Yaesu FT-767GX, Operating Manual

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70cm UNIT
(OPTION)
2m UNIT
(OPTION)
6m UNIT
(OPTION)
'
YAESU
ALLMOD>:TRM<U:t'.!vt'R
2.2
REAR PANEL JACKS
&
SWITCHES
(I) BACKUP
Pushbutton Switch
Turns t h e i n t e r n a l li t hiu m b a t tery b acku p
system for memory and VFO data o f f ( when de­
pressed ) . This swi t c h i s no rm a l l y k e p t on
( undepressed ) , exc e p t when t h e t r a n sc eiver is
to b e sto red.
(2) GND Terminal Post
Connect this t e r mina l to a good e a r t h ground
usi ng he avy b r aided c ab le.
(3) RX ANT
Switch and J acks
The NOR (undepressed ) switch position con­
n e c t s t he t r a n s ceiver to the m ain co axi a l
( H F ) ANT so cke t on bo t h t r a n s m i t and
receive. The SEP ( depr ess e d ) po si tion
co n n e c t s t he t r a n sceiver to t h e s m a l l e r
( H F ) ANT phono j ack j u s t t o t h e rig h t o f
t h e switch when receiving.
The EXT R CVR phono jack is for connection
o f the i n p u t o f a s e p a r a t e ( H F ) r e c eiver,
w hich wi l l s h a re the ( H F ) a n t e n n a a t the
m ain coaxial ANT socket when the FT -767GX
is no t t r an s mi t ti ng.
ANT
EXT RCVR
SEP
Diode Sw
(closed while receiving)
4+-
RX front end
RX ANT (phono jack)
TX PA
11 12
(4) RF OUT, EXT ALC, TX GND J acks
The RF OUT phono jack provides a low- l evel
( -6dBm @ 50 ohms, 0.1 Vrm s ) output of the
t r an s mit sig n a l ( H F o n l y ) .
The EXT A L C phono j ack accepts transmitter
auto m a tic l e v e l co n t rol i n p u t fro m a lin ­
e a r a m p li fier. A cc e p t a b l e l ev e l s are - 1
to -7V ( a t t a ck t hr esho l d i s - 3 to - 4V ) .
The TX GND phono j ack is connected across
co n t a c t s of a special t r a n s mit/rec eive
re l ay in the F T -767GX, which are c lo s e d ­
circui t duri ng t r an s mission,
a n d o p e n ­
circuit during reception. Maximum ratings
are O. l A @250 VA C, 0.2A @220 VDC. Resis ­
tive load ratings are 2A @30 V D C, or 0. 4A
@125 VD C . NOTE : internal switch S2002 (on
t h e RF U nit ) m u s t be set to t h e ON po si ­
tion when t hi s j ack is used.
(5) PO ADJ
Control
T hi s co n t ro l s e t s t h e s e n si ti vi t y o f t h e
r e l a tive pow e r o u t p u t ( PO ) f u n c tio n o f t h e
m u l ti m e t e r on t h e fro n t p a n e l .
T h e digi t a l
wattmeter i s unaffected.
(6) DC OUTPUT +13.5V, +8V
These phono j acks provide D C voltage for oper­
ating ex t e r n a l a c c e s sories.
M axi m u m curre n t
c a p abi li ty i s 200 m A at t h e 13.5V j ack, a n d
100 m A at t h e 8V j ack.
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