ViewSonic VA703b-4 Service Manual
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ViewSonic VA703b-4 Service Manual

17” color tft lcd display
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Service Manual

ViewSonic VA703b-4
VA703m-4
Model No. VS11366
17" Color TFT LCD Display
(VA703b-4_VA703m-4_SM Rev. 1b Oct. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VA703b-4

  • Page 1: Service Manual

    Service Manual ViewSonic VA703b-4 VA703m-4 Model No. VS11366 17” Color TFT LCD Display (VA703b-4_VA703m-4_SM Rev. 1b Oct. 2006) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

    Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.

  • Page 3: Table Of Contents

    Specification Front Panel Function Control Description Circuit Description Adjustment Procedure Troubleshooting Flow Chart Recommended Spare Parts List Exploded Diagram and Exploded Parts List Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams ViewSonic Corporation VA703b-4_VA703m-4 Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    In case parts need to be replaced, you must use identical parts or those supplied by our certified manufacturers. Any other parts used without our authorization may result in electrical shock or fire risk. ViewSonic Corporation Confidential - Do Not Copy...
  • Page 5 DO not touch the that may cause”mura” surface of the POL Take out the monitor with cushions Taking out the monitor by grasping the LCD panel, that May cause”mura” ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 6: Viewsonic Corporation

    Placing the monitor on a foreign objects, that could scratch Place the monitor on a clean and soft foam pad The surface of the "Panel" or cause "mura" The panel is placed facedown the lap,that may cause "mura" ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 7: Specification

    2. Specification INTRODUCTION FEATURES VA703b-4 / VA703m-4 Size 17 “ Luminance (Typ) 280 cd/¢T TFT LCD panel Contrast Ratio (Typ) 600 :1 INNOLUX MT170EN01 Colors 16.2 M colors (6+2bit panel) Response Time (Typ) 8 ms Viewing Angle (H/V) 150 ° / 135°...

  • Page 8: Va703B-4_Va703M-4

    PRODUCT DEFINITION AND SPECIFICATION Product Name VA703b-4 / VA703m-4 Model Number VS11366 M model for America E model for Europe G model for China P model for Asia Region A model for Australia S model for Singapore K model for Korea...
  • Page 9 640 x 350, 640 x 480, 720 x 400 (640 x 400), 800 x 600, Resolution Compatibility 832 x 624, 1024 x 768, 1152 x 864, 1280 x 1024 Exclusions Not compatible with interlaced video ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 10 Connects to AC/DC Power Color = Black Power Saving Operation(Method) VESA DPMS Signaling On Mode <36 W (max) Power Consumption Saving Mode< 2W Off Mode <1 W Recovery Time On Mode = N/A, Active Off < 3 sec ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 11: Timing Table

    *2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without blanking. *3. The image quality of 85Hz mode might be worse than 75Hz. ViewSonic Corporation Confidential - Do Not Copy...
  • Page 12 Connector PC99 requirement Audio in Cable type / length 3.5mm stereo cable / 1.8m length NOTE: THERE IS NO GUARANTEE <1 W POWER Audio DPMS CONSUMPTION IN ACTIVE OFF MODE, WHEN THE AUDIO CABLE IS CONNECTED ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 13 110 deg (Typ) @ CR>10 Response Time 8 ms (Tr= 2 ms, Tf = 6 ms) (Typ) 10%-90% @ Ta=25°C 20ms (Tr= 6 ms, Tf = 14 ms) (max) Panel Defects Please see Panel Quality Specifications. ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 14: Image Performance

    100% > 75% (5400K) (Max) CCT = 5400K –Condition: (Brightness) x 100% ≤ 55% / Lv (Brightness=0%) (Brightness=100%) Contrast = 100% –Condition: (Contrast) x 100% ≤ 30% / Lv (Contrast=0%) (Contrast=100%) Brightness = 100% ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 15 ● Power Supply, and Grounding Artifacts : No visible artifacts in any specified video mode within the horizontal or vertical frequency range of the monitor ● Temperature Drift : Image shall not drift or lose fine-tune adjustment ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 16 The reference for the bezel is the silver color (VA703m) and the Front Bezel Color midnight gray color (VA703b) chip provided by ViewSonic The reference for the bezel is the black color (VA703m) and the midnight gray color (VA703b) chip provided by ViewSonic.

