ViewSonic VA702B Service Manual

ViewSonic VA702B - 17" LCD Monitor Manual

ViewSonic VA702B manual content summary:

  • ViewSonic VA702B | Service Manual - Page 1
    Service Manual ViewSonic VA702-1 VA702b-1 Model No. VS10781 17" Color TFT LCD Display (VA702-1_ VA702b-1_SM Rev. 1b Sep. 2006) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
  • ViewSonic VA702B | Service Manual - Page 2
    , mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of ViewSonic Corporation. Disclaimer ViewSonic makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranty of
  • ViewSonic VA702B | Service Manual - Page 3
    Precautions and Safety Notices 1 2. Specification 4 3. Front Panel Function Control Description 13 4. Circuit Description 18 5. Adjustment Procedure 29 6. Troubleshooting Flow Chart 35 7. Recommended Spare Parts List 42 8. Exploded Diagram and Exploded Parts List 47 9. Block Diagram
  • ViewSonic VA702B | Service Manual - Page 4
    monitor for power input. z Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. Only the qualified technician can repair it. z Do not remove the monitor cabinet. There are high-voltage parts user' manual. ViewSonic Corporation Confidential - Do Not Copy 1 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 5
    of the polarizer. Incorrect Methods: Surface of the LCD panel is pressed by fingers and that may cause "Mura". 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 2 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 6
    Correct Methods: Place the monitor on a clean and soft foam pad. Incorrect Methods: Placing the monitor on foreign objects, That could scratch the surface of the panel or cause "Mura". The panel is placed facedown on the lap. That may cause "Mura". ViewSonic Corporation Confidential - Do Not
  • ViewSonic VA702B | Service Manual - Page 7
    FRC) 16.2 M Response Time (Typ) 8 ms Viewing Angle (H/V) 150 ° / 135 ° Recommend resolution 1280x1024@60Hz Size Luminance (Typ) 17 " 280 cd/㎡ Contrast Ratio (Typ) 600:1 Colors TUV-S, Green Mark, Energy Star, RoHS, WEEE ViewSonic Corporation Confidential - Do Not Copy 4 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 8
    GENERAL specification Test Resolution & Compatibility Resolution Compatibility Exclusions DB-15 (Analog), refer the appendix A Equal to twice the weight of the monitor for x 720, 1280 x 1024 Not compatible with interlaced video ViewSonic Corporation Confidential - Do Not Copy 5 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 9
    Range Input Frequency Range Recovery Time Part Number: ILIPI reset the user. display. Color = Black Separate 2-prong NEMA 1-15P type plug. Length = 1.8m. Connects to display. Color = Black VESA DPMS Signaling On Mode < 36 W (max) / 35 W(typ) Off Mode< 1W On Mode = N/A, Active Off < 3 sec ViewSonic
  • ViewSonic VA702B | Service Manual - Page 10
    RESOLUTION IS SET TO 1280 X 1024, THE VERTICAL REFRESH RATE MAY BE UP TO 75 HZ; FOR ALL OTHER RESOLUTIONS, THE VERTICAL REFRESH 53.7kHz 16 832 x 624 @ 75Hz, 49.7kHz 17 1024 x 768 @ 60Hz, 48.4kHz 18 1024 x User Presets Number of User Presets Adjust". ● The monitor needs to do "Auto Image
  • ViewSonic VA702B | Service Manual - Page 11
    AUDIO INTERFACE (SPEAKER SPECIFICATION) No Audio function TFT LCD PANEL Panel Characteristics: 1st Source Panel Model number Type Active Size Pixel Arrangement Pixel Pitch GLASS TREATMENT # OF BACKLIGHTS BACKLIGHT LIFE Luminance (Center) - Condition: CT = 6500K, Contrast = Max, Brightness = Max
  • ViewSonic VA702B | Service Manual - Page 12
    BACKLIGHTS BACKLIGHT LIFE Luminance (Center) - Condition: CT = 6500K, Contrast = Max, Brightness = Max Brightness Uniformity (13 points) Contrast Ratio Color Depth Viewing Angle (Horizontal) VIEWING Panel Quality Specifications. ViewSonic Corporation Confidential - Do Not Copy 9 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 13
