6880309N62-C June, 2005
VHF Schematic Diagrams, Overlays, and Parts Lists: Speaker and Microphone Schematic 7-3
7.1.2 Six Layer Circuit Board
Figure 7-1. Six-Layer Circuit Board: Copper Steps in Layer Sequence
7.2 Speaker and Microphone Schematic
Figure 7-2. Speaker and Microphone Schematic
7.2.1 Speaker and Microphone Parts List
Reference
Designator
Motorola Part
No.
Description
MK1 5080258E16 Microphone, electret
SP1 5005679X04 Speaker assembly with
connector
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
LAYER 4 (L4)
LAYER 5 (L5)
LAYER 6 (L6)
INNER LAYERS
SIDE 1
SIDE 2
MK1
SP1
1
2
1
2
MATES WITH J470 ON
RADIO BOARD
MATES WITH J491 ON
RADIO BOARD