  • Page 17: Front Panel Controls And Indicators

    Note: Power Button, Button 1 and Button 2 must be one-shot logic operation. (i.e. there should be no cycling) Reaction Time OSD must fully appear within 0.5s after pushing [ 1 ] ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 18 The power button lock will be deactivated by pressing the front panel control ViewSonic Corporation Confidential - Do Not Copy...
  • Page 19 (Should not reset by power off, power unplug and others) OSD Auto Save The OSD shall save new settings when it is turned off by the user or when it times out. There shall not be a separate save ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 20 OSD V. Position 640x480@60Hz 720x480@60Hz In SOG and Composite, OSD Time Out 15 Sec 720x480@60Hz 640x480@60Hz In SOG and Composite, OSD Background Enabled 1152x864@75Hz 1152x870@75Hz In SOG and Composite, Resolution Notice Enabled 1280x768@60/75/85Hz 1024x768@60/75/85Hz ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 21: Circuit Description

    Embedded crystal output to MICROP 3 channels 8 bits PWM output, and selectable PWM clock frequency. Pin Description (I/O Legend: A = Analog, I = Input, O = Output, P = Power, G = Ground) ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 22 (1), (2), (3), / 2mA TCON [2] SCLK Serial control I/F clock (2), (3), (5) SCSB Serial control I/F chip select (2), (3), (5) RESET RESET output for Micron (2), (5), (6) / 2mA ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 23 BRED [3] BR1N BR1N TOAP BRED [2]/T13 BRED [2] AB3P TEDP ABLU [7]/T14 ABLU [7] AB3N TEDN ABLU [6]/T15 ABLU [6] AB2P TECLKP ABLU [5]/T16 ABLU [5] AB2N TECLKN ABLU [4]/T17 ABLU [4] ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 24 (1), (7), (8) V[6] TCON [1] / V [7] V [7] DENA DENA (1), (7), (8) V[7] TCON [0] / VCLK VCLK DCLK / TCLK DCLK / TCLK (1), (7), (8) VCLK ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 25 PWM1 / DDC serial control I/F data input (1), (2), (3), (5), (8), TCON [7] / output / TCON [7] PWM0 / (In / out) test pin for DCLK / PWM0 / REFCLK (2), (9) Video8 even-odd signal ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 26 (4) Internal 75K Ohms pull low resistor. (5) Schmitt trigger CMOS Input (Vt=1.4-~2.2V); (6) Open-Drain, Output Drive low & Pull-high. (7) Bi-directional input/output (8) Programmable driving current (2~10mA) (9) TTL output 5V & 3.3V (10) 4V tolerance pad ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 27 There are two signals which control the inverter come from system to turn on the inverter and control brightness. Logic “low” level which send to U901 is turn on the inverter. BL-ADJ signal control brightness by DC level which was integral from PWM signal. ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 28: Adjustment Procedure

    *2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without blanking. *3. The image quality of 85Hz mode might be worse than 75Hz. ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 29 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 30 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 31: Firmware Update Procedure

