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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Misc.-Category Forums > DIY (Do-It-Yourself) Discussions

Meier Audio CORDA HEADSIX & The Ten Most Recent Sponsored Threads

Celebrating 6 years of Head-Fi, Meier Audio introduces the Limited Edition HEADSIX (portable headphone amp) Head-Fi Support Sales Action




 
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Old 12-13-2007, 11:22 AM   #191 (permalink)
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Default 5.5G Video?

Are there any guides to do the 80G Video iPod? I think I may try this over the holiday shutdown. I'm still a bit leary about cracking open my ipod though.

Thanks
James
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Old 12-13-2007, 05:36 PM   #192 (permalink)
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James:

I haven't put together a guide because I don't think it's all that necessary. There's enough information on the OP that will get your iPod opened and diyModded. If you're really that uncomfortable doing it, I can do it for you. Essentially you need to crack it open, desolder two SMD caps and two SMD inductors, solder two tiny gauge wires and you're set. The most intimidating part of the mod for most would be opening the iPod, but there are plenty of walkthroughs on the internet, two of which I've listed in the OP.

Here's a pictorial:
iPod 5th Generation (Video) Disassembly: Installing Logic Board - iPod Parts

Here's the video for the iPod video:
ifixipodsfast.com iPod How To Video Tutorials - iPod Video Logic Board / Clickwheel Replacement Tutorial


Hope all goes well for you.
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Old 12-13-2007, 05:40 PM   #193 (permalink)
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THanks for the reply. So my main concern, after cracking it, is the board layout. Finding the right devices to remove and where to solder. Is it going to be the same as the 4G?

James
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60G iMod --> Millet Max --> D2000
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Source: Oppo 980, iMod, Clip, PC/ emu 0404 USB
In queue: Bijou, soha/jisbos
Came and Went : SR80, HD 25-1 II, SR325i, cmoys, HeadFive, GoVibev5, TotalAirhead, Denon D1000, CK2III, Shure e2c, iPod Video 80G, Cowon A3, LD II, ATH-A900LTD, HD580

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Old 12-13-2007, 05:53 PM   #194 (permalink)
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Quote:
Originally Posted by bobby001 View Post
Higher the ΅F is, better it is ?

How many wires I have to sold for the Video ? 3 : L, R & ground ? or only 2 : L & R ?
Yes, generally the higher the capacity the better, but after you hit a certain size you need to start considering cap quality. You only need something that can take as much as 1.55V, so that helps with reducing the size. Black Gate offers probably the highest quality nonpolar electrolytic you can find in the NX Hi-Q series; its performance is supposed to be film-like. The datasheet recommends 1uF for a line out configuration, so you have an endless amount of choices. Don't forget that sponsor ALO Audio, and members EFN and stevenkelby have made some pretty insane docks with non-BG caps; warrior05 made his own BG'd dock too. It's just convenient that the BG NX Hi-Q series is small and is of such high quality that makes it an excellent choice to fit inside an iPod's shell or an iPod dock.

And you only need two wires for any of the diyMods, as far as I have seen.
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Old 12-13-2007, 05:54 PM   #195 (permalink)
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Quote:
Originally Posted by jamess71 View Post
THanks for the reply. So my main concern, after cracking it, is the board layout. Finding the right devices to remove and where to solder. Is it going to be the same as the 4G?

James
It's similar to the 4G click wheel in that the caps are conveniently placed right next to the chip. I believe the 4G photo is a different beast though.
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The Apple diyMod: My Take on the Famous iMod [56k killer] Featuring 3G, 4G, 5G and nano 1G!

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Old 12-13-2007, 06:27 PM   #196 (permalink)
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There is a little excel file I made to match caps to your amp. I dunno if it's gonna be useful to someone but I found it useful in my research of "boutique" caps. Enjoy!
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File Type: zip iPOD Output caps calculator.zip (4.1 KB, 55 views)
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Old 12-14-2007, 03:15 AM   #197 (permalink)
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would 0.47uF be enough for output cap?
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Old 12-14-2007, 03:56 AM   #198 (permalink)
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According to the formula if your amplifier has an impedance around 10k or higher = yes.

I'll post some pics and results when i'll be done with my setup. I'm waiting for a pair of those 3.3ufthat I got for cheap on ebay and a pair of Vitamin Q 1uf is on its way too.
BTW thanks so much joneeboi for that gr8 thread !
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Old 12-14-2007, 06:37 AM   #199 (permalink)
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It's all good, Jericho, I'm just glad to help. Meanwhile, if anyone wants to loan me an iPod nano 2G for testing...
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Old 12-14-2007, 12:52 PM   #200 (permalink)
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sweet... let me see if i can find place to fit in the 0.47uF caps in a 1gen nano
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