Question about Nikon Speedlight SB-800 TTL Flash
I've just had both SB 800's die, uncannily, within the space of a week of each other, sent them to Nikon and now unfortunately its going to cost £160 each to replace the flash circuits on them both. Considering I can buy new SB800's for £204 w/warranty, is it worth repairing them (they're both under 2 yrs old and now out of warranty) ? Is this likely to happen again in the future? They've been worked hard, but that's what they're designed for surely!
There can be two schools of thought for this.
When replacing the circuit board in a flash, this means that the lamp, photocell, LCD display, and the switch pads are the old ones. I would guess the main power inverter board is being changed.
What usualy fails on this board is the main electrolytic capacitor. Not always, but other parts can fail. If it is only the main capacitor, this can be bought at most any major electronics parts distributor. You only have to specify its value in MicroFarids, the mechanical size so it will fit, the lead configuration, and the Voltage rating.
As long as the voltage rating for the new one is the same or greater, and the size configuration is close, the new cap would most likely work. This type of cap is not very expensive compared to the cost of a complete board.
If other parts are also defective on the board, it may be impossible to service unless the part is a generic type. If the part is an SMD surface mount type, depending on the configuration, someone who has SMD soldering tools can replace the part.
I have repaired about 80% of the problems in photo flashes. I only send them out if the fault requires a complete board change or factory calibration. With a new board, calibration will probably be necessary.
Bottom line for me: I would buy new flashes if I had to pay out more than 60% of the cost of a new replacement. But, that is my personal view.
Posted on Apr 19, 2008
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Posted on Jan 02, 2017
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