Kenwood TK-290 Service Manual page 47

TK-290
Item Condition
16. DTMF 1) Set panel tuning mode
deviation CH No. : 3
adjustment Signalling No. : 1
(narrow) Select DTDV
in panel tuning mode
Turn the toggle SW to the
right (narrow)
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
17. MSK 1) Set panel test mode
deviation CH No. : 3
adjustment Signalling No. : 1
(wide) Select MSDV
in panel tuning mode
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
18. MSK 1) Set panel tuning mode
deviation CH No. : 3
adjustment Signalling No. : 1
(narrow) Select MSDV
in panel tuning mode
Turn the toggle SW to the
right (narrow)
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
19. Transmission 1) Set panel test mode
S/N check CH No. : 3
(wide) Signalling No. : 1
Deviation meter filter setting
LPF : 300Hz
HPF : 3kHz
De-emphasis : 750µs
PTT : ON
20. Transmission 1) Set panel test mode
S/N check CH No. : 3
(narrow) Signalling No. : 1
Turn the toggle SW to the
right (narrow)
Deviation meter filter setting
LPF : 300Hz
HPF : 3kHz
De-emphasis : 750µs
PTT : ON
21. BATT 1) Set panel test mode
detection CH No. : 3
writing Signalling No. : 1
Select BATT
in panel tuning mode
PTT : ON
46
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Panel ANT Panel
Deviation
meter
Oscilloscope
AG Side Universal
AF VTVM
Power meter Panel ANT Side
DC VTVM Bottom BATT
terminal
Adjustment
Parts Method
± 50Hz
Top1/ 1.5kHz
Top2
± 50Hz
3.00kHz
± 50Hz
1.50kHz
Check 42dB or more
37dB or more
Orange Write the voltage 6.2V
level
Specifications/Remarks