Re: Hmv 650
The radio responded well to RF alignment, albeit only slight tweaks were needed. The magic eye deflection increased a little bit but not enough to make me happy. I could have messed around with the biasing or altered the ratio of the two 2.3M potential dividers R13 and R14 that determine the Y63 grid voltage. Instead I swapped the Y63 for a NOS CV51 (Y65) that only requires half the grid voltage for FSD. It still won't deflect fully but is good enough. I will probably disable the silent tuning feature because it is irritating when tuning around on SW. Other than that, it's a fantastic set and I am delighted with it. It's going to take a while to sort out the cabinet but I'll post some pics when it's done. P.S. in Post #1 I said the PSU/PA chassis was the lower chassis; In fact it's the top one. Cheers, Jerry
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