TK-760/762
INSTALLATION
3-3.
Others
If
the
PA
and HR2 are
not
necessary
and
the
speaker output
is
output to
an
external unit through the
KCT-19,
connect the
KCT-19
C connector to CN5
on
the
TX-RX
unit.
GRN
c
B
KCT-19
Terminal
13
10
1
0.000
00000
o • 0 • 0
1512
6 3
6:
Earth
10:
HRl
12:
PA
(HR2)
.---+----4+0
IPAD/LID
E
C4
0.01
,
1
--------------------
KAp-1 (SWITCH
UNIT:
X41-3380-20)
~-----------------------~~1
i
Ql
: DTD114EK
-----------..lr:;]
HR2
,
D1,2'
1SS193 2
~
NC
I
K2'
~I
srB
C~:l
t-<>+--.---.----t--"to I SB
<L
0
,
u
I
§
I
,
I
R3
0
,
I
R4
0
,
,
I
CN2011
Ql
W2,
r--
PNLI
SPO
SPI
o
00
er:
BC
IC409
CPU
HNCr
6
=-2
-<:>wrt-I
.
PA1-'1..:...4
--,
IC10
I/O
port
expansion
IGN
>-~.-.-r
TX·RX
UNIT
----------------------1
,
I
,
I
,
I
,
I
Audio
power
amp
~;I--+--"""---","*D-,
1--"90+-
.......
C~5
.1
Fig. 8
4.
DTMF
Decode
If the DTMF decode function, such
as
code squelch,
is
necessary,
the
general-purpose
decode
IC
(LC73881 M: SANYO)
must
be installed.
•
Installation
procedure
1.
Remove the upper and lower case and the panel.
2.
Solder the
IC
to the
PCB
land of the
TX-RX
unit (con-
trol section).
Fig. 9
11
This Manual: http://www.manuallib.com/file/2593611
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