Chapter 4
UHF1 PCB/ SCHEMATICS/ PARTS LISTS
1.0 Allocation of Schematics and Circuit Boards
1.1 UHF1 and Controller Circuits
The UHF circuits are contained on the printed circuit board (PCB) which also contains the Controller
circuits. This Chapter shows the schematics for both the UHF circuits and the Controller circuits. The
PCB component layouts and the Parts Lists in this Chapter show both the Controller and UHF circuit
components. The UHF and Controller schematics and the related PCB and parts list are shown in
the tables below.
Table 4-1 UHF1 25-40W Diagrams and Parts Lists
PCB :
8486577Z02 Main Board Top Side
8486577Z02 Main Board Bottom Side
Page 4-4
Page 4-5
SCHEMATICS
Main Circuit
Transmitter
Synthesiser and VCO
Receiver Front and Back End
DC and Audio Ccts
Microprocessor and Controller Ccts
Power Control Cct
Page 4-6/Page 4-7
Page 4-8/Page 4-9
Page 4-10/Page 4-11
Page 4-12/Page 4-13
Page 4-14/Page 4-15
Page 4-16/Page 4-17
Page 4-18
Parts List
8486577Z02 Page 4-19
Controller version is T1
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