Samsung HT-BD1255 - Page 94

6-4 Samsung Electronics
PCB Diagram
6-2-2 Test Point Wave Form
TP4
1 FCON1
VFD & Function Key Control Signal
Pin No. Signal
1 UART_BT_RX
2 UART_BT_TX
3 MIC_SENSE
4 VFD_FU_CLK
5 VFD_FU_DATA
6 VFD_CE
7 GND
8 SMPS_VFD(+4.6V)
9 VFD 4.6V(-)
10 SMPS_VFD -34V
11 GND
12 AL 5.4V
13 MIC_DATA
14 POWER_LED
15
16 MIC_CLK
17 POWER_TOUCH_1KEY
18
19 BTRST
20 BUZZER
21 GND
22 VOL_DOWN
23 VOL_UP
24 TC_SDA
25 TOUCH_CLK
26 TOUCHRST
27 TOUCH_INT
28 GND
2 IC1
VFD Control Signal
Pin No. Signal Pin No. Signal
1 F-_1 24 p14
2 F-_2 25 p15
3 26
4 27 p16
5 p1 28 p17
6 p2 29
7 30 p18
8 p3 31 p19
9 p4 32
10 33 9G
11 p5 34 8G
12 p6 35 7G
13 p7 36 6G
14 p8 37 5G
15 38 4G
16 p9 39 3G
17 p10 40 2G
18 41 1G
19 p11 42
20 p12 43
21 44 F+_44
22 p13 45 F+_45
23
6-2-1 Pin Connection