Canon PowerShot G9 - Revision history

Chicken: moved description of JTAG/UART connector to Hacking section

2023-10-09T00:02:18Z

moved description of JTAG/UART connector to Hacking section

@@ Line 66: / Line 66: @@
 CN1002 flat flex to jog dial unit, TOP_M FPC
-*Located near to SD card holder
+CN1003 unpopulated/undocumented -> JTAG/Serial? (see below)
 CN1004 USB/digital
@@ Line 203: / Line 189: @@
 Q582 ROHM '''2SK2715''' 10V drive N-Ch MOSFET
-<br />
+== Hacking ==

2023-10-08T23:20:09Z

← Older revision		Revision as of 23:20, 8 October 2023
Line 1:		Line 1:
	Teardown of the Canon PowerShot G9 point-and-shoot camera.		Teardown of the Canon PowerShot G9 point-and-shoot camera.

	12.1 MP ~~CMOS~~ with 6x IS optical zoom. Released in Oct 2007, PCB date code 29th week of 2007[[File:Canon-powershot-g9.jpg\|none\|thumb\|Canon PowerShot G9\|alt=]]A service manual with assembly diagram, but no schematic, can be found [https://elektrotanya.com/canon_powershot_g9.pdf/download.html on the internet].		12.1 MP, 1/1.7" CCD image sensor with 6x IS optical zoom. Released in Oct 2007, PCB date code 29th week of 2007[[File:Canon-powershot-g9.jpg\|none\|thumb\|Canon PowerShot G9\|alt=]]A service manual with assembly diagram, but no schematic, can be found [https://elektrotanya.com/canon_powershot_g9.pdf/download.html on the internet].

	Technical details, including firmware dumps, on the [https://chdk.fandom.com/wiki/G9 CHDK Wiki].		Technical details, including firmware dumps, on the [https://chdk.fandom.com/wiki/G9 CHDK Wiki].

2023-10-08T22:09:35Z

added link to CHDK Wiki

← Older revision		Revision as of 22:09, 8 October 2023
Line 2:		Line 2:

	12.1 MP CMOS with 6x IS optical zoom. Released in Oct 2007, PCB date code 29th week of 2007[[File:Canon-powershot-g9.jpg\|none\|thumb\|Canon PowerShot G9\|alt=]]A service manual with assembly diagram, but no schematic, can be found [https://elektrotanya.com/canon_powershot_g9.pdf/download.html on the internet].		12.1 MP CMOS with 6x IS optical zoom. Released in Oct 2007, PCB date code 29th week of 2007[[File:Canon-powershot-g9.jpg\|none\|thumb\|Canon PowerShot G9\|alt=]]A service manual with assembly diagram, but no schematic, can be found [https://elektrotanya.com/canon_powershot_g9.pdf/download.html on the internet].

			Technical details, including firmware dumps, on the [https://chdk.fandom.com/wiki/G9 CHDK Wiki].

	==Teardown Pictures==		==Teardown Pictures==

2023-10-05T23:45:41Z

Parts Identification: add JTAG/UART pinout

← Older revision		Revision as of 23:45, 5 October 2023
Line 69:		Line 69:
	*Located near to SD card holder		*Located near to SD card holder
	*Multiple pads connected to test points		*Multiple pads connected to test points
	*Pin-out likely same as documented [https://web.archive.org/web/20200302085303/https://nada-labs.net/2014/finding-jtag-on-a-canon-elph100hs-ixus115/ here].		*Pin-out likely same as documented [https://web.archive.org/web/20200302085303/https://nada-labs.net/2014/finding-jtag-on-a-canon-elph100hs-ixus115/ here].<syntaxhighlight lang="c">
			TX - _ RX
			GND - _ 3.3V
			SHDN - _ N/C
			N/C - _ HALF_BAUD
			PD - _ ALT_BOOT
			PD - _ /TRST
			TDI - _ TMS
			TCK - _ TDO
			/OFF -
			</syntaxhighlight>

	CN1004 USB/digital		CN1004 USB/digital

2023-10-05T23:43:18Z

CPU/DSP: add link blog post about finding JTAG/UART on Canon camera

← Older revision		Revision as of 23:43, 5 October 2023
Line 69:		Line 69:
	*Located near to SD card holder		*Located near to SD card holder
	*Multiple pads connected to test points		*Multiple pads connected to test points
			*Pin-out likely same as documented [https://web.archive.org/web/20200302085303/https://nada-labs.net/2014/finding-jtag-on-a-canon-elph100hs-ixus115/ here].

	CN1004 USB/digital		CN1004 USB/digital

2023-10-02T00:07:44Z

add image of unpoplated header

← Older revision		Revision as of 00:07, 2 October 2023
Line 64:		Line 64:

	CN1002 flat flex to jog dial unit, TOP_M FPC		CN1002 flat flex to jog dial unit, TOP_M FPC
			[[File:Canon PowerShot G9 debug header.jpg\|thumb\|CN1003, a candidate for JTAG and/or serial debug]]
	CN1003 unpopulated/undocumented -> JTAG/Serial?		CN1003 unpopulated/undocumented -> JTAG/Serial?

2023-10-01T03:25:37Z

2023-10-01T03:22:31Z

added parts identification

2023-10-01T01:46:45Z

remove extra line break

← Older revision		Revision as of 01:46, 1 October 2023
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	==Teardown Pictures==		==Teardown Pictures==
	[[File:Canon PowerShot G9 Main PCB Top.jpg\|thumb\|Main PCB, top view\|alt=\|none]]		[[File:Canon PowerShot G9 Main PCB Top.jpg\|thumb\|Main PCB, top view\|alt=\|none]]
	~~<br />~~
	[[File:Canon PowerShot G9 Main PCB Back.jpg\|thumb\|Main PCB, bottom view\|alt=\|none]]		[[File:Canon PowerShot G9 Main PCB Back.jpg\|thumb\|Main PCB, bottom view\|alt=\|none]]
	[[File:Canon PowerShot G9 Power PCB Top.jpg\|thumb\|Power PCB, top view\|alt=\|none]]		[[File:Canon PowerShot G9 Power PCB Top.jpg\|thumb\|Power PCB, top view\|alt=\|none]]

2023-10-01T01:46:20Z

← Older revision		Revision as of 01:46, 1 October 2023
Line 15:		Line 15:
	[[File:Canon PowerShot G9 Back Camera Control PCB.jpg\|thumb\|Back camera control PCB (jog-wheel, various buttons)\|alt=\|none]]		[[File:Canon PowerShot G9 Back Camera Control PCB.jpg\|thumb\|Back camera control PCB (jog-wheel, various buttons)\|alt=\|none]]
	[[File:Canon PowerShot G9 image sensor.jpg\|none\|thumb\|12.1 MP CMOS image sensor]]		[[File:Canon PowerShot G9 image sensor.jpg\|none\|thumb\|12.1 MP CMOS image sensor]]

			== Parts Identification ==
	<br />		<br />