VCO
Item Condition
Measurement Tuning
Specification/Remarks
Test Instrument Terminal
Part Method
1. Power Supply
1. Power supply
voltage DC 13.6V
Note: 1.
This radio can only be installed in negative grounding electrical system.
Reverse polarity will cause the cable fuse to blow
. Check the vehicle ground
polarity before the installation to avoid wasted time and effort.
2. If
DC power is to be controlled by the vehicle ignition switch, a switch relay
should be used to switch the positive power lead. The vehicle ignition switch the
controls DC to the relay coil.
2. VCO Lock
Voltage (Tx )
1.CH: TX HI
Digital Voltmeter CV
TC1
VHF:6.0V±0.1V
UHF:6.0±0.1V
2.CH: TX LO Check
＞
1.0V
3. VCO Lock
Voltage (Rx)
1.CH: RX HI
TC2
VHF:6.0V±0.1V
UHF:6.5±0.1V
2.CH: RX LO Check
VHF
＞
1.2V
UHF
＞
1.0V
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