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Old 1st November 2006, 08:18 AM   #4391
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by rowemeister


Bit of a student drink there my friend LOL

Brent
Any cider other than Magners is wrong and dirty. lol
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Old 1st November 2006, 10:10 AM   #4392
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Default Re: Re: Re: Re: Re: Re: Help!!!

Quote:
Originally posted by 6h5c


I had more or less the same experience a while ago, when I compared the SA8400 and CD67. I thought the 8400 was missing something, but when I switched back to the 67 I heard it was there, only the CD67 lacked a lot of extra info. So it was the other way around: the 8400 gives more detail and definition, so it seems the stuff that was already there with the 67 is moved to the background, or is less loud. If it is possible, you should take your player to a friend and listen to it on other equipment. That way you can establish a new reference-point for comparing things. Or buy a cheap CD53/57 and listen to it unmodded . That also puts things into perspective .

Ray
Mornin'
That's fact, I am looking for a CD53 on eBay (why buy a CD63 to remove the HDAM ?)... I can get the CD52 SE from my friend, does this player is a good match? Maybe I should have an hear on his CD52SE/PM...SE/JMR Twin.
I'll try to unmod some this 'noon, maybe bypass the 3 more inductances since last mod.
Thanks for support Guys
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Old 1st November 2006, 10:17 AM   #4393
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Quote:
Any cider other than Magners is wrong and dirty
You've never lived till you've had a skinful of Natch's

(Actually cider is one good reason to live in Somerset -and Natch's falls pretty low on the scale)
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Old 1st November 2006, 10:46 AM   #4394
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by martin clark
You've never lived till you've had a skinful of Natch's

(Actually cider is one good reason to live in Somerset -and Natch's falls pretty low on the scale)
Hmm, I'll just take your word for it (not a cider fan at all). And perries...ugh! lol Magners is tasty tho

Ordered some 330uF and 470uF Black Gates last night, and a 10uF. These will replace the 4700uF Pana FCs and Cerafines currently employed to decouple the DAC dig, DAC ana, dacclock ref., servo dig, servo ana, decoder dig, decoder ana. I think this will be better, and these particular BGs are fairly keenly priced. I'll let you know...

Simon
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Old 1st November 2006, 10:56 AM   #4395
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Quote:
Originally posted by SimontY


Hmm, I'll just take your word for it (not a cider fan at all). And perries...ugh! lol Magners is tasty tho

Ordered some 330uF and 470uF Black Gates last night, and a 10uF. These will replace the 4700uF Pana FCs and Cerafines currently employed to decouple the DAC dig, DAC ana, dacclock ref., servo dig, servo ana, decoder dig, decoder ana. I think this will be better, and these particular BGs are fairly keenly priced. I'll let you know...

Simon
Cider is very nice BUT!!! it has to be a good non branded one. Magners is ok.
None of this Strongbow or woodpecker pish.

BG all the way baby, give them a few weeks to settle in and you will get a lush sound that produces music with ease.

Brent
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Old 1st November 2006, 11:48 AM   #4396
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Come on Simon tell us more about the blackgates, or just mail me at subs757@msn.com. Ill do a comparison test also in the CD63ki.

Simon can u tell me more about the HF coax mod from transport bd please, i couldnt see any thread info in here. Maybe i searched incorrectly. Im looking at doing this mod at the weekend so info is appreciated.

By the way, the bleed resistors in the PSU you built are they necessary as the caps do not really need a discharge path post regulator as its low voltage. Maybe something i dont know ?

Simon do you own a scope ???
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Old 1st November 2006, 12:26 PM   #4397
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Quote:
Originally posted by ImSparticus
Come on Simon tell us more about the blackgates, or just mail me at subs757@msn.com. Ill do a comparison test also in the CD63ki.

Simon can u tell me more about the HF coax mod from transport bd please, i couldnt see any thread info in here. Maybe i searched incorrectly. Im looking at doing this mod at the weekend so info is appreciated.

By the way, the bleed resistors in the PSU you built are they necessary as the caps do not really need a discharge path post regulator as its low voltage. Maybe something i dont know ?

