fault w'hites M6 help

[asolone]

hi
I have a M6, after a long period of fallowing is completely unstable
tx signal is ok 14Khz
rx signal ok
demulator sinal is stable (74hc4053)
coil is ok
What could have happened?
someone can help me?

[WM6]

hi
I have a M6, after a long period of fallowing is completely unstable
tx signal is ok 14Khz
rx signal ok
demulator sinal is stable (74hc4053)
coil is ok
What could have happened?
someone can help me?

How do you know that coil is ok? Maybe shielding is broken somewhere.

[asolone]

I tried other coils and the defect continues to be

the signals are stable input to the PIC 16c76, the converted signal from the LTC1446 is very unstable!!!

[WM6]

Look at this Spectra schematic from Russian site. I think there a lot of similarities in front-end, cause same coils used. Maybe it can help you:

http://www.md4u.ru/download/file.php?id=13331