Having installed the firmware KPD674B_1013.zip for my KPD674B-C (Maplin code N08JU DVR), the DVR failed to boot with the error 'H.264 System Initial'. As a result, I followed the below referenced instructions and reset my firmware with the image from KPD674B_1014.zip. I'm now successfully operating firmware version 1014-1003-1008-1003. Thanks to CCTV-MAN for your assistance on this...
Note: Although the pictures showing the location of TP5 and TP6 differed to my circuit layout, they were both just to the left of the SATA lead.
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STEP1：Remove the DVR cover and find the chip resistor to reset the hardware
STPP2：The chip resistor is located on TP5/TP6, as indicated below：
STEP3：Disconnect the DVR power. Then, make the chip resistor short-circuited with a conductive object (such as forceps) as indicated below, and re-connect the power. Remove the conductive object when you hear a short beep sound, and wait till the DVR reboots
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