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TK-868HG
Service Manual List
Title
Parts number
TK-868G
B51-8500-00
TK-868G
B51-8502-00
TK-868HG B51-8541-00 SUPPLEMENT
TK-868HG B51-8541-10 REVISED
Frequency range
C,M
C3,M3 : 400~430MHz
Ignition Sense Cable (KCT-18 : Option)
The KCT-18 is an optional cable for enabling the ignition
function. The ignition function lets you turn the power to the
transceiver on and off with the car ignition key.
If you use the Horn Alert function or the Manual Relay
function, you can turn the function off while driving with the
ignition key.
Connecting the KCT-18 to the Transceiver
1. Install the KCT-19 in the transceiver.
2. Insert the KCT-18 lead terminal (
plug (
) supplied with the KCT-19, then insert the square
1
plug into the KCT-19 connector (
KCT-19
2
INSTALLATION /
Remarks
Destination
TX-RX unit
PCB number
C,C3
J72-0678-02
M,M3
J72-0678-02
C
J72-0760-02
C,C3
J72-0760-12
This Service manual
: 450~490MHz
) into pin 3 of the square
2
).
3
2
3
!
1
Contact /
3
13
6
15
KCT-18
Fig. 1 /
Modifying the Transceiver
Modify the transceiver as follows to turn the power or the
Horn Alert or Manual Relay function on and off with the igni-
tion key.
1. Remove the lower half of the transceiver case.
2. Set jumper resistors (0Ω) R134 and R135 of the TX-RX unit
(A/2) as shown in Table 1.
KCT-19
R133
R134
Operation when KCT-18
is connected
Power on/off and Horn
Alert or AUX-A on/off
Horn Alert or AUX-A
1
on/off
Table 1 R134 and R135 setup chart
TX-RX UNIT
(A/2)
CN2
Fig. 2 /
R134
R135
Yes
Yes
KCT-18 cannot
No
Yes
be connected
Yes
No
No
No
Power cannot
be turned on
ANT
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