ViewSonic VG710b Service Manual
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ViewSonic VG710b Service Manual

ViewSonic VG710b Service Manual

17” color tft lcd display
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Service Manual

ViewSonic VG710b/s1
Model No. VLCDS23719-4W
Model No. VLCDS23719-5W
17" Color TFT LCD Display
(VG710s/b-1_SM_718 Rev. 1a Feb. 2004)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1: Service Manual

    Service Manual ViewSonic VG710b/s1 Model No. VLCDS23719-4W Model No. VLCDS23719-5W 17” Color TFT LCD Display (VG710s/b-1_SM_718 Rev. 1a Feb. 2004) 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

    4. Circuit Description 5. Adjusting Procedure 6. Trouble Shooting Flow Chart 7. Recommended Spare Parts List 8. Exploded Diagram And Spare Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 4: Precautions And Safety Notices

    Reflector edge softly. Otherwise the TFT Module may be damaged. (10) At the insertion or removal of the Signal Interface Connector, be sure not to rotate nor tilt the Interface Connector of the TFT Module. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 5 (14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit (IEC60950 or UL1950). Do not connect the CFL in Hazardous Voltage Circuit. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 6 Do not touch the surface of the may cause “Mura.” polarizer. Take out the monitor with cushions Taking out the monitor by grasping the LCD panel. That may cause “Mura.” Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 7 Placing the monitor on foreign objects. That could Place the monitor on a clean and soft foam pad. scratch the surface of the panel or cause “Mura.” The panel is placed facedown on the lap. That may cause “Mura.” Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 8: Specification

    1024 x 768 @ 85Hz, 68.67kHz 18. 1024 x 768 @ 85Hz, 68.67kHz 1280 x 1024 @ 60Hz, 63.4kHz 19. 1280 x 1024 @ 60Hz, 63.4kHz 20. 1280 x 1024 @ 75Hz, 79.97kHz Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 9 Note: The 2 source of LCD panel is “AU M170EN05.” 7. Mechanical Dimensions Width 378 mm Height 405 mm Depth 177 mm Depth (Head Only) 50 mm Monitor Weight 5.3 kg / 11.66 lbs Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 10 Storage Temperature -20°C to +60°C Operating Relative Humidity 20% to 80% RH Non-Condensing Storage Relative Humidity 5% to 90% RH Non-Condensing Operating Altitude 0 to +3,000 meters Storage Altitude 0 to +12,000 meters Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 11: Front Panel Function Control Description

    Orange = Power Saving Audio Mute button Power turns the sound off. On/Off 2. OSD Menu Controls Select the menu items shown below by using the up [▲] and down [▼] buttons. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 12 H./V. Position (Horizontal/Vertical Position) -- moves the screen image left or right and up or down. Fine Tune -- sharpens the focus by aligning the text and/or graphic characters. NOTE: Try Auto Image Adjust first. Sharpness -- adjusts the clarity and focus of the screen image. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 13 [Up] + [Down] + [Power On] Burn in Mode. After entering Burn in Mode, press [1] button, you can find the information about this without signal (hold for 3 seconds) monitor. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 14: Circuit Description

    After the device performs chip erase or block erase operation, it can be reprogrammed on a byte-by-byte basis. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 15 85MHz, 24 bits of RGB data and 4 bits of LCD timing and control data (HSYNC, VSYNC, CNTL1, CNTL2) are transmitted at a rate of 595 Mbps per LVDS data channel. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 16: Adjusting Procedure

