Kenwood TK-290 Service Manual page 46

Item Condition
11. QT 1) Set panel tuning mode
deviation CH No. : 3
adjustment Signalling No. : 1
(wide) MIC input : OFF
Select QTDV
in panel tuning mode
Deviation meter filter setting
LPF : 3kHz
HPF : 50Hz
De-emphasis : 750µs
PTT : ON
12. QT 1) Set panel tuning mode
deviation CH No. : 3
adjustment Signalling No. : 1
(narrow) MIC input : OFF
Select QTDV
in panel tuning mode
Turn the toggle SW to the
right (narrow)
Deviation meter filter setting
LPF : 3kHz
HPF : 50Hz
De-emphasis : 750µs
PTT : ON
13. DQT 1) Set panel test mode
deviation CH No. : 3
adjustment Signalling No. : 1
(wide) Select DQDV
in panel tuning mode
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
14. DQT 1) Set panel tuning mode
deviation CH No. : 3
adjustment Signalling No. : 1
(narrow) Select DQDV
in panel tuning mode
Turn the toggle SW to the
right (narrow)
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
15. DTMF 1) Set panel test mode
deviation CH No. : 3
adjustment Signalling No. : 1
(wide) Select DTDV
in tuning mode
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Panel ANT Panel
Deviation
meter
Oscilloscope
AG Side Universal
AF VTVM
Adjustment
Parts Method
± 0.05kHz
Top1/ 0.75kHz
Top2
± 0.05kHz
0.375kHz
± 0.05kHz
0.75kHz
± 0.05kHz
0.375kHz
± 50Hz
3.0kHz
TK-290
Specifications/Remarks
45