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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: Unusual hum and strange static sound posted by JoshT on February 13, 2017 at 12:15:15:
Looking at the Owner's manual on Vinylengine, it seems that one must cue the arm manually, to start, but that at the end of the disc it cues itself up automatically. Is that right?
If this is the case, then there's a motorized cueing actuator in there somewhere. It seems the cueing might be all done by the actuator, the lever just being in effect a switch that turns on the actuator. Look for bad grounds in the switches and actuator.
Does the the audio output mute when the cueing goes to the up position? I saw a muting switch on the schematics. Is it working? If so, there's another spot to look for grounding problem.
Ground connections wer out, get corroded, fall off, etc. One thing that has worked for me has been to connect a separate length of wire at the connection of the phono ground wire to the preamp, strip the other end a tiny bit, and go around touching the various metal bits of the turntable until the hum/noise is cut. You can then dig in and find the bad ground or defective component.
The Service manual is on Vinylengine, I looked briefly but, man, it is totally inscrutable to my brain.
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Follow Ups
- RE: Unusual hum and strange static sound - mr.bear 02/13/1721:25:58 02/13/17 (1)
- RE: Unusual hum and strange static sound - JoshT 20:34:08 02/14/17 (0)
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