ViewSonic VP950b Service Manual
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ViewSonic VP950b Service Manual

ViewSonic VP950b Service Manual

19” color tft lcd display
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Service Manual

ViewSonic VP950b
Model No VS11964
19" Color TFT LCD Display
Manufacture Date: Nov-06-07
- 1 –
ViewSonic Corporation
VP950b
Confidential - Do Not Cop

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  • Page 1: Service Manual

    Service Manual ViewSonic VP950b Model No VS11964 19” Color TFT LCD Display Manufacture Date: Nov-06-07 - 1 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 2: Revision History

    ENERGY STAR guidelines for energy efficiency. Disclaimer: ViewSonic Corporation shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from furnishing this material, or the performance or use of this product.

  • Page 3: Table Of Contents

    6. Troubleshooting Flow Chart 7. Recommended Spare Parts List 8. Exploded Diagram And Spare Parts List 9. Disassemble Process 10. Block Diagram 11. Schematic Diagram 12. PCB Layout Diagram - 3 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 4: Precautions And Safety Notices

    3. Keep wires away from high voltage, high temperature components and sharp edges. 4. Keep wires in their original position so as to reduce interference. 5. Usage of this product please refer to also user’s manual. - 4 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 5 “Mura.” not touch the surface of the polarizer. Taking out the monitor by grasping the LCD Take out the monitor with cushions panel. That may cause “Mura.” - 5 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 6 Place the monitor on the lap, the panel The panel is placed facedown on the lap. That surface must be upwards. may cause “Mura.” - 6 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 7: Specification

    Warning: Do not set the graphics card in your computer to exceed these refresh rates; doing so may result in permanent damage to the LCD display. ® Macintosh computers older than G3 require a ViewSonic Macintosh adapter. To order an adapter, contact ViewSonic.
  • Page 8 Horizontal sync (Composite sync) Vertical sync (SCL) SIGNAL LEVEL CONNECTOR SIGNAL DESCRIPTION （VIDEO） vp-p Green （VIDEO） vp-p Blue （VIDEO） vp-p H/Sync TTL positive or negative V/Sync TTL positive or negative DDC1/2B DDC1/2B - 8 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 9: Front Panel Control And Indicators

    TMDS positive differential input, channel 0 Logic Ground Reserved 20 Reserved. No connection Reserved 21 Reserved. No connection Logic Ground RXC+ TMDS positive differential input, reference clock RXC- TMDS negative differential input, reference clock - 9 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 10 3. Front Panel Function Controls And Indicators - 10 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 11 • 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.) - 11 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 12 Enabling the intended. Enabling the sRGB setting will cause 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). - 12 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 13 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 frequency).
  • Page 14 HD Mode sets color space to YUV for HD timing mode. Setup Menu displays the menu shown below: Language Select allows the user to choose the language used in the menus - 14 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 15 2. OSD message as below, [1] + [▼] + [▲] (Keep pushing 5 sec) (Image = no blanking) 3. Recommend environment 3.1. Optical (Best) input timing = 640 x 480 @ 60Hz; - 15 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 16 No signal + [ ] + [2] Burning mode signal + [2]+ [ ] Factory Mode Remark : All the short cuts function are only available while OSD off - 16 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 17: Circuit Description

    4.2 MAIN BOARD BLOCK FUNCTION DESCRIPTION The main board contains panel control logic, brightness control logic, DDC and DC convert DC circuit and so on. PWPC board Backlight and Panel TSUMO5PCWHL-LF Keyboard EPROM EPROM - 17 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 18 Start Circuit R905 CN902 Over Control IC Voltage Protect ON/OF OSC and MOSFET DC Convert Output Q804， Q809 Circuit Circuit Lamp Over ON/OFF Feedback Voltage Control Circuit Control IC - 18 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 19 SST25LF020A-33-4C-SAE (U402): SST’s serial flash family features a four-wire, SPI-com-patible interface that allows for a low pin-count package occupying less board space and ultimately lowering total system costs. The - 19 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 20 The Write Protect (WP#) pin is used to enable/disable BPL bit in Write Protect the status register. To temporarily stop serial communication with SPI flash memory HOLD# Hold without resetting the device. Power To provide power supply(3.0-3.6V) Supply Ground - 20 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 21 Current sense pin, connect to sense the MOSFET current Ground Gate drive output to drive the external MOSFET Supply voltage pin - 21 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 22 Connect this pin to positive of bulk capacitor to provide the startup current for the controller, when Vcc voltage trips the UVLO(on), this HV loop will be off to save the power loss on the startup circuit. Block Diagram - 22 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 23 (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application. PIN Descriptions: - 23 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 24 IC with 4 downstream ports for embedded USB solutions. The 4-Port Hub supports Low-Speed, Full-Speed, and High-Speed downstream devices on all of the enabled downstream ports. The configuration and the inside circuit diagram are as follows: PIN Configuration: - 24 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 25 Block Diagram - 25 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 26 AP1510SA (U704): AP1510 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc. PIN Descriptions: Block Diagram: - 26 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 27: Adjustment Procedure

