Kenwood TM-D700A Service Manual page 8

TM-D700A/E
CIRCUIT DESCRIPTION
2% RAV and RAU is de-emphasized audio signal. RDV and RDU is not de-emphasized.
RAV from IF
mm Loe] bot! bos! Los! Lect! Les} Le! Le]
RDV from IF
Lt) Lot! Le! Le! Leal Le L6I 1)
RAU from IF
mm Lal Los! Let! Le! Lal Le! Lal Ls)
RDU from IF
sn Lol Los! Los! Los! Led Le! Lal 1]
BEEP sound from CPU
=" Ll Los! Let! Led Leal Lal Le! Le)
VS-3 vocal sound of option
Ll Los! Let Leal Lal Lal Ler Le]
DTMF/1750 signal from CPU
Los) Los! Les! Los! Lal Lal Le! Le]
DTMF sound from MIC.
Lot! Lot! Lesl Led Le! Lal Le! 1)
V Y VY V V Y V \
Al
AO
To DTMF decoder
To built-in TNC
To CPU for DCS/CTCSS decode
' To PR9 (DATA terminal)
y To PR1 (DATA terminal)
To modulation line to transmit OTMF/1750
Fig.8 Cross point switch (Audio switching circuit)
C702
z
#
To SP1/INT SP side AMP
To SP2 side AMP