Mamiya DSX - Page 28

H. adjusting the flash synchronization
FP contact
1. Each contact must not be dirty or burnt down.
The pin of TL1455 Start wheel is covered with
insulating tube. Zach contact in operation
must not touch with the body.
2. Four contacts @) and () for FP, and ©
and @ for X must be enough in contact
with each other when the shutter is
operating at B.
0.5 clearance
3. FP contact must kay the space of 0.5 mm
when the shutter release finishes. If
not so, flash bulb (FP) as well as electri-
cal flash (X) is inflammed when the flash
cord is inserted into flash terminal,
X__contact
1. There must be a space of 0.5 mm between
the contacts ©) and @ when Winding
lever is advanced and the metal frame
of the shutter curtain becomes to appear.
2. In case the shutter speed is faster than
1/60 sec., the shutter curtain may not
open fully. As a result of it, flash
synchronization may be imperfect even
though the adjustment of contact is
perfect.