User's Manual

10/19/07 888-2687-001 4-1
WARNING: Disconnect primary power prior to servicing.
Ranger ™ Mobile Series
Section 4
Theory of
Operation
4
4.1 Introduction
This section contains detailed descriptions of the Ranger Series transmitter and its
internal sub-assemblies. Due to the modular make-up of the transmitter all models of
the Ranger Series transmitter are covered by this manual. Model differences will be
discussed throughout the text as needed. The various models are given in Table 4-1.
Table 4-1 Ranger Series™ Transmitter Models
4.2 Block Diagram Descriptions
For a basic transmitter overview and block diagram descriptions refer to Section 1,
Introduction. There is an overall transmitter wiring diagram, drawing #843-5560-001,
which also serves as a transmitter block diagram. Also, as part of our standard practice,
the first page of a pc board schematic is also a block diagram of that board.
The remainder of this section will be broken up into 3 main topics:
• Control System
• RF System
• Power Supplies
Tx Models PA Modules Power Supplies
Power
before Filter
Power
after Filter Filter location
CZ500F 1 1 375W TBD External
CZ1000F 2 1 750W TBD External
NOTE: All power levels given in Average power. CZ500F and CZ1000F use an External Low Loss mask filter
provided by others.