Motorola GM1280 Информация о сервисе - Страница 33
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1.0
Allocation of Schematics and Circuit Boards
1.1
Controller Circuits
The VHF circuits are contained on the printed circuit board (PCB) which also contains the Controller
circuits. This Chapter shows the schematics for the VHF circuits only, refer to the Controller section
for details of the related Controller circuits . The PCB component layouts and the Parts Lists in this
Chapter show both the Controller and VHF circuit components. The VHF schematics and the related
PCB and parts list are shown in the tables below.
PCB :
SCHEMATICS
Parts List
PCB :
SCHEMATICS
Parts List
VHF PCB/SCHEMATICS/PARTS LISTS
Table 4-1 VHF 1-25W Diagrams and Parts Lists
8486172B04 Main Board Top Side
8486172B04 Main Board Bottom Side
Power Amplifier 1 - 25W
FRACN
Voltage Controlled Oscillator
Receiver Front End
IF
8486172B04
Table 4-2 VHF 1-25W Diagrams and Parts Lists
8486172B06 Main Board Top Side
8486172B06 Main Board Bottom Side
Power Amplifier 1 - 25W
FRACN
Voltage Controlled Oscillator
Receiver Front End
IF
8486172B06
Chapter 4
Page 4-3
Page 4-4
Page 4-5
Page 4-6
Page 4-7
Page 4-8
Page 4-9
Page 4-10
Page 4-13
Page 4-14
Page 4-15
Page 4-16
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Page 4-19
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