Motorola GP540 Service Information - Page 11
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1.0
Allocation of Schematics and Circuit Boards
The Controller circuits are contained on the printed circuit board (PCB) containing the RF circuits.
This Chapter shows the schematics for the Controller circuits only, refer to the relevant RF section
for details of the related RF circuits, the PCB component layouts and the Parts Lists. The Controller
schematic diagrams and the related PCB and parts list are shown in the tables below:
PCBs :
SCHEMATICS
PCBs :
SCHEMATICS
Table 3-1 Schematics - Set 1
8480450Z03
8485641Z02
8480587Z01
8485677Z01
8480641Z03
Overall Controller Schematic
ASFIC/ ON_OFF
Microprocessor
Interface
Memory
Audio Power Amplifer
Table 3-2 Schematics - Set 2
8480450Z13/14
8485641Z06
Overall Controller Schematic
ASFIC ON_OFF
Microprocessor
Memory
Interface
Audio Power Amplifer
CONTROLLER SCHEMATICS
UHF
UHF2
UHF GP1280
UHF2 GP1280
800 MHz
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UHF
UHF2
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Chapter 3