Advertisement

Quick Links

VN Series
Service Manual
Version: V1.0, 26/3/2018

Advertisement

Table of Contents
loading

Summary of Contents for NewLine VN Series

  • Page 1 VN Series Service Manual Version: V1.0, 26/3/2018...
  • Page 2: Table Of Contents

    VN Service Manual Contents: Safety Notice ............................2 Part A. System Diagram ......................... 3 Part B. Recommended Spare Parts List ....................4 Part C. Structure Exploded Diagram ....................7 Part D. Overall Process of Disassembly & Reassembly ..............7 Part E. PCBA Overviews ........................8 Part F.
  • Page 3: Safety Notice

    VN Service Manual Safety Notice 1. There are many electrical and mechanical parts in the VN series touchscreen, which the technician need pay attention to the safety precaution before repairing. 2. It is essential that all the components should be replaced with the same or authorized components as recommended in this manual to prevent Shock, Fire, or any other Hazards.
  • Page 4: Part A. System Diagram

    VN Service Manual Part A. System Diagram To backlight module IR Touch Panel Optical bonding Module TempSensor pcb T-Con AC Relay control Touch signal LVDS Power AC In board Temp & Hard reset HDMI out 230V HDMI MSD828.11 Powerboard docking ON/OFF, PC Detect Android Mainboard OPS PC...
  • Page 5: Part B. Recommended Spare Parts List

    VN Service Manual Part B. Recommended Spare Parts List VN65 RSPL: Part No. Part Description Usage Standard Spare Parts 10503T6A8000002 Powerboard, AY450D-5SF111/MP600S-H-65T 30500T6G7001010 Mainboard, MSD828.11UHD 2.0/8GB HDMI-OUT 30100T5J5029010 OPS docking board, HHT-OPS_PS8409-4K60HZ V01 30100T6G8006010 AC Relay control board, HHT-AC_Relay control_17_828 30100ZZZZ001629 TempSensor pcb, HHT_TempSensor_15_901.3v02 30100T6G8004010 Front port pcb, FRONTBOARD KEY-VN-17 10503T7A7000001...
  • Page 6 VN Service Manual VN75 RSPL: Part No. Part Description Usage Standard Spare Parts 10503T6GP000002 Powerboard, AY668D-4MF102 A PMI 30500T6G7001010 Mainboard, MSD828.11UHD 2.0/8GB HDMI-OUT 30100T5J5029010 OPS docking board, HHT-OPS_PS8409-4K60HZ V01 30100T6G8006010 AC Relay control board, HHT-AC_Relay control_17_828 30100T6G8004010 Front port pcb, FRONTBOARD KEY-VN-17 10503T7A7000001 Wifi module, 5G WIFI WC0DR2611 30100ZZZZ001629...
  • Page 7 VN Service Manual VN86 RSPL: Part No. Part Description Usage Standard Spare Parts 10503T6JP000002 Powerboard, AY668D-4MF101 A PMI 30500T6G7001010 Mainboard, MSD828.11UHD 2.0/8GB HDMI-OUT 30100T5J5029010 OPS docking board, HHT-OPS_PS8409-4K60HZ V01 30100T6G8006010 AC Relay control board, HHT-AC_Relay control_17_828 30100T6G8004010 Front port pcb, FRONTBOARD KEY-VN-17 10503T7A7000001 Wifi module, 5G WIFI WC0DR2611 30100ZZZZ001629...
  • Page 8: Part C. Structure Exploded Diagram

    VN Service Manual Part C. Structure Exploded Diagram Basically there are 4 layers for VN series structure, they are Outer frame (IR touch panel inside), Optical bonding module, Backlight module and PCBAs. Structure exploded diagram (Zoom in to see details): https://www.dropbox.com/s/ik4c99kz4gtmerm/VN%20series%20exploded%20drawing.pdf?dl=0...
  • Page 9: Part E. Pcba Overviews

    VN Service Manual Part E. PCBA Overviews Power board TempSensor OPS Dock board Wifi module AC board Mainboard T-con board Front port board Page: 8 / 27...
  • Page 10 VN Service Manual 1. Mainboard wiring OPS docking board Wifi module Speaker L & R Front port board T-Con board T-Con board OPS docking board Powerboard IR mainboard Front port board AC board Page: 9 / 27...
  • Page 11 VN Service Manual Page: 10 / 27...
  • Page 12 VN Service Manual 2. Powerboard wiring OC backlight OPS docking board Mainboard AC switch board 3. OPS docking board wiring Mainboard Mainboard Powreboard Page: 11 / 27...
  • Page 13 VN Service Manual 4. Wifi module wiring Antenna Mainboard 5. AC Switch board wiring Powerboard Mainboard TempSensor pcb Hard Reset button Page: 12 / 27...
  • Page 14 VN Service Manual 6. Front port board wiring Mainboard Mainboard 7. TempSensor PCBA wiring AC switch board 8. T-CON board wiring Mainboard Mainboard OC PCBA OC PCBA OC PCBA OC PCBA Page: 13 / 27...
  • Page 15 VN Service Manual Page: 14 / 27...
  • Page 16: Part F. Ir Touch Panel Signal Test