    First Power off, then press Switch 1 button along with press Power button will activate the factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press MENU the OSD screen will located at LEFT TOP OF PANEL. - 27 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 28 (1)、Switch the CA-210 to x、y、Lv -Mode (with press “MODE” button ) (2)、Switch the MEM .channel to Channel 1 ( with up or down arrow on CA-210 ) (3) 、 The LCD-indicator on CA-210 will show x=0.313±0.003, y=0.329±0.003, Lv≥187 cd/m - 28 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 29 4 Test Display Modes & Pattern Compatible Modes Item Timing Analog 640 x 480 @ 60Hz, 31.5kHz 640 x 480 @ 75Hz, 31.5kHz 720 x 400 @ 70Hz, 31.5kHz - 29 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 30 Figure 7,8 Pixel/Line Screen compliant with the spec. The screen must have White Balance White & Black Pattern the pure white and black Figure 9 pattern, no other color. - 30 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 31 Horizontal & Vertical 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) - 31 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 32 Test Signal: 1280*1024@60Hz Test Pattern: Horizontal & Vertical Line Thickness Pattern Check and see if the image boundary is within the screen frame. If not, readjust by the following steps: - 32 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 33 When you receive the returned monitor, please check whether the firmware version is the latest. If not, please do the following procedures to upgrade it to the latest version. 1 Equipment Needed - 33 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 34 2.4 Connect Power Cord to Monitor(TSUM series). 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. - 34 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 35 Step 1. Let Monitor(TSUM series) set to be connected with AC cable and VGA cable. Step 2.Execute the MSstar ISP tool. Step 3. Click “Device” button . Make sure that parameters relative to WP# is followed bellow. - 35 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 36 Step 5. Click “Auto” button. Be sure that function of Erase Device (File Area), Blank, Program and Verify is selected, then execute the flashing action by clicking the “Run” button. - 36 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 37 TextBox and Flash Status will be “8C” in the right-bottom of window. Step 7. Unplug and replug power cord of Monitor(TSUM series) set and then check the OSD operation and image on srceen. Step 8. At last, do “Memory Recall.” - 37 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 38 1.5 Connect PC to the additional monitor. JP1： Power Adapter P2： VGA Cable P1： to LTP Cable 2 DDC Key In Procedure Sep1.Select and execute DDC Key In program - 38 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 39 - 39 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 40 Sep2:Inpute the S/N and execute “Enter” - 40 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 41 - 41 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 42 Sep3:Key the “Enter” and write the data - 42 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 43 Sep4:If ddc program OK and show “data compare ok” - 43 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 44 3.2.4 Connect P4 to the Signal Generator (eg.Chroma2326) for verifying it after the operation being completed. 3.2.5 Connect P2 of Fixture with printer port of PC by LPT Cable. 3.2.6 Plug Power Adapter to Fixture. 3.2.7 Open DDC/CI - 44 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 45 3 Firmware Upgrade Procedure Step 1. Let Monitor(TSUM series) set to be connected with AC cable and VGA cable. Step 2.Execute the MSstar HDCP tool. - 45 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 46 Step 3. Click “加载 HDCP…” button , Select the object bincode on your corresponding directory. Step 4. Click option int the lef, select the way to write to only one monitor or two monitors. (eg. Only one monitor) - 46 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 47 Step 7. If HDCP write failed, please check relative connection(or DDCCI) is right or not , then execute the HDCP code write action again. - 47 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 48 5.9 Packing Procedure - 48 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 49: Troubleshooting Flow Chart

    6. Troubleshooting Flow Chart - 49 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 50: Recommended Spare Parts List

