TCL Air Conditioner Service Manual
8
3.2 PCB LAOUT
（
Only for reference
）
Indoor unit
Indoor PCB
7k, 9K, 12K, 18K
A010268
24K
A010270
1 ODU AC power output
2 Fuse
3 Transformer out
4 IDU AC power input
5 AC motor driver
6
IDU/ODU wiring
connection-N connector
7 Power supply-N connector
8 Anion connector
9
IDU/ODU communication
wiring
10 Up-Down swing connector
11 Left-Right swing connector
12 Display
13 Emergency button
14 AC Motor feedback
15
Temperature sensor
connector
16 WIFI connector
1
2
3
4
5
6 7
8
9 10
11
12
13
14
15
16
1
ODU AC power output
2
Fuse
3
ODU AC power input
4
DC fan motor connection
5
IDU/ODU wiring connection --N
connector
6
Power supply --N connector
7
Anion connector
8
IDU/ODU communication wiring
9
Left-Right swing connector
10
Up-Down swing connector
11
Display
12
Emergency button
13
Temperature sensor connection
14
WIFI connection
1
2
3
4
5 6
7
8
9
10 11
12
13
14