    Below form appear the relation between the method and the MCU-RSIC type METHOD ASIC JUMPER MYSON M-STAR & NOVATEK PIN2-3 CLOSED OTHER REALTEK PIN1-2 CLOSED LPT PORT TEST PC Fixture ISP_CORD Fixture POWER_ADAPTER ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 32 Plug AC cable in power adapter AC jack 2.2.6 Connect power adapter DC_OUTPUT port to main board DC_IN port 2.2.7 Connect PO3 of ISP fixture with VGA port of monitor’s main board by VGA cable ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 33 PO1 to LPT cable jumper PO3 to VGA cable AC JACK DC_IN port VGA port NOTE: Do STEP2.2.6 and STEP2.2.7 for monitor’s main board only. Monitor firmware upgrade will jump this step. ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 34 2.3. Soft install Install ISP3.0 program by selecting and clicking “…\isp3.0\setup.exe”, press “YES” or “NEXT” buttons until setup is complete. ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 35 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 36 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 37 Installation will create a icon for ISP application in “START MENU”\PROGRAM Press “finish” button exit setup ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 38 DCC written fixture ,check whether the connection between main board is in well condition ,see attached file 1.1&1.2 per the product model ,choose the corresponding Model, DCC written process, the model mr171-AAA should apply the SIP Program ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 39 STEP2: Creat security file Choose the Tab "create Security File " to enter next Dialogue Item ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 40 STEP3: Input the related parameter, save them and take up the next step STEP4: Choose the Tab MTV TYPE Choose the MTV512M64 from the TAB ISP ITEMS DCC Written model Diagram Table as below ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 41 STEP5: DCC WRITTEN methods ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 42 Choose the Tab LOAD MCU FILE，Looking up the related BIOS document in my Computer ,and Point the confirm Tab when the BIOS Documents' loading is successful ,you can find the picture as above ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 43 DCC written, if there is no problem ,pls press the run menu to write If showed the picture as above pls check whether the DDC write fixture is well Connected with PC the power board is power on and the program's setup is all right ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 44 The normal program is writing The program has finished writing ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 45 2. Unscrew the back cover’s screw 1. Remove the hinge cover 3. open the back cover ,pull out the speaker wire 4. Tear off the aluminum foil where fix up the light ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 46 5. Tear off the aluminum foil where cover the FFC cable, take out the key board from bezel ,pull out FFC cable from the main board; 6. pull out the two pcs screw form the main board 7. Pull out the two screws where lie in the two sides of the frame ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 47 10. Pull out the lamp wire material 9. Take out the screw which covers the shield 11. take out the screw form the power board ,pull out the power boards’ connecter wire ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 48 12. take out the FCC Cable AL where lies in the panel ,pull out the FCC cable 13. take out the main board’s screw 14. Remove the fame down towards ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 49: Packing Procedure

    1 Paste production film to protect the monitor screen.(Figure 1) Production film tape 2 Put the monitor in the PE bag and seal bag with type (Figure 2) tape 3 Put the cushions on the monitor.(Figure 4) ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 50 4. Put the base in the EPE bag. and then,place the base on the cushions ,as figure; 5. Place the monitor into the carton and then put all accessories into carton .At last,close the carton. Use ‘s Guide Power cord Base signal cord ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 51: Troubleshooting Flow Chart

    6. Troubleshooting Flow Chart Main Procedure Start Connect all of devices to the LCD monitor Power On A. Power Circuit Is indicator LED Troubleshooting light? ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 52 B. Backlight Is backlight on? Troubleshooting C. Performance Display Performance Troubleshooting O.K.? D. Function Function Adjustment Troubleshooting O.K.? E. Audio Audio Function O.K.? Troubleshooting No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 53 A. Power Circuit Troubleshooting Start Change AC/ DC Adapter Retry Power Change Main Board & Retry No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 54 B. Backlight Troubleshooting Start Change Inverter and Retry Change Main Board& Retry Backlight Change Module No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 55 Board Screen is Change Change Main Change LCD flickering? Inverter Board Board Module Change LCD LCD Line Defect? Module Change LCD Bad Uniformity? Module Check Change Main Is screen white? Connector Board ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 56 Screen with noise or line Prss Reset Button from bar? front panel control Change Main Board Make sure relution is set Screen is smaller? at default Reset O.K.? Change Main Board No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 57 D. Function Troubleshooting Start Change Control Menu not Control Board Functioning? and Retry? Change Main Board No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 58 E. Audio Troubleshooting Start Make sure sound output, Audio cable is OK. Change No Sound Speaker Change Sound is broken? Speaker Volume Change Main Unadjustable? Board No Trouble Found ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 59: Recommended Spare Parts List

