Samsung SENS R55 Service Manual page 170

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
Vton = GND
5V / 3.3V : 400KHz / 500KHz
C
P3.3V_AUX
(4.5A)
EC517
150uF
6V
AL
18mohm
B
VDC P12V_ALWS
R297
30.1K
1%
ZD1
3
BZX84C12L
1 Q40
MMBT3904
A
2
C370
C393
1nF
10000nF
50V
25V
nostuff
4
3
P3.3V_AUX & P5V_AUX
VDC
EC30 C368
C367
68uF
4.7nF
100nF
25V
25V
25V
AL
nostuff
Q530
RHU002N06
G
PWRON*
1
AGND_P3.3V
8 D1
L12
G1
3.7uH 5
nostuff nostuff
6 1
7
919AS-3R7M
R931
C907
200K Q42
G2
100nF
1% IRF7904
4
10V
3 2
R929
200K
1%
MICOM_P3V
3
2
P5V_ALWS
P5V_ALWS
R937
1%
49.9
C879 C880
R963
C380
1000nF 100nF C391
100K
4700nF
6.3V
1% 10V 1000nF
6.3V
6.3V
BAT54A
AGND_P3.3V
D528 3
2 1
3
D
U23
MAX1999EEI+T
5 18
S
2
ILIM3 ILIM3 LDO5
47-B2 17 20 R928 3.3
C357 VCC V+
11 14
100nF ILIM5 ILIM5 BST5
47-B2 28 16
BST3 DH5
R251 3.3 26 15
25V
DH3 LX5
27 19
LX3 DL5
13 21
TON OUT5
24 9
DL3 FB5
22 6
OUT3 SHDN*
7 4
FB3 ON5
2 3
PGOOD ON3
12 23
SKIP* GND
R284 0 10 8
R930 PRO* REF
25 1
0 LDO3 NC
R932
INSTPAR
AGND_P3.3V MICOM_P3V
AGND_P3.3V
C900 C356
4700nF 1000nF
6.3V
25V
AGND_P3.3V
R252
100K
1%
R290 R285
150K 100K
1% 1%
47-C3
ILIM3
47-C3
ILIM5
R291 R286
200K 150K
1% 1%
AGND_P3.3V
2
VDC
R266
5.1
5%
3216
C388 C389 C897
4.7nF 100nF 10000nF
25V 25V
25V
C899
C903
10000nF
nostuff
100nF
25V
25V
R952
10K
1%
C898 5 6 7 8
D1 D2 D3 D4
100nF
25V
Q37
FDS6680A
G
4
S1 S2 S3 L11
1 2 3
3.7uH
nostuff nostuff
5 6 7 8
919AS-3R7M
D1 D2 D3 D4
R287
Q525
200K
1%
R288 FDS6680A
G
0 4
S1 S2 S3
1 2 3
R289
200K
1%
Q36
3
D
BSS84
Q524
RHU002N06
G
1
R294
2 S R966
10K
1%
AGND_P3.3V
R249
0
53-B4 49-B2 41-B3
KBC3_SUSPWRON
R967
R250
300K
1%
AGND_P3.3V
1
D
C
(5.5A)
P5V_AUX
EC24
C353
150uF
100nF
6V
AL
10V
18mohm
P3.3V_AUX
B
4.7K
0 41-B3 11-C2
THERM_STP*
A
SAMSUNG
ELECTRONICS
1