Acer AcerNote 970 Service Manual page 237

DCIN
16,28
DCIN
C237
0.1uF
PGND
14,16,23,26 VS5_SUSPEND#
C270
0.01uF
PGND
20,22,23,26 P12VR
6,12,22,23,26,28 P3VR
15,16,22,23,26,28,29 BMCVCC
3,6,14,15,16,20,22,23,25,26,28,29 P5VR
P12VR
C180
10uF_35V 10uF_35V
PGND
1
0
U56
1
R323
V
100K
+
5 6 7 8
6 11 2
SHDN- VL D11
S1N4148
14
BST
4
2 C236
SKIP-
R294
0.1uF
16 1 2
1 2 3
DH
10
15
LX
8
CSH
1
SS
3
REF
9
C283
CSL
13 0.33uF_0805
DL
5
SYNC
12
PGND
PGND
MAX797 1 2
R295 5 6 7 8
G R322
F N
0
B D
51K
2 R291 1
1 2 4
7 4
10
PGND
1 2 3
PGND
PGND
R325
1
1
51K
R292
200K
470pF
2
R326
PGND 1
10K
CN19
1 2 P12VR
3 4
5 6 P3VR
7 8
9 10
11 12 SM5_P3VRON
13 14 SM5_P5VRON
15 16
17 18 P5VR
19 20
DC/DC_CON
LEFT
PGND PGND
P3VR P5VR BMCVCC
C214 C179 C207 C178 C182
10uF_35V 10uF_35V 10uF_35V 10uF_35V
PGND PGND PGND
C235
4.7uF_16V
PGND
U47
SI4410DY
R293
L5
1 2
10uH
0.033 OHM
C198
220uF_10V
D12
MBRS140
PGND
1
R324
100K
2
U46
SI4410DY
C234
0.1uF
7
PGND
3
2 6
2
U57
C282 MAX495
4
PGND
2
D21
S1N4148
DX1 DX2
S1N4148 S1N4148
VDCF
16,28
DCIN
16 16 SM5_ICONT
16 28 CHARGFB
28 CHRGOUT
VDCF DCIN CHRGOUT
C278 C277 C255 C238
10uF_35V 10uF_35V 10uF_35V 10uF_35V 10uF_35V
PGND PGND
R347 D23
1 2
CORE_OVPSNS
100
S1N4148
COREVCC
COREVCC
C196
220uF_10V
PGND
PTA_VOLTID3 5
PGND
CN20
1 2 VDCF
3 4
5 6
7 8 DCIN
9 10
11 12 SM5_CHARGON
13 14 CHARGSP
15 16
17 18 CHRGOUT
19 20
DC/DC_CON
RIGHT
PGND PGND
C250 C256
CONFIDENTIAL
10uF_35V
PGND
28
5
28
16
23,28
ACER ADVANCED LABS
Title
PROJECT MARS
Size Document Number
A3 DC/DC CONVERTER