
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
Summary of Contents for DM-M820
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Page 42: ...2 8 Setup for the IM 800 and the DM M820 Rev I ...
Page 50: ...3 8 Hardware Specifications Rev I ...
Page 178: ...5 38 BIOS Functions Rev I ...
Page 216: ...8 26 Troubleshooting Rev I ...
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