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Grex Micros Item 138: Fix a Mac monitor and make $$$$$
Entered by raven on Mon Sep 25 03:59:48 UTC 1995:

        I just sold a friend of mine a Mac LCIII and 14" Color plus monitor.
When she got it home the monitor didn't work :-(.  Now the switch had been
mushy before so I'm hoping it's just the switch, however, the switch is
behind the tube, thus I need a reapir person with some expereince in 
electronics. I know it's not the video board on the computer because she
did manage to get it up and running on a friends monitor.  
I am willing to pay someone up to 15/hr to fix the monitor.  If you are
interested respond here, or send me e-mail to set up an appointment.

48 responses total.



#1 of 48 by cybrgirl on Tue Sep 26 19:51:41 1995:

Hi


#2 of 48 by raven on Tue Sep 26 22:38:43 1995:

        Hi, welcome to Grex.  Know anything about Apple monitors??


#3 of 48 by ajax on Wed Sep 27 03:51:35 1995:

You did try kicking it a few times, didn't you?  :-)


#4 of 48 by n8nxf on Wed Sep 27 14:22:17 1995:

If it's only a switch this should not be too difficult.  Do you have a new
switch to replace the existing one or are you looking for someone to 
"hack" something close?  Then again, most people think it's the switch
because it's the most complicated thing inside they can relate to ;-)


#5 of 48 by raven on Wed Sep 27 23:16:27 1995:

        Well it's probably also the fuse, my friend broke the fuse trying
to get it out.  I don't have a new switch or a fuse, if you are interested
in procuring these materials and donig the work for 15/hr please send me
e-mail.  Thanks


#6 of 48 by scg on Thu Sep 28 05:24:46 1995:

I had a monitor that I thought had a fuse or switch problem.  It turned out
that I was sort of right -- it had a short in the flyback transformer which
would blow a circuit breaker , or something like that, whenever power got to
it.  It would then reset itself, only to blow again immediately.


#7 of 48 by raven on Fri Sep 29 05:19:46 1995:

        Ummm does anyone want to take a look/test the monitor?


#8 of 48 by n8nxf on Fri Sep 29 14:48:07 1995:

If you'll deliver it, pick it up and are not in a hurry, I'll take a look
at it.  Why don't you just take it to some computer fix-it shop?  (MCRS?)


#9 of 48 by raven on Fri Sep 29 18:19:45 1995:

        The reason I don't take it to a fix it shop is I don't want to pay
50-100/hr to fix the monitor because it isn'tv worth that much money.  If
you can fix it for 10-15/r + parts ofcourse then it is worthwhile to fix
the monitor.  BTW thanks ofr the interest.  Send me e-mail with your address
and a good timne to drop it off and I'll arrange with my friend to drop it
off assuming 15/hr (maximum) + the cost of parts is agreeable to you.


#10 of 48 by raven on Fri Sep 29 18:21:48 1995:

        p.s. Klaus please include your phone # in the e-mail so my friend
can set up the apponitment as I don't have the monitor now.  Thanks again


#11 of 48 by raven on Sat Oct 7 04:53:58 1995:

        Klaus fixed my monitor.  I'm so relieved, and just wanted to say
thanks!!!


#12 of 48 by omni on Sat Oct 7 06:37:13 1995:

  I think Klaus could fix a rainy day, if he put his mind to it. ;)


#13 of 48 by n8nxf on Mon Oct 9 12:19:06 1995:

Your welcome and thank you.  I hope it doesn't give you any more problems.
 
(I found it most interesting that Gold Star made this monitor for Apple.)


#14 of 48 by alan on Wed Oct 11 02:14:37 1995:

What did you have to do , Klaus, to fix the monitor?


#15 of 48 by alan on Wed Oct 11 02:16:50 1995:

I have a Princeton vga which doesn't work nad another one which doesn't work,
I'm thinking of marrying them and having one which does. Any sage advice?


#16 of 48 by rcurl on Wed Oct 11 05:07:57 1995:

Don't they both have to work, to have offspring?


#17 of 48 by n8nxf on Wed Oct 11 15:14:16 1995:

All I had to do was replace the fuse.  Unfortunatly, with todays throw-away
mentality, the entire monitor had to be diassembled to unsolder the fuse
from the PC board!  They could have designed it to take board-mount fuse
clips, but no.  They had to save the 5 cents.  (Five cents adds up over several
thousand units you know...)  Raven had done some net-surfing and came to
the same conclusion I did:  The fuse used in this monitor is under rated.
The original was 2.5 amp and I replaced it with a 3 amp Slo-blo.  (The
degausing circuit pulls a fair amount of current on start-up.  the Slo-Blow
will allow the high, short duty current pulse to pass without taking the fuse
out over time.)


#18 of 48 by scott on Wed Oct 11 16:25:04 1995:

Not to mention that fuses sometimes get more sensitive over time, and
eventually blow under normal loads.


#19 of 48 by n8nxf on Wed Oct 11 20:01:28 1995:

Agreeded, but this monitor looked as though it had seen little use.  Very
clean inside and the date on the tube was 1993.  Either way, it now sports
an external fuse just in case.


#20 of 48 by keesan on Sun Feb 14 19:27:10 1999:

Mac monitor questions.  We have a Mac LC, someone wants to buy it with a color
monitor.  We do not have a Mac color monitor.  We have a collection of color
VGA and SVGA monitors that Tim donated to sell with computers.  One is a
Multisynch 15" that runs up to 1280 dpi.  There are a few other multisynchs
that run to at least 1024 but we could not test them higher.  Kent said the
15" Multisynch was the only one that would run on the Mac LC but I am not sure
he knew about the other Multisynchs running at 1024.  Does an LC (with the
special adaptor) really require 1280 dpi monitor to run, or will any
Multisynch or multiscan work, and can we just attach monitors and see if they
work?  We do not know how to use a Mac but need to get this figured out
before MOn eve because the guy want sto come look at it then, so cannot wait
until next Saturday for help.  We could also sell him an si with a BW monitor
but he really prefers color because one kid has color and the other will be
jealous.  Where could one find an affordable used Mac color monitor, and at
what price?  Computer Rennaissance said $80-150 if they had them, they do not
at present have any.


#21 of 48 by rcurl on Sun Feb 14 19:56:09 1999:

Have you tried Property Disposition?


#22 of 48 by scg on Sun Feb 14 23:25:25 1999:

The Mac color monitors I've seen, especially from the LC era, have generally
looked very low resolution, so I don't think you'd need a 1280x1024 monitor
for it, but I don't know.

Note:   That's not 1280 dpi, but 1280 dots across the width of the screen, by
1024 dots from the top to the bottom of the screen.


#23 of 48 by keesan on Mon Feb 15 01:11:39 1999:

Kent said we do not need the 1280 dot resolution but rather we do need a
multisynch monitor, of which we have others of probably lower resolution. 
They test out at 1024 and we have no card to test them at 1280, but I can try
finding them on the web.  Kent also said the multisynch monitors were all that
would work on the adaptor that Kiwanis happens to have.  Is it possible to
buy an adaptor that will let the LC be used with a plain VGA (640x480 dots
horizontalx vertical) instead?  Kent also I think was trying to explain that
the scan rate is important.  Just what sorts of monitors should we test on
the LC besides making sure that they are multiscan for this adaptor?  WOuld
it help to have any other numbers before testing them, in order to rule out
those with the wrong numbers?  (Vertical scan or whatever).

Neither Kent nor John were at Kiwanis precisely at 9 am so I sold the first
computer of the day, with the help of another customer who knew how to use
it, and I will be selling a Mac tomorrow (I have even less idea how to use
it, can't even figure out how to switch off an SE).  My previous selling
experience was just after closing, to someone who wanted to make a Mac Plus
into a fishtank, which required less knowledge of Macs on my part.


#24 of 48 by scg on Mon Feb 15 05:23:09 1999:

There's a power switch on the back of the SE, which you can use to switch it
off.


#25 of 48 by omni on Mon Feb 15 07:00:29 1999:

  I have a dead Mac that your friend can make into a fishtank.

  Working Mac Plusses can be used for lots of things, like writing
and playing games. Same goes for SE's.


#26 of 48 by jshafer on Mon Feb 15 08:16:08 1999:

Hmm, a Mac fishtank?  That might be better than the old
cabinet TV set a friend was planning on converting...

"Wow, that screen saver sure looks realistic!"


#27 of 48 by n8nxf on Mon Feb 15 11:40:23 1999:

PD has Mac monitors, with Trinitron tubes, for $25 or less.


