Six Layer Circuit Board; Speaker And Microphone Schematic; Speaker And Microphone Parts List; Figure 6-1. Six-Layer Circuit Board: Copper Steps In Layer Sequence - Motorola EP450 Service Manual

VHF Schematic Diagrams, Overlays, and Parts Lists: Speaker and Microphone Schematic
6.1.2

Six Layer Circuit Board

Figure 6-1. Six-Layer Circuit Board: Copper Steps in Layer Sequence

6.2

Speaker and Microphone Schematic

MK1
SP1
6.2.1

Speaker and Microphone Parts List

HKLN4216A
SIDE 1
SIDE 2

Figure 6-2. Speaker and Microphone Schematic

Reference Motorola Part
Designator No.
MK1 5085880L01
SP1 5085738Z08
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
INNER LAYERS
LAYER 4 (L4)
LAYER 5 (L5)
LAYER 6 (L6)
1
MATES WITH J470 ON
RADIO BOARD
2
1
MATES WITH J491 ON
RADIO BOARD
2
Description
Microphone, electret
Speaker assembly with
connector
6-3
November 24, 2003