VHF Schematic Diagrams, Overlays, and Parts Lists: Speaker and Microphone Schematic 10-3
10.1.2 Four Layer Circuit Board
Figure 10-1. Four-Layer Circuit Board: Copper Steps in Layer Sequence
10.2 Speaker and Microphone Schematic
Figure 10-2. Speaker and Microphone Schematic
10.2.1 Speaker and Microphone Parts List
Reference
Designator
Motorola Part No. Description
MIC1 PMDN4139_R Microphone
SPK1
PMDN4067BR
Speaker & Cable
Plating (Au)
PSR ink
Copper Plate
Copper
Copper
Copper
Copper
Copper Plate
PSR ink
PrePreg.
CCL (core)
PrePreg.
MIC1
SPK1
1
2
1
2
MATES WITH J103 ON
RADIO BOARD
MATES WITH J603 ON
RADIO BOARD