I put fresh batteries in thinking the previous were old, or dying when seeing nothing in the LCD screen. That did not help. I have tried everything I can think of doing, short of taking the camera apart.
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This camera can be notorious for these types of film advance issues. The bad news is that a ZX-7 is probably not repairable. Good news is that there are many used Pentax bodies out there that will work with you lenses.
Sorry to hear you're having troubles with your Minolta. First thing I would do is make sure that the batteries you put in our good and that you do have power coming out of that battery box. He didn't mention whether the batteries had corroded or if there had been any corrosion previously. The rewind button on this camera will not reset until the camera again advances. In other words it is an automatic release on the camera fires the first time after a rewind. So as an beginning answer to your question I would check the batteries again make sure that all contacts are absolutely clean and as you may have noticed the battery boxes on the Minolta do pivot. The contacts under the pivot points also have to be clean. If you checked all of these issues and you're still having problems please feel free to e-mail me at, Dave@advancedcamera.com. Thank you good luck
Your coin battery that powers the memory system of your camera may be failing. This battery keeps your settings and powers your on board computer. Do not confuse this with your picture battery, as that only powers the lens and picture taking ability. The coin battery holds the program. See page 38 of your manual "Replacing the Date/Time battery."
A blinking battery bar indicates that the camera thinks the batteries are nearly discharged. If you're using fresh batteries, check and make sure that the battery contacts, both on the battery cover and down inside the camera are clean and shiny -- no corrosion. Clean them if necessary and try new batteries again. If you still have flashing battery bars, there may be something wrong in the internals.
As I stated in a second posting, I found that the previous owner had left leaky batteries in the camera. when I removed the bottom cover I found some corrosion on the bottom of the motor gear assembly.I' m thinking of trying to remove the motor assembly and see if it's free. What led me to the motor was the fact that when I tried to load film and it did not wind I set the camera down for about 5 to 10 minutes. when I came back and picked up the camera, I noticed that the motor drive battery area was very warm. This led me to remove the bottom of the camera. Seeing the rust on the gears makes me think some might be stuck. If that's the case, I'm going to try and see if I can free them and go from there.
SOME IDEAS, MAY SOUND SIMPLE BUT, FIRST ARE THE BATTERIES IN CORRECTLY? + & - POLARITY CORRECT? ARE THEY GOOD? SOMETIMES YOU GET DEAD BATTERIES. ANY PROBLEMS WITH THE BATTERY CONTACTS IN THE CAMERA? IS THIS THE FIRST TIME THE PROBLEM HAS SURFACED? LOTS OF QUESTIONS BUT I HOPE THIS GIVES YOU SOME IDEAS! IF I CAN HELP MORE JUST REPLY.
Take batteries out and clean the contacts in the base of the chamber with the eraser on the end of a pencil and clean the cover contacts
remove the cassette and reload
Then try- but if it is automatic and has died then a repair option may not be possible because of lack of parts unless there are secondhand ones to be had and the cost could be big bucks