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4
5
ABCDEFG
Siemens AG SPB7-250.844.01 Page 1 of 1 Mammomat
Novation
DR
Medical Solutions Rev. 03 08.04 CS SD 24 Wiring Diagrams
X041E 5-6
X721
5
6
15
16
1
2
Fil_curr_act_p
MA_overcurr_p
MA_act_p
TP
0VA
TP
MA_READ
TP
FIL_CURR_READ
K1 K2
Sel_Mo_anode_p*Sel_large_focus_p*
= active low
*
Logic
circuit
Fil_curr_set
MA_set
MA_act
X720
5
6
39
40
42
X721
41
Sel_Mo_anode_p*
Sel_large_focus_p*
MA_sens_ret
MA_sense
11
12
38
MA_set_p
MA_set_n
37
MA_regul_on_p
10
9
Fil_curr_set_p
36
35
X721
Fil_curr_on
+15VA
385VDC_ret
0V_prim
+15V_prim
UCC3804
N201
385VDC
V204
T201
L201 L202 L203
+
+
Current limit
Voltage limit
7
4
6
5
2
3
1
26
25
X721
GND
Large_focus_Mo
Large_focus_W
Small_focus_Mo
Small_focus_W
BL
Generator
door
BN
WH
GY
BU
YE
PK
Bias_voltage
X726
h2W
h3
h1W
h2M
h1M
G
Bias_volt_detected_p
det.
logic
0V_sec
28V_sec
+
PWM
IC
Bias_W
R111 R109
on
off
on
off
Bias_Mo
Inv
Sel_Mo_anode_p
V_Bias
V_Bias_ret
Fil_curr_act
Filament converter
Filament focusing converter
GENERATOR - TUBE POWER SUPPLY:
PRINCIPLE DIAGRAM
TUBE FILAMENT AND FOCUS SELECTION