Chapter 3
Theory of Operation
Trimble S, VX, SPS & RTS Service Manual3 - 26 P/N 57150002, Revision 5.0
F
IAB board
The main functionality of the IAB board is to provide an interface between the Quimby CPU board
and the instrument. It also contains a power source to enable the Quimby main board to remain in
suspend while the battery is exchanged in the instrument.
Fig. 3-25 IAB Function diagram
Quimby Board
The Quimby board is the CPU and memory board of the control panel. The memory is 128Mb.
KBDQ Board
The function of the KBDQ Board is to detect key press from the 22 keys on the control panel
keyboard.
Service
Replacement of spare parts
• TCU attachment complete
• Lock for Trimble CU
Quimby CPU board
P8 P7
IAB
P1 P2
J1
To Trimble S6
P2
P4
P3
To Side Hirose(HRU)
To instrument
To Next Page
Loading...