    BACKLIGHTS BACKLIGHT LIFE Luminance (Center) - Condition: CT = 6500K, Contrast = Max, Brightness = Max Brightness Uniformity (13 points) Contrast Ratio Color Depth Viewing Angle (Horizontal) VIEWING Panel Quality Specifications. ViewSonic Corporation Confidential - Do Not Copy 10 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 14
    OSD V. Position OSD Time Out OSD Background Resolution Notice Defaults 50% 50% 15 Sec On TFT LCD PANEL" Lv (Def) / Lv (Max) x 100% ≧ 85% Display Size Horizontal Display Size, Primary Preset Full Screen Vertical Display . ViewSonic Corporation Confidential - Do Not Copy 11 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 15
    Monitor Weight 4.5 Kg (9.9 lbs) *Refer to Figure 1 Ergonomics Tilt Up Tilt Down From 0º up to ≧20º From 0º down to -3º ~ -5 º Cabinet Material Display (VA702b) chip provided by ViewSonic The color drift due to UV-Light shall specifications, and Material Safety Data Sheets for approval. ViewSonic
  • ViewSonic VA702B | Service Manual - Page 16
    the control screen and saves adjustments. Power light Green = ON Orange = Power Saving Standby Power On/Off Scrolls through menu options and adjusts the displayed control. Also a shortcut to display the Contrast adjustment control screen. ViewSonic Corporation Confidential - Do Not Copy 13 VA702
  • ViewSonic VA702B | Service Manual - Page 17
    refresh rate" in the graphics card's user guide.) • If necessary, make small adjustments using H. POSITION and V. POSITION until the screen image is completely visible. (The black border around the edge of the screen should barely touch the illuminated "active area" of the LCD display.) ViewSonic
  • ViewSonic VA702B | Service Manual - Page 18
    your LCD display, then lower the video refresh rate to 60 Hz and set the resolution to color temperatures and a User Color mode which allows lighting). 6500K - Adds red to the screen image for warmer white and richer red. 5400K - Adds green to the screen image for a darker color. ViewSonic
  • ViewSonic VA702B | Service Manual - Page 19
    [1] twice. Information displays 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 instructions on changing the resolution and refresh rate (vertical
  • ViewSonic VA702B | Service Manual - Page 20
    allows the user to turn the OSD background On or Off. Memory Recall returns the adjustments back to factory settings if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual. ViewSonic Corporation Confidential - Do Not Copy 17 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 21
    initially, and the CONTROL pin capacitor is charged through a switched store energy when current is reversed. The parts including C808, C810 and L802 are used is used to make build-in diode light. FB Current of IC802 will be ViewSonic Corporation Confidential - Do Not Copy 18 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 22
    up and the backlights are on; When the I/O port is high, Q103 is conducted and the backlights are off. U105 reset signal to U104 (Scaler). U106 is EEPROM used for saving EDID data, which is connected by SCL and SDA pins with #16 and #17 to control the brightness of the backlights. U104 #30-#32, #69-#
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    for ESD protection, or supplied by Monitor self via D104.U103 is an LED indicator is orange. 3. FACTORY PRESET TIMING TABLE Item Resolution 1 640 x 350 2 640 x 400 3 640 x 400 x 624 17 18 19 1024 x 768 20 21 22 1152 x 870 23 1280 x 1024 24 25 1280 x 720 ViewSonic Corporation H-
  • ViewSonic VA702B | Service Manual - Page 24
    to reset U104, and then monitor goes into stand-by mode. That means hardware power on has been completed. 4.2 Software Power , CN502, CN503, CN504 (Connect to Panel Backlight, SM02B-BHSS-1-TB or equivalent) Pin Symbol Ground Description ViewSonic Corporation Confidential - Do Not Copy 21
  • ViewSonic VA702B | Service Manual - Page 25
