Chapter 3
Theory of Operation
Trimble S, VX, SPS & RTS Service Manual3 - 10 P/N 57150002, Revision 5.0
F
BRC board
Fig. 3-9 Battery / radio side cover block diagram
The BRC-board has two functions:
1. Includes the connector and ESD protection for the internal battery.
2. Connection to radio module and converting the radios RS232 to USB for communication to
IPC board.
Radio module incl. antenna and cable
Battery / radio side cover can be fitted with a radio module, see for description of the radio function.
Service
Replacement of spare parts
• Complete side cover without radio module
• BRC board
• Radio module
• Battery lid
Battery / radio
side cover
BRC
board
Radio
Battery
PSM board
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