Kenwood TS-820 Operating Manual page 15

EXTERNAL VFO CONNECTOR
This 9-pin connector provides a means of interconnecting
the KENWOOD VFO-820. another external VFO, or an ex-
ternal receiver. The interconnecting cable is provided with
the VFO-820. The 9-pin jurnpered VPO plug provided with
the TS-820 must be inserted in this socket for normal trans-
ceiver operation.
PIN
FUNCTION
VFO rlgnal
VFO signal shield
Ground
12.6
VAC
Relay voltage
(+ on
iransm~tl
PIN FUNCTION
I
9
VOC to irlternal
VFO (pin 91
1
9
VDC to external
VFO
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REMOTE CONNECTOR
The REMOTE connector is an 8-pin socket for use in inter-
connecting a linear amplifier. an external speaker. or another
accessory item. (See Fig. 301
@
I F O U T J A C K
FUNCTION
PIN
2
4
Receive s~gnals from the f ~ n a l IF stage are supplied t o thls
jack for monltorlng waveforms of opposlte stattons
C W KEY J A C K
I
Connect a key to this 1 / 4 phone jack for CW operation.
1
FUNCTION
No connec~ion
Normally closed
relay contact
Ground
RTTY KEY J A C K
i
N~rrnally
open
Ground
PIN
This is used for FSK operation. A 2 P plug should be inserted
i
for connection to the switching circuit o f a teletypewriter. !
G
7
8
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DC-DC CONVERTER CONNECTING HOLE
ALC
feedback
Occupred
8 s
lermlrlal
External
speaker
DC DC Converter (DS-1 o p t ~ o n ) can be wlred through thls
hole For wlrlng. remove the cover plate
Rcmove screw and Sw1r:h sIo,)rwr
L o c k
lcvcr by allach~ng
slopper plate to opposile s ~ d r sloppcr p a l e lo oppqs~te
side screw
220v 220v
SIUP~CI
plale
Fig. 5 Changing Power Voltage f r o m . 2 2 0 V to 1 2 0 V