Sony DNW-A75 Maintenance Manual page 59

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