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LINE
LINE_IN
W2
C3
W1
220P
250V
E
C2
TH
4700P
T1
250V
TH
E
E3490A
NEUTRAL
TH
W3
R1
390K
C1
1/2W
220P
TH
250V
TH
NEUT_IN
R2
Power Entry
100M
1/4W
TH
DT1
600V TH
E
MAIN_DC
I5
C11
0.1U
R22
10.0K
U1
+
I6
LM358
R20
U3
5
8
+
1
1
10.0K
7
VIN
3
3
2
2
6
-
GND
VOUT
4
-
LM35D
TH
C10
0.1U
R25
10.0M
T2
F1
1
1
15
15
FAC+
SW1
115V
1 1
2ASB
TH
230V
3
3
2
2
3
3
13
13
6
6
6
6
12
12
4
4
5
5
F2
8
8
10
10
FAC-
EPS2PC3
TH
OB24-9
2ASB TH
AC-
TH
C8
0.01U
ESD Protection
Battery Charge
C4
100P
R9
TP1
R11
1.00K
10.0K
U1
+
R8
LM358
1.00K
2
8
-
R21
1
73.2K
R12
3
+
10.0K
VREF
4
-
I2
I3
8
8
FAN_CTRL
U2
LM385S
4
4
I12
I1
R7
CR6
154K
3
3
1
1
1N914S
I7
R6
100K
AC+
HIGH CURRENT VIAS
BR1
MAIN_DC
2
2
GBU8B
I10
I11
C6
TH
0.01U
4
4
1
1
1.00K
+
C7
R5
3
3
C5
CR5
0.1U
15000U
1.00K
22V
1/2W
35V
SMCJ22C
TH
TH
R24
49.9
1/4W
TH
R10
1.50
1/2W
TH
CHG_IN
Q3
I4
MPSA56
R13
2
2
10.0K
1
1
3
3
3
3
Q2
IRF9510
R16
1
1
10.0K
TH
2
2
4
I8
3
3
Q6
1
1
2N7002S
Requires Heat Sink
R3
2
2
Nellcor # 891196
CR7
10.0K
R14
1
1
3
3
10.0K
CR4
I9
1N914S
MBRS330T3
CHG_OUT
R15
3
3
49.9K
BATT_CHK
Q4
2
2
2N3904
TH
1
1
R17
10.0K
Q1
TH
Fan Control
2N3904
Q5
MPSA56
R19
R4
CR2
499
22V
CR1
SMCJ22C
1N4702
15V
TH
R23
10.0K
TH
FAN_CTRL
35V
100U
+
C9
Main Board
BATT_CHK
W7
MAIN_DC
W9
BATT_OUT
W6
W8
GND
TP2
SW2
MTS50B
TH
F3
BATT+
Battery +
W4
NC
2ASB
TH
Battery -
W5
Linear Power Supply Schematic Diagram
J1
2
2
To Fan
1
1
CON_2L
Figure 43
161
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