#28 of 48 by keesan on Mon Feb 15 19:28:48 1999:

It might be worth our while to buy a couple to sell with computers.  Are they
in good condition?  What is their phone number?

We have sold several fishtanks.  Nobody wants a Plus to work on when we can
sell them an SE for $25.

We will ask one of our customers, who bought and then donated some Mac
keyboards and BW monitors from PD, to check out the color monitors.


#29 of 48 by rcurl on Mon Feb 15 20:34:56 1999:

You don't phone PD - you go there. Nobody knows anything, and you are
on your own to find workable equipment. You would buy a monitor blind,
unless you just bring along a computer to drive it. 


#30 of 48 by keesan on Tue Feb 16 15:23:12 1999:

Our customer for the si, when I found a book on Macs and pointed out that the
ci was faster and used to cost nearly $7000, bought one of those instead of
the si that he thought he wanted, or the LC that might have matched the
multisynch monitor, or the SE that I had advertised.  The ci had more RAM and
I told him I thought the newer software might require it.  I found him a Mac
reference and a System 7 reference about the same age as the computer.  He
will buy a PD monitor, and bring along his new computer to check it out first.
He had the opportunity to try out the LC, the si, and both the 8M and 20M RAM
ci's on our BW Mac monitor.  I thought it was hilarious that I was giving him
advice on Macs when I still don't know how to assemble one or turn it on. 
(There was something about exiting a program before turning off the computer).
Phoning PD got me the hours (they are rather odd ones) and Jim drew a map.
The customer brought along his 4 year old, who tried out our high tech world
of boomboxes (he eventually learned to operate both the tuner and the volume)
and pretended to paint everything purple with the paintbrush we use for
cleaning dust out of donated equipment.
        Other than speed (25 vs 20 MHz) and the 20 vs 5 M RAM, does the ci have
some other advantage over the si?  What do you need the extra RAM for?


#31 of 48 by rcurl on Tue Feb 16 16:38:01 1999:

One needs more RAM as programs get larger, and in order to have more
programs running simultaneously. You should exit (sic) programs on any
computer before turning it off. You don't have to before "shutting down",
however, on a Mac at least - it does that for you.



#32 of 48 by omni on Tue Feb 16 18:47:29 1999:

  Sindi-- If you need Mac help. feel free to call me. 


#33 of 48 by keesan on Tue Feb 16 22:49:02 1999:

Ok, thanks, I wish one of you could have been there last night.
Jim never exits programs before turning off the computer, nor does he turn
off switches before pulling the plug.  Figures it is redundant.
Well, I guess I did not steer the guy wrong.  Imagine buying a $7000 computer
for only $95, and only six years old!  What do the newer Macs do that the ci
cannot do?  And what do they cost (new)?


#34 of 48 by scott on Tue Feb 16 23:25:50 1999:

It is always good to quit out of programs before shutting down, otherwise
valuable data can be lost.  Macs (and Windows 9x and NT, and Unix) require
the user run a special "shutdown" command to tell the computer to exit
programs, save system data, etc. before power is disconnected.


(Scott is amazed that neither Sindi nor Jim are familiar with Property
Disposition).


#35 of 48 by davel on Wed Feb 17 02:26:40 1999:

(So am I.  It's the UM's ongoing garage sale.  There's lots of junk, some of
it overpriced - but lots of good stuff comes through for peanuts, too.  There
are people who make a living by being there regularly, most of the time,
during its (fairly limited) hours, buying stuff instantly when it appears,
and reselling it.)


#36 of 48 by omni on Wed Feb 17 06:49:25 1999:

  I can't wait until the CT scanner goes on sale ;)


#37 of 48 by rcurl on Wed Feb 17 06:53:23 1999:

The newer Mac are "PowerMacs", which means a different processor that
is better equipped for multitasking, as well as being faster. Networking
support is also improved (and has always been ahead of PCs). My office
machine was a IIci for a long time, until it finally got bogged down
by bigger applications.


#38 of 48 by scott on Wed Feb 17 16:00:59 1999:

Nope.  PowerMacs (PowerPC chip based) are now Old.  "G3" is the current new
Mac type.


#39 of 48 by rcurl on Wed Feb 17 17:45:15 1999:

It is called a PowerMac G3, like mine is a PowerMac 7200. 


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