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Technics SL-Z1000 laser unit
Technics SL-Z1000 laser unit
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Old 13th March 2009, 05:46 PM   #11
opteron is offline opteron  Poland
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Today I have bought the laser diode (correct I think). At end of next week should be done. If this be working I'll write about that.
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Old 21st March 2009, 03:44 PM   #12
opteron is offline opteron  Poland
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Unfortunately the diode 780nm isn't work properly and is much more visible to the eye than original. The CD want to read TOC but this not success. The strange is that inserting the DVD disc :-) is want to read them exactly like CD and after one hour still trying. I think that laser wave is too short. I was replace diode again to the previous and working fine. I don't have more money to investigate what if put there 805nm. Maybe in future... If somebody want to try a suggest to watch for internal laser connecting there are 4 types with photodiodes.

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Old 17th May 2009, 10:30 AM   #13
amc184 is offline amc184  New Zealand
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Technics SL-Z1000 laser unit
I'm selling a SOAD70A on eBay, you can see it here .
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Old 25th June 2009, 10:53 AM   #14
sasasebi is offline sasasebi  Hungary
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Hi everybody,
As I see many hi-fi fanatic are struggling same problem like me worldwide. I have an old Technics SL-PS 840 cd player in blameless condition but It needs a new SOAD70A laser pick up. Therefor if anybody know where and how can I get a new one, please inform me. I dont' wanna lose it!
Thanks, mates
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Old 19th March 2014, 06:34 PM   #15
linuxguru is offline linuxguru  India
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SOAD-70A is nearly impossible to find new, but apart from the high-end players SL-P777, SL-P999, SL-Z1000 and others listed earlier, it was also used in some low-end Technics players e.g. SL-PJ27, which may be easier to locate for parts/spares.

In my experience, the laser diode and sled assembly will outlive the other electro-mechanicals - the problem parts are:

1) Spindle motor driver IC - AN8377 (replace)
2) Bypass capacitors (2) - 100uF/6.3V Panasonic KF (replace with miniature low-ESR caps)
3) Carbon-track coarse track-positioning sensor (clean with IPA)
4) Tray-motor pulley belt and sticky pulley (replace belt and lubricate pulley with a dash of silicone grease or WD40).
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