BIOMED SERVICE MANUAL Electrosurgical Generator G400 Workstation
Model 777000
Gyrus ACMI G400 Workstation
SERVICE MANUAL
Page 35 of 57
Part Number: 177079-AA
RF+_IN-ISO
R
F
-_
IN
-I
S
O
RF_0V
R1
5V_ISO
R4
R5
RF_0V
5V_ISO
RF_0V
R8
R9
C2
C3
C4
C5
RF_0V
5V_ISO
RF_0V
R10
C6
1000V
C7
1000V
-5V_ISO
1
2
3
4
8
7
6
5
U10
12V_ISO
RF_0V
D2
D3
C11
2KV
D4
R15
RF_0V
R17
R19
RF_0V
5V_ISO
C13
1K6V
R22
C16
RF_0V
5V _ISO
RF_0V
-5V_IS O
12V_ISO
RF_0V
5V_ISO
RF_0V
RF_0V
5V_ISO
R28
2W
RF_0V
RF_0V
CURRLIM_SET
C22
5V_ISO
RF_0V
D8
RF_0V
C26
C27
C28
C29
1K6V
Q3
1
6
7
12
TR1
From PSU Board
1
2
3
4
5
6
CON2
CLAMP_SET
BOOST _SET
CUT _OVER_V
COAG_OVER_V
VBACK
OVERCURRENT
SYNC_GAT ED
BUSLIM
12V_ISO
-5V_ISO
RF_0V
RF_IN+
RF_IN+
RF_IN+
RF_IN+
RF_IN+
5V_ISO
RF_0V
5V_ISO
RF_0V
RF_0V
RF_ENERGY
SYNC_GAT ED
COAG_CUT
5V_ISO
RF_0V
CURRLIM
DC_UNDER_V
SYNCIN
5V_IS O
CUT _OVER_V
COAG_OVER_V
VBACK
OVERCURRENT
BUSLIM
VOLT L IM
RF_DET
RF_0V
5V_ISO
RF_V1
5V_IS O
-5V_ISO
12V_ISO
-5V_ISO
VCC
5V_ISO
RF_0V
GND
P
E
A
K
_
SE
T
FS_BLUE
FS_YELLOW
R6
R7
C1
D1
R3
R2
4
5
12
1
1
6
3
U1:A
9
10
7
8
U1:B
R20
R16
C12
R18
Q2
R30
C23
R31
R32
R33
Q1
C9
4
5
12
1
1
6
3
U2:A
R11
R14
C10
C30
D10
D9
D12
D11
R13
C8
5%
D13
R29
C21
C19
D7
4
5
12
1
1
6
3
U3:A
R27
R24
C17
4
5
12
1
1
6
3
U4:A
R23
R26
C18
9
10
7
8
U4:B
R25
R65
R41
C36
R42
Q4
Q6
Q5
R43
C67
R47
R44
R46
R45
C37
R48
13
12
11
U7:D
R49
1
2
13
12
U8:A
3
4
5
6
U8:B
9
10
11
8
U8:C
R37
C34
14
15
1
2
3
13
4
U9:A
R39
6
7
9
10
11
5
12
U9:B
C35
R38
6
7
9
10
11
5
12
U5:B
R35
C32
R52
5V_ISO
1
2
3
U7:A
C33
R36
10
9
8
U7:C
4
5
6
U7:B
14
15
1
2
3
13
4
U5:A
10
11
U6:E
8
9
U6:F
4
3
U6:B
6
5
U6:C
12
13
U6:D
2
1
U6:A
RF_V1
RF_I
P
E
A
K
_
SE
T
CURRLIM_SET
CLAMP_SET
BOOST _SET
RV3
RV 1
RV 2
D5
D6
RF_0V
R111
RF_V
13
12
11
U15:D
C14
1.6KV
C31
10
0T
4T
8
1
4
5
TR2
10
T
1T
1
8
5
4
TR3
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
TP25
TP27
TP28
TP29
TP30
TP31
TP32
TP33
TP34
TP35
TP36
TP37
TP38
TP39
5V_ISO
TP40
TP41
TP42
TP43
TP44
TP56
TP57
C24
250V
C25
250V
DC_UNDER_V
SYNCOUT
T HERMIONIC
R34
C95
C96
C97
C98
8T
20T
2
3
1
18
19
20
10
11
9
12
TR5
L1
C99
R12
C20
1
2
CON1
1/3
Gyrus
T IT LE:
DW G BY:
DAT E:
PAGE:
PK-SP RF Board G400
REV:
DW G NO.
CHECKED:
DAT E: