Allocation Of Schematics And Circuit Boards; Uhf2 And Controller Circuits - Motorola CM200 Service Manual

1.0

Allocation of Schematics and Circuit Boards

1.1

UHF2 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.
PCB :
8488978U01 (P9) Main Board Top Side
8488978U01 (P9) Main Board Bottom Side
SCHEMATICS
Parts List
Controller version is T1
PCB :
8486684Z02 (Rev. A) Main Board Top Side
8486684Z02 (Rev. A) Main Board Bottom Side
SCHEMATICS
Parts List
Controller version is T1
UHF2 PCB/ SCHEMATICS/ PARTS LISTS
Table 4-1 UHF2 1-25 W Diagrams and Parts Lists
Main Circuit
Transmitter
Synthesiser and VCO
Receiver Front and Back End
DC and Audio Ccts
Microprocessor and Controller Ccts
Power Control Cct
8488978U01 (P9)
Table 4-2 UHF2 1-25 W Diagrams and Parts Lists
Main Circuit
Transmitter
Synthesiser and VCO
Receiver Front and Back End
DC and Audio Ccts
Microprocessor and Controller Ccts
Power Control Cct
8486684Z02 (Rev. A)
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Chapter 4