    0M1G 940 12 47 CR3 SCREW 0M1G1140 8120 SCREW 0M1G1730 6120 SCREW 0M1G1730 6120 SCREW 750GLH90N3C12N000V PANEL HSD190MEN3-C00 NJ HSD CBPC7HMJVSQJ1 MAIN BOARD J07G 1 S116 WOODEN PALLET 0.021 - 50 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 51 WAFER 9P RIGHT ANELE PITCH CN705 033G8019 6C CONN.6P 1.0 DIP CN404 033G801930F BH U CONNECTOR 30PIN CN401 056G 665 13 ROLL BALL SW RBS310800 OC401 061G152M519 64 5.1OHM 2W R775 - 51 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 52 SERIES E.C 105℃ CAP 470UF M 25V ED 067G215D4714KV C805 SERIES 067G215D6814KV CAP 105℃ 680uF M 25V C922 067G215D6814KV CAP 105℃ 680uF M 25V C923 067G215S10115R ELECTROLYTICAL CAPACITOR C907 - 52 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 53 093G 2245B HE X701 24.000MHZ 056G 562552 IC TSUMO5PCWHL-LF MSTAR U401 056G 563 31 IC AZ1117D-1.8-E1 U708 056G 585 4A AP1117E33LA U707 056G1133 34 M24C02-WMN6TP U404 056G1133 34 M24C02-WMN6TP U405 - 53 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 54 RST CHIPR 100 OHM +-5% 1/16W R468 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R469 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R771 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R435 - 54 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 55 061G0402473 RST CHIPR 47 KOHM +-5% 1/16W R405 061G0402560 RST CHIP 56R 1/16W 5% R474 061G0402682 RST CHIP 6K8 1/16W 5% R458 061G0402682 RST CHIP 6K8 1/16W 5% R471 - 55 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 56 MLCC 0402 0.1UF K 16V X5R C452 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C436 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C437 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C438 - 56 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 57 DIO SIG SM BAV99 (PHSE)R D415 093G 64 33 DIO SIG SM BAV99 (PHSE)R D414 093G 64 33 DIO SIG SM BAV99 (PHSE)R D413 093G 64 33 DIO SIG SM BAV99 (PHSE)R D411 - 57 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 58 077G 604 2 TO TACT 5W BY TOUKE TS-9-TMG-553 SW003 077G 604 2 TO TACT 5W BY TOUKE TS-9-TMG-553 SW002 077G 604 2 TO TACT 5W BY TOUKE TS-9-TMG-553 SW001 - 58 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 59 RST CHIPR 1 KOHM +-1% 1/10W R835 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R834 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R827 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R807 - 59 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 60 RST CHIPR 1KOHM +-1% 1/8W R913 061G0805100 2F RST CHIPR 10KOHM +-1% 1/8W R915 061G0805100 2F RST CHIPR 10KOHM +-1% 1/8W R923 061G0805100 3F RST CHIPR 100KOHM +-1% 1/8W R911 - 60 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 61 1000PF +-10% 50V X7R C904 065G0603104 12 CER2 0603 X7R 16V 100N P C804 065G0603104 12 CER2 0603 X7R 16V 100N P C807 065G0603104 12 CER2 0603 X7R 16V 100N P C814 - 61 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 62 D813 093G 64S511SEM IN4148W D916 093G 64S511SEM IN4148W D915 093G 64S511SEM IN4148W D910 093G 64S511SEM IN4148W D812 093G 64S511SEM IN4148W D811 093G 64S511SEM IN4148W D807 093G 64S511SEM IN4148W D803 - 62 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 63 061G0402115 2F RST CHIPR 11.5kOHM +-1% 1/16W R753 061G0402153 RST CHIP 15K 1/16W 5% R709 061G0402153 RST CHIP 15K 1/16W 5% R726 061G0402153 RST CHIP 15K 1/16W 5% R729 - 63 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 64 071G 56K121 CHIP BEAD FB702 071G 56K121 CHIP BEAD FB701 DIODE ESD EGA 10603V05A1-B 093G 64 49 SU ZD710 INPAQ DIODE ESD EGA 10603V05A1-B 093G 64 49 SU ZD709 INPAQ - 64 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 65 084G 56 4W FUSE 4.0A 250V F901 084G 56 4W FUSE 4.0A 250V F903 093G 6038T52T FR103 D901 093G1100 1152T DIODE PR1007R 1A/1000V DO-41 D900 715G2594 2 POWER BOARD - 65 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 66: Exploded Diagram And Spare Parts List

