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I am trying to replace LM171w02-TL B2, with LP171WP6(TL)(03), I have nenaged to swap eeprom chips, but I am wonder if there is any diffrence in the lcd wiring?, new screen is a laptop screen, I mac is booting up, but lcd and inverter don't.
do I need that magic board from SenorDingDong?, if so, how can i buy it??
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What caused you to select this LCD screen as a replacement? LCD screens are not like socks or shoes. There are many screens that will "fit" in the space available… but all the electronics must match up for them to work.
Talk with the vendor about the compatibly of this screen for the use you have chosen.
In order to answer your "question" about a "magic board" you will have to connect with the limited number of people who have done as you did.
If this answer is acceptable please remember to return and mark it.
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Machead3, thanks for your reply.
I choose this screen because this one is on compatibility list on realmacmods website to work with unimac v4, has two ccl, and it cost me only £15, so it is worth trying.
I tried to find pinout for both lcd's to compare, but I couldn't find it, because it is a laptop screen i suspect different pin order, that's why I want to speak with someone that is familiar with this subject.
My question is how to contact other members from this forum, I don't see any option to email them etc.
Kind regards
As my Daddy used to say …. it's the tightwad who spends the most money. So you bought a cheap LCD and now (surprise) it won't work without more parts that raise the price… should have bought a compatible LCD in the first place.
To draw the attention of those who know this product
edit this question to include "magic board" in the subject heading.
You know what they say, faith ( with connection of knowladge, and eperience ) is most powerfull thing, I have got this screen up and running, with no extra cost. Few weeks digging, studing diagrams, testing, and so on... And at the moment I sm able to fit any screen with the same spec in about 30 min..... And it will cost me max £50 new screen, instead £130-150 apple, so I think it was worth it.
Please provide more details so someone else who comes here with the same (or similar) problem learns what to do.
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Just wanted to let anyone interested know.
The "Magic Board" is the UniMac V4 Adapter.
This is available for $49.99 from www.RealMacMods.com
To Answer your question:
Great job on the EEprom swap, not an easy task. Unfortunately the pinout still needs to be adapted. Chances are (among other issues) the current pinout is connecting your VCC directly ground. Best case it wont work, worst case you get to find out what the insides of a GPU smells like.
I can't stress enough, do not try to fit a screen without an adapter to one of these iMacs.
You can build an adapter yourself, there should be enough info on the forums to figure it out, but with time and parts you will spend more than $50, and it has a much higher chance of failure.
The UniMac V4 adapter simply plugs into the back of the replacement screen. It handles all of the power, ground, and signal mapping. It also handles the EEprom directly.
As far as contact, i very rarely get on iFixit anymore. I can be reached anytime via Email Adam@realmacmods.com
- Adam
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