 or SST25VF010 viewed on your set Step 6 Click Read button Select the object bincode on your...

Страница 40: ...n Step 8 If the flashing F W has been completed Ok message will be showed on the right TextBox Step 9 Unplug and replug power cord of VA503 VA703 VA903 set and then check the OSD operation and image o...

Страница 41: ...by VGA Cable 3 2 2 Connect P1 of Fixture with Printer port of PC by LPT Cable 3 2 3 Plug Power Adapter to Fixture 3 2 4 Connect Power Cord to VA503 VA703 VA903 Monitor 3 2 5 Connect PC to the additio...

Страница 42: ...3 3 DDC Key In Procedure Sep1 Select and execute DDc Key In program ViewSonic Corporation VA503b 1_ VA503m 1 39 Confidential Do Not Copy...

Страница 43: ...Sep2 Inpute the S N and execute Enter ViewSonic Corporation VA503b 1_ VA503m 1 40 Confidential Do Not Copy...

Страница 44: ...ViewSonic Corporation VA503b 1_ VA503m 1 41 Confidential Do Not Copy...

Страница 45: ...Sep3 Key the Enter and write the data ViewSonic Corporation VA503b 1_ VA503m 1 42 Confidential Do Not Copy...

Страница 46: ...Sep4 If ddc program OK and show data compare ok ViewSonic Corporation VA503b 1_ VA503m 1 43 Confidential Do Not Copy...

Страница 47: ...e Key board as showed in the following the picture 9 10 7 Remove the back cover refer to the following picture 11 8 Disassemble the 3 fixed screw in the shield remove the shield as the direction arrow...

Страница 48: ...1 3 Show pictures Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6 ViewSonic Corporation VA503b 1_ VA503m 1 45 Confidential Do Not Copy...

Страница 49: ...Picture 7 Picture 8 Picture 9 Picture 10 Picture 11 Picture 12 ViewSonic Corporation VA503b 1_ VA503m 1 46 Confidential Do Not Copy...

Страница 50: ...Picture 13 Picture 14 Picture 15 Picture 16 ViewSonic Corporation VA503b 1_ VA503m 1 47 Confidential Do Not Copy...

Страница 51: ...Picture 17 ViewSonic Corporation VA503b 1_ VA503m 1 48 Confidential Do Not Copy...

Страница 52: ...cond picture third picture fourth picture fifth picture sixth picture seventh picture eighth picture ninth picture Tenth picture Packing Procedure ViewSonic Corporation VA503b 1_ VA503m 1 49 Confident...

Страница 53: ...ViewSonic Corporation VA503b 1_ VA503m 1 50 6 Troubleshooting Flow Chart Confidential Do Not Copy...

Страница 54: ...ded on 07 31 06 E 00006653 750GLH50X1732N000V 38 PM25LV010 25SCE Added on 07 31 06 E 00006711 56G1133 63 U402 39 LCD Module HSD150MX17 A02 Added on 10 9 06 E 00008092 750GLH50 X17 31N 000V 40 Integrat...

Страница 55: ...Added on 11 13 06 E 00005829 78G 455 1 Y 43 Panel E 00006653 750GLH50X1732N000V 44 MAX810STRG SOT 23 IC Added on 07 3106 E 00006706 56G 643 6 U406 45 PM25LV010 25SCE E 00006711 56G1133 63 U402 46 LCD...

Страница 56: ...45G 77 3 TRANSPARENT SHEET 173 27 P 00005643 45G 88606 PE BAG FOR BASE 1 28 P 00005644 45G 88607 PE BAG 1 29 N A 50G 600 1 W WHITE PACKING TAPE 74 30 N A J50G 600 5 HANDLE1 1 31 N A J50G 600 6 HANDLE...

Страница 57: ...VA503M 1 60 P 00005817 J44G5001 1 EPS L 1 61 P 00005818 J44G5001 2 EPS R 1 62 P 00008046 J44G5001709 1C CARTON 1 63 DC 00006645 J41G7801709 7B QSG 1 64 DC 00008161 J41G780170914A INSERT CARD 1 65 DC 0...

Страница 58: ...5816 45G 88609 EPE COVER 1 31 N A 50G 600 1 W WHITE PACKING TAPE 74 32 N A J50G 600 5 HANDLE1 1 33 N A J50G 600 6 HANDLE2 1 34 N A 52G 1185 MIDDLE TAPE FOR CARTON 10 35 N A 52G 1185 24 TAPE 65 36 N A...

Страница 59: ...ber Q ty 68 DC 00006660 J41G7801709 8B QSG 1 69 N A J41G780170914A INSERT CARD 1 70 N A J52G8001 9 NON WOVEN FABRICS 4 71 N A J52G8001 10 NON WOVEN FABRICS 2 72 N A J70G1501709 6A CD MANUAL 1 ViewSoni...

Страница 60: ...8 Exploded Diagram and Exploded Parts List ViewSonic Corporation VA503b 1_ VA503m 1 57 Confidential Do Not Copy VA503b...

Страница 61: ...731 MYLAR 1 10 N A PWPC1942HV1P POWER BOARD 1 11 N A 52G6025 11582 MYLAR 1 12 N A M1G1730 6120 SCREW 3 13 N A CBPC980KH5VWAP CONVERSION 1 14 N A M1G1730 6120 SCREW 4 15 N A 85G645 1 SHIELD 1 16 N A M1...

Страница 62: ...4 9 N A 52G6025 11731 MYLAR 1 10 B 00006463 PWPC1942HV1P POWER BOARD 1 11 N A 52G6025 11582 MYLAR 1 12 N A M1G1730 6120 SCREW 3 13 B 00006490 CBPC980KH5VWAP CONVERSION 1 14 N A M1G1730 6120 SCREW 4 15...

