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Old 29th December 2006, 05:16 PM   #5201
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PolyPhenylene Sulphide? I'm a star now =)
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Old 29th December 2006, 05:32 PM   #5202
AndrewT is offline AndrewT  Scotland
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Hi,
now that we know that pps=poly etc.
Tell us if they are worth using.
I have rarely if ever seen them at or near the top of a "recommended for audio" listing.

What characteristic do they have that makes them attractive?
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Old 29th December 2006, 05:56 PM   #5203
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Damn I've be unmasked : yes guy, I know nothing about electronics but that they do well in my CD53 =)
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Old 29th December 2006, 08:12 PM   #5204
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by marcusdeming
If i am not mistaken, this is more impt for the circuit at the DAC and opamps right?
Yep, that's correct.

Quote:
Originally posted by AndrewT
Hi,
now that we know that pps=poly etc.
Tell us if they are worth using.
I have rarely if ever seen them at or near the top of a "recommended for audio" listing.

What characteristic do they have that makes them attractive?
These are caps with a dielectricum that has very good properties, much better compared to X7R and MKT. Only NP0 and MKP can compete with some parameters, but they are not always available in SMD or 'big' values like 100n. I use them a lot for local decoupling, the 1913 SMD size fits nicely on the back of the PCB where a 5mm pitch ceramic used to be. I posted a table here that gives an overview.

Ray
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Old 30th December 2006, 03:42 AM   #5205
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by the way can i check how you guys remove the white tape linking the pcb to the lcd panel.

I have been soldering and desoldering with that white tape linking to the lcd all these while.
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Old 30th December 2006, 07:52 AM   #5206
6h5c is offline 6h5c  Netherlands
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That white tape is a flatcable; you can pull it out of the connector if you like. Hold it firmly on both the left and right side and wiggle it upwards a bit. Then it should come out.

Ray
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Old 30th December 2006, 08:22 AM   #5207
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Quote:
Originally posted by 6h5c
That white tape is a flatcable; you can pull it out of the connector if you like. Hold it firmly on both the left and right side and wiggle it upwards a bit. Then it should come out.

Ray
so i can pull it off the side that is on the pcb right..?

Regards.
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Old 30th December 2006, 08:56 AM   #5208
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Yes it just slides out, the connector to the transport comes apart in a similar way. Just pull up the two tags either side of the transport ribbon to the main pcb.
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Old 30th December 2006, 03:26 PM   #5209
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the flat tape connecting to the transport have got a catch when u push it up it will come out, but for the one linking to the cdp i dun see any catch/lever.

Therefore i am somwhat worried if it will come of if i exert more force on pulling it.
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Old 30th December 2006, 09:07 PM   #5210
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The display ribbon to the main pcb is only a pressure fit, just gently work it out, there is no catch on that one, but there is on the player transport were it connects to the main pcb as you have rightly discovered.
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