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Old 29th June 2006, 11:02 PM   #1031
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Is your laser adjusted correctly?

The voltages on Mick's website work for me. The values always depend of the height of the spindle. It shouldn't be much higher than the cover. Also, don't try to push it too hard or it will go too low(There's a click produced when it happens, and I think that if you have a CDM that never was touched, it should be OK)
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Old 29th June 2006, 11:54 PM   #1032
phn is offline phn  Sweden
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I doubt there's any problem with the laser. I have two very nice consoles. The problems I have with the PSX are largely mirrored by the DVD player.

I just tested the fourth, the problem, track on the Head Hunters CD. Seems to work more or less perfect on the PSX. When I used the remote and skipped to the track, it missed the first 10-20 seconds. This probably sounds bad. But it really isn't, at least in light of how troublesome it often is. It wouldn't have missed the begining had I played the disc from start. It played the track without stuttering.

I then tried it on the DVD player. This is not a cheapo player. It's a Pioneer and quite highly regarded as a CD player. The track stuttered as mad from about 20 to 37 second marks. So the problem evidently is the CD. Or if it's not the CD, it's at least not unique to the PSX.

The really annoying thing is that it might play perfect tomorrow and some CD players have no problem at all. I have no love for digital formats.
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Old 30th June 2006, 02:04 AM   #1033
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Seems like your mains power has a lot of RFI or problems.
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Old 30th June 2006, 06:42 AM   #1034
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Hi Mike_F

Excellent information on the remote power
supply mod ! Great site !
Wonder if adding some big caps in the PS1 case
empty space would improve the power supply
at all or could overheat it ! How hot does the
PSU get in you remote case? Does it have any vents?
Also adding an IEC RF/EMI line filter at the connection
to the new mains lead; could it help some AM radio
stations have less problems? Perhaps reducing the cables
to 5 for the power supply but using the extra two for
a nice blue led on the PS1?

Regards

Anthony_PT
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Old 30th June 2006, 10:44 AM   #1035
Mick_F is offline Mick_F  Germany
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Phn,

indeed, a system that will not play the fantastic head-hunters CD is a serious problem!
I happen to have the remastered version as well, and all tracks run without problems. Are you sure your CD is not scratched?


Anthony,

actually two of your suggestions are part of what I am currently working on. I am testing a set of RC lowpass filters placed in the former SMPS position in order to buffer the 7.6 and 3.6 V supply lines. I use a set of 2200 uF caps and 75 R resistors. I will report later how it works.

My PSU case has no ventilation, not even holes. It is a metal case of about 1900 cm3 (i.e. rather small). I leave the unit always on and I never had any problems (I used a similar case for over a year before I made the new recasing recently).

Finally, I was also thinking about including a RFI filter unit into the PSU case. There is plenty of space there. I think this is a good idea, at least to protect other linear units in your system against the mains noise produced by the SMPS.

Mick
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No statement here.
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Old 30th June 2006, 02:22 PM   #1036
phn is offline phn  Sweden
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Antoine, RFI? I know what it is. But would you like to elaborate?

Mick, there's a scratch mark on the CD and on the fourth track. But there seems to be scratch marks on most of my CDs. I didn't even know. This is the first time I really checked.

Like your PSU.
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Old 30th June 2006, 08:37 PM   #1037
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Oops! Not RFI, EMI. -> Maybe noise is the mains ending in the PSX's DC lines. Maybe the power is clean sometimes, and sometimes not.
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Old 1st July 2006, 04:32 AM   #1038
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HI
I was thinking after you take out the SMPS from the PS1
the two buttons on the top become redundant.
I maybe look into a thin aluminium skin
to cover over the left side of the player. Perhaps have two
skins made up, one for the left and one for the right either in black or one of those anodised lacquer colours, Do the same for the lid too! Difficulty is to make it tasteful.

I also saw an 1gig ITX motherboard stuffed into a PS1 box.
So why not a sorted PS1 feeding a VIA EDEN ITX motherboard
in a PS1 Greystation with an Allocator electronic crossover feeding
through a Maya1010 8 channel PCI card going into another PS1 case with six or eight D amp inside.

