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KSS-213 laser family
KSS-213 laser family
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Old 11th March 2010, 04:19 AM   #11
AleksandarRus is offline AleksandarRus  Macedonia
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Yes,i tried to replace a KSS-213 VS with KSS 213-V and dont work.Know someone why?The cd start rotating about 3 seconds and stop,then the display shows "no cd".Maybe the new laser is broken but the same problem exists and with the pld laser KSS 213 VS.Some experience with this problem?tnx
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Old 24th March 2010, 11:29 PM   #12
tiefbassuebertr is offline tiefbassuebertr  Germany
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Location: D-55629 Schwarzerden
Originally Posted by djcl.ear View Post
My CD player uses KSS-213C laser, and I have also tested KSS-213B just to get simmilar results(sound,playability,etc).

A local supplier told me that whichever laser from the KSS-213 family could be replaced for any of that same number... and that the letter aside the 213 means that the higher the word(closer to Z), then the more versatile the laser; allowing for more accurate reading of different brands of CD media. He also pointed out that newer portable, rugged CD players commonly use higher word coding lasers.

After thorough web search(Google, Copernic, Sony's site), I found very little info and no specification whatsoever...
I did found the KSS-213F that comes with a nice dust protection cap and also saw the existence of KSS-213V.

Recently, an electronic tech who does repairs, told me that KSS-213B was the best of the whole lot and that some KSSs could not be used in disrespective machines...

Any better clue?

check out this thread:
Sony KSS213C
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Old 1st September 2012, 02:42 AM   #13
Mulato is offline Mulato  United Kingdom
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Ho there , can anyone tell me witch mechanism cd slot in the kss 213q uses ?

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Old 23rd October 2014, 02:55 PM   #14
Chungalin is offline Chungalin
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I have something to add about KSS-213E that usually passes unnoticed. Under the lens and on top of the "hole" where the mirror/prism, laser diode and photodiode are placed, there is a small transparent glass (or plastic) square cover that prevents dust from entering and settling down in the mirror. I havenít found this feature in any other KSS pickup. I found this highly interesting, since these pickups are 100% cleanable, not just the lens, but the insides too.

To see it and clean it one must remove the top black cover, and then slip a slim q-tip between the iron frame in order to reach the glass. I think that all KSS-213E players that came for repair to me where fixed just cleaning both lens and glass.

But beware, Iím talking about ORIGINAL pickups included in Sony compact HiFi and alike sold in the late nineties and first 2000. Iím sure that clone pickups will not carry this protective glass.

On the other hand, why itís so difficult (or impossible) to find optical pickup datasheets? Any brand... Itís so easy for other electronic components, but not for pickups.
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Old 18th July 2018, 03:24 PM   #15
Decru is offline Decru
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Default doubts on Arcam CD73 with KSS-213C

Hello everybody.
Sorry for bringing up an old thread and thanks for this one and the others explaining Sony laser technology.
The pickup on my Arcam CD73 started to be more and more picky lately so I decided to replace it and bought a KSM-213CCM assy. I mounted it following service manual and realized I had no great improvement. As per the service manual, I tried to get the same voltage as stated on the pickup label but I couldn't, while with the old pickup the voltage was exactly the same. Now I would like to buy a new pickup of a different letter and try if I can get more compatibility. Which one do you advise? would a or KSS-213D or KSS-213F be better?
The vendor of KSM-213CCM I have bought says I shouldn't have moved the potentiometer on the pickup at all and that the CD should have a service mode to be used to set the voltages but nothing is mentioned in Arcam service manual so I assume it sets up automatically.
Any advice?
Thanks in advance
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Old 18th July 2018, 03:35 PM   #16
Mooly is offline Mooly  United Kingdom
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KSS-213 laser family
If you have fitted a replacement and found the fault symptoms haven't changed at all then you have to question whether there is another issue.

Isn't the Arcam prone to failure of the electrolytic caps in the power supply (drying out and bulging etc) ?

The preset on the pickup is factory set and should not normally need adjustment. As with any fault-finding on a CD player an oscilloscope is an essential item of test equipment and is used to look at the signal from the pickup.
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Old 18th July 2018, 04:10 PM   #17
Decru is offline Decru
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To clarify: I'm not saying laser replacing didn't change anything at all, but the difference is low, and negative. The CD starts reading the TOC, takes longer than it is supposed to and sometimes fails to read printed disc without any scratch or obvious defect.
i've checked the capacitors and I can't see any sign of wear but I would be more than happy to replace them and solve if that's the issue.
I read a lot of threads and I know many times the laser looks as the obvious issue but it's not but thisplayer got the laser replaced in the warranty period (2005) so I suspected it was faulty again.
I don't have an oscilloscope but I would buy a cheap one to learn the basics, can you advise one?
Last thing: I would also try another laser type, just to see if it makes any difference (it's cheap and easy to try), do you have any advise.
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Old 18th July 2018, 05:36 PM   #18
Mooly is offline Mooly  United Kingdom
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KSS-213 laser family
You should really replace the laser with the exact same type that was originally fitted. I don't know what the differences between the different versions of KSS213 are although historically (on other KSS pickups) there were differences between the lens suspension characteristics such as stiffness etc.

The most cost effective type of oscilloscope for general servicing has to be an older analogue type of at least 20Mhz bandwidth. Cheap digital scopes (and certainly the cheap USB types) are no good at all for this kind of work.

Sony CDP790 and KSS240 Restoration Project
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