Samsung HT-C553 Service Manual page 30

6-6-1 Pin Connection
1 CN1 2 CN2
FROM FRONT (ST) TO DECK
Pin No. Signal Pin No.
1 CDVR 1
2 MPD 2
3 CDLDO 3
4 DGND 4
5 SW 5
6 FOCUS_N 6
7 TRACK_N 7
8 TRACK_P 8
9 FOCUS_P 9
10 B
11 C
12 D
13 A
14 F
15 F
16 RF5.0V
17 MVREF
18 DGND
19 DVDVR
20 NC
21 DVDLDO
22 PUHRF
23 RF5.0V
Samsung Electronics
3 CN9
FROM FRONT FFC
Signal Pin No. Signal
LOADP_DCMOP 1 VP30V
LOADN_DCMON VFD_N27V
2
SLED_N
VFD_N23.5V
3
SLED_P
VFD_CLK
4
INSW
VFD_DO
5
OUTSW
VFD_CE
6
MGND
VFD_GND
7
DCLOAD_P
D5V
8
DCLOAD_N
D5V
9
DGND
10
KEY_SCL
11
KEY_SDA
12
KET_INT
13
N_RESET
14
AUX_L
15
AUX_R
16
4 CN5
FROM SMPS
Pin No. Signal Pin No.
17 DGND 1
ST5V
18 2
TEST
19 3
NC 4
20
REMC 5
21
6
D_P
22
7
D_N
23
8
AUX_SENS
24
9
MIC_SENS
25
10
AGND
26
11
12V
27
12
MIC_MUTE
28
13
BUZZER
29
14
MIC_SIG
30
15
MIC_SIG
31
AGND
32
PCB Diagram
5 ACON1
FROM SMPS
Signal Pin No. Signal
GND 1 16V~32V
32V 2 16V~32V
3.7V 3 16V~32V
4 GND
3.7V
5 GND
P-ON
6 GND
GND
7 16V~32V
GND
12V 8 16V~32V
12V 9 16V~32V
GND 10 REF
GND
5.4V
5.4V
5.4V
5V
6-9