Motorola Pro3100 Detailed Service Manual

Section 7: 4-1
6881091C63-F
Chapter 4
LOW BAND PCBS, SCHEMATICS, AND PARTS LISTS
1.0 Allocation of Schematics and Circuit Boards
1.1 Controller Circuits
The low band circuits are contained on the printed circuit board (PCB) which also contains the
controller circuits. This chapter shows the schematics for the low band 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 low band circuit components. The low band
schematics and the related PCB and parts lists are shown in the tables below.
Table 7-1 Low Band Range1 Diagrams and Parts Lists
Main Board (Top Side & Bottom Side)
PCB 8486206B06
PCB 8486206B08:
Page:
7: 4-5 & 7: 4-6
7: 4-7 & 7: 4-8
SCHEMATICS
Power Amplifier 40–60 W
Voltage Controlled Oscillator
Receiver Front-End
IF
PCB 8486206B06
PCB 8486206B08
Noise Blanker
FRACN Synthesizer
7: 4-9 & 7: 4-10
7: 4-11
7: 4-12
7: 4-13 & 7: 4-14
7: 4-15 & 7: 4-16
7: 4-17
7: 4-18
Parts List
PCB 8486206B06
PCB 8486206B08
7: 4-19
7: 4-22
Controller Version
PCB 8486206B06: T6
PCB 8486206B08: T11

Motorola Pro3100 Specifications

General

Brand	Motorola
Model	Pro3100
Category	Two-Way Radio
Language	English