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Cobra 29 LTD Classic. 2-way 40 channel CB radio. Features antenna warning indicator, SWR calibration, instant Channel 9, PA capability, dimmer control, switchable noise blanker and RF gain.

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keys 4watts no forward swing

cobra 29ltd classic keys 4 watts no forward swing.new mic new final new ic chip tda2003 new driver

Update (12/21/2016)

I don't know about a d104 but the d11 has been removed by me it has no modulation so it will not swing forward

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If it is not ic3 more than likely it will be ic1 pll chip .have had several with key up but no modulation output and it turns out to be the pll chip.

have you tried a different microphone

yes mic was good. I got it tr17 shorted thanks

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1个答案

Was the D104 diode clipped or removed? If not, remove the whole diode... If this is not removed, you won't get full modulation or watts. It must also be peaked to match the new driver and final.

This is just off the top of my head without you providing final and driver information, also assuming you upgraded the CB.

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