Transceiver Modification Procedure; Install The Foot Switch; Change The Power Switch Circuit - Kenwood TK-768 Service Manual

TK:768/H
3-2. Transceiver modiÍication procedure
. lnstall the foot switch
lnstall the foot switch through the KCT-19 and KCT-
1 8 .
When the switch is treaded on, the radio enters the
emergency mode.
. Change the power switch circuit
TX-RX unit (B/2) : Control section
R517 : Remove (R92-1252-05,0O)
R401 : Add (R92-1252-05,
0O)
Jumper wire (W1) : Add
ïX-RX unit (A/2) : RF section
R14 : Remove (RK73F82A102J,1'OkO)
Once the transceiver is modified, it cannot be
turned on and off with the power switch. The power
switch turns the LCD backlight and display on and off.
( T h e p o w e r i s s w i t c h e d o n a n d o f f b y I G N I T I O N
SENSE.}
I
| ^ .--
Control section r
r
(1405
- |
/VLCD
backlight
DTC144EK
l - - t
TX-RX section
3
KCT-19
] : g t - - - - - - i
KCT-18
Outside
3-2. iEËtrtÉ#Ë# .
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. &gÍaffiff*Èffi
rx-RX-É-Í (B/2) : Ëft{ÈFr}
R517 : *h (nqZ-r252-05,
0 &Íq)
R401 : Bln (ngz-r252-05,08ft18)
Dh4i (w1) : Hln
TX-RX +tr, (Nz) : RFSfFtr*Fr|
R14: *h (RK73FB2A102J,
1.0kEftl&)
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INSTALLATION
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