Question about Cobra 29 LTD CB Radio
Radio transmits and has modulation. the IC # 4 is blown. It has a short on # 1 pin .Which components feed power to the # 1 pin?
Hi and welcome to FixYa,
Initially, pls confirm that there is modulation (transmit audio). The reason I asked is if IC4 (TA7222P) is blown, then the radio would have no audio amplifier which would explain no receive audio. Additionally, the final and pre-final (TR15 & 15) gets is modulated TX+12 through D8 from T1 which in turn is the output of IC4 through C48.
Perhaps a schematic diagram may be of further help.
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Posted on Dec 18, 2008
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Posted on Jan 02, 2017
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