    1024 x 768 @ 85Hz, 68.67kHz 18. 1024 x 768 @ 85Hz, 68.67kHz 1280 x 1024 @ 60Hz, 63.4kHz 19. 1280 x 1024 @ 60Hz, 63.4kHz 20. 1280 x 1024 @ 75Hz, 79.97kHz Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 17 The screen must have the pure white Figure 9 and black pattern, no other color. Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2) Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4) Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 18 G. Color Pattern (Figure5) B. Color Pattern (Figure 6) Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8) Black-White Pattern (Figure 9) Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 19 (b) Then, select and enter “Horizontal Size” or “Horizontal/Vertical Position” function to adjust the video boundary to be full scanned and within screen frame. 1.5.7 White Balance Test Signal: 640*480@60Hz Test Pattern: White and Black Pattern Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 20 - Normally when the primary mode 1280*1024@60Hz is well adjusted and compliant with the specification, the secondary display modes will also be compliant with the spec. But we still have to check with the general test pattern to make sure every secondary is compliant with the specification. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 21 - 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 execution Printer Port VG710 Fixture Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 22 2.2.3 Plug Power Adapter to Fixture. 2.2.4 Connect Power Cord to VG710 Monitor. 2.2.5 Connect PC to the additional monitor. JP1: to Power Adapter P1: to VGA Cable P2: to LPT Cable Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 23 2.2.6 Install GProbe Program by selecting and clicking Gprobe icon. Press “Yes” or “Next” buttons until the installation is complete. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 24 Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 25 Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 26 2.3 Firmware Upgrade Procedure Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 27 Step 2. Save these three files<bdisp.txt>, <p204_205.bin> and <710LG_V2_48.bin> in a hard disk (better in a root directory, e.g. C:\ or D:\ ). Step 3. Open <bdisp.txt> file. Key in the path where you save the driver <p204_205.bin> and firmware <710LG_V2_48.bin>. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 28 Step 4. Execute Gprobe program. Step 5. Click Connection Setup icon. Select Protocol: DDC 2Bi3, Port: LPT1 (0x378), Speed: 70000. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 29 If the test result shows “passed,” it means the connection is well. If not (failed), it means the connection has problems. Then you need to check the setup procedure or reboot the PC, or simply use another PC to do the firmware upgrade. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 30 Step 7. Key in “batch C:\VG710\bdisp.txt” after “Gprobe:”, and then press “Enter” key to begin programming automatically. Step 8. The successful picture is as follows: Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 31 (a) If there is error to execute the command at or before line10 in the “bdisp.txt” batch file (for instance, the message “Error executing batch file at line 4” shows up in the Gprobe program (see the following picture)), please try to upgrade the firmware again. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 32 “FLASHWRITE C:\VG710\710LG_V2_48.bin” to “Gprobe:>” in the Gprobe program, and then press “Enter” (see the picture next page). Test passed. Test passed. Test passed. Erasing FLASH... Done. Writing FLASH... Writing FLASH... FAILED. Error executing batch file at line 16. Execution time: 9.61s GProbe:> Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 33 2. If the firmware upgrade still fails, reboot the PC, or simply use another PC to upgrade. 3. If the above procedures don’t work, unplug and re-plug the power cord of the monitor. Then try to upgrade the Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 34 - One additional monitor for checking the program execution JP3 must be closed COM1: RS232 Cable V3 Fixture VG710 RS-232 Cable DVI-DVI Cable Power Adapter for Fixture (P/N: 42.55907.001) (P/N: 42.56108.012) (P/N: 47.56001.501) Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 35 3.2.6 Connect PC to the additional monitor. P3: to DVI-DVI Cable P2: to VGA Cable JP3 must be closed P1: to RS232 Cable JP1: to Power Adapter 3.3 DDC Key In Procedure Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 36 Step 1. Select and execute DDC Key In program. Step 2. Select “W/w - writing mode.” Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 37 Step 3. Key in the serial number or use the barcode reader to scan the barcode of the monitor, and then press “Enter” key. Step 4. The successful picture is as follows. “The checksum values will appear after DDC is upgraded successfully in both VGA and DFP (DVI) modes.” Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 38 - Execute the DDC Key In program and select “R/r - Reading mode” in Step 2. - Use barcode reader to scan the barcode of the monitor. If the DDC is correct, the “Send VGA” and “Send DFP” will show “Check Pass!” message. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 39: Trouble Shooting Flow Chart

    - VG710 Monitor - Philips Screw Driver #101 and #107 - Electronic Hex Nut M5 mm - PC (Personal Computer) with SXGA resolution and sound card / Pattern Generator 2. Main Procedure Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 40 2.1 A. Power Circuit Troubleshooting 2.2 B. Performance Troubleshooting Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 41 Notice: 1. Make sure VGA cable connected to PC directly, not via anything like “Data transfer” or “Distribution” ……After this Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 42 Ghost image disappears, go to “Yes”; else, go to “No.” 2. Check the compatibility on the computer. If it is compatibility problem, feedback the information to ViewSonic; else, go to “No.” 2.3 C. Function Troubleshooting 2.4 D. Speakers Troubleshooting...

