LesComm

Lester's Custom Truck Shop

United States

Tech Notes

Tech Notes will be posted here.

NOTE: ON ALL KITS, RADIO MUST BE IN ORIGINAL CHANNEL CONFIGURATION. ALL CHANNEL MODS MUST BE REMOVED AND COMPONENTS RETURNED TO ORIGINAL CONDITION.

 

UNIVERSAL KIT NOTES

-For the 919, 929 and 979, A13 must be pulled high (+5volts).

-For the 8719-97 PLL radio's, A14-only must be pulled high (+5volts).

 -In the 919, 929, 979, a pull down resistor is required on PLL pin 10, P6. Add a 10k ohm resistor between pin 10 and ground.

COBRA KIT NOTES

COBRA KITS ARE NOT PLUG AND PLAY

- In the Cobra's, you must replace the MB8734 PLL with an MB8719 PLL for the board to work.

-For the Cobra 148GTL, A15 must be pulled high (+5volts). This should already be done.

-On the Cobra 148GTL, a pull down is required on pin 10. Add a 10k ohm resistor between pin 10 and ground. **Not necessary on boards assembled for Cobra's after 1 Aug 09. Resistor has been integrated onto the board.

979 using the 15.480 stock crystal.

Band

A - 26.815 - 27.255

B - 27.265 - 27.705

C - 27.715 - 28.155

D - 28.165 - 28.605

*E - 28.615 - 28.725 on ch 1-10 

 

Ranger, Galaxy & Cobra radio's using the crystal in the kit;

Band

A - 26.065 - 26.505

B - 26.515 - 26.955

C - 26.965 - 27.405

D - 27.415 - 27.855

*E - 27.865 - 27.965 on ch 1-10

* With 5 Position Band Switch.

** On the Cobra's, due to an error in the manufacture of the crystal, the 10kc switch becomes a DROP 10kc switch.

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Lester's Custom Truck Shop

United States