OEC COMPACT 7600 Series - mA - Mono Block Generator, p. 3, 3;97

Page 3 of 4
For Reference Only
mA GENERATION & REGULATION
3/7/97
MA.DS4
MONO BLOCK GENERATOR
COMPACT / SERIES 7600
FILTER BOARD
FILAMENT VOLTAGE
From page 2
A
MAIST
C
Actual mA Sense
To page 1
X1
3
XP1
3
X3
5
XP3
5
B45 BOARD
X2
5
X1
20A
MAIST
X1
20A
B43 BOARD
FILAMENT
PRE-DRIVE
LOGIC
T6, T7,
U4, U6,
U7,U9
mA DETECT
LOGIC
* Exposure limited
to 5 seconds
If > 8mA
* Exposure disabled
if > 30mA
X1
MAIST
MAIST
4A
FILAMENT
DRIVE
TRANSISTORS
T1 - T4
FILAMENT
CURRENT
DETECT
LARGE
Filament
Drive
SMALL
Filament
Drive
X1
10C
11A
12C
13A
10C
10A
11C
11A
XP1
2
UH
FILAMENT VOLTAGE
From page 2
UH
X3
B40 BOARD
TUBE / TANK ASSEMBLY
X3
mA SENSE
SMALL
FILAMENT
LARGE
FILAMENT
1
mA JUMPER
Pull this jumper and place a
current meter (DVM) in series
to measure actual mA
1
11
5
67 8
5
67 8
4
4
14
13
11
I
-QMA05
To page 1
.
Temperature > 62 degrees C
7
7
7A
>62 Degree C
Temp Sense
U1
K10
TEMP
SENSE
-0.5MA
X0
2
7
3A
(See page 4, chart 1 for voltages)
U
* Limits fluoro
to 0.5mA
* Disables film
mode exposure
GERR Sense U2
* Disables Xray if temp
is >72 degrees C
* Disables Xray if
filament current is low
K
K
Prevents exposure
when filament is low
Filament Current
Sense
Filament
Current
Sense
7
14
-GERR
See
Interface
Diagram
2
3
6
NOTES:
Used and Refurbished C-Arms are Available from www.SharpMedical.com - Call us at 800-969-9800
An Independent C-Arm Service Provider. This PDF provided for research / historical purposes only.