Realistic TRC-414
EXPO 100 EXPANDER
MODEL S- or S+
REALISTIC TRC-414 (LC7131 PLL)
Installation:
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1. |
Remove the covers from the unit and locate the ceramic filter labeled CF-2, located close to the PLL chip. Unsolder and remove CF-2 from the circuit board. |
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2. |
Solder the On Green wire into the hole of CF-2 that connects to capacitor C38, and resistor R42. |
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3. |
Solder the expanders White wire into the other hole of CF-2 connected to capacitor C41, and resistor R43. |
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4. |
Solder the small 100 pf capacitor (induded in kid across ceramic filter XF-1, located close to coil T4. Solder the capacitor across the outer pins of the filter. |
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5. |
Solder the expanders Red wire to the switched 13.8 VDC side of the ON/OFF switch. |
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6. |
Sold" the expanders Black wire to circuit board ground. |
Tuning:
* Power on the unit and tune the channel selector to channel 10. Tune coils T4, and T5, while switching the expander from low to high position.. Tune these coils for a compromise position of best receive. slightly adjust coils T2, and T3, for best results. Tune transmit coils L3, and L6, for best RF output.
AM POWER = JUMP DIODE D13 AMC = VR-5
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WARNING! This unit is Not Legal For Class D CB Use In The U.S.A.