    VN Service Manual Part F. IR Touch Panel Signal Test Step 1: Switch to Windows source. Step 2: Double click “VN series IR signal touchtest tool_v1.09.exe” to run it. https://www.dropbox.com/s/bltbpzds4judt22/VN%20series%20IR%20signal%20touchtest%20t ool_v1.09.exe?dl=0 Step 3: Click the second option to start the signal testing.
  • Page 17 VN Service Manual *It may will not affect the writing performance, if yes, it don’t need be repaired. Note: If problem still present, please take picture or screen shoot the testing result to us for analysis. Page: 16 / 27...
  • Page 18: Part G. Replace Oc Backlight Module

    VN Service Manual Part G. Replace OC Backlight module Refer to chapter A of Part D. Part H. Replace Optical bonding module / Clean dirt inside the glass Refer to chapter A of Part D. Note: Clean the dust on the led glass surface with a dustless cloth in a dust-free plant under a strong light source.
  • Page 19: Part J. Replace Ir Touch Panel Sensor Pcbas

    VN Service Manual Part J. Replace IR Touch Panel Sensor PCBAs Please see the chapter B of Part D before operation. VN65: VN75: Page: 18 / 27...
  • Page 20 VN Service Manual VN86: Step 1: Place it on a flat table, open 4 corner covers. Page: 19 / 27...
  • Page 21 VN Service Manual Step 2. Use a thin screwdriver or ball-pen to push and disconnect the PCBAs in the corner then take out the disconnected PCBA according to below red mark direction. Page: 20 / 27...
  • Page 22 VN Service Manual Step 3. Take new IR PCBA SET and according to the IR PCBA Layout to confirm the position in the 4 frames for every pieces PCBA, according to below red mark direction to insert the PCBAs. PCBA identification: Page: 21 / 27...
  • Page 23 VN Service Manual Take care to make sure every piece PCBA must be connected solidly, no loose connection. Step 4. Connect the corner PCBAs pins, usually need 2 person co-work to connect it, one person to take air the contact pins and pin slot, one person push the PCBA in another side to make the contact pins get in pin slot.
  • Page 24: Part K. Firmware Upgrade

    VN Service Manual Part K. Firmware Upgrade Step 1: Prepare a USB drive and formatted it with FAT32 format, copy the firmware files to the root folder of the USB drive, show as following: Step 2: Turn off the screen to standby status, connect the USB drive to below USB port. Step 3: Turn on screen, the firmware upgrade will start automatically.
  • Page 25 VN Service Manual Step 5: Go to setting menu to check the firmware version. Page: 24 / 27...
  • Page 26: Part L. Trouble Shooting

    VN Service Manual Part L. Trouble shooting Problem #1: Can’t turn on machine (Power indicator always stay on red) Problem #2: Dim screen (After turn on, the display get image but is very faint hard to see) Problem #3: Android can’t pick up the OPS signal Problem #4: No power (Power indicator is blank even no red colour) Problem #5: Partial touch or dead touch area Problem #6: No touch...
  • Page 27 VN Service Manual Problem #1: Can’t turn on machine (Power indicator always stay on red) Step 1: Replace the mainboard firstly. Step 2: Replace the powerboard. Problem #2: Dim screen (After turn on, the display get image but is very faint hard to see) Step 1: If backlight is ON, replace the optical bonding module.
  • Page 28 VN Service Manual Problem #9: Black spot or Partial screen is dark Step 1: Replace optical bonding module. Problem #10: Vertical line or Horizontal line Step 1: Replace optical bonding module. Problem #11: Noise image or colour distortion Step 1: If only OPS source has this issue, replace the OPS docking board or HDMI cable that between OPS docking board and Mainboard.
  • Page 29 VN Service Manual Problem #17: The splash logo appear and disappear quickly, then black screen. Step 1: Replace LVDS cable and Mainboard one by one. Step 2: Replace T-CON board, clear FFC cable of T-Con board. Step 3: Replace optical bonding module. Problem #18: No signal from all HDMI input Step 1: Replace Mainboard.

Table of Contents