INDEX
7
M SERIES | SERVICE MANUAL
4. Troubleshooting:
It is now possible to perform a quick troubleshooting
procedure common to most of our products.
With the multimeter set to Ohm, check for continuity in all
the fuses portrayed in (Fig. 5).
With the multimeter set to Ohm, check the varistor, if
shorted please proceed with the following tests before
disassembling the board. (Fig. 6)
Power supply:
By means of a multimeter set to Ohm, check the PSU
Mosfet’s state, although it is possible to t the probes in
the gap between the heatsink and the capacitors (Fig. 7)
feel free to remove as many sping retainers as needed in
order to access the Mosfets more confortably.
(Fig. 5)
(Fig. 6)
(Fig. 7)
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