The diode audio limiter is detecting when your audio levels are too high and clips the audio waveform, limiting the strength of the signal before it is further amplified by your audio amplifier. When the diode audio limiter is working, it is therefore helping eliminate static and pops that are annoying, and keep you from clearly hearing the desired signal.
SOURCE: audio limiter
tintlady, here is the info you requested;
the AM limiter is R 276
These are the variable adjustments inside,and what they control.
VR-1 AM S-METER
VR-2 SSB S-METER
VR-3 SSB SQUELCH RANGE
VR-4 AM SQUELCH RANGE
VR-6 SSB CARRIER BALANCE
VR-7 TX OFFSET
VR-9 RF METER
VR-10 FINAL BIAS
VR-12 DRIVER BIAS
VR-13 SSB ALC
VR-14 AM HIGH POWER
VR-15 AM MODULATION METER
VR-16 AM MODULATION
VR-17 SSB POWER
VR-18 AM LOW POWER
VC1-10.240 MHz Frequency adjustment
Hope this helps you out, let me know,,Mechanic
SOURCE: galaxy dx 979
send it to me for repair. it has a bad soldr joint somewhere it is a common problem on all galaxy radios. 40.00 plus 10 return shipping. i have an internet cb shop so you can watch me fix it. email me at [email protected] if you want it fixed
SOURCE: i need a part number for the 6 amp diode at the
6A2 is the part number for a 6 amp diode.
maybe this will help.
5 amp is SR575
3 amp is 1N5822
SOURCE: what is the color code for a galaxy 979 cb radio mike
# 1 shield
# 2 yellow
# 3 red
# 4 black
go to cbtricks.com the diagram is there.
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