Ethicon Generator G11 - Page 41


Generator G11 Service Manual
 
Schematic - Power Input and Buck Regulator
HEATSINK FANCONNECTOR
CHASSIS GND
POWER
SUPPLY IOCONNECTOR
BUCK FET HEATSINK
MAIN POWERINPUT &BUCKREGULATOR
WIRE LOOPTESTPOINTS
48VDC INPUT
ENCLOSURE
FANCONNECTOR
R777
R42
R875 R776 R771
R778
R772
R770
R876
1
2
6
Q36
4
5
3
Q34
42
3
1
L7
R780R774
4
5
3
Q35
C138 C137
1
2
6
Q35
4
5
3
Q36
R781
R779
J27
R773
R775
1
2
6
Q34
1
2
6
Q33
4
5
3
Q33
C45
J8
J6
R22
R37
5 8
6
4
3
U6
U12
C46
R40
R41
TP7
TP10
TP6
TP9
TP21
TP12
TP11
J4
C115
C114
J21
C164
C160
C21
1
4 2
L4
4
32
1
L5
C144
C179C180
C44C42
C142
4
32
1
L1
1
23
U5
R38
R39
5 8
7
2
1
U6
C24
F1
F2
C65C72
C59
C74
C162
C161
R372
R377
R48R45
C56C58
C73
1
43
2
T2
C57
D3
9
1
6
5
10
8
4
3
7
2
1G
U79
3
1
2
Q1
3
1
2
Q3
7C1<
HFAN_TACH
LGND
HFAN_S0
0.1W
0.125W
1%
2N7002DW
13.7K
1%
100V
14.3K
0.1W
1%
LGND
HFAN_S1
2N7002D
W
LGND
LGND
EFAN_S1
2N7002DW
20.0K
0.125W
1%
1%
0.125W
10.0K
10.0K
0.125W
1%
LGND
EFAN_S0
2N7002DW
84.5K
LGND
0.1UF
100V
LGND
10.0K
1%
ADR510
LGND
3.3V
3.3V
10.0K
1%
0.1W
LGND
BUCK_VSW
BUCK_ILI
M
0477002.MXP
2A
0477008.MXP
8A
780603B02000G
48V
ACM12V-701-2PL
35V
CONN_6
12V
100V
LGND
10UF
3.3V
1%
2N7002DW
0.1W
10.0K
LGND LGND
2N7002DW
LGNDLGND
48_FILT
10UF
CONN_5
10UF
100V
ISL2111
0.1UF
35V
0.1UF
ACM12V-701-2PL
100V
0.1W
LGND
0_OHM
2.5A
LGND
0.1W
10.0K
LGND
16V
LGND
TLV3502
16V
10UF
LGND
LGND
10UF
LGND
100V
1%
BUCK_VSW
VCT
VCT
BUCK_PWM_LO
BUCK_PWM_HI
BUCK_ILIM
LGND
100V
10UF
LGNDLGNDLGND
LGND
10UF
100V100V
LGNDLGND
LGND
LGND
100V
CMT2-.8-15L
LGND
LGND
25V
0_OHM
0.125W
LGND
LGND
LGND
LGND
2
.5A
1%
1W
0.0200
1%
1W
0.0200
LGND
CONN_1
10.0K
100V
LGND
10UF
100V
LGND
100V100V
680UF
100V
0.1UF
0.1UF
0.1UF0.1UF
0.1UF
0.1UF
35
V
0.1UF
LGND
MBRM2H100T3
LGND
FDP20AN06A0
BUCK_PWM_HI
100V
1%
1%
12V
10.0K
1%
0.1W
LGND
12V
CONN_5
10.0K
1%
0.1W
1%
LGND
0.1UF
47UH
10UF
LGND
FDP20AN06A0
60067-00$0A
LGND
10.0K
1%
0.1W
LGND
LGND
0.1W
LGND
680UF
100V
LGND
0.1UF
LGND
TLV3502
BUCK_PWM_LO
3.3V
0.1W
48_AMP
48_AMP
5VSTBY
0.1UF
16V
LGND
LGND
LGND
INHIBIT
7B1>
7B1>
7B1>
7C1>
8B8<
11C4<
8B8>
7C1<
8B8>
5D3>
0.125W
3.3V
0.1UF
0.1W
1%
10.0K
10.0K
100V
EFAN_TACH
2N7002DW
1%
10.0K
0.1W
10.0K
3.3V
2N7002DW
0.125W
10.0K
0.125W
1%
33.2K
0.125W
1%
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
1
1
1
6
2
1
3
4
5
+
4
3
1
2
5
6
7
8
MH1
MH2
NC
TRIM/NC
COMP
+
-
OUT
V-
V+
VSS
THERMPAD
NC-5
NC-6
HB
HS
HO
LOLI
VDD
HI
+
NC-2 NC-4
5
4
2
3
1
5
4
2
3
1
1
COMP
+
-
OUT
V-
V+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
1
1
1