Trimble S - Service; Maintenance; Replacement of spare parts

Chapter 3
Theory of Operation
Trimble S, VX, SPS & RTS Service Manual3 - 78 P/N 57150002, Revision 5.0
F
Service
Maintenance
Optical:
• Focusing and alignment of receiver fibre, transmitter fibre is focused from factory, only
alignment
• Laser pointer alignment
Electrical:
• Adjustments of the reference signal
• Adjustment of receiver fibre to APD maximum
• Check filter, switch and greywedge motor
• Crosstalk check
• Signal/noise ratio check
• Distance measurement in reflector and DR mode
• Offset determination, determination and verification of EDM offset
Replacement of spare parts
• Transmitter unit incl. filter motor
• Transceiver board
• Greywedge motor
• Switch motor
• Reference fibre
• Receiver fibre
• EDM frame