Samsung YP-U4 Service Manual page 32

6-1-1 Pin Connection
1 CON5 3 CON3
LCD CONNECTOR
Pin No. Signal Pin No.
1 VCC
2 VCOMH
3 VDD
4 VBREF
5 IREF
6 WR
7 RESET
8 D/C
9 CE
10 RD
4 CON4
11 D[0]
12 D[1]
Pin No.
13 D[2]
14 D[3]
15 D[4]
16 D[5]
17 D[6]
18 D[7]
19 GND
20 LCD_TP
Samsung Electronics
USB FPCB CONNECTOR
Signal
1 TX
2 RX
3 GND
4 D+
5 D-
6 GND
7 USB5V
8 PBA_CE
TOUCH KEYPAD CONNECTOR
Signal
1 MENU KEY
2 LED2
3 LED3
4 VDD_BATT
5 LED1
6 N.C
7 FF KEY
8 VOLUME -
9 SEL KEY
10 REW KEY
11 VOLUME+
12 N.C
PCB Diagram
6-3