
Rev. I Troubleshooting 8-25
MR Series Technical Reference Manual
6. Disconnect the wire shorting pins 14 and 15 on the power supply’s 20-pin connector.
Check that the power is off. If the voltages are not normal, replace the power supply.
Power Supply Cable’s Voltage Check (*)
This connector is used to connect the display (DM-M820) to an external power source. The above
illustration indicates the connector connected to the display directly.
Measurement terminals Signal name
1 +12 VDC
Shell Frame GND
Power supply connector
Shell
top of the
connector
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