Kenwood TM-V7A Service Manual page 47

144/430mhz fm dual bander
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TM-V7A/E
ADJUSTMENT
Measurement
Adjustment
Specifications/
ttem
Condition
Test-
equipment
Unit
Terminal
Unit
Parts
Method
Remarks
2. Sensitivity
1)
V band
step 2-1
FREQ.:CH1
step 2-2
FREQ.:CH2
step 2-3
FREQ.:CH3
SSG:~—122dBm
2)
U band
step 2-4
FREQ.:CH1
step 2-5
FREQ.:CH2
step 2-6
FREQ.:CH3
SSG:—122dBm
3)
U2 band
step 2-7
FREQ.:CH1
SSG:—118dBm
4)
V2 band
step 2-8
FREQ.:CH1
SSG:—118dBm
Distortion
meter
Oscilloscope
AF V.M
Rear
panel
EXP. SP1
Check
SINAD 12dB or more
SINAD 12dB or more
SINAD 12dB or more
SINAD 12dB or more
3. Squelch
V band
step 3-1
FREQ.:CH1
Set to the point where
noise will be erased
by turning the squelch
knob.
2)
SSG:—130dBm
3)
Squeich knob:
clockwise MAX
4)
U band
step 3-2
FREQ.:CH1
Set to the point where
noise
will be erased
Oscilloscope
SSG
Rear
panel
EXP. SP1
Check
Knob position:
8:00~11:00
BUSY lights off.
Squeich open.
BUSY lights on.
AF output disappear.
BUSY lights off.
Knob position:
8:00~ 11:00
BUSY lights off.
by turning the squelch
knob.
5) SSG:—130dBm
Squelich open.
BUSY fights on.
6) Squetch knob:
AF output disappear.
clockwise MAX
BUSY lights off.
7) U2 band
Squelch open.
step 3-3
Note:
FREQ.:CH1
\f not squelch opened,
SSG:—125dBm
minimum 20dB NQ is
acceptable.
8) V2 band
step 3-4
FREQ.:CH1
SSG:—125dBm
47

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