  • Page 43: Recommended Spare Parts List

    M-MS-0808-8953 51.59907.001 WIRE MOUNT MC-03A "G&A" VX930 WIRE MOUNT M-MS-0808-8750 51.61103.001 MYLAR ADHESIVEt=0.3mm VP171 MYLAR M-MS-0808-8954 51.62703.002 HINGE CAP ABS HB-VS08 VG710b HINGE CAP M-CV-0830-2479 51.62706.002 BASE COVER ABS HB-VS08 VG710b BASE COVER M-MS-0808-8955 51.62707.002 FRONT ARM ABS HB-VS08 VG710b...
  • Page 44 SPEC LABEL M-MS-0808-8946 35.62702.001 BIRD LOGO AL E015-006 VG710s LOGO M-MS-0808-8947 35.62703.001 COSMETIC STRIP ADHESIVE CS-VS06 140*21*0.3t COMETIC STRIP M-MS-0808-8948 35.62704.001 ViewSonic AL-LOGO E015-016-1 ViewSonic LOGO A-CD-VG710S 36.62701.001 USER GUIDE+CD VG710s USER GUIDE M-MS-0808-8882 41.55601.001 EMI Tape (80773) 20*40mm EMI TAPE M-MS-0808-8949 41.58301.001 EMI TAPE 80773 25*75mm...
  • Page 45 Location Q'ty A-PC-0106-0187 42.50126.001 CABLE POWER CORD 1.8M+0.1M (CHINA) POWER CORD M-MS-0808-8773 36.58307.002 WARRANTY CARD WARRANTY CARD S. CHINESE SECOND VERSION VIEWSONIC M-LB-0813-0737 36.58308.001 WARRANTY STICKER S. CHINESE WARRANTY STICKER M-LB-0813-0739 36.58309.001 SHIPPING WARRANTY STICKER S. CHINESE VIEWSONIC SHIPPING STICKER 51.58317.001...

