Wernerjb
Tinkerer Username: Wernerjb
Post Number: 135 Registered: 07-2006
Rating: N/A Votes: 0 | Posted on Wednesday, May 02, 2007 - 09:38 am: | |
On quite a few cameras (mostly Ricohs: 35 L, 500G, GX!) I found the meter wiring ok, the circuit's interruption is in or at the coil. Even after finding the broken wire on the coil's surface - the damage was always resulting from tiny bits of green corrosion, often where the super thin wire is soldered to the retracting hairsprings, most probably because it had been treated with acidic soldering material). I have never been able to resolder that sort of wire, even if it was long enough. Has anybody got any idea or method how to solder copper wire thinner than a hair (wattage of the soldering iron, headloupe, "third hand", etc). This time I do not want to surrender or lose the old Ricoh I am presently working at because it is in super condition otherwise. Weanwhile I have even found a suitable replacement cell for the dead selenium element, W. |