Power Supply Modules - Smart AY Tango Service Manual

Now in the UDPSER window, type "tg" and <enter> at the PANCPU> prompt. You
will see a file upload progress bar and after several seconds some additional text (# #
Starting.....) will appear in the UDPSER window as shown below. If this does not
occur, check to make sure there is a file called image.bin in the
C:\TESTING\APPS\tftpd directory.
• Check and make sure the "talk1" LED is now flashing. This means the
firmware is now running OK so there are no problems with the PANCPU
or other hardware. However at this point the firmware is only running
from RAM and thus will be lost on the next power cycle if you don't
follow the remaining steps.
• Alt-Tab to the Console Monitor application and check all 3 Auto Start
checkboxes to restart the console software (see section 2 above).
• Once the Tango software starts up, follow the standard procedure from
the user manual to reprogram the firmware. The software may inform
you that the firmware is up to date but you will need to select "Overwrite"
anyway as the firmware is currently only in RAM and not programmed
into the flash memory.
19.

POWER SUPPLY MODULES

There are 2 major power supply components in the console, the internal ATX
DC-DC module and the external AC-DC PSU. In addition there are a number of
other parts of the console which affect the power supply.
The ON/OFF state of the console is controlled by the internal motherboard the
same way a standard PC operates. The momentary power switch on the rear of
the console is connected to the motherboard. The motherboard uses this switch
and the shutdown button in the Tango software to control the power state by
switching the PWR-ON signal to the ATX DC-DC. An over-riding ON/OFF
switch is located on the external AC-DC PSU.
The best way to identify that the console has power is to watch for the LCD
illuminating (all white) immediately after the power button is depressed and
th
14 Oct 2009
Tango Smart Console™ Service Manual
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