30
ORTHOPANTOMOGAPH
OP
2D
3. Circuit Boards - L900
L900 - Field replaceable parts
None
L900 - Description
L900 is a display adapter/interface board that controls
the display (touch screen interface). L900 reads touch
screen data and sends it to L1200 CPU board via the
SPI interface. L1200 CPU board drives the display data
throught the L900 board.
L900 board produces supply vo3.3V for the
display and +15.8V for the display backlight.
L900 - Indicator LEDs
LED
Colour Indicates
H1
green
3.3V
OK
H2
green
+15.8V
OK
H3
green
+5V
OK
L900 - Test Points
None
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...