    lighting control 6.4 CN103 (Connect I/F BD to panel, FI-X30S-H or Equivalent) Pin No. Symbol Function 1 RXO02 RXO0+ 3 RXO14 RXO1+ 5 RXO26 RXO2+ 7 GND 8 RXOC9 RXOC+ 10 RXO311 RXO3+ 12 RXE013 RXE0+ 14 GND 15 RXE116 RXE1+ 17 video input 3 Blue video input ViewSonic Corporation Pin Symbol 6 Red
  • ViewSonic VA702B | Service Manual - Page 26
    GND 14 VSYNC 15 Data clock line (SCL) 7. Key Parts Pin Assignment 7.1 IC802 (TOP246Y, Power Control IC) Pin Symbol IC 14 HSB I High side driver buffer output 15 PDRV3 O ViewSonic Corporation I/O Description O B-Link Negative LVDS Differential Data Ground For External Bypass Capacitor
  • ViewSonic VA702B | Service Manual - Page 27
    17 SDA 71 RDZ/SCL 72 INT 73 PWM0 74 PWM1 75 NC 76 NC ViewSonic Corporation Not connected I Digital Core Power Ground Ground O Digital Output Power Not I/O DDR direct bus AD3; 4mA driving strength I Hardware reset; active high I Crystal Oscillator Input O Crystal Oscillator Output
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    115 GND 116 GND 117 VDDC 118 LVB3P 119 LVB3M 120 LVBCKP 121 LVBCKM 122 LVB2P 123 LVB2M 124 LVB1P 125 LVB1M 126 VDDP ViewSonic Corporation I/O DDR direct bus AD1; 8mA driving strength I/O DDR direct bus AD2; 8mA driving strength Not connected Not connected Not connected Not connected Not
  • ViewSonic VA702B | Service Manual - Page 29
    lighting control Function is the same as that of standard 8052 Function is the same as that of standard 8052 10 RST I Reset of I2C communication with EEPROM 17 P3.5/T1 I/O SDA line reset to Scaler 44 +5V I +5V for MCU working voltage ViewSonic Corporation Confidential - Do Not Copy 26 VA702
  • ViewSonic VA702B | Service Manual - Page 30
    ,M3*4,Zw*2) (Ace tape*4) BASE COVER SUB-ASS'Y BUTTON FUNCTION KEY*1 LED LENS*1 SUPPORT VESA *1 BACK COVER *1 Rubber spacer*1 Logo *1 PLATE BASE *1 BASE COVER *1 INL INSULATOR,MYLAR*1 Note: Arrows are disassembly directions. ViewSonic Corporation Confidential - Do Not Copy 27 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 31
    tape*2) FRONT BEZEL (G/S)*1 LOGO PLATE,THREE BRID*1 LOGO PLATE "VIEWSONIC"*1 SUPPORT VESA *1 LOGO PLATE(ELLIPSE)*1 Rubber*1 LED LENS*1 BUTTON FUNCTION *1 HI POT LABEL*1 V17 LCD MONITOR FINAL ASM(INL) Note: Arrows are assembly directions. ViewSonic Corporation Confidential - Do Not Copy
  • ViewSonic VA702B | Service Manual - Page 32
    Contrast/Brightness Color Adjust Information Manual Image Adjust Layer 2 Contrast (+ / -) Brightness (+ / -) Srgb 9300K 6500K 5400K User Color H/V Position H Size Layer 3 Red (+ / -) Green (+ / -) Blue (+ / -) H Position (+ / -) V Position ViewSonic Corporation Confidential - Do Not Copy
  • ViewSonic VA702B | Service Manual - Page 33
    Setup Menu Memory Recall Fine Tune Sharpness Language Select Resolution Notice OSD Position OSD Time Out OSD Background off the LCD; Press the power button will appear "Power Button Locked" [1] + [▼] 10S OSD 3s; LCD would ViewSonic Corporation Confidential - Do Not Copy 30 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 34
    after changing to non-native mode for 30 sec, And it should disappear after 10s or by pushing button [1] or [2] Push button [2] under Resolution Notice OSD, select Disable Phenomenon 3.5 Factory Mode Introduction When input the signal, press "power key" to turn off the monitor. Press at the
  • ViewSonic VA702B | Service Manual - Page 35
    monitor and PC as below configure Insert to RS232 9pin CON on PC ISP Board Service cable LCD Monitor and re-start monitor again. 8 After repair, to ensure the 640x350 720x400), the detail supported modes and power saving signal ViewSonic Corporation Confidential - Do Not Copy 32 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 36
    Power Key Off <1W No Chroma Signal Generator and Color Analyzer Equipment:: Chroma Signal Generator & PC Chroma signal generator and Power meter AC input: 230V/50Hz ViewSonic Corporation Confidential - Do Not Copy 33 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 37
