Radio Check Section - Kenwood NX-320 Series Service Manual

NX-320

Radio Check Section

Item
Panel test mode
1. Frequency 1) CH-Sig: 1-1
check PTT: ON
2. High 1) CH-Sig: 1-1
power PTT: ON
check
(Batt: 7.5V)
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
(Batt: 7.5V)
2) CH-Sig: 2-1
PTT: ON
3) CH-Sig: 3-1
PTT: ON
42
ADJUSTMENT (K TYPE)
Condition
PC test mode
equipment
1) Test Channel f. counter Panel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
PTT: Press
[Transmit] button.
1) Test Channel Power meter
Channel: 1 Ammeter
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
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.
Measurement
Test-
Unit Terminal Unit
ANT
F1: 450~520MHz (K,K2,K3)
F2: 400~470MHz (K4,K5,K6)
Adjustment
Specifi cations /
Parts Method
Check an internal F1
temperature of 485.099940~
radio from 20˚C to 485.100060MHz
26˚C. (±0.125ppm
@485.1MHz)
F2
435.099946~
435.100054MHz
(±0.125ppm
@435.1MHz)
Check 4.0W~6.0W
2.1A or less
0.7W~1.3W
1.1A or less
Remarks