Kenwood TK-780 Service Manual page 24

TK-780
Fig. 7 KAP-1 foil side view
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The signal from pin 13 of IC7 on the TX-RX unit (A/2)
drives PA relay in the KAP-1 and switches the audio power
amplifier output between the external PA system (through
KCT-19) and internal and external speakers.
To use the PA function, R109 on the TX-RX unit (A/2)
must be removed.
Use the PA function
Do not use the PA function
KCT-19
PA
24
INSTALLATION
R109
No
Yes
TX-RX UNIT
(A/2)
CN7
Fig. 8
7. Fitting the Control Panel Upside Down
The TK-780 control panel can be fitted upside down, so
the transceiver can be mounted with its internal speaker (in
the upper half of the case) facing down in your car.
1. Remove the control panel and the TX-RX unit (B/2) con-
trol section. (Fig. 9)
2. Fold the flat cable (
3. Rotate the control section (
4. Insert the flat cable into the control section connector,
CN502 ( ).
5
5. Mount the control section on the transceiver (
ANT
2
4
Fig. 9
) in the opposite direction (
1
) 180 degrees (
3
6
1
CN502
3
5
Fig. 10
).
2
).
4
).
6