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Old 27th July 2008, 12:21 AM   #1521
kevinkr is offline kevinkr  United States
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Quote:
Originally posted by dantwomey

This appears to be the correct datasheet.

What I 'think' this transistor does is 'regulate' the 8V supply down to 5V for the circuits that require this voltage.

Regards,
Dan

It's an external pass transistor for the chip based regulator circuit. The transistor is inside the regulator error amplifier feedback loop.
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Old 27th July 2008, 12:24 AM   #1522
kevinkr is offline kevinkr  United States
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Quote:
Originally posted by Erik van Voorst
The weight of 1 gram in action....(if you build one yourself try to lift the weight and notice how the sound changes.)...

Interesting Erik, I wonder if this external force acting on the sled is reducing backlash in the gear train, if such were the case it might make the sled drive servo work less hard, and reduce tracking servo activity as well. Worth trying I think. I've ordered the cd clamp and will try this upgrade in conjunction with that. (sequentially)
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Old 27th July 2008, 01:38 AM   #1523
quan is offline quan  Australia
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Hi ,has any tried the cd clamp. How do you remove the original platter? i have tried with my bare hands but afraid it will bend the spindle, and the small gear puller is not easily accessible.
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Old 27th July 2008, 08:02 AM   #1524
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Yes I have tried it out with a "failure" Clearaudio Delrin puck (exentric)

I removed the original plastic platform with a dremel (small drill with a cutting wheel) because with bare hands I think it will be
risky to do damage in my opinion.

I made from a small piece of wood an exact measure between mounting platform and cd. (approx. a tenth of a small pencil)

I used my drill chuck to slowly press it home...till the cd hits the wood....

The part with the drill chuck still bothers me because there is a load of preasure......

When Roy sends me a proper puck I will use a diffrent method

Beware there is a snag...it is after mounting impossible to reach the 2 small screws...so mount it on your final rig
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Old 27th July 2008, 08:04 AM   #1525
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Thanks to the low price of the boombox I can do loads of experiments before choosing to install it on my "piTbull"
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Old 27th July 2008, 09:32 AM   #1526
kanifee is offline kanifee  United Kingdom
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Erik im really enjoying your work.
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Old 27th July 2008, 03:12 PM   #1527
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Okay for my fans...

Today I managed to finish
"The Doghouse" for my "piTbull"....

Here I am cutting the last wall......
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Old 27th July 2008, 03:14 PM   #1528
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If you enjoy more detail pics you can look at the dutch forum...


http://www.htforum.nl/yabbse/index.php?topic=76211.0
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Old 28th July 2008, 09:19 AM   #1529
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Hi,
Just finished my latest CDp, tried to be different with the design this time...
Just painted MDF and acrylic here..
Thinking of calling it "The Tombstone", ideal for playing "The Grateful Dead."..
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Old 28th July 2008, 09:20 AM   #1530
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A view from the rear...
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