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Old 21st December 2006, 10:08 PM   #5181
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by martin clark
Offer to etch the turkey too, & see how far that gets you

Oof, a dirty look BARE MINIMUM!
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Old 22nd December 2006, 01:22 PM   #5182
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Quote:
Originally posted by 6h5c
No, you need a scope for that. You can monitor the HF signal at R105 (TP13) and adjust the current with the small trimpot that's on the flexfoil of the laserunit. If you remove the three screws that hold the transport and tilt it >90 degrees, you can easily reach the trimpot after you take out the drawer, without having to disconnect anything. Then pop the drawer back in and measure again to see the result of the adjustment.

Ray
I find the same problems with the VAM laser on the 63,67 & 6000.
Yes the 6000 is easily sorted with the cap but to get the laser perfect in the 63 and 67 you need to adjust grating. The grating is not supposed to be adjusted but i find it cures it. The grating is adjusted by the two grub screws on the laser

If you are doing it blind (no scope) adjust one screw 1/4 turn in one direction and test the tracking, if it gets worse turn back and if it gets better turn further to test etc. One screw will not make much difference (can't remember which one).

Brent
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Old 22nd December 2006, 04:47 PM   #5183
6h5c is offline 6h5c  Netherlands
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Ah, thanks Brent, just like the good old Pioneer units .
Maybe i'm going to give it a try. Is there also a way of measuring it? I remember with the Pioneers you had to look at the EF balance signal or something like that, and watch for a small pulse to appear on the scope.

Regards,

Ray
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Old 22nd December 2006, 06:25 PM   #5184
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My Xmas gift:
http://dl-3.free.fr/52616e646f6d4956...velleVague.zip

Please not this is Apple Lossless codec.

Edit : this have been deleted from the server... they caught me!!
I'll find a way...
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Old 22nd December 2006, 08:27 PM   #5185
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by SimontY
hahaha, Christmas eating, yum!

Nice job there Ray, it looks as neat as we expect from you. Is it similar to Disco's pcb?

Simon
Thanks Simon. Yes, it's similar, the circuit is about the same. I included the voltage regs on the PCB and altered the current sink a bit.

Ray
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Old 23rd December 2006, 11:06 AM   #5186
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Quote:
Originally posted by 6h5c
Ah, thanks Brent, just like the good old Pioneer units .
Maybe i'm going to give it a try. Is there also a way of measuring it? I remember with the Pioneers you had to look at the EF balance signal or something like that, and watch for a small pulse to appear on the scope.

Regards,

Ray
Off the top of my head im not sure of the point to test. To be honest I usually just do it without a scope

Brent
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Old 24th December 2006, 08:09 PM   #5187
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Merry Christmas everyone and a happy new year



Brent
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Old 24th December 2006, 09:54 PM   #5188
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happy christmas all, thanks for all the info over all the posts, its been so helfull. Have a happy new year and hope all your mods come true
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Old 25th December 2006, 08:15 AM   #5189
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http://dl-1.free.fr/52616e646f6d4956...53TOCD63.KKDZO

Here is my gift again, please take it now!!
Rename archive as .tgz and it will work. Inside is Apple Lossless codec disc.
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Old 25th December 2006, 08:58 AM   #5190
6h5c is offline 6h5c  Netherlands
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Wow, 342MB!!

Merry X-mas to everybody. May 2007 be a very audiophile year!!

Ray
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