Identifying optical pickups/ laser units - diyAudio
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Old 1st June 2005, 07:44 PM   #1
kora is offline kora  Ireland
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Default Identifying optical pickups/ laser units

Can anyone direct me to a list of CD players by manufacturer and model that details the transport used?
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Old 3rd June 2005, 05:59 AM   #2
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I could give you a list (by email) of the lasers in the repairs that have passed by me over time...only a few brands though.
Normally you will find the laser madel number (a sticker) inside the unit when repairing it. Why would you need this list?
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Old 3rd June 2005, 08:13 AM   #3
kora is offline kora  Ireland
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I have two CD players (Marantz CD4000 and Arcam alpha 8) with dodgy reading/playing behaviour, and the logical step is to replace the optical pick-up, which on these budget machines isn't cost-effective unless you do it yourself. The part number isn't at all obvious, on these units anyway, although thanks to the kind help of forum members like yourself I was able to identify them.

Also, knowing which units are obsolete is useful when considering buying a used player, which is probably too late if my Arcam CD23 decides to go the same way. Any insight into that one?
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Old 3rd June 2005, 03:26 PM   #4
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Maybe this can help:

http://hifi.nn.gx.cn/well/wellview.h...num=1&pernum=1
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Old 3rd June 2005, 06:05 PM   #5
Vidalgo is offline Vidalgo  Israel
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Another link
http://www.dcaudio.kgb.pl/dac.htm
Unfortunately. there are some mismatches....
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Old 4th June 2005, 01:09 AM   #6
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Hello again Kora,
I have access to some Arcam stuff.Not sure about the Marantz though...will see if I can get you the (full/part) Arcam service manual for yiour model and the parts list. Stay tuned...
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Old 24th June 2005, 08:04 AM   #7
dblack4 is offline dblack4  United States
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Try this

http://www.telemaster.ru/lazer/cd_mechanik.pdf#search='cdm4'
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Is that right!
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Old 24th June 2005, 11:11 AM   #8
kora is offline kora  Ireland
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Some list! Thanks.
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