Smart AY Tango Service Manual page 51

then waiting for a beep a few seconds later. If your console fails to power on you
will need to proceed as follows:-
• Check the mains cable to the AC-DC PSU is connected to the mains and has
power.
• Ensure the main power switch on the AC-DC PSU is in the ON position.
• Check the voltages on the pins of the round 4pin power plug from the AC-DC
PSU. They should be as shown below.
• Check the AC-DC PSU is connected to the console correctly via the round
4pin power plug.
• Open the console to access the internal PSU components.
CN1
ATX DC-DC
• Check the internal power cable from the rear connectors to CN1 of the ATX
DC-DC. Reseat the connector on the ATX DC-DC.
• Measure the voltage on the 2 large round pads behind CN1 on the ATX DC-
DC. It should measure 12V.
th
14 Oct 2009
+Vo = 12V
PWR Switch
Cable Header
CN4 ATXPWR
Tango Smart Console™ Service Manual
JFP
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