Chapter 3
Theory of Operation
P/N 57150002, Revision 5.0 3 - 105 Trimble S, VX, SPS & RTS Service Manual
F
Board definitions
IPC - Instrument manager and Position Control system
MSB - Motor and angle Sensor Board
SRC - Slip Ring Contact board
Horizontal Turning Unit - Base unit, MSB board, angle disc and SCR board with magnets
FFB - Fuse/Filter Board
PSM - Power Supply Management
FPB - Face Plate board
PSB - Pressure Sensor Board
BRC - Battery/Radio Connection board
KNB - Knob Board
TPB - Transmitter board DR300+
PRB - Receiver board DR300+
GMB - Greywedge Motor Board DR300+
SFC - Servo Focus Board
OTR - Tracker Receiver Board
OTA - Tracker Amplifier Board
OTC - Tracker Controller Board
TFB - Tracker Flex (transmitter) Board