Belden Grass valley T2 4K Series, Руководство по обслуживанию

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September 1, 2019 T2 4K Series Service Manual
57
Front panel problems
Front USB group unit problems
The LCD touch screen image is
faulty.
No response to tapping on the
screen.
• There is a connection failure
between the LCD touch
screen and the motherboard.
1. Make sure CommandCenter is up and running.
2. When the LCD touch screen is faulty with the
CommandCenter launched, remove the top
cover and front panel and, check the button kit
cable connections. Refer to
"Removing the
button kit" on page 84 . If the problem persists,
replace the button kit.
3. If the problem persists, connect a mouse,
keyboard, and PC monitor to the T2 and test
functionality. Compare this functionality to
that of the LCD touch screen. If everything
works fine with the PC monitor but not the
front panel, there could be a software problem
on the LCD touch screen. Restore the T2
system. Refer to
"Restoring to the factory
default condition" on page 49 .
4. If after system install the LCD touch screen
still does not operate, replace the LCD touch
screen. Refer to
"Removing the LCD touch
screen" on page 81 .
• The software or operating
system on the T2 has a fault.
• The LCD touch screen itself
is faulty.
The Jog/Shuttle knob operates
poorly or not at all. The Jog/Shuttle knob is bent or
broken. Inspect the Jog/Shuttle knob to confirm that there
is a mechanical problem with the knob. If so,
replace the Jog/Shuttle knob. Refer to
"Removing
the Jog/Shuttle knob" on page 77 .
The operation buttons are not
working. • The operation buttons or
front board are broken.
1. Make sure CommandCenter is up and running.
2. When the operation buttons do not operate
with CommandCenter launched, make sure the
button kit device is present. Enter the
maintenance mode. Open the device manager.
And confirm "HID-compliant game
controller" is present under the "Human
Interface Devices" category.
If not present, inspect the cable and
connections. If the problem persists, replace
the button kit. Refer to
"Removing the button
kit" on page 84 .
3. Restore to factory default from built-in USB
stick. Refer to "Restoring to the factory default
condition" on page 49 .
• The software or operating
system on the T2 has a fault.
Problem Possible Causes Corrective Actions
The front headphone jack or
volume control does not operate
properly. The cable to the front USB
group unit is disconnected or
faulty. Make sure that the front USB group unit and
cables are connected properly and there is no sign
of physical damage. Restart the T2. If the problem
persists, replace the front USB group unit. Refer
to
"Removing the front USB group unit" on
page 77 .
The front USB group unit is
faulty. Replace the front USB group unit. Refer to
"Removing the front USB group unit" on page 77 .
Problem Possible Causes Corrective Actions