Vco; Transmitter - HYT TM-610 Service Manual

VCO

Item
1.Power
1. Power Supply
DC 13.6V
1.CH: TX HI
2.VCO Lock Voltage
(Tx )
2.CH: TX LO
1.CH: RX HI
3.VCO Lock Voltage
(Rx)
2.CH: RX LO

Transmitter

Item Condition
4.TX
Not enter tuning item,
but switch to CH2
Frequency
Each CH corresponds
to a specific TX freq;
5. TX
enter items " TXHIGH" ,
Power ' TX LOW"in turn, and
press [P4] to enter
" _C" , " _L" , " _H"and
Measurement
Condition
Test Instrument
supply:
Note:
1. The radio can only be installed in negative grounding electrical system.
Reverse polarity will cause the cable fuse to get blown. Check the vehicle
ground polarity before installation to avoid wasted time and effort.
2. If the DC power is controlled by the vehicle ignition switch, then the power on
procedure is controlled by the input control pulse signal of the car ignitor.
Digital Voltmeter
Digital Voltmeter
Measurement
Test
Instrument
Radio
Communication
Test Se
Radio
Communication
Test Set
Ammeter
Terminal Part
CV TC701
CV TC702
Tuning
Terminal Part
ANT VR801
Press [P4] to
save settings
and move to the
ANT
next item. Note:
tuning VR101 is
necessary for
67
TM-610 Service Manual
Tuning
Method
6.1V± 0.1V
5.0V± 0.1V
5.1V± 0.1V
4.0V± 0.1V
6.0V± 0.1V
Check
6.0V± 0.1V
4.0V± 0.1V
6.5V± 0.1V
Check
Specification/Remarks
Method
Tune channel
Error<50Hz
frequency
High Power:
Check High Power
PO=25± 2W
I≤7.0A
Check Low Power
High Power:
Specification
Remarks
TM-610U1
TM-610U2
TM-610U3
TM-610U4
TM-610U6
TM-610U5
TM-610U7
TM-610V
＞1.0V
TM-610U1
TM-610V
TM-610U3
TM-610U4
TM-610U6
TM-610U5
TM-610U7
TM-610U2
＞1.0V