Kenwood NX-1200 Series, Руководство по обслуживанию

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(No.RA077<Rev.001>)1-25
4.1.7 Common Section
4.1.8 Transmitter Section
NX-1200 Series (K) type
Item Condition Measurement Adjustment Specifications/
Remarks
PC tuning mode Point Method
1. Setting 1) BATT terminal voltage:7.5V
2) SSG standard modulation
[Wide] MOD:1kHz/DEV:3kHz
[Narrow] MOD:1kHz/
DEV:1.5kHz
2. Assist
Voltage 1) Adj item: [Assist Voltage]
2) Adj point: 5 points
[Low], [Low'], [Center], [High'],
[High]
FPU
[<],[>] [Automatic Adjustment]
1) Press [Tune Assist Voltage] button.
2) Press [OK] button to store the
adjustment value after all
adjustment point have been
adjusted.
3) Verify that the VCO lock voltage is
within the specification.
[Manual Adjustment]
1) [V] indicator on the PC window
shows VCO lock voltage.
Change the adjustment value to get
VCO lock voltage within the
specified voltage.
2) Press [OK] button to store the
adjustment value after all
adjustment point have been
adjusted.
2.4~2.6V
Note: Confirm the VCO lock voltage approximately three seconds after the adjustment value is changed.
3. DC Offset <PC test mode>
1) Test Channel: 1
Test Signaling Mode: Analog
Signaling: 1
FPU Press [DC Offset] button.
It will pop up a window after
adjustment is completed. Press [OK] button
to store the
adjustment value.
4. Frequency 1) Adj item: [Frequency]
2) Adj point: 1 point
Transmit power: Low
3) PTT: Press [Transmit] button.
f. counter
-ANT FPU
[<],[>] 155.100000MHz 155.099970~
155.100030MHz
Press [OK] button
to store the
adjustment value.
NX-1200 Series (K) type
Item Condition Measurement Adjustment Specifications/Remarks
PC tuning mode Point Method
1. Ramp
Offset 1) Adj item: [Ramp Offset]
2) Adj point: 5 points
[Low], [Low'], [Center], [High'], [High]
3) Press [Transmit] button.
Power meter
-ANT FPU
[<],[>] Write the fixed value " 1 " for each adjustment points.
Press [OK] button to store the adjustment value after
all adjustment points have been adjusted.
2. High
transmit
power
(Battery
voltage:
7.5V) 1) Adj item:
[High Transmit Power]
2) Adj point: 5 points
[Low], [Low'], [Center], [High'], [High]
3) Press [Transmit] button.
Power meter
-ANT
Power supply
Ammeter FPU
[<],[>] 5.0W ±0.5W
2.3A or less
Press [OK] button to store
the adjustment value after
all adjustment points have
been adjusted.