Poking around on a #repair of a very inexpensive Canon EOS 5 QD (film, equivalent to the Canon A2)

It runs very hot and drained a new battery in minutes; the flash capacitors test at a normal capacitance for the listed values, but this board (Canon part 1550 - DC/DC assembly) smells funky. Anyone know what the component 254 Yd- is? Position label on the board is PG.

The flash caps test normal, and we have spares for those anyway. The battery has shown at a normal level on other cameras which take the same type (Pentax SF7) so whatever is faulty on this board is causing the battery to discharge hard, with gradual recovery afterward.

If anyone knows anything which might help, please let me know <3

#camerarepair #filmPhotography #35mm #CanonCamera #camera

Canon EOS R7 Mark II: 39MP Stacked Sensor & 2026 Release Date Revealed

Canon EOS R7 Mark II is coming in 2026 with a 39MP stacked sensor! Get ready for next-level mirrorless camera performance. Stay updated on the latest Canon camera news and tech trends. Perfect for photographers eager for cutting-edge gear.

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https://bulklayers.com/blog/canon-eos-r7-mark-ii-39mp-sensor-2026-release/