NewLine TT 19NT Series User manual

TT-XX19NT series
Service Manual
Version: V1.1, 21/04/2020

TT-XX19NT Service Manual
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Contents:
Safety Nnotice ......................................................................................................................................... 2
Part A. System Diagram ........................................................................................................................ 3
Part B. Recommended Spare Parts List ............................................................................................. 4
Part C. Six View ...................................................................................................................................... 6
Part D. Screen PCBA change instruction ........................................................................................... 7
Part E. PCBA Overviews ....................................................................................................................... 7
Part F. Firmware Upgrade ................................................................................................................... 13
Part G. Trouble shooting ..................................................................................................................... 16

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Safety Nnotice
1. There are many electrical and mechanical parts in the NT series screen, 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.
3. Please do not modify the original mechanical or electrical design without previous verification
from the manufacturer or authorized agent.
4. Before start repairing or disassembling the machine, please make sure unplug the machine
from any power source and properly grounded.

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Part A. System Diagram
AC Plug
OPS
docking
board
Power board
H811
Mainboard
T-CON board
AC In
,
Power supply
OPS PC
IR & Front Keypad board
HDMI out
OC Module
Speaker L
LVDS
LVDS
220V
Backlight
Speaker R
Back Keypad board
WIFI module
Microphone board
Mic mainboard
USB conversion board
6M60 board
(No this part
on NT85)
Power supply
Power supply
Power supply

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Part B. Recommended Spare Parts List
TT-8519NT RSPL:
Part No.
Part Description
Usage
Initial Parts set
10514T8JF020010
Powerboard, MP660SG-5Q64 V01
1
10503T9IT000009
Mainboard, XM.H811.G.A0
1
10503T9IT000004
OPS docking board, XF.OPS.M
1
10503T9IT000006
Mic mainboard
1
10503T9IT000007
Microphone board
1
31000T9JT001010
IR&Front keypad board, HHT-WOT-FRONT-KEY V01
1
31000T9JT002010
Rear keypad board, HHT_WOT_85_BACK_KEY V01
1
31000T8C9003010
USB conversion board, HHT_USB 3.0 CONVERSION BOARD_V01
1
31000T9IT002010
WIFI module, WIFI&BT_7668U_V01
1
Part list for reference
10503T5J5000025
T-CON board, 60HZ AUO-T850QVR02.3
1
10403ZZZZ002208
Inner cable, power supply, between Powerboard and Mainboard, 520MM
1
10403ZZZZ002212
Inner cable, between Mainboard and T-CON board 51P, FFC cable 730MM
1
10403ZZZZ002209
Inner cable, between Mainboard and Microphone board, 950MM
1
10403ZZZZ002210
Inner cable, between Mainboard and Front keypad board, 770MM, and Rear
keypad board 1280MM
1
10403ZZZZ002211
Inner cable, Speaker cable, Left 1650MM Right 850MM
1
10403ZZZZ002214
Inner cable, between AC Plug and Powerboard 300MM
1
10403ZZZZ002215
Inner cable, USB 3.0 EMI 1850MM
1
10500T9IT001010
Speaker, 6Ω 20W 65350
2
10403ZZZZ002190
Inner cable, between Powerboard and OPS docking board 700MM
1
10403ZZZZ002241
Inner cable, between Mainboard and OPS docking board, 51P FFC 440 MM
OEM-C-86” 810
1
10507V16W010010
USB 3.0 cable, A-B 3m
1
10403ZZZZ000015
Power cord, UL
1
10403ZZZZ001451
HDMI2.0 cable, 3M EMI
1
10505T8A7001020
Remote controller, 19 style WOT newline wireless keyboard&mouse
1

