48
ORTHOPANTOMOGAPH
OP
2D
3. Circuit Boards - L1800
L1800 - Indicator lights
LED
Colour Indicates
H1
green
+380V
(capacitors
charged)
H2
green
+15V
H3
yellow
Exposure
H4
red
Tube
fail
H5
yellow
Preheat
H6
green
+15V_HVGND
L1800 - Test Points
Number Signal Value
TP1
+27V5
TP2
+5V
FILTERED
MAPWM
TP3
GND
0V
TP4
+15V
TP5
- NOT
USED
TP6
- NOT
USED
TP7
HVGND
0V
TP8
+17V
TP9
VDD
+15V_HVGND
TP10
- FILTERED
KVPWM
TP11
mAref
Calibrated
by
the
CPU
TP12
kVref
Counted
from
value
1V=22kV
TP13
- NOT
USED
TP14
kVfb
Counted
from
value
1V=22kV
TP15
EXPENA
on to enable off to disable
TP16
MAFB_INT
0.2V=1mA
TP17
GND
0V
TP18
mAfb
0.2V=1mA
TP19
Tubeheat
TP20
-
J2 closed=25V (default); J2 open=20.7V
TP21
- NOT
USED
TP22
HVGND
Mains voltage side, ground
TP23
HV310 +380V
(HVGND)
Summary of Contents for ORTHOPANTOMOGAPH OP 2D
Page 2: ......
Page 4: ...IV ORTHOPANTOMOGAPH OP 2D Contents...
Page 24: ...14 ORTHOPANTOMOGAPH OP 2D 2 Unit Description 2 3 Unit dimensions...
Page 32: ...22 ORTHOPANTOMOGAPH OP 2D 2 Unit Description...
Page 33: ...2 Unit Description ORTHOPANTOMOGAPH OP 2D 23 2 6 Block diagram...
Page 34: ...24 ORTHOPANTOMOGAPH OP 2D 2 Unit Description 2 7 Fuse diagram...
Page 38: ...28 ORTHOPANTOMOGAPH OP 2D 2 Unit Description...
Page 43: ...3 Circuit Boards L1200 ORTHOPANTOMOGAPH OP 2D 33 L1200 Block Diagram...
Page 46: ...36 ORTHOPANTOMOGAPH OP 2D 3 Circuit Boards L1500 L1500 Block diagram...
Page 50: ...40 ORTHOPANTOMOGAPH OP 2D 3 Circuit Board L1600 L1600 Block diagram...
Page 54: ...44 ORTHOPANTOMOGAPH OP 2D 3 Circuit Boards L1700 L1700 Block Diagram...
Page 57: ...3 Circuit Boards L1800 ORTHOPANTOMOGAPH OP 2D 47 L1800 Block diagram...
Page 61: ...3 Circuit Boards P1910 ORTHOPANTOMOGAPH OP 2D 51 P1910 Block diagram...