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does the relay click when you key the radio? is it stuck in some mode between RX and TX? if the relay is not switching when you key the mic or is it a constant clicking. there is a diode right by the relay that can go bad and cause some problems also. forget just what number it is. but it sets right beside the relay. also check the am,fm,switch and see if you have voltage from it in each location as you turn the control.you may have a dirty switch not putting power to the main board for each mode. as Robb stated you need to start checking voltages to see what has power and what does not.
it may be time to take it to some one that knows what to look for. these old radios are prone to have the old VR's go bad could be why you do not have voltage to the finals and driver.

[QUOTE="sonoma, post: 583726, member: 756"] does the relay click when you key the radio? is it stuck in some mode between RX and TX? if the relay is not switching when you key the mic or is it a constant clicking. there is a diode right by the relay that can go bad and cause some problems also. forget just what number it is. but it sets right beside the relay. also check the am,fm,switch and see if you have voltage from it in each location as you turn the control.you may have a dirty switch not putting power to the main board for each mode. as Robb stated you need to start checking voltages to see what has power and what does not. it may be time to take it to some one that knows what to look for. these old radios are prone to have the old VR's go bad could be why you do not have voltage to the finals and driver. [/QUOTE]

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