[Drakelist] 2C Audio Problem

2010-01-12 Thread Gary Winkelman
My 2C has been working fine. This morning when I turned it on, the audio is rather loud, there's some hum that wasn't there, the AF Gain control has no control over the volume and when muted by my 2-NT the hum is louder through the speaker. When the AF Gain control is turned either full up

Re: [Drakelist] 2C Audio Problem

2010-01-12 Thread Garey Barrell
Gary - Quite likely a high ESR in C40, possibly and/or C48. Simply paralleling a capacitor of similar size across each one should resolve the problem. 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line TR-4/C Service Supplement CDs www.k4oah.com Gary Winkelman wrote: My 2C has been