Kenwood TK-372G Service Manual page 35

Uhf fm transceiver
Table of Contents

Advertisement

Signalling
Signalling No.
RX
1
None
2
None
3
QT 67.0Hz
4
QT 151.4Hz
5
QT 210.7Hz
6
QT 250.3Hz
7
DQT D023N
8
DQT D754I
9
DTMF DEC, (159D)
10
None
11
2 tone 321.7/928.1Hz ENC
12
Single tone 1200Hz
• Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the unit
to a suitable power supply.
Whenever the transmitter is tuned, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
8Ω dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
• Transceiver tuning
(To place the transceiver in tuning mode)
Channel appears on the LCD. Set the channel according to
the tuning requirements.
LCD display (Test mode)
1
channel No.
°
Press [
], to enter tuning mode. Use the [2 ] key to write
tuning data through the tuning modes, and the channel selector
knob to adjust the tuning requirements (1 to 256 appears on
LCD).
Use the [3] key to select the adjustment item through the
tuning modes. Use the [
] key to adjust 3 or 5 point tuning,
and use the [Side1] key to switch between Wide/Narrow.
LCD display (Tuning mode)
H.P.O.W. .
Adjustment (1~256)
Adjustment item
Point tuning indicator
ADJUSTMENT
TX
None
100Hz square wave
QT 67.0Hz
QT 151.4Hz
QT 210.7Hz
QT 250.3Hz
DQT D023N
DQT D754I
DTMF ENC, (159D)
DTMF tone 9
Single tone 1200Hz
1
Signalling No.
Wide/Narrow indicator
OFF:Wide
1.
ON:Narrow
Panel Tuning Mode (K type)
TEST Ch
RX frequency (MHz)
Low
450.05000
Low'
455.05000
Center
460.05000
High'
465.05000
High
469.95000
Panel Tuning Mode (K4 type)
TEST Ch
RX frequency (MHz)
Low
403.05000
Low'
409.80000
Center
416.55000
High'
423.30000
High
429.95000
Panel Tuning Mode (K2 type)
TEST Ch
RX frequency (MHz)
Low
470.05000
Low'
475.05000
Center
480.05000
High'
485.05000
High
489.95000
Panel Tuning Mode (K3 type)
TEST Ch
RX frequency (MHz)
Low
490.05000
Low'
495.55000
Center
501.05000
High'
506.55000
High
511.95000
TK-372G
450-470(MHz)
TX frequency (MHz)
450.00000
455.00000
460.00000
465.00000
470.00000
403-430(MHz)
TX frequency (MHz)
403.00000
409.75000
416.50000
423.25000
430.00000
470-490(MHz)
TX frequency (MHz)
470.00000
475.00000
480.00000
485.00000
490.00000
490-512(MHz)
TX frequency (MHz)
490.00000
495.50000
501.00000
506.50000
512.00000
35

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents