Perplexing CD Player Problem
in [Repair]
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From: John Keiser on 8 Feb 2005 14:03 I have a 14 year old Technics SL-PG100 which has given good service. Just lately, when I try to play a CD the player notes the number of tracks and but is unable to start on track 1. Usually it will start if I skip to a later track. It then plays fine and will cycle through track 1 on repeat. These home-made CDs played fine a month ago. Bought CDs seem more relaible. I opened the case and everything "looked" fine. No dust. Lens shiney. I manually cleaned the lens [with a photo camera lens kit] but problems persists. Diode power fading? Other guess? Is there a likely "simple" tweak that might fix this? Thank you. -- Remove -NOSPAM- to contact me.
From: Mark D. Zacharias on 8 Feb 2005 21:29 I find lots of these types of problems are solved with routine maintenance - cleaning, lubing the parts involved, etc. Specifically, I would lube the shaft of the spindle motor, and clean and relube the sliding surfaces or wormscrew. If it uses a wormscrew there may be a belt that needs changing - but these haven't been used in about 15 years or so. Don't mess with any adjustments - this would most likely compensate (poorly) for whatever is really wrong. The only exception would be the focus offset adjustment, and only then if you have a 'scope to observe the waveform. Mark Z. "John Keiser" <john.keiser2(a)verizon.net> wrote in message news:Y18Od.14707$Dc.4515(a)trnddc06... >I have a 14 year old Technics SL-PG100 which has given good service. Just >lately, when I try to play a CD the player notes the number of tracks and >but is unable to start on track 1. Usually it will start if I skip to a >later track. It then plays fine and will cycle through track 1 on repeat. >These home-made CDs played fine a month ago. Bought CDs seem more >relaible. > > I opened the case and everything "looked" fine. No dust. Lens shiney. I > manually cleaned the lens [with a photo camera lens kit] but problems > persists. > > Diode power fading? Other guess? > > Is there a likely "simple" tweak that might fix this? > > Thank you. > > > > -- > Remove -NOSPAM- to contact me. >
From: John Keiser on 8 Feb 2005 22:51 Thanks. I don't have a 'scope but I'll try a conservative bit of lube and see if it clears things. -- Remove -NOSPAM- to contact me.
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