2-21
DNW-A75/A75P
SDI-41 board
LED No. Name Color Description Normal state
D300
*1
SDI INPUT Green Lights when detected that the SDI format signal exists in the SDI On
EXIST INPUT connector.
D301
*1
RX EDH Green Lights when the signal received by the SDI INPUT connector On
VALIDITY conforms to the EDH.
* D302
*1
RX EDH OTHER Red Lights when other ancillary data exists in the EDH block of the Off
ANC ERROR signal received by the SDI INPUT connector.
* D303
*1
RX EDH AP Red Lights when an active picture EDH error is detected from the signal Off
ERROR received by the SDI INPUT connector.
* D304
*1
RX EDH FF Red Lights when a full-field EDH error is detected from the signal Off
ERROR received by the SDI INPUT connector.
* D305
*1
RX EDH ANC Red Lights when an ancillary data EDH error is detected from the signal Off
ERROR received by the SDI INPUT connector.
D900
*2
SDI TRS Green Lights when the SDI INPUT connector can receive the SDI format On
signal normally.
D901
*2
VCO ADJ Green Lights when electronic volume (EVR) data comes near the proper Off
D902
*3
value during VCO free-running adjustment in the maintenance mode.
D905
*3
SDI TRS Green Lights when the SDI INPUT connector can receive the SDI format On
signal normally.
*: These LEDs operate when the received signal conforms to the EDH.
(EDH: Error Detection and Handling)
*1: Board No. suffix -11 only.
*2: Board No. suffix -11 or -13 only.
*3: Board No. suffix -14 and higher.
2-11. Function of LEDs on Circuit Boards
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