    Troubleshooting Windows problem happen in the digital circuit part. z If you check the H/V position, please use the crosshatch pattern. z This LCM support more than 30 timing modes, if the input timing mode is out of specification, the picture may appears abnormally. z If brightness uneven, repairs
  • ViewSonic VA702B | Service Manual - Page 38
    , R817 Check pin2 of IC802 voltage about 2V Check pin1 of IC802 voltage is 5.8V END Check R803, R807, R824, R825 Check R812, R816, C818 ViewSonic Corporation Confidential - Do Not Copy 35 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 39
    END Check Vpin1-2 of IC801 about 1V Check R809, R814 Check ZD801, ZD802, ZD803, D803, D805 Check R809, R814, IC801, R818 Check C815, D806, R812 ViewSonic Corporation Confidential - Do Not Copy 36 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 40
    R810, R811, R818 Change IC803 Check R809, R808, R814, D809 Check D806, C815 if short Change D806, C815 Check pin3 of IC802 voltage about 1V ViewSonic Corporation Change R801, R805, R822, R823, R817 END Confidential - Do Not Copy 37 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 41
    turned on No raster? Yes LED Green? Yes Backlight cannot be turned on. Yes Is there 14Vdc voltage on pin13 of IC501? No Check Check protected circuit Q501, Q502, Q503, Q504 Yes U501, U502 fail IC501 fail T501, T502 fail END ViewSonic Corporation Confidential - Do Not Copy 38 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 42
    6. Black Screen and backlight turn on ViewSonic Corporation Confidential - Do Not Copy 39 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 43
    low OK NG Check the HWRESET of U104 exists NG Check RP101 NG OK Check Q101,Q102,Q107,R103 Check the pins of U105 END ViewSonic Corporation Confidential - Do Not Copy 40 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 44
    of U104 and U105 Workmanship LVDS Cable NG 1.Check X101,C154,C155 2.Check X102,C126,C168 Check ALE/RDZ/ WRZ/AD0/AD1/AD2/ AD3/HWRESET ViewSonic Corporation Confidential - Do Not Copy 41 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 45
    Added on 9/11/06 CB-00005261 430300100210R 23 Electronic LCD PANEL 17" MT170EN01-V1(INNOLUX) E-00003048 631102070270 24 Components: LCD PANEL 17" MT170EN01-V7-G1,AM17000057 RoHS Added on 9/11/06 E-00008006 631102071910R 25 LCD PANEL 17" MT170EN01-V7-G2,AM17000057 RoHS Added on 9/11/06
  • ViewSonic VA702B | Service Manual - Page 46
    RECOMMENDED SPARE PARTS LIST (VA702B-1) ViewSonic Model Number: VS10781 Rev: 1b Serial No. Prefix: PSX Item 1 Accessories: 2 3 4 Board Assembly: 5 6 7 8 9 10 Cabinets: 11 12 13 14 15 16 17 Cables: 18 19 20 21 22 Electronic 23 Components: 24 25 26 Hardware: 27 28 29 30 31 32 33 34 Packing
  • ViewSonic VA702B | Service Manual - Page 47
    17 HW-00005277 502060401900R HINGE,LEFT, LE1709 18 HW-00005276 502060401910R HINGE,RIGHT, LE1709 19 N/A 502080300300R SUPPORT TYPE(VIEWSONIC), LCD PANEL 17" MT170EN01-V7-G1,AM17000057 59 E-00008007 631102071920R LCD PANEL 17" MT170EN01-V7-G2,AM17000057 60 E-00008008 631102071930R LCD PANEL 17
  • ViewSonic VA702B | Service Manual - Page 48
    LE1709 HINGE,RIGHT, LE1709 SUPPORT,VESA, LE1709 CHASSIS, LE1709 VA702B), LE1709(KOREA MARK) TAPE,WRAPPING TYPE,48mmx50M LE1X04/05 TAPE,WRAPPING TYPE(VIEWSONIC LCD PANEL 17" MT170EN01-V7-G1,AM17000057 LCD PANEL 17" MT170EN01-V7-G2,AM17000057 LCD PANEL 17" MT170EN01-V7-G3,AM17000057 KIT,ACCESSORY,VA702B
  • ViewSonic VA702B | Service Manual - Page 49
    8. Exploded Diagram and Exploded Parts List ViewSonic Corporation C D D C D D D D D FF D C B B B C B D C E E Confidential - Do Not Copy 46 VA702-1_VA702b-1 E E A A A A ViewSonic Corporation Model Title Date Exploded diagram Rev:
  • ViewSonic VA702B | Service Manual - Page 50
    CONN. (D-SUB) Q'ty 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 4 4 5 9 4 2 EXPLODED PARTS LIST (VA702b-1) ViewSonic Model Number: VS10781 Rev: 1a Item ViewSonic P/N Ref. P/N Description 1 C-00003173 714030002410 ASSY,BEZEL(G),LE1709 2 E-00003048 631102070270 LCD PANEL 17" MT170EN01-V1(INNOLUX
