{Collins} KWM-2 & 312B-5

Hello to the list.
The problem is my 312B-5 just now does not work as a 2nd rcvr / xmiter?
I have checked the connx twice & my son has checked them also.
The tube, 6au6, appears to be OK.
Any suggestions would be appreciated.
John, W5FFS
CCA member

Sponsored by the Collins Collectors Association http://www.collinsradio.org
Nets: Tues: 3.805 Mc-2000 Central / Thur: 3.875 Mc-2000 Central
Fri: 3.895 Mc-2000 Pacific / Sun: 14.263 Mc-2000 UTC
1st Wed (of the month) AM Net 3.880 Mc-2000 local (ET, CT, MT, PT)
Sun AM Net: 29.050 Mc-1200 Central

This archive was generated by a fusion of Pipermail (Mailman edition) and MHonArc.