BIOMED SERVICE MANUAL Electrosurgical Generator G400 Workstation
Model 777000
Gyrus ACMI G400 Workstation
SERVICE MANUAL
Page 51 of 57
Part Number: 177079-AA
R29
0V_ OPT O
C40
R30
-7V NON-ISO
5
6
7
U10:B
R31
R33
R34
R35
C41
63V
C42
63V
3
2
1
8
4
U10:A
RV 1
-7V NON-ISO
R38
+5V OPT O
C43
R39
12
9
11
8
10
13
U11:B
4
5
6
U12:B
+5V NON-ISO
1
2
3
U12:A
12
13
11
U12:D
7
6
5
1
2
3
4
8
U13
R40
C44
C45
R41
C46
C47
R42
-7V NON-IS O
R43
PSU 0V
2
3
1
8
4
7
5
6
U14
R44
C48
R45
R46
C49
+5V NON-ISO
R48
C50
PSU 0V
1
8
7
6
5
2
4
3
U15
R50
+5V NON-ISO
PSU 0V
+5V OPT O
R52
0V_ OPT O
PSU DRIVE 50KHz
P OW ER S IG F/BK
200V - 370V HT
R53
+5V NON-ISO
+5V NON-IS O
-7V NON-ISO
C51
C52
OV ERVOLT S
FROM U2 (PAGE 1)
T O U17 (PAGE 3)
FROM T 4 (PAGE 3)
R32
V CC
+5V NON-ISO
PSU 0V
GND
PIN14 (U 11 &U12) = +5V NON-ISO
PIN7 (U11 &U 12) = PSU 0V
Q2
R51
D31
4
7
3
1
8
2
6
5
U19
C54
OVERDOSE F/BK
FROM T 5 (PAGE3)
P SU 0V
C67
1
2
3
4
5
6
7
8
CON6
D34
8
7
6
1
2
3
5
4
OPT2
PS U 0V
8
7
6
1
2
3
5
4
OPT3
8
7
6
1
2
3
5
4
OPT4
R47
R5
3
2
1
8
4
U16:A
5
6
7
U16:B
R57
R61
C55
63V
C74
63V
R78
+5V NON-IS O
R79
C56
63V
+5V NON-ISO
1
2
J1
R37
-7V NON-IS O
RV3
R80
R81
D37
T EST OVE RDOSE
R36
C65
63V
S ET POW E R
S
E
T
O
V
E
R
D
O
S
E
R85
+5V OPT O
0V_ OPT O
2/3
Gyrus
T IT LE:
DW G BY:
DAT E:
PA GE:
SUPER PULSE PSU BOARD
RE V:
DW G NO.
CHECKED:
DAT E:
PART-2