Actually you might need a few more PS1 shells (use 9002s as the innards are not in the 1002 league,) People would say,Why do you have so many playstations?

http://www.mini-itx.com/projects/playstationpc/

Regards

AnthonyPT
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Old 1st July 2006, 04:41 AM   #1039
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Starts being unuseful having a PS when doing this... Why not just use an EPIA and read CDs in DAE mode? That guy would have impressed me only if he would have used an IDE CD-ROM CDM udner the cover and actually be able to read CDs with it.



The two buttons can still be used if you fit a custom PCB with the original buttons where the SMPS was. Anyways, you'll need new buttons for the SMPS itself so there's no problem.
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Old 5th July 2006, 05:09 PM   #1040
johnm is offline johnm  United Kingdom
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Hi everyone!

Have come to this thread a litttttlllleee late (at 100+ posts!) but am so glad I did. 10+ years ago when I was studying at University I put my playstation through my system to amplify my games. The system was an Arcam Alpha 3 amplifier (still a great little amp once the cheap caps replaced with Black Gates) and Celestion One budget speakers. Just for fun I played a CD through it and was stunned how good it sounded. Being honest in some ways (particularly involvement) it sounded much better than my Rotel RCD-965BX which was my much-loved source at the time. Kept it set up for a week or so then convinced myself I was imagining this - a Playstation couldn't sound any good! Not wishing to lose any Hi-Fi 'cred' I soon forget about it.... More fool me....

Fast forward to last week and I discovered this thread. To cut it short I got my Playstation out again, plugged in the AV - phono plugs adaptor and connected it up to my Audiosector Gainclone. I was floored! Playing Elton Jonh's Goodbye Yellow Brick Road I couldn't believe the dynamics this thing has. Snare hits were like bullets and had exactly the qualities you get from the real thing. No overhang at all - very fast. I was also amazed at how this thing can handle bass, and sub-bass. Bare in mind I use for day-to-day use a Naim CDI (which to be fare at 15 years old probably needs the caps changed by now so is not performing at it's best!). Well the Playstation sounded MUCH more exciting, and yet accurate and exceptionally incisive - this thing CUTS to the heart of the recording and gets rid of a layer of mush that is usually there with most other CD players. It's a great way of rediscovering one's CD collection. I also use a Shanling CD-T80 with RCA NOS output valves and OPA627 op-amps, but I couldn't hand on heart say it sounds any better than the Playstation. The Playstation sounded ALOT more involving and exciting, but perhaps just a tad to harsh at times lackign the Shanling's refinement. Having just spent a two-day weekend at the London Hyde Park Calling festival listening to Roger Waters perform The Dark Side of the Moon, and The Who amongst others that 'live' sound was still very much in mind. The playstation is just very realistic - period. This is also the maligned SCPH-9002 model with no mods! Needless to say I have a 1002 on it's way to me now, along with a pair of Black Gate 'N' 4.7uF 50v caps and 22k resistors!

Another plus point is how rich music sounds - not warmth but genuine body. Instruments possess their proper 'signature' - piano is a great example of this - sounding lovely and full, and yet with a rich 'bloom' to the sound which eludes alot of digital gear.

As Mick mentions on his great website I found the support made a great difference which surprised me. I am using an SRM-Tech perspex platform - Sorbothene pads rest between both perspex layers, and the bottom perspex layer in turn has four spikes to ground vibrations. This sits on an old sound organisation hi-fi rack. Without this the unit sounded so-so, but it really came into it's own on this support.

Been listening to it solidly all day, and it's still surprising me and in some instances - when the recording is a good one - honestly startling me with it's fire-cracker dynamics! So, I will keep this later model stock, as I like the sound so much, and will mod. the earlier model which should arrive this week and will write up my findings. It's a shame most people will never get to hear this quality of sound as they are either preconditioned (as I was) to thinking it CANNOT sound any good therefore it isn't, or it just doesn't cost enough etc etc etc.

I would just like to thank everyone here for opening my eyes to this games console's ability! Truly stunning. I can only imagine what the earlier 1002 model will sound like with Mick's output stage mods. I can't wait. Now back to the music....

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