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TT-9819NT RSPL:
Part No.
Part Description
Usage
Initial Parts set
10514T9IT020010
Powerboard, 750W MP750SG-5R64 V01
1
10503T9IT000009
Mainboard, XM.H811.G.A0
1
10503T9IT000004
OPS docking board, XF.OPS.M
1
10503T9IT000006
Mic mainboard
1
10503T9IT000007
Microphone board
1
31000T9JT001010
IR&Front keypad board, HHT-WOT-FRONT-KEY V01
1
31000T9IT001010
Rear keypad board, HHT_WOT_98_BACK_KEY_V01
1
31000T8C9003010
USB conversion board, HHT_USB 3.0 CONVERSION BOARD_V01
1
10503T9IT000005
6M60 board, Novatek PS-6M60-C
1
31000T9IT002010
WIFI module, WIFI&BT_7668U_V01
1
Part list for reference
10503T9IT000001
T-CON board, 120HZ LD980DQL-SMA1
1
10500T9IT001010
Speaker, 6Ω 20W 65350
2
10403ZZZZ002411
Inner cable, between Mainboard and 6M60 board, 51P FFC cable 280MM
1
10403ZZZZ002412
Inner cable, between 6M60 board and T-CON board 41P FFC cable 375MM
1
10403ZZZZ002413
Inner cable, between 6M60 board and T-CON board 51P FFC cable 375MM
1
10403ZZZZ002414
Inner cable, power supply, between Powerboard and Mainboard, 1250MM
1
10403ZZZZ002415
Inner cable, power supply, between Powerboard and 6M60 board 1100MM
1
10403ZZZZ002416
Inner cable, power supply, between Mainboard and T-CON board 700MM
1
10403ZZZZ002417
Inner cable, between Manboard and Front keypad board 900MM, and Rear
keypad board 1500MM
1
10403ZZZZ002418
Inner cable, between Mainboard and Microphone board, 1100MM
1
10403ZZZZ002419
Inner cable, USB 3.0 EMI 2100MM
1
10403ZZZZ002420
Inner cable, Speaker cable Left 1800MM Right 1500MM
1
10403ZZZZ002421
Inner cable, power supply, between Powerboard and OPS docking board,
1350MM
1
10403ZZZZ002422
Inner cable, between Mainboard and OPS docking board, 51P FFC cable
520MM
1
10507V16W010010
USB 3.0 cable, A-B 3m
1
10403ZZZZ000015
Power cord, UL
1
10403ZZZZ001451
HDMI2.0 cable, 3M EMI
1
10505T8A7001020
Remote controller, 19 style WOT newline wireless keyboard&mouse
1

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Part C. Six View
TT-8519NT
https://www.dropbox.com/s/myla4rs6qu3xgi8/TT-8519NT%20six%20view.PDF?dl=0
TT-9819NT
https://www.dropbox.com/s/1q63v1a27k5tiqv/TT-9819NT%20six%20view.PDF?dl=0

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Part D. Screen PCBA change instruction
Operation video about how to lay down NT85 & NT98:
https://www.dropbox.com/s/2eajtndrmldxyt6/NT85.avi?dl=0
Operations steps:
1. Take off the screen by the 4 handles and put the screen on a flat & soft table.
2. Lay down the screen to table slowly, make sure no hard touch between screen and table,
because no outer glass on screen, just a soft panel.
3. Change damaged PCBA.
4. Hang on screen according of reverse steps.
Part E. PCBA Overviews
Power board
OPS docking board
AC Plug
IR&Front keypad board
Mainboard
T-CON board
USB conversion board
Mic mainboard
Rear keypad board
WIFI module
Microphone board
Flat & Soft table
Handle

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1. Mainboard wiring
OPS docking board
USB conversion board
6M60 board
T-CON board
Mic mainboard
Powerboard
Speaker
IR&Front
keypad board,
Rear keypad
board
WIFI module
Microphone board

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2. Power board wiring
3. OPS docking board wiring
OPS docking board
Mainboard
AC switch board
OC backlight
Powerboard
Mainboard
6M60 board

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4. AC plug wiring
5. IR&Front keypad board wiring
6. Rear keypad board wiring
Power board
Mainboard
Mainboard

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7. Mic mainboard
8. Microphone board wiring
9. USB conversion board wiring
Microphone
board
Mic mainboard
Mainboard
Mainboard
Mainboard

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10. T-CON board wiring
11. 6M60 board wiring(no this part on NT85)
12. WIFI module wiring
Panel
Panel
Mainboard
6M60 board
6M60 board
COF board
COF board
T-CON board
T-CON board
Mainboard
Mainboard
Mainboard

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Part F. Firmware Upgrade
How to upgrade FW for a blank mainboard.
Step 1: Prepare a USB drive and formatted it with FAT32, copy the “usb_update.bin” file to the
root folder of USB drive, show as following:
Step 2: Plug the USB drive to Rear USB port, turn on screen and press power button
continuously, the firmware upgrade will start automatically.
Step 3: When firmware upgrade finished, the screen will restart automatically.