    Remark 2: 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.
  • Page 60 Remark 2: 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.
  • Page 61 (10mm*14mm) Bird logo E015-016-1-W VIEWSONIC38MM E34M02170J001 LCD MODULE MT170EN01 1280×1024[SX] 17" LVDS INNOLUX F0004171AK001 Quick Install Manual LM/MR17I-AAA L190*W127mm for viewsonic REV:0 base attachment procedure LM/MR17I-AAA ENGLISH L190*W127mm for F0010171A3001 viewsonic VA703 REV:0 F001219043001 LM/LM1904 ENGLISH L210*W148mm for viwesonic REV:0...
  • Page 62 DIODE BAV99 SOT-23 GTM (SMD) D00L414803Y11 DIODE LL4148 SOD-123 YING SMD D01ZT52C03K01 ZENER BZT52C SOD-123KINGWELL 5.6V (SMD) F100315171A01 QC PAPER LM/MR17I-AAA L15*W15mm FOR viewsonic D-SUB H/D,15PIN,VGA PC99(LIGHT BLUE)DIP 90°,3 ROW,1285-15S-004- J4507270155B1 98C-01,TEKCON J4509100102H1 FFC CONNECTOR P=1mm 10PIN 90° CF16061D0T0 HANQUAN (DIP) J4509100306H1 FFC CONN ,30 PIN,1.0,DIP 180°,1 ROW,Cvilux 16301V0T0 or compatible...
  • Page 63 ENGLISHL190*W127mm for F0010171A3001 viewsonicVA703 REV:0 F001219043001 LM/LM1904 ENGLISHL210*W148mm for viwesonic REV:0 F101415170401 MARK LM/LM1704L11*W11mm energy star F102506171A01 Safety Label LM/MR17I-AAA L89.5*W49.5mmfor viewsonic(VA703m) DC-00005754 F103010LM0001 Blank Label LM/MONITOR L43*W10mm F103015170401 Blank Label LM/LM1704 L50*W25mm F103915170401 CARTON LABEL(UPC) LM/LM1704L76*W76mm FOR VIEWSONIC F103915171A01...
  • Page 64 D00BAV9905G01 DIODE BAV99 SOT-23 GTM(SMD) D00L414803Y11 DIODE LL4148 SOD-123 YINGSMD D01ZT52C03K01 ZENER BZT52C SOD-123KINGWELL 5.6V (SMD) F100315171A01 QC PAPER LM/MR17I-AAA L15*W15mm FOR viewsonic J41070515T201 Ear-Phone JACK,5 PIN,DIP90°,LIME GREEN,Tekcon D-SUB H/D,15PIN,VGAPC99(LIGHT BLUE)DIP 90°,3ROW,1285-15S- J4507270155B1 004-98C-01,TEKCON J4509100102H1 FFC CONNECTOR P=1mm 10PIN 90° CF16061D0T0 HANQUAN J4509100306H1 FFC CONN ,30 PIN,1.0,DIP180°,1 ROW,Cvilux 16301V0Tor compatible...
  • Page 65 CARTON K4K LM/MR17I-AA L440*W147*H485mm for viewsonic F4007K4171A01 VA703b REV:1 F401918171A04 PAPER COVER LM/MR17I-AAA L1181*W1034*H80mm 0.028 F50206171A003 PALLET GLUE LM/MR17I-AAA L1181*W1034*H120mm 0.014 CD MANUAL LM/MR17I-AA FOR VIEWSONIC VA703b CMO REV:1 F801191000014 F900181000001 PE LIMPID W500*T0.03mm 1500m/roll 0.000156 F9008G2000002 PACKTHREAD PP WHITE W14.5mm*T0.8mm 1300m/roll 0.000275 M101082807401 screw copper H( L5mm) Φ2.8*L7mm with nickel...
  • Page 66 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty IC LINEAR VOLTAGE REGULATOR AP1117E33A SOT-223 ANACHIP A03D111703A54 (SMD) A07TV51202M02 IC MCU MTV512GMG 64K MYSON LQFP-48P Lead Free (SMD) A08D2023R2001 IC ASIC/SCALER RTD2023L PLCC-48P REALTEK Lead Free(SMD) BARE PCB LM/MR19V-AAAD MAIN BOARD 2SIDES FR-4 T1.6mm BLM19VAM10114 REV:1.4...
  • Page 67 VIEWSONIC AL 38MM LCD MODULE SVA170SX01TB 1280×1024[SX] 17" LVDS SVA-NEC E34S22170S001 LEAD FREE F0004171AK001 Quick Install Manual LM/MR17I-AAA L190*W127mm for viewsonic REV:0 base attachment procedure LM/MR17I-AAA ENGLISH L190*W127mm for F0010171A3001 viewsonic VA703 REV:0 USER'S GUIDE LM/LM1704 ENGLISH L210*W148mm for Viewsonic...
