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Motorola GM1280 서비스 정보
1.0

Allocation of Schematics and Circuit Boards

1.1
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 the UHF 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 UHF circuit components. The UHF schematics and the
related PCB and parts list are shown in the tables below.
PCB :
SCHEMATICS
Parts List
Controller version is T7
PCB :
SCHEMATICS
Parts List
Controller version is T9
UHF PCB/SCHEMATICS/PARTS LISTS
Table 4-1 UHF 1-25W Diagrams and Parts Lists
8485670z02 Main Board Top Side
8485670z02 Main Board Bottom Side
Power Amplifier 1 - 25W
FRACN
Voltage Controlled Oscillator
Receiver Front End
IF
8485670z02
Table 4-2 UHF 25-40W Diagrams and Parts Lists
8480643z06 Main Board Top Side
8480643z06 Main Board Bottom Side
Power Amplifier 25 - 40W
FRACN
Voltage Controlled Oscillator
Receiver Front End
IF
8480643z06
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Chapter 4