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Cobra 148 Replacing the MB8719 PLL | Radioaficion Ham Radio

Cobra 148 Replacing the MB8719 PLL

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Cobra CB Radio MODEL(s):  148


DESCRIPTION: Replacing the MB8719 PLL chip with an MMB8719.

ACTION: Replace the following additional parts:


  • Change C85 to 33pF
  • Change C86 to 39pF
  • Change C88 to 100pF, type C0G or NPO
  • Change C111 to 0.1µF
  • If L501 is installed, short it.


ADJUSTMENTS:
Realign the PLL section.


NOTES: None.

March 16, 2004                    Cobra TECHNICAL SERVICE

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