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15 APPENDIX 1: SCHEMATIC DIAGRAMS
15.1 Block Diagrams
15.1.1 DX-3SP Block Diagram
Back
Panel
Primary
AC
power
cord
Line 1
30 amp
fuse
Line 2
30 amp
fuse
RF input
RF output
PTT relay
ALC output
ALC adjust
Soft start
Front
panel
Display
panel
Transformer
High
Voltage
supply
Control
board
module
On/Off
switch
Stby/Opr
switch
RF/TUBE
Module
RF
sensor
RF relays
Fans
Temp
sensor
Band
switch
Plate
Load
DX-2sp Block
Diagram
Block Diagram 3/15/06
by: M. Farrer