Kenwood TH-27A - Manual (Page 49)

• Installing the CTCSS unit (TSU-7)
1. Slide the release button to unlock, then pull out the
battery case.
2. Unscrew the four screws on the rear (Fig. 1). The screw
near the antenna connector is a short one.
3. Pull part A shown in Figure 2 with your thumb, put
your finger into the battery case, and release the claw
of the rear case.
4. Position the set with its front facing forward.
5. Open the front panel from the PTT switch side, being
careful of the internal wiring. The PC board mounted
on the front panel projects into the top panel by about
3 mm. Pull the front panel down to open it (Fig. 3).
6. Attach the pad supplied with the TSU-7 to the rear of
the unit (the side with no connectors).
7. Remove the resistor using a pair of nippers. Plug the
connector into the TSU-7, and attach the TSU-7 to the
transceiver, as shown in fig.4, fig.5.
8. Replace the case in its original position, taking care
not to catch the cord under the case.
9. Install the four screws.
1 0. Insert the battery case.
Fig. 1 Fig. 2
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