SPHINX Project Twelve Service Manual
11
9. PROBLEMS AND SOLUTIONS
At the moment of writing the Project Twelve has
one known specific problem.
If in the future you encounter any problem(s) you
may enter the info in this table. This table can then
be used for future reference.
Please also send (by fax or e-mail) the specific
information to the Sphinx International Service
Department (see page 3): this info can then be
added to the general database to aid others.
Problem Cause Solution Refer to
page…
Protection is not functioning
properly,
Jumpercap is on JP1&JP2,
Amplifier is in ‘test’-mode
Place jumpercap on JP2&JP3 15
Cannot adjust common mode
properly,
Capacitor C2 is short-circuited, Replace capacitor C2 16
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