Pioneer XY series Installation Manual page 59

5 Drive unit replacement
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Replacement of LF drive unit
LF driver units installed in XY-81 and XY-101 are different, but
almost the same procedures can be used to replace both LF drive
units.
(1) Remove the socket head bolts from the LF drive unit.
The number of socket head bolts to be removed from XY-81 is 8 and
from XY-101 is 4.
(2) Lift the LF drive unit up and remove the cables from the LF drive
unit.
(3) Replace the LF drive unit with a new one.
(4) Connect the cables to the two terminals.
Red Terminal (+)
Black Terminal (-) : Blue cable
(5) Reinstall the LF drive unit to the enclosure.
Ensure that the terminals of the drive unit are placed as shown
below.
CAUTION: The locations of the terminals on XY-81 and XY-101 are
different. Please see the locations of each drive unit in the figures
below when installing the LF drive unit.
(6) Tighten the socket head bolts on the LF drive unit.
(7) Tighten the countersunk bolts to ensure a solid fit to the grille.
XY-81
Location of terminals
Additional information (XY-81/101)
For the connection information, please refer to following circuit diagram.
: Brown cable
Black terminal
XY-101
Location of terminals
Red terminal