Panasonic Toughbook CF-28 Service Manual page 139

Main 31 Charger BAT CN
1
DC15
2
25V C412
D25
2
0.1u
A
AC15 3
C
1
A
3 RB715F
VA3
R383
4
5.6K
ACIN#
028:B8;028:I5;031:E8
D24
3
UDZ9.1B UDZ18B
DTC144EE 2 2 1
Q54
1
5
R387
5.6K
6
ACON#
028:E4
7
8
028:E4;031:E8
DCIN
9
JK3
HEC3900-01-010
F4 6.3A
1 1 2 1
2
R451_06.3
25V 25V
3
C411 C413
NU 0.1u
Hosiden
10
11
A B
D26
RB081L-20
2 1
R385
3.3
C416
Q58
2125 1u SI4435DY
16V
1 D 8
S
D27
2 D 7
RB081L-20 S
2 1 3 D 6
S
4 D 5
G
Pch-MOSFET
R388 SOP8 TEMIC
100K
25V C417
R389
0.1u
100K
DTA144EE 1
Q56
2
3
D28
3
1 2 2 DTC114YE
Q55
1
R386
2125
2.2K
ACVOK
030:E5
4 6
1 3 1
2
D29
MA729
47k+47k
UMG2N
2
C414
Q57
100p
R390
R470
100k
100k
3
R391
NU
DTC144EE
2
3 Q74
CHGON 2 DTC114YE 1
Q73
1
028:E4;031:C7
028:B8;028:I5;031:A3
AC15
2
BLM41P600S
L55 25V
C415
0.1u
C D
47m 5%
R392
1/4W
B
16V
2125
3225
47m 5%
C418
10u
R393
1/4W
2125
5%
NU
R394
1/4W
2125
L56
2
CDRH124-330MC
2125
D32
C423
1u
3
A
DAP202U
2
C
1
C
DAP202U
BOOST = 8.9V
R396
4.7
1 BOOST
2 TGATE
3
SW
4
SYNC
5
SHDN#
6
AGND
6.7V
7 UV
8
INFET
470 R395 9
CLP
1u
C421 10
CLN
CHGON 2.2K R398
11
COMP1
3
ACIN# 2 DTC114YE
12
CAP
Q72
NU R397
1
1K
13 FLAG#
R399
0
14
4.1V
C419 C420 C422
0.33u 0.33u 1u
E F G
31
VMBATT
33m 5%
1
R406
1/4W
B B
16V 16V
2125
3225 3225
2 C431 C432
10u 10u
C
1
C
D31
3
A
R403
PGND 28
0
BGATE 27
VG=8.6V
GBIAS 26
BOOSTC 25 3216 4.7u
C428
Vcc 24
C426
0.1u
BAT 23 200 R402
0.5%
SPIN 22
13.42 13.67
SENSE 21 200 R401
0.5%
R407
BAT2 20 NU R530
0
PROG 19
C429
C430
100p
R408
Vc 18 4.7u
150K
3216 0.5%
VFB 17
VREF=2.465V
C425
R409
R400 R404
3CELL 16
NU
33K
3.3K 270
B
0.5%
4.2V 15
C424 C427 R405
0.33u 1u 4.99K
0.5%
3
CHGPWM
DTC114YE 2
028:E5
Q60
1
H I
CHARGE
B B
16V 16V
3225 3225
C529 C530
10u 10u
13.92V
1%
J