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Imac g4 interresting results and problems.
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johnodd4
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PostPosted: Sat Apr 21, 2007 12:07 am    Post subject: Imac g4 interresting results and problems. Reply with quote

Ok i posted here about a imac g4 800 i purchased off of ebay.

Well it finally showed up and with a minor problem.

Here is the weird thing.

Ok i open the box and disasemble the imac and come to find out the video connector for the main board had come unsoldered. With this problem i relized the only way to fix it was to replace the main board for 700.00. And im not about to spend 700.00 to replace a mainboard on a older machine.

So i found a work around and this will work for anyone fixing this issue.

So i thought i would share my results.

So i am proud to announce the imac g4 15 inch lcd/tv monitor mod. To fix this issue which seems to be common occording to apple.


Here is how you replace the lcd.

1.Remove all the tork screws around the lcd.

2.Lift out the lcd.

3.cut all wires to the lcd (you will understand why very shortly)

4.Now undo all of the tork screws inside the backside of the lcd monitor.

5.remove the center torx screws that hold the metal arm of the monitor
to the computer.

Now once this is done you should have a metal arm attached to a imac no monitor.


step two:

Here is what you need:

1.thermal paste

2.torx drivers

3. time


Lets begin remove the bottom of the imac g4 exposing the mainboard

Unplug the monitor connection and the power connection to the main board.

Cut the monitor connection off of the end of the wire you will no longer need it.

Next you will see a black plug screwed onto the case it looks like a drive plug undo the two torx screws and disconnect the fan and speaker. Now leave the fan and speaker on the imac so do not remove these connections. But you will notice there are two other connections one is power to the old lcd remove it. Next is the other cable to the lcd remove it. You will not need these.

once these connections are severed continue onto step three


Step three:

Reassemble the new g4 800 imac 15 lcd to working order.

Items you will need:

1. a 15 inch easy to take apart flatpanel tv with vga jack

2. a drill

3. the metal plate from the back of the old monitor


Ok here are the last steps.

1. Reassemble the base of the imac g3 no longer will you need to play around in the insides of the machine

2. Replace the thermal paste at the end of the heat pipe and on the case you will see that the thermal plate is on the case next to the cd rom drive.

3.Carefully remove the guts out of the lcd tv. Most lcd tvs are one unit so you will not have any trouble taking them apart.


Warning: if you mess up the lcd not my fault.

Here is the hard section

No steps just listen.

You will then need the metal plate out of the back side of the old monitor. Reason is you need the metal plate to copy the screw patterns on the center of this plate onto the back side of the lcd tv. Then drill out the holes and attach the arm to the back section of the tv. Do not use the metal plate as a support the metal plate will hit the internal electronics and fry the lcd and do not attach the round metal curcle eaither it is no longer needed.

Then reinstall the guts into the lcd tv

Now go to you local apple store and purchase the apple ibook vga adapter. You will notice the same port is on the back of the imac g4 attach it. And connect a vga cable to the tv and your done.

you just attached a new lcd tv/monitor to a imac g4 800.
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robinscruffy
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PostPosted: Sat Apr 21, 2007 4:00 am    Post subject: Reply with quote

Wow, thats quiet a job there Very Happy

So is it a headless iMac now? Very Happy

Do you think its possible to do it the other way round, remove the guts of the iMac and put a mac mini inside and hook up the screen connectors to that? So basically you have an Mac mini hiding inside a iMac.
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johnodd4
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PostPosted: Sun Apr 22, 2007 10:58 pm    Post subject: Reply with quote

I thought of that my self. But then i found out why no one has done that.

Then i found out why.

It seems apple used a modified version of there adc technology. Not only would you have to wire the unit to a adc connector at 100.00. But you would have to figure out how to power the unit. Because the weird internal disk plug that powers the monitor the speakers and even the power regulator for the monitor. Is attached to the mainboard.

So my mod will come in handy if people want to connect a lcd vga monitor to there imac g4 to use it as a screen. So you would not have to use the apple screen which is limited to only 1440x500 which isn't all that great.

