I just picked up a Cobra 29LX BT for 100$ that has a 520 Mosfet tuneup and a TIP120 variable power mod. According to my meters, the carrier output is no more than 2 watts max but swings 15. The variable is connected to the RF Gain pot and with the power turned all the way down it has no carrier at all almost like sideband. Does anyone have an idea of what could cause this? The guy I bought it from mentioned that they replaced the modulation transformer as well (don't know why). The radio get's out fine and talks loud.
Also is it normal that the RF power meter on the actual radio does not move down or up when you modulate or turn the power down?
Any help would be appreciated, thanks
Also is it normal that the RF power meter on the actual radio does not move down or up when you modulate or turn the power down?
Any help would be appreciated, thanks