Radio Check Section - Kenwood NX-800 Service Manual

NX-800

Radio Check Section

Item
Panel test mode
1. Frequency 1) CH-Sig : 1-1
check PTT : ON
2. High power 1) CH-Sig : 1-1
check PTT : ON
2) CH-Sig : 2-1
PTT : ON
3) CH-Sig : 3-1
PTT : ON
3. Low power 1) CH-Sig : 1-1
check PTT : ON
2) CH-Sig : 2-1
PTT : ON
3) CH-Sig : 3-1
PTT : ON
4. MIC 1) CH-Sig : 1-1
sensitivity AG : 1kHz
check PTT : ON
50
ADJUSTMENT
Condition
Test-
PC test mode
equipment
1) Test Channel f. counter
Channel : 1
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
1) Test Channel Power
Channel : 1 meter
Test Signaling Ammeter
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
2) Test Channel
Channel : 2
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
3) Test Channel
Channel : 3
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
1) Test Channel
Channel : 1
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
2) Test Channel
Channel : 2
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
3) Test Channel
Channel : 3
Test Signaling
Mode : Analog
Signaling : 1
PTT : Press [Transmit]
button.
1) Test Channel Deviation
Channel : 1 meter
Test Signaling Oscilloscope
Mode : Analog AG
Signaling : 1 AF VTVM
AG : 1kHz
PTT : Press [Transmit]
button.
Measurement
Unit Terminal Unit
Panel ANT
Adjustment
Specifications/
Parts Method
Check an internal 0.3± 0.25ppm
temperature of radio +24.255Hz~
within 25˚C ± 2˚C.
+266.805Hz
@485.1MHz
Check 25W~35W
9.0A or less
21W~29W
9.0A or less
3.5W~6.5W
5.0A or less
Adjust AG input to Dev: 3kHz at
get a standard MOD. 5mV± 1mV
Remarks