The only other bits which need removing are the film advance, which is unscrewed with a lens spanner, and the shutter speed dial. There are 5 screws which hold it in place and then the rewind crank needs to be unscrewed in the usual fashion (hold the prongs inside the camera with a screwdriver shaft and unscrew the crank). Removing the top of the camera was a relatively easy operation.
REPAIR MANUAL YASHICA ELECTRO 35 GX ISO
So the next thing was to get the top off both the good and the donor camera, and see how easy it would be to replace either the shutter speed / ISO control or the light sensors which are fitted either side of the viewfinder. Unfortunately, although it was an easy operation, it didn’t fix the camera. This was a relatively easy operation because it just involved making a note of the colour of the leads fitted and then unsoldering them and reconnecting the new board. First, I fitted batteries to the donor camera and confirmed that both exposure Lamps worked on that camera, and then I swapped the board. Since I had the other donor cameras I decided to try the board in the bottom of the camera first since this was the easiest thing to try. The amplifier board fitted in the base of the camera.After a bit of google research I found a copy of the service manual for the camera here, and found that the possible causes of this are:
When the metering button was pressed only the OVER exposure Lamp lit up, irrespective of the position of the aperture or shutter settings. Once the shutter was properly working I found one other fault with the camera. Just actuating it a few times with a pair of tweezers and applying a tiny drop of watch oil released it and the shutter started working properly. I removed the bottom plate and discovered that the lever which the shutter release pushes (via a linkage) was frozen in the ‘release’ position. The fault the seller referred to was that as the film advance was wound the shutter released during the advance lever return. There was even the original plastic base protector still in place, so there aren’t even the customary scratch marks round the tripod bush! The only mark is a small indentation in the top of the prism bulge – unfortunate but not catastrophic. When the camera turned up a few days later I found the seller’s pictures of it were accurate and it was in very good cosmetic condition. With that thought in mind, I bought this unit for £10 including postage. I found an example of this camera on eBay being sold as non-working but in very good cosmetic condition, and since I already had two poor quality copies which I’d either been given or were included in other sales, I thought I should be able to use parts from all three to make a decent copy. It was first produced in 1968 when the majority of cameras used mechanical meter needles to display exposure and so it represented a first step on the way to today’s electronic cameras. The Yashica TL Electro X was one of the first 35mm film SLR cameras to feature electronic display of exposure information in the viewfinder.
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