TK-272G
33
■
The following parts are required for adjustment
1. Antenna connector adapter
The antenna connector of this radio uses an SMA terminal.
Use an antenna connector adapter [SMA(f) – BNC(f) or
SMA(f) – N(f)] for adjustment. (The adapter is not provided as
an option, so buy a commercially-available one.)
Note
When the antenna connector adapter touches the knob,
draw out the knob to mount the connector.
Repair Jig (Chassis)
1. Jig (chassis : Part No. A10-4009-13) for adjustment.
2. Use the jig as follows.
①
Place the TX-RX unit on the jig and fix it with thirteen
screws
z
.
➁
Solder the antenna terminal of the TX-RX unit.
3. Supply power from an external power supply.
Relay terminal : + (7.5)
Jig (Chassis)
: -
Relay terminal
(+)
Power module
UNIT
JIG
Coaxial antenna connector
z
z
z
z
z
z
z
z
z
Test Mode
■
Test mode operating features
This transceiver has a test mode. To enter test mode,
press the [
2
] key and turn the power on. Hold the [
2
] key
until the test channel No. and test signalling No. appear
on LCD. Test mode can be inhibited by programming. To exit
test mode, switch the power on again. The following functions
are available in test mode.
• Controls
[PTT]
Used when making a transmission.
[Side2]
Monitor ON and OFF.
[Side1]
Changes wide and narrow.
[
°
]
Sets to the Tuning mode.
[
•
]
Unused
[
2
]
RF power HIGH and LOW.
[
3
]
Changes signalling.
[ENCODER] Changes channel.
• LCD indicator
“LO”
Lights at RF Power Low.
“ ”
Lights at monitor ON.
• LED indicator
Red LED
Lights during transmission. Blinks during low
battery voltage warning.
Green LED
Lights when there is a carrier.
Repair Jig (Extention Flat cable : part No.
E37-0851-05)
This cable is used for connecting the TK-272G display unit
and TX/RX unit when you test or repair the transceiver.
Caution :
You must connect TK-272G display unit when you
test or repair the transceiver.
Extention Flat cable
Display unit
TX/RX unit
ADJUSTMENT