  • ViewSonic VA702B | Service Manual - Page 51
    Do Not Copy 4 8 9. Block Diagram On/Off Brightness Power TFT LCD Panel 17" MT170EN01(Innolux) Lamp1 1 Lamp2 2 Transformer1 AOP605L AOP605L OZ9910 22.118MHz AC Line Filter TOP246Y OPP/OCP 24C02 ViewSonic Corporation 3 Lamp3 4 Lamp4 AC Socket AC Input 90V-264V Keypad Connector Keyboard
  • ViewSonic VA702B | Service Manual - Page 52
    C D809 R 1N4148W A IC803 TL431 C819 47u/25V R810 5K1 1% R811 51K 1% R818 3K3 1% R813 1K R819 10K F801 2A 250V N L 1 2 AC IN 3 P801 ViewSonic Corporation CN801 08DA-6S 1 2 3 4 5 6 TO SCALER BD CN101 VCC5V BRIGHTNESS ON/OFF C821 0.1u/50V Confidential - Do Not Copy 49 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 53
    R514 510 1% R509 510 1% NOTE R521 1M R519 1M R517 1M R515 1M D512 1N4148W D511 1N4148W D510 1N4148W D509 1N4148W OP1 OP2 OP3 OP4 ViewSonic Corporation Confidential - Do Not Copy 50 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 54
    50V R103 4K7 Q101 AP2301N S D R101 G 10K R170 0 Q102 PMBT3906 VLCD VLCD + C109 100uF/16V C110 0.1/50V R169 22K Q107 PMBT3904 ViewSonic Corporation Confidential - Do Not Copy 51 VA702-1_VA702b-1 From Power & Inverter CN101 4500-06 1 2 3 4 5 6 VCC5V BRIGHTNESS ON/OFF C111 + C101
  • ViewSonic VA702B | Service Manual - Page 55
    12 2 VGA_G 7 13 3 VGA_B 8 14 4 9 15 5 VCC5V 10 TVS101 BAV99 17 CN102 DZ11AA1-HW6 TVS102 BAV99 TVS103 BAV99 HPD_VGA DDC_SCL_VGA DDC_SDA_VGA VSI HSI R166 R167 R168 R111 4 A0 A1 A2 GND VCC WP SCL SDA 8 7 6 5 ViewSonic Corporation Confidential - Do Not Copy 52 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 56
    100p/50V C162 100p/50V GNDC GNDC GNDC GNDC 19 86 96 116 VAA4 FB107 BEAD60OHM C144 C145 10u/16V 0.1/50V Note: U104 pin4,5,7~9,12~17,22~27,75,76,79~83,88~93,98~101 are all NC (open) ViewSonic Corporation Confidential - Do Not Copy 53 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 57
    - VLCD CN104 DUPON2.0mm/NC 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 RXO0+ RXO1+ RXO2+ RXOC+ RXO3+ RXE0+ RXE1+ RXE2+ RXEC+ RXE3+ VLCD ViewSonic Corporation Confidential - Do Not Copy 54 VA702-1_VA702b-1 VLCD CN103 AL2309-A0G1Z
  • ViewSonic VA702B | Service Manual - Page 58
    10K INT R139 10K 10 14 RST P3.2/INT0 32 PSEN C151 0.1/50V 4 100 100 VCPU 16 17 18 P3.4/T0 P3.5/T1 P3.6/WR 8 9 23 33 34 P1.6/PWM3 P1.7/PWM4 P4.0 ALE /50V X101 C155 22.1184MHz 12p/50V ISP for Standard 8051 ViewSonic Corporation Confidential - Do Not Copy 55 VA702-1_VA702b-1 C156 C157
  • ViewSonic VA702B | Service Manual - Page 59
    TACT AUTO/2 SW103 SW TACT POWER SW104 SW TACT DOWN SW105 SW TACT UP LED_GREEN LED_ORANGE KEY_MENU/EXIT KEY_SELECT/AUTO KEY_POWER KEY_DOWN KEY_UP 6 8 2 1 4 5 3 7 CN106 2x4PIN ViewSonic Corporation Confidential - Do Not Copy 56 VA702-1_VA702b
  • ViewSonic VA702B | Service Manual - Page 60
    11. PCB Layout Diagrams Main board Top layout ViewSonic Corporation Confidential - Do Not Copy 57 VA702-1_VA702b-1
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    Main board bottom Layout ViewSonic Corporation Confidential - Do Not Copy 58 VA702-1_VA702b-1
  • ViewSonic VA702B | Service Manual - Page 62
    POWER board ViewSonic Corporation Confidential - Do Not Copy 59 VA702-1_VA702b-1
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    ViewSonic Corporation Confidential - Do Not Copy 60 VA702-1_VA702b-1
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    ViewSonic Corporation. Assessment A. What do you think about the content of this Service Manual? Unit Excellent Good Fair Bad 1. Precautions and Safety Notices 2. Specification 3. Front Panel Function Control Description 4. Circuit Description 5. Adjustment Procedure 6. Troubleshooting
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ViewSonic VA702-1
VA702b-1
Model No. VS10
781
1
7
” Color TFT LCD
Display
(VA702-1_ VA702b-1_SM Rev. 1b Sep. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Service Manual