| Author |
Message |
    
Urbain1955
New member
Username: Urbain1955
Post Number: 1
Registered: 12-2011
| | Posted on Monday, December 05, 2011 - 1:36 pm: | 
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Hi everybody,
I recently purchased a Madison. This thing has perfect TX but no RX at all. I already checked the audio chip = OK, the C186 = Ok, and the 3 diodes near the antenna plug. Everything seems ok, but still no RX. Can anyone advise me on how to find this error ?
73's from Belgium, Europe |
Dale
Senior Member
Username: Dale
Post Number: 1793
Registered: 12-2002
| | Posted on Tuesday, December 06, 2011 - 9:44 am: |
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well im no tech and sounds like ya checked
the things i would have thought of. i am gonna
say make sure your mic is wired correctly. im
thinking if ther mic not wired correctly you will lose RX.id also try another mic. really
all i got .hopefully someone else will chime in
dale/a.k.a.hotrod
cef426
cvc#64
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Dale
Senior Member
Username: Dale
Post Number: 1794
Registered: 12-2002
| | Posted on Tuesday, December 06, 2011 - 9:58 am: |
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i just re-read my first post and noticed your
post mentioned it had perfect TX.gotta coulpe questions 4 ya
1/doess it show a signal but no audio outta speaker
2/no needle movement ,no audio from speaker
if its the first this may help.
hook up a cheap set of head phone on the ext.jack on back of set. if this fixes it then
your speaker is bad or may need resoldered.
dale/a.k.a.hotrod
cef426
cvc#64
|
Urbain1955
New member
Username: Urbain1955
Post Number: 2
Registered: 12-2011
| | Posted on Tuesday, December 06, 2011 - 12:06 pm: |
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- Speaker is OK, I hear hissing sound.
- Mike is wired correctly, switch from RX to TX is OK, and indicated with green/red LED
- there is no signal detected, the RF meter does not move
- scratching the antenna connector with the cable gives a faint scratching sound, but very very weak. When I do this on my president washington my eardrums hurt...
- switching from AM to FM clearly gives a typical FM noise, but there's no reception of any kind
- when I modulate with another transceiver 1 meter from the madison, I have a very weak signal, but when a few meters away, nothing more. |
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