Lafayette Guardian 6000 need service info

[FIXITNOW]

Lafayette Guardian 6000 stock number 99-35065W.

picked this up yesterday its got a bit of life on FM but not much else
6v battery and US 117v AC
anyone got any service info please

[Crackle]

There is a Guardian 6600 in the Radio Museum which has some service information.
http://www.radiomuseum.org/r/lafayette_g..._6600.html
The layout of controls looks similar so the chassis may be the same.

Mike