In the next few days i am going to post a picture of my mod at my web page and will post images to better explain it i should have my iweb page done by tommorrow at about 4:00pm u.s.a time.

And will post a link here shortly
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johnodd4
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PostPosted: Sun Apr 22, 2007 11:35 pm    Post subject: Reply with quote

Ok Here it is.

Http://web.mac.com/johnodd4

Come and see.

Click the selection picture of mod.
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robinscruffy
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PostPosted: Mon Apr 23, 2007 1:12 am    Post subject: Reply with quote

Very Happy Wow, interesting to see the end result. Any plans on painting the display white?
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johnodd4
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PostPosted: Mon Apr 23, 2007 6:04 pm    Post subject: Reply with quote

That is what im working on next and im not planing on white im planing on black the entire machine except the apple logo in front and the arm.
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TyPod
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PostPosted: Mon Apr 23, 2007 9:06 pm    Post subject: Reply with quote

Looks alot better than what I expected, Johnodd4. I think a black iMac would look pretty cool, keep us updated. Very Happy
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robinscruffy
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PostPosted: Tue Apr 24, 2007 12:41 am    Post subject: Reply with quote

Yeh, i've seen pictures of someone who painted their iMac black on MacMod.com, check out those pictures it might be useful.

http://www.macmod.com/content/view/19/192/
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- iMac G4, 17inch, 800MHz, 1GB, 80GB HDD, SuperDrive. And Going Strong!
- AppleTV 160GB
- iPod Touch 8GB

Visit www.thebigapples.net Very Happy Podcasts, Videos & more Very Happy
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johnodd4
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PostPosted: Tue Apr 24, 2007 1:37 am    Post subject: Reply with quote

Wow sick:

Update: Painted my imac black. Waiting for monitor to dry. Purchased 250 gig hard drive for external cage. Purchased awesome external incloser called a metal gear box substance 2 manufactured by some weird third party vendor.

Soon i should have most of the parts the only thing im missing is the ibook to vga adapter to use the external port on the imac g4.

UPDATED WEB PAGE AS WELL

Soon to be on youtube. (once i get my camera up and running)
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johnodd4
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PostPosted: Tue Apr 24, 2007 1:54 am    Post subject: Reply with quote

Found the ibook adapter. Online from fry's electronics ordered one can pick up in store tommorrow which will be cool i will soon have everything to fire up my mod with.
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robinscruffy
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PostPosted: Tue Apr 24, 2007 9:54 am    Post subject: Reply with quote

This is going to be quiet a mod.

What do you think you'll do next? Very Happy
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- MacBook Pro, 15inch, 2.4GHz, 2GB, 160GB HDD, SuperDrive. I Love this Mac!!!!
- iMac G4, 17inch, 800MHz, 1GB, 80GB HDD, SuperDrive. And Going Strong!
- AppleTV 160GB
- iPod Touch 8GB

Visit www.thebigapples.net Very Happy Podcasts, Videos & more Very Happy
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johnodd4
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PostPosted: Tue Apr 24, 2007 6:59 pm    Post subject: Reply with quote

Blue internal fan so that the leds glow blue through the top of the case.

Want to see more.

http://www.youtube.com/watch?v=okHsqdFoMec
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johnodd4
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PostPosted: Tue Apr 24, 2007 7:05 pm    Post subject: Reply with quote

Went out and purchased a ibm zboard hope fully with in a few weeks i should be able to write a driver to fully use the keyboard under mac os x.
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robinscruffy
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PostPosted: Wed Apr 25, 2007 1:07 am    Post subject: Reply with quote

Wow, i love the video. Please post more Very Happy

I like the paint job.
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- iMac G4, 17inch, 800MHz, 1GB, 80GB HDD, SuperDrive. And Going Strong!
- AppleTV 160GB
- iPod Touch 8GB

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johnodd4
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PostPosted: Wed Apr 25, 2007 11:20 pm    Post subject: Reply with quote

Thanks will post more shortly.
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