11-24-2021, 08:26 PM
Working on the tuner chassis of my pretty much original 38-690; I have replaced 40 paper/wax and electrolytic capacitors (restuffed), and 10 out of spec resistors. Repaired a lot of veneer and refinished the cabinet. In addition, I have rebuilt the condenser coupler, replaced the tuner bushing, and the sub chassis isolators. And the dial.....
Questions that I have are-
The band mask slot for the broadcast band does not line up; the beam lens center is on the edge of the window- is there a way to adjust it? The others are ok.....the arm on the band switch is pot metal, so cannot be bent, and the arc shaped link can’t be adjusted.
The band knob (repro) swings from horizontal to vertical; is that correct?
The pointers on the 4 other knobs do not seem to point in logical directions ( not from 7 o’clock to 5 o’clock)- normal? All 4 knobs are the same part from what I can tell; two of the shafts are flatted on opposite sides, but installed either way, the pointer doesn’t swing symmetrically.
It was disassembled when I found it.
Questions that I have are-
The band mask slot for the broadcast band does not line up; the beam lens center is on the edge of the window- is there a way to adjust it? The others are ok.....the arm on the band switch is pot metal, so cannot be bent, and the arc shaped link can’t be adjusted.
The band knob (repro) swings from horizontal to vertical; is that correct?
The pointers on the 4 other knobs do not seem to point in logical directions ( not from 7 o’clock to 5 o’clock)- normal? All 4 knobs are the same part from what I can tell; two of the shafts are flatted on opposite sides, but installed either way, the pointer doesn’t swing symmetrically.
It was disassembled when I found it.
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