Step-By-Step Guide; Auto Random Restart - Acson ART 55 A Technical Manual

b) Step-by-step guide
i) First, open up the casing of the LCD remote controller into its top and bottom
case using a screwdriver. To do this, insert the screwdriver into the lower slot and slide it in the
outward direction.
ii) Fix the bottom case onto the wall with the 2 wooden screws provided. Then, insert the 4 connecting
wires (from the main board) through the slot on the lower right.
iii) Connect one end in each of the 4 wires to the terminal block behind the top case as shown below.
The wire that goes into the "GND" terminal at the top case must be connected at the other end to
the "GND" terminal at the main board. The same goes for the "+5V", "B" and "A" connection.
iv) Fasten back the top and bottom case into place. Hook the two upper claws into their respective
slots and snap the lower part shut.
Lower slot
for opening LCD
casing
Connection behind

5) Auto Random Restart

When power is resumed, the unit will automatically restart and operate at the previous setting as before
power failure occurred. (Remove jumper at JH/JP1 to cancel the auto random restart function. Please
refer to wiring diagram for the location of JH/JP1 Jumper).
GND
2 x Wooden
+5V
screw
B
A
top case
LCD Remote
(Top case)
LCD Remote
(Bottom case)
24
GND
+5V
B
A
Connection at
main board
Connection
wires