Rear Panel Connections - Yaesu FT-107M Maintenance Service Manual

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GENERAL
REAR PANEL CONNECTIONS
( l ) ANT
This is a:standard UHF type female jack for con-
nection t o the antenna.
<
(2) GND
For best performance and safety, a good ground
should be connected at this point.
( 3 ) RFOUT
This jack provides 300 mV RMS at 50 ohms for
connection t o the FTV-I 07R transverter.
(4) AF OUT
This is an audio output jack, providing 200 mV of
audio output for recording purposes. This jack is
not disabled by insertion of a headphone or
speaker plug into their respective jacks.
( 5 )
IF OUT 2
This is wideband I F output for use with a band
scope (such as the YO-901).
(6) PTT
This jack accepts push-to-talk control. When using
c
a footswitch, it should be connected a t this point.
(7) ACC 2
This is a 7 pin DIN jack for use with the FTV-
107R transverter.
( 8 ) EXTVFO
This is a
6
pin DIN jack for interconnection to the
FV-107 external VFO.
(9) RCVANT
This jack pmvides for connection of an extemal
receiver to the main station antenna. This jack is
switched to the antenna in the receive mode only.
( l
O) PATCH
This is an auxiliary microphone input for use with
a phone patch, etc.
( l l ) I F OUT 1
I
This jack provides narrow-band I F output for use
with a monitorscope (such as the YO-901).
(1 2) FSK
This jack provides input for the FSK keying lead
I
from your FSK terminal. The standard shift of
170
Hz
is used.
(13) ACC 1
This is a 5 pin DIN jack for connection t o a linear
amplifier or other station equipment. Included are
make and break relay connections, as we11 as the
external ALC line.

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