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For Reference Only
mA GENERATION & REGULATION
3/7/97
MA.DS4
TROUBLESHOOTING CHARTS
COMPACT / SERIES 7600
UH - APROXEMENT FILAMENT VOLTAGE
MODE
Fluoro Standby (Pre-heat)
Fluoro Exposure
Fluoro Exposure
Snapshot
Snapshot
Hip
Hip
Film Mode Prep
Press hand switch quickly (less than 1 second)
2 Second Film Exposure
2 Second Film Exposure
kV
76
36
110
36
110
36
110
76
36
80
mA
0.2
3.0
8.0
8.0
0.2
5.0 - 6.0
20.0
20.0
UH FILAMENT VOLTAGE **
Filter Pcb XP1-3 or B143 Pcb X3-4
9.8vdc - 10.2vdc
10.2vdc - 10.6vdc
11.8v - 12.2vdc
14.0vdc - 15.5vdc
12.5vdc - 13.4vdc
10.2vdc - 10.6vdc
11.2vdc - 11.5vdc
14.9vdc - 15.5 vdc
16vdc than dropping to 14.3vdc - 14.8vdc
16vdc than dropping to 13.8vdc - 14.3vdc
** UH Filament Voltage Note **
>21vdc = Xray is disabled (B143 Pcb)
Fault Indicator Off
10vdc - 20vdc = good range
6vdc - 9.9vdc = low mA, Fault Indicator Off
<5vdc = No mA, Fault Indicator illuminated
(See Interface Signals Diagram
for Fault Indicator)
Chart 1
B143 Pcb TROUBLESHOOTING CHART
Approximate voltages
MODE
76kV Idol Fluoro (No exposure)
36kV Standard Fluoro Exposure
60kV Standard Fluoro Exposure
85kV Standard Fluoro Exposure
mA
0.0
0.2
1.7
3.0
MAIST
+0.44vdc
+0.25vdc
-1.1vdc
-2.4vdc
Offset
0.0vdc
-.103vdc
-.86vdc
-1.5vdc
Filament Regulator Control
+1.5vdc
+0.15
+0.94vdc
+1.58vdc
Chart 2
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.