Crown PSA-2 - Page 109

SA2PSA2082880
SUBJECT: Power Supply Fuse Change
SERIAL NUMBERS AFFECTED: 10000-11719 (PSA-2X) 226-336 (PSA-2DX} 111947-112787 (SA-2)}
All PSAs2/SA-2 amplifiers in the above serial number group are incorparated
with two 12 amp fuses (F1 ard F2) on the amplifiers relay module. However,
the original design called for two 20 amp fuses, but because of a B41] of
Material error, the 12 amp fuse was used instead. This may result in pre-
mature blowing of this fuse when operating atomaximum sutput inte a 2 ohm
load in stereo or a 4 ohm load in mono operation.
Anytime a PSA-2%, PSA-2DX or SA-2 is in for repair, please change the fuses
from the 12 amp to 20 amp as standard procedure. Replacement parts are as
follows:
UANTITY CPN. DESCRIPTION
2 € 3840-3 20 amp fuse
If you should have any questions, please feel free to call or write.
Dave R. Engstrom
Product Specialist
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