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Old 9th June 2006, 03:46 PM   #1001
phn is offline phn  Sweden
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Quote:
Originally posted by Mick_F
There is a very simple way to avoid the start-up tune: just don't switch the PS1 off. Mine is always on (since more that a year), and it is working fine and does not overheat or so.....

Mick
That's an option. I would think the most damaging thing you can do to electrical gear is turning it on and off. There are exceptions, of course, like monitors and TV sets.
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Old 9th June 2006, 08:52 PM   #1002
kec is offline kec  United States
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Quote:
Originally posted by Mick_F
There is a very simple way to avoid the start-up tune: just don't switch the PS1 off. Mine is always on (since more that a year), and it is working fine and does not overheat or so.....

Mick
That's actually not a bad idea Mick. They (whoever they are) say it's better to leave computers on as opposed to turning them on and off all the time - reducing wear on the PS I suppose. Being that the PS1 has a SMPS that would probably also apply.

My only question, is the laser continuously on too ????


-Ken
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Old 9th June 2006, 09:05 PM   #1003
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Depends for leaving things on, you put more wear on some parts and less on some the real problem is the startup rush current. If it can be reduced, then turning on and off makes no problems.

A way to remove the startup sound? Put some muting relays and make them unmute after a few seconds.


Also, from the free service manual of an other PSX I found, the 7.2v line is only used to feed a 7805. I wonder if PSU mods could be done around this...
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Old 9th June 2006, 09:27 PM   #1004
phn is offline phn  Sweden
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My light bulbs always go when I turn on the light. But there are probably pros and cons.

The laser turns off by itself.

I have been thinking of relays. But it's not so much the tune as the time delay. It's not a problem when I use my tube amp, which takes long enough to heat up that I don't notice it. Still, it's one of the things that I wouldn't mind getting rid of. I won't lose any sleep, though.
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Old 10th June 2006, 06:37 AM   #1005
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Hi
I like the mute idea using solenoids
How about a very simple mute/delay circuit
running off the 7805? Could it reset if the
reset button is pushed too? Startup is a bit of a pain
without a screen sometimes.(:-(( That little button get
pressed often! I supposed one of those little LCD Sony
screens would solve the operating in the dark problem.
Were they ever PAL ones? Did they throw out even more RF?

Regards

AnthonyPT
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Old 10th June 2006, 12:57 PM   #1006
phn is offline phn  Sweden
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AnthonyPT, hoping I get what you say right, if your PSX doesn't go to the CD menu when you insert a music CD, your PSX isn't right. There's no use for the reset button.

You can use any monitor with the PSX. There are cheapo mini monitors (something like 2-3") on eBay.
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Old 10th June 2006, 03:14 PM   #1007
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Hi
One of my SCPH1002s does go to the menu
only some of the time with CDRs. It sometimes gets
flustered with a burnt CD and without
a screen I have to use guesswork and
listen for what the Greystation drive
is doing with it! The PS2 clone remote is very
limited in PS1 mode, but convenient. Hence
a reset saves a lot a fooling about and
often fixes it and remember, without a
screen you have to know the keystrokes for
operation! Otherwise this unit is a great tracker;
no complaints there!

Hard to find cheap small used LCD screens
in OZ. Naturally it gets better as time goes
by. Have a few CBM 1804s Amiga monitors
but big and not for the bedroom where one of
my three running playstations (SCPH1002s)
lives and performs. Hence the LCD unit above
in the picture caught my eye. Get rid of the
speakers but the hinge might be useful (:-)).

Regards

AnthonyPT
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Old 10th June 2006, 06:44 PM   #1008
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OK, for the CD-R reading, all depends of your media and how old it is. Some CD-Rs have trouble working with some drives, and some cheap CD-Rs just lose their data with time and then only some drives will be able to read it. (Then it will just become unreadable)
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Old 14th June 2006, 01:05 PM   #1009
Mick_F is offline Mick_F  Germany
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As promised, I have updated the article on modification of the output stage of the PS1 on my website .

It now shows a different set of shielded wires going from the blocker caps to the RCAs.

Mick
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Old 15th June 2006, 03:06 PM   #1010
jives11 is offline jives11  Europe
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Quote:
Originally posted by Mick_F
As promised, I have updated the article on modification of the output stage of the PS1 on my website .

It now shows a different set of shielded wires going from the blocker caps to the RCAs.

Mick
OK Mick so when i tried to use very small diameter coax it just would not cooperate with me. bending the coax in a small area, through the hole and soldered to the cap seemed to put too much stress on the joint and the coax always fought back

So as well as being an excellent writer (in English) , diyer, and photographer, your other hobby is :
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