  • Page 68 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C02210003J111 CAP MLCC NPO 10pF 50V ±5% 0603 TAPPING (SMD) C02212003J111 CAP MLCC /NPO 12PF 50V ±5%(J) 0603 TAPPING (SMD) C02222003J111 CAP MLCC /NPO 22PF 50V ±5%(J) 0603 TPPING (SMD) C02310501K111 CAP MLCC X5R 1uF 16V ±10% (K) 0603 TAPING (SMD)
  • Page 69 E015-016-1-W VIEWSONIC AL 38MM E-00005791 E34722170SC01 LCD MODULE M170E5-L09 1280×1024 17" SXGA CMO F0004171AK001 Quick Install Manual LM/MR17I-AAA L190*W127mm for viewsonic REV:0 base attachment procedure LM/MR17I-AAA ENGLISH L190*W127mm for viewsonic F0010171A3001 VA703 REV:0 F101415170401 MARK LM/LM1704L11*W11mm energy star Safety Label LM/MR17I-AAA L89.5*W49.5mm for viewsonic (VA703M) CMO...
  • Page 70 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C4021014M2222 CAP EC(S) -40~105℃ 100uF 16V ±20% (M) Φ5×H11mmP=2.0mm (DIP) C4022204M2322 CAP EC -40~105℃ 22UF/16V ±20%(M) ∮5*H5MM P=2.0MM (DIP) C4024704M2422 CAP EC -40∘~105℃ 47UF/16V ±20% (M) ∮5*H7MM P=2.0MM (DIP) D00BAV9905G01...
  • Page 71 F0004191AK001 Quick Install ManualLM/MR19I-AAA L190*W127mm for viewsoni base attachment procedureLM/MR17I-AAA ENGLISHL190*W127mm for F0010171A3001 viewsonicVA703 REV:0 F001217043001 USER'S GUIDE LM/LM1704 ENGLISH L210*W148mm for Viewsonic REV:0 F101415170401 MARK LM/LM1704L11*W11mm energy star F102506171A06 Safety Label LM/MR17I-AAA L89.5*W49.5mmfor viewson (VA703m) SVA F103015170401 Blank Label LM/LM1704 L50*W25mmBlank Labe...
  • Page 72 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C02410302K111 CAP MLCC X7R 10nF/25V±10%(K) 0603TAPPING (SMD) C02410403K111 CAP MLCC X7R 0.1UF/50V±10%(K) 0603 TAPPING(SMD) C02447302K111 CAP MLCC/ X7R 0.047uF /25V±10%(K) 0603 TAPPING(SMD) C02447401K111 CAP MLCC X7R 470nf 16V±10%(K) 0603 TAPING leadfree (SMD) C4021006M2431 CAP EC(S) -40~105℃...
  • Page 74 EXPLODED PARTS LIST (VA703b-4) ViewSonic Model Number: VS11366 Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty E015-006-W (10mm*14mm) Bird logo E015-016-1-W VIEWSONIC38MM P727A997LM030-C BEZEL ABS HB GREY PRINT LM/MR17I-AA REV:0 P763P398LM020-B FUNCTION BUTTON PC SILVER LM/MR17I-AAA REV:0 B-00006502 XLM191A050001...
  • Page 75 EXPLODED PARTS LIST (VA703b-4) ViewSonic Model Number: VS11366 Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty E015-006-W (About 10mm*14mm) Bird logo E015-016-1-W VIEWSONIC AL foil 38MM P727A997LM030-C BEZEL ABS HB GREY 印刷 LM/MR17I-AA REV:0 P763P398LM020-B FUNCTION BUTTON PC SILVER LM/MR17I-AAA REV:0...
  • Page 77 P74AA997LM010-A BASE ABS HB GRAY LM/MR17I-AA REV:0 PL-00006589 P763P398LM020-B FUNCTION BUTTON PC SILVER LM/MR17I-AAA REV:0 POWER BOARD+INVERTER BOARD ASSY PI-SB03 24V+5V XLM1700390010 LM/17''/19'' LCD MONITOR FOR VIEWSONIC B-00006503 XLM191A040002 MAIN BOARD ASSY LM/MR19I-AA B-00006501 XLM191A050001 KEY BOARD ASSY LM/MR19I-AAA B-00006502...

