Question about Digital Cameras
You have not specified the make and model of the camera in question but here is some information that can assist you.
There are two types of cameras.as to flash usage. One type is where the flash is built into the camera and may automatically pop up or activate when the light is too low to make photographs with existing light. If this is the case the problem is in the internal circuitry and is possibly not fixable without special instruments- perhaps an entire circuit board needs to be replaced.
The other kind of setup is where an external flash unit is placed on the camera and connected to the camera's circuitry via a synchronization cord or a hot shoe atop the camera. The flash charging light is activated by the trigger voltages coming in from the external unit. Here too, I don't think that this is a do-it-yourself repair job without circuit testing instruments or a replacement circuit board.
If the camera and flash work properly after being tapped, this does indicate an intermittent connection but if is on a tiny circuit board it will be difficult to detect and repair this problem. Besides the test equipment, precision soldering gear is required. Cameras with interlocks, that don't allow you to make exposures when there is not enough light or if there is a flash malfunction may incorporate a special chip or micro-circuit to enable this automation. Unless one is a technician who is familiar with this issue, an accurate diagnosis is nearly impossible.
If the camera is one of higher value or is still under warranty, it should be returned to the factory or an authorized repair station to be fixed. I n some cases the repair bill can exceed the value of the camera and replacing the camera my be a more economical decision..
If the camera is the type where the flash unit is external, some cameras can be damaged by excessive trigger voltages. There are protective modules to prevent this but once the circuitry is damaged it may be beyond repair,
If you can supply more specifics- please do so and I may be able to offer more advice.
PS- Even small electronic flash units can harbor dangerous or even lethal voltages. Under certain circumstances the can deliver a fatal electrical shock or cause burns or nerve damage. If you are not savvy with this kid of gear- definitely reffer repairs to a qualified technician. SAFETY FIRST and I hate the odor of burning flesh!
Posted on Apr 23, 2008
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