powersoft K Series - Troubleshooting; Amplifier Board Troubleshooting

INDEX
16
K6 K8 K10 K20 | SERVICE MANUAL
5. Troubleshooting:
Check the MOSFETs with a multimeter set to Ohm by probing between the rail buses and the output current sensing resistors.
(Fig. 5): Checking CH1 MOFETs, positive rail
(Fig. 6): Checking CH1 MOSFETs, negative rail
(Fig. 7): Checking CH2 MOSFETs, positive rail
(Fig. 8): Checking CH2 MOSFETs, negative rail
Checking the Amplifier Board:
(Fig. 5)
(Fig. 6) (Fig. 8)
(Fig. 7)
Ω Ω
Ω
Ω
In case of short circuits in the Mosfets please refer to the
table below when ordering the repair kit.
Model Kit
K STD KT000811.R
K HGT
KT000817.R