  • Page 80: Block Diagram

    9. Block Diagram ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...

  • Page 81: Schematic Diagrams

    100nF R126 1K VBRI MCU_VCC KST3904 DGND LED2 5DVCC 2N3906 LED-2 2N3906 4.7K LED1 R15 NC BKLT-EN LED-1 ViewSonic Corporation R127 1K INVON 100nF 47uF_16V/NC 10K/NC KST3904 Model DGND Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 82 MENU MUTE EXIT DOWN DOWN EXIT MUTE MENU DGND POWER LED-2 HEADER 13/SM HEADER 13/SM LED-1 HEADER 13/SM LED1 ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 83 CA16 FBA5 BED/6 NC/0.1uF PHONEJACK 5P APA2065 CA10 NC/180PF NC/180PF FBA4 BED/6 NC/1R2 CNA3 AGND AGND AGND AGND AGND FBA10 BED/6 2PIN 2.0mm180" CA12 2.2uF_16V AGND ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 84 R148 100 DDC1_SDA HDA1/TX/P3.1 P6.0/AD0 R149 100 DDC1_SCL HCL1/RX/P3.0 MTV512 24MHz 472_4 R150 R151 R152 6.8K 472_4 MCU_VCC C125 C126 10pF 10pF ViewSonic Corporation Closed to MCU 5DVCC MCU_VCC Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 85 ADC_VDD BG2P / TXE3+ AHS0 RTD_SCLK AHS0 AHS1 / V0 AVS0 NC/1K AVS0 AVS1 / VCLK R3.3DVCC R1.8DVCC 2N3906 DDC1_SCL DDCSCL1 DDC1_SDA DDCSDA1 2N3906 100nF 100uF_16V ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 86 SHELL2 C111 C112 NC/10pF NC/10pF JACK MLL5232B 5.6V BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 C114 C113 C115 ViewSonic Corporation C116 C117 C118 C119 C120 100nF 100nF 100nF 3.3DVCC 100nF 100nF 100nF 100nF 100nF Model DGND Title Date...

  • Page 87: Pcb Layout Diagrams

    11. PCB Layout Diagrams ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 88 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 89 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 90 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 91 ViewSonic Corporation Confidential - Do Not Copy VA703b-4_VA703m-4...
  • Page 92 Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) ViewSonic Corporation Confidential - Do Not Copy...

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