| Author |
Message |
John Keiser
Guest
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 Posted:
Wed Feb 09, 2005 1:03 am Post subject:
Perplexing CD Player Problem |
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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.
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Mark D. Zacharias
Guest
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| Posted:
Wed Feb 09, 2005 8:29 am Post subject:
Re: Perplexing CD Player Problem |
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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@verizon.net> wrote in message
news:Y18Od.14707$Dc.4515@trnddc06...
| Quote: | 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.
--
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John Keiser
Guest
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| Posted:
Wed Feb 09, 2005 8:41 am Post subject:
Re: Perplexing CD Player Problem |
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Thanks. I don't have a 'scope but I'll try a conservative bit of lube and
see if it clears things.
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Peter Lehmann
Guest
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| Posted:
Wed Feb 09, 2005 10:52 pm Post subject:
Re: Perplexing CD Player Problem |
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John Keiser wrote:
| Quote: | Thanks. I don't have a 'scope but I'll try a conservative bit of lube and
see if it clears things.
Hi John, |
as far as I know Matsushita/Technics uses Philips CD-drives.
At that time that were drives with a tonearm guide for the optical unit.
So, there ist nothing to lube. And bad news, the tonearm drives are not
longer available for spare parts :-(
73
Peter |
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True american Zero
Guest
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| Posted:
Thu Feb 10, 2005 3:17 am Post subject:
Re: Perplexing CD Player Problem |
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Try a bought CD ! See what it tells !
Cheers |
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William R. Walsh
Guest
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| Posted:
Sat Feb 12, 2005 6:02 am Post subject:
Re: Perplexing CD Player Problem |
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Hi!
Try reseating all the cables in the unit. I have a Technics SL-P101 which I
assume to be similar to your unit. It was exhibiting the same exact problem
until I pulled and then reseated all the cables going to the "drive"
assembly.
The player has been rock solid ever since.
William |
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