powersoft KDSP Technical Notes

TECHNICAL NOTE #07 rev. 01
KDSP board installation
How to perform KDSP installation in K Series amplifiers
1 Preface
It is possible to install the optional K-DSP on every K Series
amplifier with serial number newer than 19062, older serial
numbers will need to be sent back to Powersoft factory for an
internal board change, please contact directly Powersoft for
further information about.
2 Powersoft KDSP upgrade kit
Powersoft DSP upgrade Kit comes as a DSP board protected
in an electrostatic shielding envelope, two brass spacers support
standoff and a kit of labels to change the name into KDSP as from
images down here.
FIGURE 1: KDSP upgrade kit content
3 Tools required
It is necessary to have a Phillips screwdriver PH 0, a Phillips
screwdriver PH 1, an M2,5/5mm nut driver, a long needle nose solid
joint pliers, an hexagonal key 2x90 as in FIGURE 2 to FIGURE 5.
FIGURE 2: Phillips PH0 screwdriver
FIGURE 3: Phillips PH1 screwdriver
FIGURE 4: M2,5/5mm nut driver
© 2012 - 2013 Powersoft
powersoft_TN007_KDSPInstallation_en_v1.0
FIGURE 5: Long needle nose solid joint pliers
4 How to perform the upgrade
1.1 KAESOP hardware installation
Disconnect amplifier from the mains, if the amplifier has been
connected to the mains in the last few minutes please proceed
with attention as the internal capacitors bank could be charged
and harmful!
Remove the side support steel bars, unscrewing the four bigger
screws with a Phillips PH1 screwdriver, then remove the three
screws in the centre using a smaller Phillips PH 0 screwdriver as
in FIGURE 6.
FIGURE 6: Amplifier side view, screws
Remove the amplifier cover unscrewing the nine screws (four
in the front, two in the centre and three in the rear) using a
screwdriver Phillips PH 0 as on FIGURE 7.
FIGURE 7: Amplifier top view, screws
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