Kenwood TK-D240 Service Manual page 37

Vhf digital transceiver
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Item
Condition
PC test mode
3. Trans-
1) Adj item: [Transmit Assist]
mit Assist
2) Adj item: [Low], [Low'], [Center],
[High'], [High] PTT: Press [Trans-
mit] button.
Press [Apply All] button to store
the adjustment value.
4. Fre-
1) Adj item: [Frequency]
quency
PTT: Press [Transmit] button.
Press [Apply] button to store the
adjustment value.
2) Adj item: [High]
4.13 Transmitter Section
Item
Condition
PC test mode
1. Ramp
1) Adj item: [Ramp Offset]
Offset
2) Adj item: [Low], [Low'],
[Center], [High'], [High]
2. High
1) Adj item:
transmit
[High Transmit Power]
power
2) Adj item: [Low], [Low'],
(Battery
[Center], [High'], [High]
voltage :
PTT: Press [Transmit] button.
7.5V)
Press [Apply All] button to
store the adjustment value.
3. Low
1) Adj item: [Low Transmit
transmit
Power]
power
2) Adj item: [Low], [Low'],
(Battery
[Center], [High'], [High]
voltage
PTT: Press [Transmit] button.
:7.5V)
Press [Apply All] button to
store the adjustment value.
4. Balance
1) Adj item: [Balance] Devia-
1
tion meter
LPF : 3kHz
*1
HPF : OFF
*2
2) Adj item: [Low], [Low'],
[Center], [High'], [High]
PTT: Press [Transmit] button.
Press [Apply All] button to
store the adjustment value.
[2kHz Sine Wave Check box]:
Check while transmitting
change to 2kHz.
Measurement
Test-
Unit Terminal Unit Parts
equipment
f. counter
Panel ANT
Measurement
Test-
Unit Terminal Unit Parts
equipment
Panel
Power
Panel ANT
meter
Ammeter
Power
Panel ANT
meter
Ammeter
Deviation
Panel ANT
meter
Oscillo-
scope
Adjustment
Method
Panel FPU
[V] indicator on the PC
[<][>]
window shows VCO
lock voltage.
Change the adjustment
value to get VCO lock
voltage within the limit of
the specified voltage.
Note:
Confirm the VCO lock
voltage approximate-
ly 3 seconds after the
adjustment value is
changed.
[FPU]
155.100MHz
[<][>]
Adjustment
Method
Panel [FPU]
Write the value as followings.
[<][>]
1
Press [Apply All] button to store the adjustment
value after all adjustment points have been ad-
justed.
Panel [FPU]
5.0W
[<][>]
Panel [FPU]
1.0W
[<][>]
Panel [FPU]
The Deviation of
[<][>]
20Hz frequency is
fixed.
Change the 2kHz ad-
justment value to be-
come the same
deviation of 20Hz
within the specified
range.
Specifications
/Remarks
2.4~2.6V
Press [Apply All]
button to store
the adjustment
value after all
adjustment
point have been
adjusted.
155.099767~15
5.100233MHz
(±1.5ppm@
155.1MHz)
Specifications
/Remarks
±0.2W
2.0A or less
Press [Apply] button to
store the adjustment
value whenever each
adjustment points have
been adjusted.
±0.05W
1.0A or less
Press [Apply] button to
store the adjustment
value whenever each
adjustment points have
been adjusted.
2kHz Tone deviation is
within ±0.2dB of 20Hz
tone deviation.
Press [Apply All] button
to store the adjustment
value after all adjust-
ment points have been
adjusted.
(No.RA035<Rev.001>)1-37

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