Exciter Power Supply; Communication Among Rf Drawers - Hitachi EC702HP Operation Manual

Section 5 - System Operation Manual
(E-Compact ATSC Transmitters - EC701HP thru EC708HP)
5.6.4
This screen shows the power supply status, indicating 'OK' or 'Fail'. The measured voltages are
+3.3V, +15V, +5V and +28V.
Starting from the Measurements Menu [2000]:
Use the Up and Down keys,
5.6.5
From the LCD screen it is possible to conduct and view a diagnostic check f the communication
link between the exciter unit and the RF power amplifier drawer ('P01).
Press ESC, to the Main Menu screen, and then to the screen [2000] is reached, as below:
Manual Rev. 0.0 - August 2016
>

Exciter Power Supply

>
Select Exciter Power Supply and hit Enter
>
>

> >
Hit ESC key to return to the Measurements screen.

Communication among RF drawers

>
Select Communication Status and press ENTER.

and , to check the following voltage measurements.
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