Do System Tests to Identify Defective Components
Powermax65/85/105 SYNC Troubleshooting Guide 810430 11 9
10. Disconnect the DSP PCB from the power PCB by removing the 2 mounting screws.
11 . Measure the resistance between pin 2 on J4 or J6 on the power PCB and pin 32 on J8. Refer to
Figure 33. Is the voltage approximately 100 ohms ()?
If yes, replace the DSP PCB.
If no, replace the power PCB.
Figure 33 – Pin 32 on J8 on power PCB
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