Designed to provide professional results in a compact package, the J1 comes in a variety of colors and lens attachments.

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My Nikon J1 wont turn on.

My Nikon J1 sat unused for about 6 months. I charged the battery but it still won't turn on. Suggestions?

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To begin with, if you left the battery in the camera while you left it unused for 6 months, the battery might have degraded to the point that the charger will not recharge it. This is because the camera drains a tiny little bit of power from the battery even while it's switched off. This may have discharged the battery below a critical voltage (which is in the range of 5 to 6 V for this type of battery) and most chargers will consider a battery defective when the voltage has dropped below this point and refuse to charge it.

Note that Nikon recommends to remove the battery from the camera if the camera is to be left unused for some time, probably for exactly this reason.

If you have access to a multimeter, you may check the battery voltage in order to verify if the battery is indeed charged. The battery has 4 contacts in a row, you should place the meter probes on the outer two (1-4) and if the battery is fully charged the meter should read at least 7.2V. If it reads less than 6V the battery is almost certainly bad. If the battery reads 7 V or higher you should also check the voltage under load, this can be done by connecting a 47 Ohms, 5W resistor across the terminals while you measure the voltage. If the voltage drops a bit, that's OK, but the voltage should not drop more than a few tenths of V. If the voltage collapses under load, the battery should be considered bad.

If the battery voltage is low and the charger refuses to charge it, the battery might still be recovered but this is a bit of a tricky procedure. Your best option is to replace the battery.

If you're positively sure that the battery is good, and the camera still will not turn on, try the following:

  • Clean the battery contacts by carefully wiping them with a pencil eraser.
  • Remove the battery and the SD card. Then put the battery back in but not the card, and try if the camera will turn on. If it does, turn it off again and put the card back in. If it refuses to turn on with the card in place, the card is bad and should be replaced.
  • If the camera refuses to turn on at all, your best option is to have the camera checked by a reputable repair shop.

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I have the same problem with the J1.

Battery is good, conatcts are good still won’t turn on.

Most likely the power board (the PCB on the top) has an issue. I have already measured the Zener diode at the power input and the fuse. Unfortunately I could not find any schematics for further troubleshooting so I think I will replace the whole power board if I can find one at a good price.

If I wanted to have it fixed by Nikon I would need to send it abroad as they don’t have any repair center in my country.

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