Hey everyone,
I got myself a very nice old radio. A Cobra 134. Market find. The thing powers and transmits and receives, just very very low. Nothing more than 1 or 2 S-units on receive and no more than around 200mw power output or less on output. It's so low on the transmit that i can't even calibrate my meter, when I attempt to calibrate the needle only goes up about 1/4 of the way up with the calibrate knob at max.
Driver final and pre driver are okay. Relay was checked over for bad contacts and that was eliminated as a possible cause.
Currently using a schematic for a 138 as I can't find anything for the 134. Not sure how good of a guide this will be. Would really appreciate any info on this chassis.
If someone knows of another radio that uses this same chassis "PC-003A" let me know.
Much appreciated for any help!
I got myself a very nice old radio. A Cobra 134. Market find. The thing powers and transmits and receives, just very very low. Nothing more than 1 or 2 S-units on receive and no more than around 200mw power output or less on output. It's so low on the transmit that i can't even calibrate my meter, when I attempt to calibrate the needle only goes up about 1/4 of the way up with the calibrate knob at max.
Driver final and pre driver are okay. Relay was checked over for bad contacts and that was eliminated as a possible cause.
Currently using a schematic for a 138 as I can't find anything for the 134. Not sure how good of a guide this will be. Would really appreciate any info on this chassis.
If someone knows of another radio that uses this same chassis "PC-003A" let me know.
Much appreciated for any help!