Kenwood NX-5200 Service Manual

1-44 (No.RA018<Rev.002>)
4.8 Common Section
4.
MIC
sensitivity
check
1)CH-Sig: 1-1
AG: 1kHz
PTT: ON
1)Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
AG: 1kHz
PTT: Press [Transmit] button.
Deviation
meter
Oscillo-
scope
AG
AF VM
Panel ANT
Univer-
sal con-
nector
Adjust AG
input to get
a standard
MOD.
12.5mV
±5.8mV
5.
Sensitivity
check
1)CH-Sig: 1-1
SSG output
Wide:
-117dBm
(0.32μV)
(MOD:
1kHz/±3kHz)
Narrow:
-117dBm
(0.32μV)
(MOD: 1kHz/
±1.5kHz)
1)Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
SSG output
Wide: -117dBm (0.32μV)
(MOD: 1kHz/±3kHz)
Narrow: -117dBm (0.32μV)
(MOD: 1kHz/±1.5kHz)
SSG
AF VM
Oscilloscope
Distortion
meter
8Ω Dummy
load
Panel ANT
Universal
connector
Check 12dB SINAD
or more
Item Condition Measurement Adjustment Specifica-
tions
/Remarks
Panel test
mode
PC test mode Test-
equipment
Unit Terminal Unit Parts Method
Item Condition Measurement Adjustment Specifications
/Remarks
Panel tuning
mode
PC test mode Test-
equip-
ment
Unit Ter-
minal
Unit Parts 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.
Receive
Assist
1) Adj item:
[RAST]
Adjust:[****]
2) Adj item:
[Low1]
→
[Low2] →
[Low3] →
[Center1] →
[Center2] →
[Center3] →
[High1] →
[High2] →
[High3]
Adjust:[****]
Press [ ] key
to store the ad-
justment val-
ue.
1) Adj item:
[Receive Assist]
2) Adj item:
[Low1]
→
[Low2] →
[Low3] →
[Center1] →
[Center2] →
[Center3] →
[High1] →
[High2] →
[High3]
Press [Apply All] but-
ton to store the ad-
justment value.
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[←],
[→]
[PC test mode]
[Automatic Adjust-
ment]
1) Press [Tune Assist
Voltage] button.
2) Press [Apply All] but-
ton to store the adjust-
ment value after the
automatic adjustment
has finished.
[Manual Adjustment]
[V] indicator on the PC
window shows VCO lock
voltage. Change the ad-
justment value to get
VCO lock voltage within
the limit of the specified
voltage.
Note:
Confirm the VCO lock
voltage approximately
3 seconds after the
adjustment value is
changed.
2.0V±0.1V
[Automatic Ad-
justment]
After the automatic
adjustment is per-
formed, verify that
the VCO lock volt-
age is within the
voltage range
which is specified
by the manual ad-
justment.
[Manual Adjust-
ment]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point have been
adjusted.
Note:
The assist adjust-
ment value must
be between from
340 to 3550.

Kenwood NX-5200 Specifications

General

IP Rating	IP67
Zones	128
GPS	Yes
Bluetooth	Yes
Voltage Range	7.5V DC ±20%
Operating Temperature	-30°C to +60°C
Frequency Range	136-174 MHz
Battery Life	14 hours (Digital mode)
Digital Protocol	NXDN, DMR
Display	LCD