TK-290-11B
22
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
ADJUSTMENT
6. Squelch
1) Set panel test mode
SSG
Panel
ANT
Panel
SW A/
Adjust to point of
adjustment
CH No. : 3
SW B
opening squelch
Signaling No. : 1
AF VTVM
Side
Universal
Select SQ O
∗∗∗
Oscilloscope
in panel tuning mode
Distortion
SSG output : 3dB below to
meter
12dB SINAD level
Audio
analyzer
7. Squelch
1) Set panel test mode
Check
Squelch must be
check
CH No. : 3
opened
Signaling No. : 1
SSG output : –118dBm/0.28
µ
V
2) SSG output : –127dBm/0.1
µ
V
Squelch must be closed
Adjustment Points
■
Component side view
■
Foil side view
L201 L202
L205
L206
E
CN405
E
E
SELF
TP5
TP4
E
TP6
E
TP7
E
E
GND
GND
ANT
TP9
TP8
TP3
SENS. B
TP1
TP2