Simon do you own a scope ???
Simons ripped the bleeds out now, he saw the error of his ways .

Brent
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Old 1st November 2006, 12:34 PM   #4398
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Quote:
Originally posted by ImSparticus
Come on Simon tell us more about the blackgates, or just mail me at subs757@msn.com. Ill do a comparison test also in the CD63ki.
Sorry, I think you misunderstood my message. There's no special deal. I just meant I'll post my listening results, when I've done the upgrade.

Quote:

Simon can u tell me more about the HF coax mod from transport bd please, i couldnt see any thread info in here. Maybe i searched incorrectly. Im looking at doing this mod at the weekend so info is appreciated.
I'm such a bodger I'm not the best person to advise, but I can say it's worth doing if you're looking for reduced "digital edge".

You take the signal from the RF amp pcb under the transport. Looking at the service manual it appears you take it from just before the 2nd to last pin of connector J102. If I remember correctly there's a handy jumper you can lift and solder to, which will handily disconnect the original wiring. Probably best to solder the shield of your coax somewhere on this board too.

The other end you solder to R501, I believe. Obviously you lift this at the end closest to the transport. I soldered in an RCA plug but this is messy, I don't particularly recommend doing this. There are surely better and neater methods to make it detachable.

Quote:

By the way, the bleed resistors in the PSU you built are they necessary as the caps do not really need a discharge path post regulator as its low voltage. Maybe something i dont know ?
Well I snipped the resistors and intend to leave them that way. The suspected oscillation appears to have calmed down at least a bit. The bleed resistors were only pre-regulator. Just a slightly unnecessary precaution against up to 16,000uF at 25v (depending on psu).

Quote:

Simon do you own a scope ???
Yes, but it's old and I don't really know how to use it.

Simon
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Old 1st November 2006, 04:57 PM   #4399
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Lightbulb I need money & holidays...

Good evening gentlemen,

I've tried my Philips DVP5500S, a very good CD/SACD/DVD/Divx player for the money (130 when new, less than 100 when at his end, 25 for me on eBay). I've checked forums and reviews for what is said about the CD playback. They say quite good player.
Then came the fight : CD53 modded PCB only (upgraded components as the Ray's list and the chosen OpAmps are LM4562). versus stock DVP5500S (wich show a very very small (how it can be so small!!) pcb with JRC 4560...
CD53 is more clear and more true, words are more articulated and the picture is drawn with a thiner pencil, more precise.
But the Philips does very well indeed, even if lack of transparency, it works quite well.
My feeling is that the work done on this CD53 from mid '90 just overtake a little a new player... That means the standard CD53 loose versus the Philips, and I think it is quite normal after so long time... but I guess what I modded is just the base mods in order to fully take advantage of bigger ones.
About my thought lost bass, no level diffrence between the players, so this may be in my mind, the records seems the same on both players. (I've tried to undo some mods, but seems no big change from the last big upgrade... maybe it's all in my head...).
So here are my feeling now:
My actual speakers and amp won't show the improvments on the CD player any further. They are too weak.
My room, known as my main sound problem, kills the sound, so the improvments are also.
The LM4562 get burnt, and they do not show bass as much as my AD8620 did.
My CDP needs days to burn in.
I need holidays and to change my mind.

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.


About the wise way to do, I now have no more money to afford disc now and then, so what's the use of having a top player if none the amp and speaker, worst room, can't take advantage of the CDP? System should be balanced, that's why I think I won't go any further right now, as the mods cost me... many times the Philips! I'll see to get a good amp, then find some used but high end speakers. Maybe I'll go for Raygulators for long cold winter's nights.

As you see I'm in trouble, so any coments, even negatives, are welcome. Thanks again all of you!
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Old 1st November 2006, 05:45 PM   #4400
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Simon thanks for info, i knew there was no deal, just wondering exactly which type BG's u got.

I may have a decent scope for sale soon, i have some tektronix stuff im working on at the moment.

Ill explore the HF mod later, im away in glasgow but i got the 63 manual with me, sad i know ! lol

Dennis
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