Common Section - Kenwood NX-5700 Service Manual

Vhf digital transceiver
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4.8

Common Section

Item
Condition
Panel tuning
mode
1.
1) DC voltage:13.6V
Setting
2) SSG standard modulation
[Wide] MOD:1kHz,DEV:3kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2.
1) Adj item:
1) Adj item:
Receive
[RAST]
[Receive Assist]
Assist
Adjust:[****]
2) Adj item:
2) Adj item:
[Low1]→
[Low1 RAST]→
[Low2]→
[Low2 RAST]→
[Low3]→
[Low3 RAST]→
[Center1]→
[Center1 RAST]→
[Center2]→
[Center2 RAST]→
[Center3]→
[Center3 RAST]→
[High1]→
[High1 RAST]→
[High2]→
[High2 RAST]→
[High3]
[High3 RAST]
Adjust:[****]
Press [
] key
to store the ad-
justment val-
ue.
Press [Apply All] but-
ton to store the ad-
justment value.
3.
1) Adj item:
1) Adj item:
Transmit
[TAST]
[Transmit Assist]
Assist
Adjust:[****]
2) Adj item:
2) Adj item:
[Low1]→
[Low1 TAST]→
[Low2]→
[Low2 TAST]→
[Low3]→
[Low3 TAST]→
[Center1]→
[Center1 TAST]→
[Center2]→
[Center2 TAST]→
[Center3]→
[Center3 TAST]→
[High1]→
[High1 TAST]→
[High2]→
[High2 TAST]→
[High3]
[High3 TAST]
Adjust:[****]
PTT: Press
PTT: ON
[Transmit] button.
Press [
] key
to store the ad-
Press [Apply All] but-
justment val-
ton to store the ad-
ue.
justment value.
1-46 (No.RA020<Rev.002>)
Measurement
PC test mode
Test-
equip-
ment
Adjustment
Unit
Ter-
Unit
Parts
minal
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[←],
[→]
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[←],
[→]
Specifications
Method
[PC test mode]
2.5V±0.1V
[Automatic Adjust-
[Automatic Ad-
ment]
justment]
1) Press [Tune Assist
After the automatic
Voltage] button.
adjustment is per-
2) Press [Apply All] but-
formed, verify that
ton to store the adjust-
the VCO lock volt-
ment value after the
age is within the
automatic adjustment
voltage range
has finished.
which is specified
[Manual Adjustment]
by the manual ad-
[V] indicator on the PC
justment.
window shows VCO lock
[Manual Adjust-
voltage. Change the ad-
ment]
justment value to get
Press [Apply All]
VCO lock voltage within
button to store the
the limit of the specified
adjustment value
voltage.
after all adjustment
point have been
Note:
adjusted.
Confirm the VCO lock
voltage approximately
Note:
3 seconds after the
The assist adjust-
adjustment value is
ment value must
changed.
be between from
340 to 3550.
[PC test mode]
2.5V±0.1V
[Automatic Adjust-
[Automatic Ad-
ment]
justment]
1) Press [Tune Assist
After the automatic
Voltage] button.
adjustment is per-
2) Press [Apply All] but-
formed, verify that
ton to store the adjust-
the VCO lock volt-
ment value after the
age is within the
automatic adjustment
voltage range
has finished.
which is specified
[Manual Adjustment]
by the manual ad-
[V] indicator on the PC
justment.
window shows VCO lock
[Manual Adjust-
voltage. Change the ad-
ment]
justment value to get
Press [Apply All]
VCO lock voltage within
button to store the
the limit of the specified
adjustment value
voltage.
after all adjustment
point have been
Note:
adjusted.
Confirm the VCO lock
voltage approximately
Note:
3 seconds after the
The assist adjust-
adjustment value is
ment value must
changed.
be between from
340 to 3550.
/Remarks

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