Страница 63: ...ViewSonic Corporation VA503b 1_ VA503m 1 60 VA503m Confidential Do Not Copy...

Страница 64: ...6120 SCREW 3 13 N A CBPC980KH5VWAP CONVERSION 1 14 N A M1G1730 6120 SCREW 4 15 N A 85G645 1 SHIELD 1 16 N A M1G330 4120 SCREW 1 17 N A 15G5791 1 VESA BRACKET 1 18 N A 34G1878 4Z 1B REAR COVER 1 19 N A...

Страница 65: ...KH5VWAP CONVERSION 1 14 N A M1G1730 6120 SCREW 4 15 N A 85G645 1 SHIELD 1 16 N A M1G330 4120 SCREW 1 17 N A 15G5791 1 VESA BRACKET 1 18 N A 34G1878 4Z 1B REAR COVER 1 19 N A 12G808 1 VESA RUBBER 4 20...

Страница 66: ...ViewSonic Corporation VA503b 1_ VA503m 1 63 Packing for Shipping VA503b Confidential Do Not Copy...

Страница 67: ...CB 00006702 89G 725HAA704 SIGNAL CABLE 1 12 N A 34G1800 4Z B BASE 1 Rev 1a Item ViewSonic P N Ref P N Location Q ty 1 P 00005819 J44G5001709 1A CARTON 1 2 N A 50G 600 2 3 HANDLE1 2 1 3 P 00005642 45G...

Страница 68: ...ViewSonic Corporation VA503b 1_ VA503m 1 65 Packing for Shipping VA503m Confidential Do Not Copy...

Страница 69: ...E 1 14 N A 34G1800KRB BASE 1 ViewSonic Model Number VS11248 Rev 1a Item ViewSonic P N Ref P N Location Q ty 1 P 00005831 J44G5001709 2A CARTON 1 2 N A 50G 600 2 3 HANDLE1 2 1 3 P 00005642 45G 76 28 V3...

Страница 70: ...ation VA503b 1_ VA503m 1 67 9 Block Diagram Flash LCD Interface Scaler TSUM16AK Include ADC OSD MCU etc OSDControl Interface Keypad Crystal 14 318MHZ EEPROM 24C16 D SUB Connector EEPROM 24C02 Confiden...

Страница 71: ...1 16W R730 0 1 16W 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 H3 TP H3 TP R 51 1 16W R 51 1 16W R 100 1 16W R 100 1 16W C 1uF 16V C 1uF 16V C710 100uF 25V C710 100uF 25V D 1N4148 D 1N4148 C 4 7uF 16V C 4 7uF...

Страница 72: ...1 16W R30 75 1 16W R33 100 1 16W R33 100 1 16W 3 1 2 D3 BAV99 D3 BAV99 3 1 2 D5 BAV70 D5 BAV70 D7 MLL5232B 5 6V D7 MLL5232B 5 6V R36 1K 1 16W R36 1K 1 16W A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8...

Страница 73: ...3 120 1 16W C414 0 1uF C414 0 1uF C424 0 1uF C424 0 1uF R475 3 9K 1 16W R475 3 9K 1 16W RIN0P 59 GIN0P 56 SOGIN0 57 BIN0P 54 RIN0N 58 GIN0N 55 BIN0N 53 HSYNC0 63 VSYNC0 64 REXT 51 REFP 62 REFM 61 SDO...

Страница 74: ...10W D205 1N4148 Q206 KTC5103L Y U P C203 470uF 25V C211 12pF 3KV Q203 AOU401L 2 1 3 TP2 HVO 1 R214 12K 1 10W C208 0 1uF 25V R232 51K 1 10W R202 220 1 10W R210 47K 1 10W ON OFF R228 1K 1 4W C214 12pF...

Страница 75: ...5 CLKBN BA3N PA19 LVA0M PA7 GPOO4 CLKAP FCLKP CLKV GPOO3 STV1 GPOO2 RA3P FB0P GA2P FG1P RA1P FB2P STV2 GA2N FG1N CLKAN FCLKN RA2N FB1N RA1N FB2N BA1N FR2N BA3P FR0P OE GPOO4 LP GPOO1 FG0N GA3N GA1N FG...

Страница 76: ...7 9 11 13 CN202 pin header2 7 2mm female CN202 pin header2 7 2mm female 1 4 5 2 3 CN201 PHONEJACK CN201 PHONEJACK R207 1K R207 1K C213 0 1uF C213 0 1uF C201 680uF 25V C201 680uF 25V R210 20K 1 16W R2...

Страница 77: ...LED_Y LED_G KEY_AUTO KEY_LEFT A_GND GND A_GND GND GND A_GND 1 2 CN4 SPK L CN4 SPK L C01 100pF C01 100pF 2 4 6 8 10 12 1 3 5 7 9 11 CN001 CONN CN001 CONN 1 2 CN3 SPK R CN3 SPK R SW4 KEY_LEFT SW4 KEY_L...

Страница 78: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 75 11 PCB Layout Diagram...

Страница 79: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 76...

Страница 80: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 77 MAIN BOARD PCB BUTTON VIEW...

Страница 81: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 78 POWER PCB VIEW...

Страница 82: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 79...

Страница 83: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 80 KEYBOARD TOP VIEW KEYBOARD BUTTON VIEW AUDIO PCB TOP VIEW...

Страница 84: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 81 AUDIO PCB BUTTON VIEW AUDIO PCB TOP VIEW...

Страница 85: ...djustment 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 Diagrams B Are you satis...

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