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How to upgrade FW from factory menu.
Step 1: Prepare a USB drive and formatted it with FAT32, copy the “usb_update.bin” file to the
root folder of USB drive, show as following:
Step 2: Turn on the screen and connect the USB drive to Rear USB port.
Step 3: Make sure side menu close, press UP+UP+DOWN+DOWN+LEFT+RIGHT to enter into
factory menu.
Step 4: Press "MENU" button of remote controller, and open File commander.

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Step 5: Select System Upgrade-----> Upgrade Bin to upgrade FW.
Step 6: When firmware upgrade finished, the screen will restart automatically.

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Part G. Trouble shooting
Below are some true RMA cases from similar model for reference.
Defect symptom
Repair procedure
Defect component
1
No image
Replace mainboard, no success. Replace
power board, problem solved
Power board
2
No image
Replace all PCB modules, no success.
Replace OC, problem solved
OC module
3
No image, backlight OK
Replace T-con
T-CON
4
No image, no backlight, long
turn on
Mainboard
Mainboard
5
No image
Replace mainboard, solved
Mainboard
6
No touch
Fitted 2 sets new sensors
IR PCB SET
7
No touch
Main IR PCB changed
IR mainboard
8
No touch
Ribbon cables reconnected correctly around
corners
Cable
9
No proper touch
Reconnect IR PCB's and replace FFC's with
new ones
Cable
10
Gaps in touch
Fitted new set of IR ( twice)
IR PCB SET
11
No touch
IR FW upgrade
IR firmware
12
No touch
Mainboard
Mainboard
13
Dead areas interactivity
Full set of IR sensors
IR PCB SET
14
No touch externally, android
OK
Mainboard changed
Mainboard
15
Poor touch response
Reconnected IR array ribbon cable (bottom
right)
Ribbon cable
16
No touch on all sources
Swapped mainboard
Mainboard
17
No touch on all sources
Reseated IR array
IR PCB SET
18
Large dead areas for touch
and sluggish
Full set of IR PCBs changed
IR PCB SET
19
Vertical/Horizontal stripe/line
in the image
Replace OC module
OC module
20
Vertical stripes in the image.
Reconnect T-con to OC panel connections and
cleaned LVDS FFC. LVDS cable was sticked to
tighten onto LED panel which causes an
improper connection to T-con.
Clean cable &
reconnect cable
21
Scrambled image
T-con changed
T-CON
22
3 vertical lines of pixels
T-con board
T-CON
23
Picture colors
wrong/pixellated
T-con board
T-CON
24
Bleached image, contrast
functions not responding
Firmware flashed
Firmware

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25
Picture lines
T-con board replaced
T-CON
26
Picture breakup
T-con board replaced
T-CON
27
Thick vertical lines on image.
Replaced T-con
T-CON
28
Single vertical line of pixels
out
Panel issue
OC module
29
No signal on OPS input
Replace OPS docking board, no success.
Replace mainboard, problem solved.
Mainboard
30
Stuck on splash screen
Reloaded firmware
Firmware
31
Dead
Power board changed
Power board
32
Rear HDMI and OPS "no
signal"
Mainboard replaced ( FW not successful)
Mainboard
33
Won’t turn off/won’t turn on
FW reloaded
Firmware
34
Will not turn on.
Mainboard changed
Mainboard
35
Stuck on splash screen, will
not take flash
Changed mainboard at office
Mainboard
36
Not powering up
Mainboard
Mainboard
37
Not load past boot
FW reloaded
Firmware
38
Speakers popping
Speakers replaced
Speaker
39
No sound
Speakers replaced
Speaker
40
No Power
Replaced AC board & power board
AC board & power
board
Thank you for reading!
For more info, please contact the manufacturer or authorized agent.