Question about Cobra 148 GTL 120-Channels Base CB Radio
Check tr 51 (Q 51) the sb754 on the back side mounting of the radio.. the center pin (collector) of this modulator ic should not be 13 volts. my bet is that it is.. this test is done in am mode.. not sideband.
depending on you carrier setiing it should be between 3 -8 volts any higher in am mode and my bet is that its bad... much more common than the finals in this radio. good luck Rick
Posted on Jan 30, 2009
I purchased "NEW" 2995dx from Pacetronics. The box was clearly repacked and taped back up. I immediately asked Ranger and Pacetronics for "NEW" exchange unit. NO! so I sent to Ranger service to correct low power and transmit output. BUT SSB is still distorted, transmit audio drops sharply below 6 setting. I am Elderly and disabled, on fixed income, what will fix this? PIMAS
Posted on May 30, 2010
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