Question about Fuji FinePix S7000 Digital Camera
I have purchased an optional external battery pack for the S-7000 and the camere worked fine until I used the battery pack on another device that required the polarity on the tip to be reversed. When I went back to using the battery pack on the S-7000, I forgot to switch the tip polarity back to positive and now camera does not work with the battery pack. I was told that there is a diode that blows when the polarity is reversed that prevents futher damage to the camera. I work in the electronics field as a repair technician and I would like to fix this because I'm sure I'll forget to swith the polarity back and blow the diode again. Where can I find a service manual for the FinePix S-7000 and are parts available for this camera? Thanks, JazzyMike
Try the http://www.partstore.com/ they carry several million parts and had sony tech manual, not inexpensvie though..
Posted on Oct 21, 2007
Thanks for contact us. Mr.JazzyMike As u described, i think there is serious problem in your camera.I suggest as follows * If you are familiar to open the camera,safely open it. * safely discharge C612 located on power/flash board. * Then safely pull out power/flash board from the chasis. * Then check fuses no. F 500,F 501,F 503,F 504,F 505, F 506 if any of them found blown replace it and then go back. SAFETY : TAKE SPECIAL CARE OF CONNECTORS AND FLEX PWB. Dont use external battery pack for any digital camera. If you are not succeed contact us. mail us : email@example.com
Posted on Jul 21, 2006
Bad luck mate. It's easy done, I did the same with a $35,000.00 Camera. Only once though :-) You're right it should be diode protected but the diode doesn't always help and a good circuit will also have a fuse in line. Take the camera apart and find out where the power leads actually enter the PCB. Somewhere very close to that will be the diode obviously marked with a D prefix eg. D1001 or D101. Check to see if it's open circuit and if it is replace it. Be careful if it's a surface mount component, it's easy to damage the board. If by chance the diode has gone closed circuit (it's possible) then it would take the fuse out as well. Look for a component marked with an F prefix. Sometimes the circuit board will have a warning about replacing the fuse with the same value component. This will give you an idea where it is on the board. Sometimes a manufacturer will use a fusible resistor in the power section but I haven't come across a digital camera with one of these yet. Now for the bad news. Occasionally a diode will blow closed circuit and then blow a fuse. Alhough it all happens in milliseconds it's possible it didn't happen fast enough and taken out various other components with ICs at the top of the list. Hopefully in your case this hasn't happened. I wouldn't fancy having it on my bench if it has :-) Oh! you might even have to check for burnt PCB tracks as well. BMW
Posted on Jul 11, 2006
It is strange to hear " I work in the electronics field as a repair technician and I would like to fix this because I'm sure I'll forget to swith the polarity back and blow the diode again. " Anyone having a little knowledge would not attemp to give power supply to any device in the wrong polarity. So chances of doing it again and again is really strange . Anyway, it is true there are safety fuses in the power section of the camera that blows off in case of any change in the supply. Sorry I do not have the service manual. If you happen to find one pls share it with others also. you can search for the fuses manually by keenly observating the power board of the camera.
Posted on Jul 11, 2006
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