Canon IXUS 900 Ti / Powershot SD900 1.00C Port - page 24 - General Discussion and Assistance - CHDK Forum
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Canon IXUS 900 Ti / Powershot SD900 1.00C Port

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Offline pixeldoc2000

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #230 on: 13 / September / 2010, 19:21:03 »
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@reyalp
What do you think about JTAG stuff posted earlier?
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Offline hnikesch

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #231 on: 13 / September / 2010, 19:58:56 »
Manual focus is broken with last beta?
« Last Edit: 13 / September / 2010, 20:03:27 by hnikesch »
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Offline hnikesch

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #232 on: 13 / September / 2010, 20:00:55 »
Quote from: pixeldoc2000 on 11 / September / 2010, 18:56:16
Manual focus is broken with last beta?

The option (override subject distance) was missing in the main menu
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Offline pixeldoc2000

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #233 on: 13 / September / 2010, 20:07:41 »
Quote from: hnikesch on 13 / September / 2010, 19:58:56
Manual focus is broken with last beta?
So does it work or not? I'm confused...

Quote from: hnikesch on 13 / September / 2010, 20:00:55
The option (override subject distance) was missing in the main menu
Ok.
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Offline reyalp

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #234 on: 18 / September / 2010, 16:34:52 »
Quote from: pixeldoc2000 on 13 / September / 2010, 19:21:03
@reyalp
What do you think about JTAG stuff posted earlier?
Seems plausible, but I don't really know. I was mostly wondering if there was an actual connector, but I guess they don't bother with that on production hardware.
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Offline pixeldoc2000

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #235 on: 18 / September / 2010, 17:12:46 »
Quote from: reyalp on 18 / September / 2010, 16:34:52
Seems plausible, but I don't really know. I was mostly wondering if there was an actual connector, but I guess they don't bother with that on production hardware.

did you look at
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http://pixeldoc.kicks-[admin: avoid swearing please].net/projects/chdk/ixus900_sd900/canon_ixus900_sd900_jtag2.jpg ?

Quote from: pixeldoc2000 on 11 / September / 2010, 18:56:16
Interesting is the pad "line" at the SD-Card Slot (second picture). Maybe canon has a special sd-card fitted with some contact to connect to the pads?

Maybe there is simular stuff on other cams?
« Last Edit: 18 / September / 2010, 17:15:12 by pixeldoc2000 »
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Offline reyalp

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #236 on: 18 / September / 2010, 19:37:24 »
Quote from: pixeldoc2000 on 18 / September / 2010, 17:12:46
did you look at
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http://pixeldoc.kicks-[admin: avoid swearing please].net/projects/chdk/ixus900_sd900/canon_ixus900_sd900_jtag2.jpg ?
Do you want a cname that doesn't get censored ? ;)
Quote from: pixeldoc2000 on 11 / September / 2010, 18:56:16
Interesting is the pad "line" at the SD-Card Slot (second picture). Maybe canon has a special sd-card fitted with some contact to connect to the pads?
Interesting thought, I don't see anything like that on D10. I have often wondered if the camera console is available somewhere on production cameras without disassembling, but maybe not. Searching on google I found "digital ixus 70, 75 service manual" and there's no mention of anything like this. It looks like service adjustment is done with USB.
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Offline pixeldoc2000

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #237 on: 23 / September / 2010, 14:31:18 »
I managed to repair my SD900  :)

It took me some time to figure out what was wrong...

A litte plastic piece at a lens before the senor did break away. This little piece does interrupts a small light barrier to detect the lens position. Without this piece, camera did extend the lens like normal, than producted a mechincal noise (i think the noise came from the gears which move the lens before the sensor up and down) and displayed "LensRestart" Error and shutdown.
I glued the broken piece back to the lens and the camera does work again.

Fixed Lens before sensor:
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http://pixeldoc.kicks-a ss.net/projects/chdk/ixus900_sd900/canon_ixus900_sd900_glued_lens.jpg
The used lens i bought in ebay did seem to suffer from an other mechanical problem, so i used only the broken flex cable from it.
« Last Edit: 23 / September / 2010, 14:32:54 by pixeldoc2000 »
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Offline hnikesch

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #238 on: 23 / September / 2010, 18:51:48 »
Good luck with the fix, I hope the glue holds

Hans
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Offline pixeldoc2000

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Re: Canon IXUS 900 Ti / Powershot SD900 1.00C Port
« Reply #239 on: 25 / September / 2010, 20:38:58 »
Quote from: hnikesch on 23 / September / 2010, 18:51:48
Good luck with the fix, I hope the glue holds
Thanks, i hope this too!
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