Super Star 360 FM

Cobra 140GTL
Midland 79-900
Realistic TRC-450
Robyn SB505D
SBE LCMS-8/LCBS-8
Teaberry Stalker XV, XX
Tram D80/D300

I make a special EPROM expansion board that will add 4 more bands to many radios that use either Binary or BCD programming, it also adds a 10KHz shift function as well, click here to find out more.

It will give 1 band down, 1 band up, UK 40 (up 64 channels without Alpha ch hops), NZ 40 (down 63 channels) and 10KHZ shift.

On a 40 channel radio it will give coverage from 26.335 to 28.005 (including the normal low,mid and high bands of 26.515-27.855), that is a total of 167 channels !

I can also make a custom board upon request which will give whatever frequency range you want (within the limits of the radio).


Adjustment


Test equipment required:
Power Supply: 13,8 VFrequency CounterDummy Load 50 ohmOscilloscope
RF Power MeterDC AmperemeterRF SSGAF SSG

Preparation alignment:
FineMid.
ClarifierMid.
SQ GAINMax.
AF GAINMax.
RF GAINMax.
MIC GAINMax.
NB/ANLOff
MID Band, Ch. 19Frequency: 27.185MHz
Reading PointConditionAdjustmentProcedure
PLL
IC3 Pin 8-Check10.2400MHz
TP1RX AML14Maximum on Oscilloscope
TP2RX AML154 Volt
TP3RX AML16Maximum on Oscilloscope
OSCILLATOR
TP5RX CWL4710.6950MHz
TP5RX USBL4810.6925MHz
TP5RX LSBL4910.6975MHz
TX AMVR627.185MHz
TP3RX AML4016.9400MHz @ HIGH Band - Ch. 19
TP3RX USBL4116.9425MHz @ HIGH Band - Ch. 19
TP3RX LSBL4216.9375MHz @ HIGH Band - CH. 19
TP3RX AML3116.4900MHz @ MID Band - Ch. 19
TP3RX USBL3216.4925MHz @ MID Band - Ch. 19
TP3RX LSBL3316.4875MHz @ MID Band - CH. 19
TP3RX AML2216.0400MHz @ LOW Band - Ch. 19
TP3RX USBL2316.0425MHz @ LOW Band - Ch. 19
TP3RX LSBL2416.0375MHz @ LOW Band - CH. 19
RECEIVER
RX USBL3Maximum
RX USBL4Maximum
RX USBL5Maximum
RX USBL6Maximum
RX USBL7Maximum
RX USBL8Maximum
RX USBL17Maximum
RX USBL18Maximum
D2RX USB
NB/ANL On
L1Noise Blanker
D2RX USB
NB/ANL On
L2Noise Blanker
RX FML9Maximum
RX FML10Maximum
RX FML5FM Diskriminator
TRANSMITTER
TP9 (+) TP7 (-)TX USBVR1110mA
TP9 (+) TP8 (-)TX USBVR1050mA
TX AML64Maximum
TX AML65Maximum
TX AML66Maximum
TX AML67Maximum
TX AML54Maximum
TX USB/LSBVR4Modulator Balance
TX AMVR114 Watt (Max. 10 Watt) RF Power Output
RF Power MeterTX AMVR8"5 Watt"
TX AMVR790% AM-Modulation
TX FMVR32 kHz FM-Deviation
S-MeterAMVR1"9"
RX AMVR2SQ Set
VR5
VR12

Microphone Connection

PinDescription
1Ground
2Microphone
3TX Key (Connect to Ground)
4(Speaker - Not in use)

Modification

Connect MB8719 Pin 8 to GND to get new Channel`s. Disconnect Yellow wire (top of CH9 switch) from Rotary Switch PCB. Connect Yellow wire to IC3 Pin 8. Disconnect Pink wire on CH9 switch (bottom of CH9 switch) and connect it together with White wire on CH9 switch (midle on CH9 switch). CH9 switch can now be used as switch for extra channels. Re-adjust L15 so the VCO oscillates properly on all channels.


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