Samsung HT-C5500 Service Manual page 83

6-2-1 Pin Connection
1 FCN1 2 FCON1
Touch Key Interface Connector Touch Key / VFD / USB Interface
Connector
Pin No. Signal
Pin No.
1 VOL DOWN
1
2 VOL UP
2
3 VOL LED
3
4 GND
4
5 5V
5
6 KEY SDA
6
7 KEY SCL
7
8 LED1
8
9 GND
9
10 5V
10
11 5V
11
12 GND
12
13 KEY
13
14 GND
14
15 PWR ON
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Samsung Electronics
Signal
USP5V
DATA-
DATA+
GND
TOUINT
TOUCLK
TOUDATA
GND
PWR TOUCH
VOL DOWN
REMO
VOL LED
D5V
VOL UP
RED ONOFF
MIC DATA
ST5V
GND
VFD-28V
VFD-
VFD+
GND
VFDCE
VFDDATA
VFDCLK
ASC SEN
GND
ASC
6-2-2 Test Point Wave Form
TP1
PCB Diagram
6-3