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D55T Laser diode replacement

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Post time 2017-02-25 19:42:48 | Show all posts |Read mode
It's a SONY D55T has reading issue. Inspection indicates the laser is aging. So in this repair I'll show you how to replace a laser diode.


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 Author| Post time 2017-02-25 19:46:22 | Show all posts
su

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Post time 2017-05-15 11:39:14 | Show all posts
Kaosun, I suggest that you move all such "tutorials" in one place, maybe under Repair Service. For those who do not know (yet) that you are the only Authority in Discman repair, seeing how you resurrect dead PCDPs will be a revelation.
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 Author| Post time 2017-05-15 13:31:20 | Show all posts
Sure, I'll find a time to resort them. THX!
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 Author| Post time 2018-10-01 20:07:20 | Show all posts
It's weird! It looks like a kind of totem???

The vertical lines indicate the oxidized lens inside of the lens. You'll replace all the aging optical components, cleaning ordinary doesn't work to them.
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 Author| Post time 2018-10-10 23:03:11 | Show all posts
Aging optical components are quite common on this laser. From other KSS110 threads here, you can see the comparison of aging component with working one. Color changed from purple to yellow.
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 Author| Post time 2018-10-10 23:08:15 | Show all posts
http://www.kaosuncd.com/forum.ph ... &extra=page%3D2

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Post time 2024-03-28 17:35:11 | Show all posts
Hi Kaosun,

My D-303 RF waveform appears just like this one. Would a replacement optical pickup help fix this?

Thanks,

Adam
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 Author| Post time 2024-04-10 09:38:16 | Show all posts
ajanuszkiewicz replied at 2024-03-28 17:35
Hi Kaosun,

My D-303 RF waveform appears just like this one. Would a replacement optical pickup hel ...

If you have a spare SF89 laser, why not replace it for a try before sending it to me?
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