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powersoft K Series User Manual

powersoft K Series
61 pages
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Service Manual
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©2019 Powersoft
powersoft_KSTD/HGT_servman_en_4.4
K STD/HGT

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powersoft K Series Specifications

General IconGeneral
Channels2
Amplifier TechnologyClass D
ProtectionThermal, Short Circuit, DC, Overload
AC Power100-240V, 50/60Hz
Dimensions483 mm
Input TypeXLR
Damping Factor>500

Summary

Service Repairing Kit

Opening the Amplifier Cover

Discharging the Capacitors Bank

Capacitor Bank Discharge Procedure

Steps to safely discharge internal capacitors before servicing.

Layout

Power Supply Components

P.F.C. Boosters

Output Stage Components

Troubleshooting

Amplifier Board Troubleshooting

Procedure for checking MOSFETs on the amplifier board.

Power Supply Board Troubleshooting

Power Supply Board Troubleshooting Checks

Procedure for checking fuses, varistors, and KALSU board.

External Voltage Application and Verification

Removing the Power Supply Board

Power Supply Board Removal Procedure

Comprehensive steps to safely remove the power supply board.

Removing the Amplifier Output Board

Amplifier Output Board Removal Procedure

Detailed steps to remove the amplifier output board.

Removing the KALIN Heatsink

KALIN Heatsink Removal Procedure

Procedure to remove the KALIN heatsink.

Cleaning the Heatsink

Replacing the Gap Pads

Power Supply KALSU Removal

Fan and Fan Driver Replacement

Fan and Fan Driver Replacement Procedure

Steps for replacing amplifier fans and drivers.

Removing the K-FRONT Display

K-FRONT Display Removal Procedure

Steps to remove the K-FRONT display from the front panel.

Removing the K-CNTRL Board

K-CNTRL Board Removal and Calibration

Procedure to remove and calibrate the K-CNTRL board.

Output Current Offset Calibration

Output Current Offset Reset and Calibration

Steps to reset and calibrate channel output current offset.

DC Voltage Test

DC Voltage Test and Cable Connection

Procedure for DC voltage testing and connecting test cables.

Amplifier Output Board Power Consumption Test

Output Stage Driver Testing

Output Signal Presence Verification

Firmware Update Procedure

K-Series Amplifier Firmware Update

Steps for updating the amplifier firmware.

Smart Card Firmware Update

Error Codes

Repair Kit List

Replacement Boards

KDSP Board Installation

KAESOP Board Installation

KAESOP Firmware Update

Important Safety Addendum

Handling Sensitive Components Precautions

Precautions for handling sensitive electrical components.

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