Simrad HT50 Assembly Instructions Manual page 12

Mic in
Mod out
Clock, Data &
Enables
TR4, TR5
PTT / Data Out
Reverse Power
Carrier Power
Squelch Level
Squelch
AF In
AF Out
VR1
Analogue 0V
Earpiece Audio
E02958 Circuit Block Diagram
IC2b
VR2
IC2a
TR11 TR3
DRAFT
IC5
4.096MHz
Reset
Main CPU
IC1
IC103a,b
IC103c, d D1,
TR11
DRAFT
Rotary
Encoder
F
1/25
16
D/W
LCD
Scan
Reset
4.096MHz
IC6
12