    8. Exploded Diagram And Spare Parts List - 66 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 67 SCREW(USB / scalar board & main frame) M1G940-12-47-CR3 SCREW(stand & VESA) M1G330-4-120 screw (USB BKT & mainframe) M1G330-6-120 screw (Panel & main frame) J37G006-1 HINGE ASS`Y J33G8B12EC2 1L VP950 HINGE COVER J52G8B01-1 MYLAR for VP950 - 67 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 68 Packing For Shipping - 68 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 69 CD MANUAL 1 PCS 089G402A18N LS POWER CABLE 1 PCS 089G 175 8 USB CABLE 1 PCS 089G 728HAA 1 SIGNAL CABLE 1 PCS 089G1748HAA AC DVI CABLE 1 PCS - 69 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 70: Disassemble Process

    7、 Lift up the main frame and lift down the FFC connectors according to the direction of the arrowhead, refer to the following picture 15,16. 8、 That’s all. The disassemble process of the unit is over. 9.1.3 Show pictures ： （Picture 1） （Picture 2） - 70 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 71 （Picture 3） （Picture 4） （Picture 5） （Picture 6） （Picture 7） （Picture 8） （Picture 9） （Picture 10） - 71 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 72 （Picture 11） （Picture 12） （Picture 13） （Picture 14） （Picture 15） （Picture 16） （Picture 17） - 72 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 73: Block Diagram

    Block Diagram Scaler TSUM56AWHL-L-1 (Include:ADC,OSD,MCU etc) - 73 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 74: Schematic Diagram

    Ltd. ) OEM MODEL Size VSC VP950 G2812-C-X-X-1-071016 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 4.0.POWER PCB NAME 715G2812-C <称爹> 称爹 Date Tuesday , October 16, 2007 Sheet - 74 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 75 OEM MODEL Size VSC VP950 D410 G2812-C-X-X-1-071016 TPV MODEL 絬 隔 瓜 絪 腹 RLZ5.6B Key Component 2.0.INPUT PCB NAME 715G2812-C <称爹> 称爹 Tuesday , October 16, 2007 Sheet Date - 75 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 76 Ltd. ) OEM MODEL VSC VP950 Size 絬 隔 瓜 絪 腹 G2812-C-X-X-1-071016 TPV MODEL Key Component 5.0.SCALER PCB NAME 715G2812-C <称爹> 称爹 Date Tuesday , October 16, 2007 Sheet - 76 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 77: Panel Interface

    Ltd. ) OEM MODEL VSC VP950 Size G2812-C-X-X-1-071016 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 3.0.OUTPUT PCB NAME 715G2812-C <称爹> 称爹 Date Tuesday , October 16, 2007 Sheet - 77 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 78 R840 　 1/4W 10K 1/10W 1% OLP4 D809 D810 BAV99 BAV99 C818 C817 0.0022uF 0.0022uF C822 R839 1.5 KOHM +-1% 1/10W R841 1500PF/50V 1.5 KOHM +-1% 1/10W CHANGE UPDATE - 78 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 79 HEAT SINK(Q900) 2.4K 　 1/8W HEAT SINK(D920) AOC (Top Victory) Electronics Co., Ltd. C915 Title PWPC942HV2 SOCKET Size Document Number Custom G2594-1-X-X-10-070926 Date: Friday , September 28, 2007 Sheet - 79 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 80 Size VSC VA916 G2807-B-X-X-1-070730 TPV MODEL 絬 隔 瓜 絪 腹 KEPC7QV3 Key Component 1. Key board PCB NAME 715G2807-B <称爹> 称爹 Monday , July 30, 2007 Sheet Date - 80 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 81 OEM MODEL VP950 Size 絬 隔 瓜 絪 腹 G2829-A-x-x-1-20070730 TPV MODEL USB7QV1 Key Component 02.USB HUB USB2514 PCB NAME G2829-A 称爹 备注 Monday , July 30, 2007 Sheet Date - 81 – ViewSonic Corporation VP950b Confidential - Do Not Cop...

  • Page 82: Pcb Layout Diagram

    12. PCB Layout Diagram 12.1 MAIN BOARD PCB TOP VIEW - 82 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 83 12.2 MAIN BOARD PCB BUTTON VIEW - 83 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 84 12..3 POWER PCB TOP VIEW - 84 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 85 12.4 POWER PCB BUTTON VIEW - 85 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 86 12.5 KEY BOARD TOP VIEW 12.6 KEY BOARD BUTTON VIEW 12.7 USB BOARD TOP VIEW & BUTTON VIEW - 86 – ViewSonic Corporation VP950b Confidential - Do Not Cop...
  • Page 87 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 suggestion to the Director, Quality System & Process (marc.maupin@viewsonic.com) - 87 – ViewSonic Corporation...

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