27
KL II
Series User Manual
6
PRODUCT MAINTENANCE
6.1 Service tools
NO.
Name
Function
Picture
1
front
maintenace
tool
dismantle and install LED
modules
2
PH2
screwdriver
dismantle and install the
power supply unit,receiving
card, HUB board
3
multimeter
Measure the voltage
6.2 Module maintenance
KL II series modules can be quickly removed with a vacuum suction tool. Attach the front maintenance
tool to the surface of the faulty module to be taken out, press the switch and wait for 5 seconds, and
then take out the module.
Step
❶confirm the location of the
faulty module, and place the
front maintenance tool in the
middle of the faulty module
❷
Press the switch and wait for 5
seconds, then pull out the module
slightly, and remove the power
cord and ribbon cable of the
module.
❸ Gently install the spare
module on the screen in the
upward direction.
