Minolta 9000 Service Manual page 146

2. If trouble does not reappea:
'© Check operation by releasing shutter about 100 times (battary holder side, lens side up) with
film loaded. (Attach user's batteries and lens.)
'© Check operation about user's complaint and trouble symptom when received.
Servicing Precautions
2, Use circuit tester whose voltage is 3V or less to check circuit connection.
3, Trouble is most unlikely to occur in electronic parts. such as ICs, diodes, transistors, resistors,
and capacitors. Therefore, check the cause of trouble, with the focus on the defective soldering
of lead wires and electrical parts, and switching contacts.
4. When checking soldered or plated parts. avoid pressing the parts or pulling lead wires unneces-
sarily.
is higher, however, perform soldering quickly. Also, be sure to clean the tip when soldering.
9, Be careful with static electricity when handling IC.
10. When using DC power supply, set at 3V, 1A.