  • Page 46: Viewsonic Corporation

    Location Q'ty DC.62701.002 D.C. VG710s;LG TWO-TONE 35.00010.002 LABEL CAUTION HIGH VOLTAGE 25.4*19mm CAUTION LABEL M-LB-0813-0736 35.58304.001 LABEL BARCODE 40*14 ViewSonic BAR CODE LABEL M-LB-0813-0781 35.61203.001 LABEL BAR CODE 50*25mm VP191 BAR CODE LABEL M-LB-0813-0888 35.62701.001 LABEL SPEC 120*50mm VG710s SPEC LABEL M-MS-0808-8948 35.62704.001...
  • Page 47 Item ViewSonic P/N Ref. P/N Description Location Q'ty 01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL R24, R25, R26. 01.75116.501 RES RP 750 1% 1/16W CHIP #0603 R11. 01.78216.501 RES RP 7.87K 1% 1/16W CHIP #0603 R78, R79. 02.10075.402 CAP CE 10u 25V 20% 5*11mm 105 DEGREE C (PZ) C114.
  • Page 48 Item ViewSonic P/N Ref. P/N Description Location Q'ty 35.00018.001 LABEL BARCODE 13*26.5mm BLANK 39.62701.001 FW BIOS SOURCE CODE VG710 SW1, SW2, SW3, SW4, 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA SW5,SW6, SW7, SW8. 61.00039.001 EYELET BR φ3*4.0 61.59901.001 SHIELDING PLATE DVI T-PLATE 0.3t CN1.
  • Page 49 VG710s VIEWSONIC INDIVIDUAL PARTS OF VSI-P Item ViewSonic P/N Ref. P/N Description Location Q'ty A-PC-0106-0273 42.58204.001 CABLE POWER CORD 1830mm PC TYPE C01 OR:BLACKPOWER CORD A-PC-0106-0271 42.50112.001 CABLE POWER CORD 1830mm SP-023+IS14 EUR. POWER CORD VIEWSONIC INDIVIDUAL PARTS OF VSCN-G Item ViewSonic P/N Ref.
  • Page 51 Item ViewSonic P/N Ref. P/N Description Q'TY M-MS-0808-8947 35.62703.001 COSMETIC STRIP ADHESIVE CS-VS06 140*21*0.3t M-MS-0808-8948 35.62704.001 ViewSonic AL-LOGO E015-016-1 ViewSonic M-LCD-0826-0178 48.61101.001 TFT LCD 17" LG LM170E01-A5,SXGA M-MS-0808-8797 51.00014.002 FILAMENT TAPE 3M NO.8915 25mm*55M 0.0011 E-SK-0412-0080 49.62701.001 SPEAKER 3W FOR VG710 M-MS-0808-8953 51.59907.001...
  • Page 52 56.62701.001 CUSHION R EPS VG710s P-FM-0602-0819 56.62702.001 CUSHION L EPS VG710s P-BX-0601-0895 55.62701.001 CARTON AB-18 455*205*480(h) VG710s 4_1 P-BX-0601-0891 CARTON AB-18 455*205*480(h) VG710b 55.62701.002 M-MS-0808-8951 51.58204.001 PE BAG LDPE 420*600*0.07t W/HOLE FOR VG500 A-AD-0114-0204 47.62701.001 ADAPTER IN100-240V 12V/3.33A;"LSE" A-AU-0120-0032 42.59903.001 CABLE AUDIO 1.8M LM/BK/LM VX2000...

  • Page 53: Packing Procedure

    1.4 Place the monitor into the carton and then put all the accessories into the carton. At last, close the carton and seal it with tape. (Figure 4) Adapter, VGA Cable, & Audio Cable Power Cord User Guide Figure 3 Figure 4 Place User Guide faceup. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 54 Lay VG710 Monitor face down to detach Hinge Cap. Hinge Cap Unscrew four screws to remove Stand Unit. Stand Unit Unscrew eight screws to remove Base Cover, Base Plate, and Hinge. Base Cover Hinge Base Plate Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 55 Use a screw driver (-) to lift up Front Arm. Front Arm Uscrew one screw to remove Rear Arm. Rear Arm Hinge Assy Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 56 Unscrew 2 screws on the rear side of the monitor. Press four sides of Rear Cover to loosen the tenons inside, and then the Rear Cover can be removed. Press four sides of Rear Cover. Rear Cover Unscrew three screws to remove Shielding Cover. Shielding Cover Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 57 2.4 Unscrew seven screws to remove Shielding Cover. Shielding Cover 2.5 Unscrew three screws and four hex screws, and disconnect the wires to remove Main Board. Unscrew four screws to remove speaker module. Main Board Speaker Module Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 58 Press the rim of Front Cover to loosen the tenons inside, and then the Front Cover can be detached. Unscrew two screws and disconnect a wire to remove Keypad. Front Cover Keypad Lay Panel Unit facedown and unscrew four screws on its right and left sides. Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 59 Detach LCD Bracket from LCD Panel. Remove off the filament tape and disconnect the wire on the LCD Panel. LCD Bracket LCD Panel Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...

  • Page 60: Block Diagram

    FLASH MEMO RY A/D BUS Pm39LV010R DDC_II C EEPROM LVDS RA/GA/BA[0~7] PANEL INPUT TMDS DVS/DHS/DEN/DCLK LVDS Singal ASIC LG 17 " RB/GB/BB[0~7] R/G/B AUO 17" GM512 0 D_SUB HS/VS INPUT DDC_II C BLON EEPROM INVERTER EEPROM 24LC16B XTAL VOLU ME AUDIO 16 ohm 14.318MH z...

