Repair and service information for the Contax camera. The Contax service manual gives a comprehensive list of possible causes of various symptoms and I suggest you refer to that if the cause of your problem. Contax Quartz 35mm SLR camera, Contax Q, Q. TTL metering system using a silicon photo diode, manual or aperture-priority exposure controls .

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Making sure the back is slightly wet makes a big difference here because you need to slide the cover into place.

DIY Repairs – Contax Resource

There are two screws close together. These contact the front plate. To clean the magnet which is under the mirror box, refer to the previous sections to remove the mirror box.

Remove it again and apply a small contas of glue to manuual plastic rivet then refit again. One is near the shutter speed dial, two are either side of the viewfinder and two are either side of the lens mount. The focus adjust screw can now be accessed.

Press the cover around the corner but not completely. The mirror can be removed through the lens mount but you do so at your own risk. Unscrew the two black screws under the lens mount. In total there was something overunits made and just a handful of cameras with serial numbers abovehave been seen. cotax

The shutter magnet not the release magnet is also under this plate if you need to access it. Shutter Curtain Bounce Catch There is one issue I have experienced with the shutter on a couple of occasions but the symptoms can vary.

Once the viewfinder surround is removed, unscrew the three screws holding the flexi in place. Then remove the two screws usually sealed that hold the switch cover in place. Check the top most and the bottom most LED. The two later ones use open contacts and should be dontax. It contsx need a wiggle to get it clear.

Over time, the face of the magnet becomes fouled and the armature becomes stuck to it so fails to move away when the magnetic field is turned off. The two, slotted, adjustment screws don’t need to be touched and the display might go back into it’s original position – or it might not. While you have the soldering iron in your hand, also manuall the brown wire that comes up from the flash socket.

  ASTM D4727 PDF

The finder has a matte field with a horizontal split-image device surrounded by a microprism.

The Contax cameras benefit from the first use of a quartz-timed, electronically-controlled, vertical metal shutters; the point being that shutter speeds were theoretically extremely accurate. Electrical contacts exist at the shutter speed dial, the ISO dial, the left hand front plate exposure check switch and self timer and the later versions of transfer switch under the base plate. Adjust the viewfinder display LED position by adjusting the slotted screws previously mentioned while looking through the viewfinder with the LEDs lit.

This was due to the multi-exposure lever being caught up and stopping the film advance mechanism from fully returning to its normal position. The is a nice little camera, and one I would have been very happy to use. Also make sure the shorter of the two curved slots in the plate is nearest the prism. Any remaining sticky tape will need removing from the mirror carrier before fitting the replacement mirror.

The solution is to remove the catch by unscrewing the screw note the washers and their positions and cleaning the faces of the catch and the washers as they will probably be gummed up.

I clean screens with liquid soap and water then remove all the water by spraying with IPA then blow drying the screen with an air duster. Most repairs will require some degree of dismantling of the camera so it mabual sense to start with the basic top cover and baseplate removal. Remove the backing paper and wet the adhesive surface slightly I use a licked finger of about half of the cover conyax will be nearest the lens mount.

Note the two by the lens mount are longer than the others.

Contax – – The free camera encyclopedia

I lubricate both the flywheel shaft and the shaft of the gear above it. Silver-coated prism with horizontal split-image spot, surrounded by a micro-prism collar.


Use a piece of rubber to press against the trim and then unscrew it. See where the rivet has finished up. Lift a corner of it first and then pull the whole insert out. Check the fitting of the cover first to see if it will tuck under the manula easily. A common problem with nanual contax mnaual is mirror slippage. The rubber insert on top of the lever is stuck on.

Retrieved from ” http: You can then make any necessary adjustments if the two LEDs are not fully in view. Remove the mirror box as detailed above.

Now the ISO plate is free and can be lifted but the flash contacts are still preventing the flexi from being completely lifted away. The original switch was a sealed microswitch that was unserviceable, other than to replace it, and it was replaced with another switch that had an open construction that could be cleaned and adjusted if necessary. Once the top cover is removed, the shutter speed dial click plate assembly is removed by removing the rewind shaft holder nut then disengaging the spring from the click lever assembly then moving the lever out of the way, or lifting it off, so that the click plate can be lifted off the shaft.

Contax 139Q

Contax Quartz Fujica Fujicarex. Reassembly is reverse order. There’s more information in the service manual regarding which manusl screw to turn to contxx the LEDs in a given direction. Underneath is a PCB with several gold plated tracks. The flywheel is located on the left side of the mirror box. If you don’t have one, cleaning the contacts with isopropyl alcohol IPA does almost as well.

Reassembly is, generally, the reverse order of disassembly but there are a few of things worth specifically mentioning.