Panasonic Toughbook CF-28 Service Manual page 135

Main 27 VC3,VB3,VC5,VB5,Reset
1
VM1
1
2 DTA144EE
Q37
2
3
3
SUSB# DTC114YE
2
Q35 10k R537
1
3
VM1
1
2 DTA144EE
Q38
3
3
4
SUSC# 2 DTC114YE
Q36
10k R538
1
5
VA5
6
7
8
009:F9;027:A4;028:E1
9
10
SUSB#
003:F10;009:F9;010:D9;021:C7;024:B11;024:F12;027:A2;028:D5;032:B3
VCRST#
001:D10;010:C3;026:D4;027:I3;028:E2;032:H4;033:D5
11
A B
VC3
VA3
Q40
FDS6912A
8 D1 S1 1
7 G1 2
D1
SPCAP
6 S2 3
D2
6.3V
+
5 G2 4 D
D2
C365
Nch-MOSFET
47uF
FAIRCHILD SOP8 EEFCD0J470R
B
VB3
220K R320
R317
560K
C362
0.01u
SPCAP
+ 6.3V
D
C367
47uF
EEFCD0J470R
B
220K R322
R318
560K
C364
0.01u
VB5
R321
R319
VC5
220K
220K
Q39
FDS6912A
8 S1 1
D1
7 G1 2
D1
6 S2 3
D2
5 D2 G2 4
Nch-MOSFET
FAIRCHILD SOP8
SPCAP
SPCAP
6.3V
+ 6.3V
+
B B D
D
C363
C366
47uF
47uF
C360 C361
0.01u 0.01u
EEFCD0J470R
EEFCD0J470R
VB5 VB3
3
2 DTC144EE 2
Q42
1
IC62
SUSC#
2
7
1
TC7W02FU
VC5 VC3
3
3
2 DTC114YE
Q41
2 DTC144EE
Q43
1
1
IC62
6
3
5
TC7W02FU
C D
VC3
470K R323 100 R326
VC5
10V
C371
IC54
1u
PST9140
5 VOUT 4
VCC
2 NC 1
C368 SUB
0.1u
3 GND
Mitsumi
VB3
220K 100
R325
10V
C372
1u
IC55
PST9125
5 VCC VOUT 4
C369 2 NC 1
SUB
0.1u
3
GND
Mitsumi
ERSTSW#
032:F5
VA3
47K R324 100
1608 10V
C373
1u
IC56
PST9125
5 VOUT 4
VCC
C370
2 SUB NC 1
0.1u
3
GND
Mitsumi
3
DTC144EE
Q44
1
IC63
VCC
3
GND
TC7S14FU
IC62
VCT VC1
VCC
4
GND
TC7W02FU
3 3
2 DTC144EE 2 DTC144EE
Q45 Q46
1 1
E F
27
IC113
IC113
3 5 6 2 VCRST#
001:D10;010:C3;026:D4;027:B11;028:E2;032:H4;033:D5
TC7W14FU
TC7W14FU
C376
1000p
R327
IC114
IC114
VBRST#
1 7 6 2
TC7W14FU
TC7W14FU
C377
1000p
R328
IC114
IC113
3 5 1 7 ECRST#
TC7W14FU TC7W14FU
C378
1000p
VA3
VA3
IC114
8
VCC
5 4
GND
TC7W14FU
IC113
8
VCC
8
4
GND
16V
TC7W14FU C375
C374 0.1u
0.1u
G H
005:H8;015:E9;028:E2;036:E9
028:E8;035:D5;035:D8
I J