Joe - you may want to check out Garey's CD service manual for the 2B at: http://www.k4oah.com/Drake_new7/2-B.html
73 - Dino KL0S On Jun042011, at 2346 PM, Joe Connor wrote: > Today, I picked up a very beat-up Drake 2B at a garage sale, and I need some > help and advice: > > 1. The set works well on 80m and 40m but does not seem to work well on 10m, > 15m or 20m. What should I be looking at to diagnose the problem? Am I correct > in suspecting the crystals for those bands? (For the record, I had to replace > the 6U8, which had lost vacuum, and I have to replace the 6BF6, which tests > bad). I used a signal generator and could get a signal through on 10m, 15m or > 20m only intermittently. I tried several different 6U8s. > > 2. Eventually, I would like to use this receiver for SWLing. Can anyone > recommend a source for crystals? Anyone have any extras for sale? > > 3. Are there any other known issues with the 2B or any suggested mods that I > should be aware of? > > 4. Are there any diagrams showing the numbers of the the coils and > transformers used for alignment. For example, the manual says to adjust L-9 > as part of the crystal oscillator alignment. How do I know where L-9 is? > > As always, thank you for your advice and guidance. > > > Joe Connor
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