Service manual

alsa apparecchi medicali s.r.l.
alsa code: 801302
EXCELL mod. MCDS
Rev: 4B.2 29/Mar/99
Approval:
Drawn by:
BIS_O95E - R.F. Main Board
Taglio/Spray
Mono/Bip.
+15V
+15V
+15V
PN_1
PN_2
TO
DOUBLE
CONTROL
CTHND1
RFHND1
CGHND1
CTHND2
RFHND2
CGHND2
ENHND1
ENHND2
+15V
GND
INTIIA SDA
SCL
RLAUX1
RLSPRY
RLMNBP
RLBPAB
RLSLFT
RLSLFT
VDC
VSS
ENHND1
ENHND2
+15V
GND
GND
TERM1
RF INPUT
+5V
AUDIC1
AUDIC2
AUDIC3
+15V
VREGTS
RLSLFT
To Double
Handswitch
Control
Board
+5V
-15V
GND
+15V
SDA
GND
INTIIA
GND
+5V
DRVRF2
BIPAUT
VREGTS
BTMHND
TERM1
GND
AUDIC3
AUDIC1
PWRAUD
IRFLMA
GND
+5V
-15V
IRFLMB
AUDIC2
INTIIA
GND
REMLEV
LEDNP
BIPAUT
GND
+15V
LEDNP
INTIIA
CGHND1
RFHND1
CTHND1
CGHND2
RFHND2
CTHND2
PN_1
PN_2
BTMHND
HANDLE &
N/P BOARD
BRD.
SETIME
DRVRF2
VOUTPK
+5V
IRFLMA
IRFLMB
VOUTPK
LOAD
VREG
OUT1
+5V
RFMON
RFBIP1
BPCON2
RFMONB
RFMON2
TO RF POWER
BOARD
RFBIPB
SETIME
GND
PWRAUD
+15V
+5V
REMLEV
VDC
VDC
8s.
10s.
22s.
26s.
26s.
10s.
5s.
VSS
LOAD
+15V
SCL
-15V
-15V
RLFLTR
I_ALIM
I_ALIM
HANDSWITCH
FROM POWER SUPPLY
BOARD
1 8
3
2
6
7
5
4
RL1
1 8
3
2
6
7
5
4
RL2
Q1
1 8
3
2
6
7
5
4
RL3
Q2
Q3
0
G2
0
G3
0
G4
0
G5
0
G6
0
G1
1
5
2
6
12
9T2
R1
R2
R4
R5
R6
R3
D1 D2
D3 D4
INT
13
A0
1
A1
2
SCL
14
SDA
15
A2
3
P0
4
P1
5
P2
6
P3
7
P4
9
P5
10
P6
11
P7
12
U1
PCF8574
C1
C2
C3
C4
C5
C6
J1
J2
1
2 3
4
T3
J3 J4
1
2
3
J7
1
2
3
J8
1
2
3
J9
1
2
3
J10
J11
J12
J13
J14
J15
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
J16
J17
J6J5
D5
R7
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
1 3
2
R27
1 3
2
R28
R29
R30
R31
R32
R33
R34
R36
R37
R38
R40R39
10
9 8 7 6 5 4 3 2
1
R41
2
3
1 5
6
74
U2
D7
D8
D9
1
3
5
2
4
6
7
8
9
10
11
12
13
14
J18
1
3
5
2
4
J19
1
3
5
2
4
J20
1
3
5
2
4
J21
1
3
5
2
4
J22
1
3
5
2
4
J23
1
2
3
J24
1
2
3
J25
1
2
3
4
5
J26
1
3
5
2
4
6
7
8
9
10
11
12
13
14
J27
R35
L1
R42
R43
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
L3
L4
L2
C7
C8
C9
C10
R9
R10
D6
R8
10
1
20
11
13
83
2
4
18
17
19
T1
c1