  • Page 61: Schematic Diagrams

    +2.5VD AIC1084 +12V +5VIN VOUT CIRDIN_4-R +12VIN 22uH 330/1% 100uF/16V 100uF/16V 0.1uF 0.1uF C141 C140 0.1uF 0.1uF 0.1uF 120uF/16V 1000uF/16V 0.1uF 0.1uF 120uF/16V 0.1uF 330/1% R5 1K BRIGHT R114 +12V +12V +12V C178 HEADER 10-2.0 +3.3VA NC/0.1uF NC/100pF NC/0.1uF 100uF/16V XC6201 C179 VI VO...
  • Page 62 MUTE MENU SELECT VOLUME+ DVI_5V BAV70 DOWN DVI Connector SOT23 VOLUME- MUTE PWR_SW MENU LEDG SELECT DVI-I LEDR VOLUME+ SCL_IN1 C156 C157 DVI_5V DOWN SDA_IN1 DSUB RX2- RX2- 0.1u 0.1u RX2+ RX2+ VOLUME- PWR_SW R108 0 /NC 4.7K 4.7K RX4- ISP_SDA LEDG R109...
  • Page 63 3.3V_DVDD 3.3V_DVDD 2.5V_VDD 3.3V_DVDD DCLK 100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 3.3V_AVDD 22pF 22pF AVDD_DDDS AVDD_SDDS 3.3V_AVDD AVDD_RPLL 3.3V_AVDD AVDD_IMB RP17 AVDD_RX2 AVDD_RX1 DCLK DEN\ AVDD_RX0 DHS\ AVDD_RXC 3.3V_A DVS\ 100pF on pin-196 AVDD_BLUE 100uF/16V 0.1uF...
  • Page 64 AN7522 C197 0.1u +12V 22uH VDO_PWR C170 C122 C123 1000uF/16V 0.01uF 1000uF/16V JP1 0 OUT_R+ BEAD OUT _R- BEAD OUT_L + BEAD OUT_L- BEAD 4 HE ADER ADO_CTRL VOL UME BEAD-600 R7 8 7.87K 1% AAIN R1 ADORI N C115 BEAD-600 R7 9 7.87K 1% AAINL1...
  • Page 65 OB[0..7] DRO[0..7] OB[0..7] DRO[0..7] OG[0..7] DGO[0..7] OG[0..7] DGO[0..7] DBO7 DRO7 DGE7 OR[0..7] DBO[0..7] OR[0..7] DBO[0..7] DBO6 DRO6 DGE6 DBO5 DRO5 DGE5 EB[0..7] DRE[0..7] EB[0..7] DRE[0..7] DBO4 DRO4 DGE4 EG[0..7] DGE[0..7] EG[0..7] DGE[0..7] 100X4 100X4 100X4 ER[0..7] DBE[0..7] ER[0..7] DBE[0..7] RP18 RP22 RP26 DBO7...
  • Page 66 +3.3VL For Fujitst Panel select Lvds mappin g C165 C166 DCLKA 100pF 100pF +3.3VL DCLK DCLKB +3.3VD +3.3VL Bead /1206 C203 C124 C125 C169 +3.3VL DRE4 Vcont TxIN4 DRE3 DRE7 0.1uF 10uF/16V 0.1uF 0.1uF DRO[0..7] TxIN5 TxIN3 C126 DRE5 DRE2 TxIN6 TxIN2 DGE0...

  • Page 67: Pcb Layout Diagrams

    11. PCB Layout Diagrams Main Board CAM350 V 5.0 : Thu Jul 10 11:34:40 2003 - (Untitled) Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 68 Main Board CAM350 V 5.0 : Thu Jul 10 11:35:47 2003 - (Untitled) Control Board Confidential - Do Not Copy ViewSonic Corporation VG710b/s-1...
  • Page 69 We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation Assessment A.What do you think about the content after reading VG710b/s-1 Service Manual? t i n e l l Precautions And Safety Notices 2.

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