NewLine TRUTOUCH VN Series Service Manual

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VN Series

Service Manual

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Summary of Contents for NewLine TRUTOUCH VN Series

Page 1 VN Series Service Manual...
Page 2 VN Service Manual Safety Notice 1. There are many electrical and mechanical parts in the TRUTOUCH VN Series interactive display. Pay attention and take safety precautions before repairing the display. 2. It is essential that all components be replaced with authorized components recommended in this manual to prevent shock, fire, or any other hazards.
Page 3 VN Service Manual Part A. PCBA Overviews Power board TempSensor OPS Dock board Wifi module AC board Mainboard T-con board Front port board...
Page 4 VN Service Manual 1. Mainboard wiring OPS docking board Wifi module L & R Speaker s Front port board T-Con board T-Con board OPS docking board Powerboard IR mainboard Front port board AC board Page: 9 / 27...
Page 5 VN Service Manual...
Page 6 VN Service Manual 2. Powerboard wiring OC backlight OPS docking board Mainboard AC switch board 3. OPS docking board wiring Mainboard Mainboard Powreboard...
Page 7 VN Service Manual 4. Wifi module wiring Antenna Mainboard 5. AC Switch board wiring Powerboard Mainboard TempSensor pcb Hard Reset button...
Page 8 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 9 VN Service Manual...
Page 10 VN Service Manual Part B. Replace IR Touch Panel Sensor PCBAs VN65: VN75:...
Page 11 VN Service Manual VN86: Step 1: Place the display on a flat table and open the 4 corner covers.
Page 12 VN Service Manual Step 2. Use a thin screwdriver or pen to push and disconnect the PCBAs in the corner. Then take out the disconnected PCBA according to below red marked directions.
Page 13 VN Service Manual Step 3. Take the new IR PCBA SET and, using the IR PCBA Layout, confirm the position in the 4 frames for every piece of the PCBA and insert according to the below red marked directions. PCBA identification:...
Page 14 VN Service Manual Make sure every piece of the PCBA is connected securely and has no loose connection. Step 4. Connect the corner PCBAs pins. Usually you will need 2 people to connect this, one person to move the contact pins and pin slot, one person to push the PCBA in on another side to make the contact pins go securely into the pin slot.
Page 15 VN Service Manual Part C. Firmware Upgrade Step 1: Prepare a USB drive with the FAT32 format. Copy the firmware files to the root folder of the USB drive, as shown in the following images: Step 2: Turn off the display and connect the USB drive to the below front USB port. Step 3: Turn on the display and the firmware upgrade will start automatically.
Page 16 VN Service Manual Step 5: Go to the Settings menu to check the firmware version is correct.
Page 17 VN Service Manual Part C. Trouble shooting Problem #1: Can’t turn on machine (Power indicator always stay on red) Problem #2: Dim screen (After turn on, the display gets an image but it is very faint and hard to see) Problem #3: Android can’t pick up the OPS signal Problem #4: No power (Power indicator is blank, neither green or red) Problem #5: Partial touch or dead touch area...
Page 18 VN Service Manual Problem #1: Can’t turn on machine (Power indicator always stay on red) Step 1: Replace the mainboard first. 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 19 VN Service Manual Problem #9: Noise image or colour distortion Step 1: If only the OPS source has this issue, replace the OPS docking board or HDMI cable that goes between the OPS docking board and the Mainboard. Step 2: If all sources, including Android, have this issue, replace the Mainboard, T-CON board, and LVDS cable one by one.
Page 20 VN Service Manual Thank you for reading! For more info, please contact the manufacturer or authorized agent.

This manual is also suitable for:

Trutouch vn86 Trutouch vn75 Trutouch vn65