Lens repaired then new problem - Illuminated LCD screen
The lens was mechanically broken by dropping it. The LCD was fully functional showing images. Then I took the camera apart. Put in a new lens I bought off of E-bay and then I got a fully illuminated white screen when I turned it on. The camera takes and saves pictures but I cannot see the screen. That is the problem. Perhaps it was a loose connection. I reseated all the connection but I had no luck same result.
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Often times a lens error comes up when the lens extension/focus mechanism has been jammed. It may almost fully function, but then the gears run into a small spot where those tiny gears are jammed, broken, have debris on them, etc. When the motor hits unexpected resistance, the camera kicks back the lens error code and shuts down before it does further damage to itself. Make sure there isn't anything wedged between where the pieces of the lens slide past each other. Past that, the best solution I can offer is to look on ebay... most cameras either die because the lens mechanism breaks, or because the LCD screen breaks. If you can find a donor camera with a bad screen, you can combine the best of both at a pretty reasonable price. These cameras are quite complicated to transplant, but fortunately most lens mechanisms and sensors are a full unit of themselves, and so are the lcd screens. Before investing in the donor camera, take yours apart and see how difficult it appears to be to work on it. Then make your decision. Good luck!
There is a motor/gear assembly inside the camera that moves the lens in and out and covers the lens when it is retracted. When it dropped, you most likely cracked or shifted something out of place. A broken tooth does not stop function, but shudders when it hits the gap. A shifted gear, slips and similarly may cause this effect. If it doesn't open the shudder, you get no picture.
You will need to open it up and attempt to repair the mechanics that drive the lens.
Are you sure your lcd display isn't broken? I don't know if the lens assembly has an inner screen, but if it's not working, it's the gear mechanism that's broken, and will require servicing. Cheaper to buy a new one, on sale, if the cost is too much to service it. A repair shop should be able to give you a ballpark estimate.
Lens errors are fairly common. Usually it's sand or grit interfering with the lens extension mechanism. Or the camera's been dropped with the lens extended. Or the camera has been powered on, but the lens had been blocked preventing its extension. Or the battery ran down with the lens extended ...
Here's some things that you can do to try to correct it. They only seem to work for less than 50% of the lens errors, but if the camera is out of warranty, they're worth a try:
Had the same problem a few months ago.There was a high pitchedwhisltle and I think the screen said "lens fault.turn off camera" or something similar.Bought a G9 to replace as the 7 was out of guarantee but sent the 9 back to the e-bay reseller as it was obviously secondhand with grit around the lens ring and the viewfinder.Ebay never again!.So 3 months ago ago I tried the G7 again with a fresh charged battery before I consigned the camera to the loft.I noticed that each time i switched on the whistle and message was there but the lens extended slightly further each timeso I kept rebooting until the lens was fully extended.Turned the camera off and on again and everything was back to normal.It seems that this may be Canons protocol when a camera goes back.Its been absolutely fine until today.It wont boot up at all.I have tried 2 fresh charged batteries and its dead.Any ideas anyone?
Switch on - lens extends - screen comes up is the normal.
Partial extension of lens and the rest does not follow.
Why does the lens not complete its function?
Probable cause dirt got into the slide mechanism is the simple answer.
Very fine mechanism- would not try anything your self.
Have you a service facility of watch repair shop near you.
Or try the makers web site - they may offer a swap out facility for a modest fee.
this is a protection mechanism against further damage when the zoom/lens mechanism is obstructed. It's a very delicate mechanism, and it's not easy or cheap to fix. The gears probably got misaligned or broken when you dropped the camera. You should get a repair estimate, and only if you decide you'd rather trash it try opening it up again.