Service manual

9. CONNECTOR PIN ASSIGNMENT
Service Manual BSM-4100 9.3
CN102 (for Connection board)
Signal Description Signal Name Pin Number Signal Name Signal Description
Touch screen U signal
Touch screen R signal
Touch screen A signal
Touch screen L signal
Touch screen B signal
Touch screen D signal
Touch screen C signal
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
LCD CK + signal
LCD CK – signal
LCD Y2 + signal
LCD Y2
−
signal
LCD Y1 + signal
LCD Y1
−
signal
LCD Y0 + signal
LCD Y0
−
signal
Digital ground
Digital ground
+3.3 V supply voltage
+3.3 V supply voltage
TOUCH_U
TOUCH_R
TOUCH_A
TOUCH_L
TOUCH_B
TOUCH_D
TOUCH_C
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CKOP
CKOM
Y2P
Y2M
Y1P
Y1M
Y0P
Y0M
E2
E2
+3.3V
+3.3V
1B
2B
3B
4B
5B
6B
7B
8B
9B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
21B
22B
23B
24B
25B
26B
27B
28B
29B
30B
1A
2A
3A
4A
5A
6A
7A
8A
9A
10A
11A
12A
13A
14A
15A
16A
17A
18A
19A
20A
21A
22A
23A
24A
25A
26A
27A
28A
29A
30A
TOUCH_U
TOUCH_R
TOUCH_A
TOUCH_L
TOUCH_B
TOUCH_D
TOUCH_C
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
CKOP
CKOM
Y2P
Y2M
Y1P
Y1M
Y0P
Y0M
E2
E2
+3.3V
+3.3V
Touch screen U signal
Touch screen R signal
Touch screen A signal
Touch screen L signal
Touch screen B signal
Touch screen D signal
Touch screen C signal
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
LCD CK + signal
LCD CK – signal
LCD Y2 + signal
LCD Y2
−
signal
LCD Y1 + signal
LCD Y1
−
signal
LCD Y0 + signal
LCD Y0
−
signal
Digital ground
Digital ground
+3.3 V supply voltage
+3.3 V supply voltage