Dahua DH-SD6CA230TN-HNI / 6C430UNI PTZ cameras

dfhawk

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I need the following board from a DH-SD6CA230TN-HNI - anyone have a bricked camera with a good board??:
Circuit Board - 2E001B0PAN01553 / 1.1.01.07.0338 / 27-302 / 80136386 (approx. 108mm in diameter) from the top of the dome (manufactured 11/2016).

I have a 6C430UNI and swapped out the board and the DH-SD6CA230TN-HNI fires up so apparently the boards are compatible. Let me know if you have either and how much you'd like for it.

Alternatively does anyone know of a individual / company that troubleshoots bad boards and isolates bad diodes / capacitors, etc.??
 

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fenderman

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I need the following board from a DH-SD6CA230TN-HNI - anyone have a bricked camera with a good board??:
Circuit Board - 2E001B0PAN01553 / 1.1.01.07.0338 / 27-302 / 80136386 (approx. 108mm in diameter) from the top of the dome (manufactured 11/2016).

I have a 6C430UNI and swapped out the board and the DH-SD6CA230TN-HNI fires up so apparently the boards are compatible. Let me know if you have either and how much you'd like for it.

Alternatively does anyone know of a individual / company that troubleshoots bad boards and isolates bad diodes / capacitors, etc.??
Logic Board Repair - Macbook Repair in NYC | 347-552-2258
 

dfhawk

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Question: are Dahua hardware schematics published? If so where can they be found - namely I'm looking for x voltage reading for a given path.

Also, if any of you have any issues with any Dahua PTZ cameras (i.e. no power, no network) you may want to look at the slip ring wiring component - on the above two cameras both slip rings had wires severed (found after some continuity testing) - after a lot of soldering (see attached photo of the fun) the 6C430 is back up and running!

I found the slip ring on Aliexpress and purchased two from two vendors - both worked perfectly - now if I can figure out the board issue on the 6CA230!:( I have replaced all the capacitors, inductors and still no power - let me know if anyone has any suggestions.

12.4mm 300Rpm 18 Wires18 Conductors Capsule Slip Ring 240V AC for Monitor Robotic SRC012A3-in Parts & Accessories from Toys & Hobbies on Aliexpress.com | Alibaba Group
 

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dfhawk

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Quick question regarding these two PTZ cameras - which is the better sensor in a low light environment? I would assume the SD6CA230TN-HNI with its Exmor CMOS 1/2.8" sensor - but I don't know anything about (evolving) sensor technologies. The 6C430UNI has a 1/3" Progressive Scan CMOS sensor. If night / low light performance is most important between the two which one should technically outperform the other?
 

dfhawk

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I went ahead I swapped the lenses (I was never able to fix the 2mp board - see above) and believe I answered or confirmed my above assumption - disregard the time stamps (both snapshots are taken about 8:45pm - tonight for the 2mp and last night with the 4mp with default/auto settings on each). The snapshot with the 'IP PTZ Dome' is the 2mp PTZ. The 4mp seems soft and the 2mp seems more sharpCam11.20180304_192437_1.jpg Cam11.20180303_205503_1.jpg - any thoughts?

Note: there is a small $8 IR pointed towards the BBQ area - where a gate is located.
 
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