Chapter 3 Page no. 288
Indicators and Switches.fm
GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Central Listing
4-2. Stepper Board
LED Function Color Behavior
DS1 48 V Green ON when the 48 V DC supply voltage is OK
OFF when the 48 V DC supply voltage is defective
DS2 3,3 VA Green ON when the 3.3 VA analog supply voltage is OK
OFF when the 3.3 VA analog supply voltage is defective
DS3 Synchro Grid Yellow
DS4 Not Used Yellow N/A
DS5 5 V Green ON when the 5 V supply voltage is OK
OFF when the 5 V supply voltage is defective
DS6 RT1 Valid Line Yellow ON when the valid line is active (movement is enabled)
OFF when the valid line is inactive (movement is not
enabled)
DS7 Compression Brake Actived
(does not exist for tilt board)
Green ON when the rotation brake is inactive (rotation move-
ment is enabled)
OFF when the rotation brake is active (rotation move-
ment is not enabled)
DS8 RX-CAN Yellow ON when CAN data (or command) received.
OFF when no CAN data (or command) received.
DS9 3,3 V Green ON when the 3.3 V supply voltage is OK
OFF when the 3.3 V supply voltage is defective
DS10 Microcontoller heartbeat Red Blinks when the HC12 microcontroller is alive, represent-
ing the heartbeat of the HC12 microcontroller.
OFF when the HC12 microcontroller is dead.
J21
J6
J10
J3
J12
J11
J5
J8
J4
J2
J7
J1
J22
J9
DS7
DS9
DS1
DS2
DS10
DS4
DS8
DS6
DS3
DS5
F1
F3
F2
• Board-Compression PL303; see component index page 157 .
• Board-Tilt PL401; see component index page 158 .