Kenwood TK-290 Service Manual page 41

Item Condition
4. TX high 1) Set panel test mode
power CH No. : 1
check Signalling No. : 1
PTT : ON
2) CH No. : 3
Signalling No. : 1
PTT : ON
3) CH No. : 5
Signalling No. : 1
PTT : ON
5. TX low 1) Set panel test mode
power CH No. : 3
adjustment Signalling No. : 1
Select POW
LO
in panel tuning mode
Push Orange to 3 point
adjustment mode
Select POW
L
PTT : ON
2) Push Side2 to select
∗ ∗ ∗
POW
M LO
PTT : ON
3) Push Side2 to select
∗ ∗ ∗
POW
H LO
PTT : ON
6. TX low 1) Set panel test mode
power CH No. : 1
check Signalling No. : 1
Set low power (Push Top2)
PTT : ON
2) CH No. : 3
Signalling No. : 1
Set low power (Push Top2)
PTT : ON
3) CH No. : 5
Signalling No. : 1
Set low power (Push Top2)
PTT : ON
7. DQT balance 1) Set panel test mode
adjustment CH No. : 3
Signalling No. : 1
Select BLNC
in panel tuning mode
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
Measurement
Test-
Unit
equipment
Power meter Panel
Ammeter
∗ ∗ ∗
∗ ∗ ∗
LO
Power meter Panel
Deviation
meter
∗ ∗ ∗
Oscilloscope
AG Side
AF VTVM
Adjustment
Terminal Unit Parts
ANT Check
Panel Top1/ 1.0W
Top2
Check
ANT Panel Top1/ Make the demodu-
Top2 lation waves into
square waves.
Universal
TK-290
Specifications/Remarks
Method
3.7W~5.2W
2.3A or less
±0.1W
1.2A or less
0.5W~1.5W
1.2A or less
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