Kenwood TK-290 Service Manual page 50

Item Condition
9. Squelch 1) Set panel test mode
adjustment CH No. : 3
(narrow) Signalling No. : 1
Select SQ O
in panel tuning mode
Turn the toggle SW to the
right (narrow)
SSG output : 3dB below to
12dB SINAD level.
10. Squelch 1) Set panel test mode
check CH No. : 3
(wide) Signalling No. : 1
SSG output : –118dBm/0.28µV
2) SSG output : –127dBm/0.1µV
11. Squelch 1) Set panel test mode
check CH No. : 3
(narrow) Signalling No. : 1
Turn the toggle SW to the
right (narrow)
SSG output : –118dBm/0.28µV
2) SSG output : –127dBm/0.1µV
Adjustment Point
Component side
E
E
TP8
TP9
TP3
E
TP1
SENS. B
ADJUSTMENT
Measurement
Test-
equipment
SSG Panel
AF VTVM Side
Oscilloscope
Distortion
meter
Audio
analyzer
E
TP7 E
IC607
X600 IC603
E
TP2
TP6
SELF
TP4
E
TP5
Adjustment
Unit Terminal Unit Parts
ANT Panel Top1/
Top2
Universal
Foil side
TK-290
Specifications/Remarks
Method
Adjust to point of
opening squelch
Check Squelch must be opened
Squelch must be closed
Check Squelch must be opened
Squelch must be closed
L205
L201 L202
L206
L800
X1
IC406
IC414
49