Sony HDCU-950 User Manual

1-23 (E)

HDCU-950 IMM

A

B

C

D

E

1

2

3

4

5

D107

D106

D105

D101

D108

AT

POWER

H PHASE

REFERENCE

/1.001

90H

REF IN

UN
LOCK

HD

REM
BB

STEP

COARSE

ADV

DELAY

POWER

CABLE

ALRAM

OPEN

SHORT

CAM

MAIN

INCOM

MIC-ON

OFF

PGM

PROD

ENG

PRIV

D6

D5

D3

D4

1-7. Functions of Indicators on Boards

D3 (green) : MAIN POWER display
Lights up when the power is supplied to the unit correctly.

D4 (green) : CAM POWER display
Lights up when DC180 V power is supplied to the con-
nected camera correctly.

D5 (red) : CABLE OPEN display
Lights up when OPEN of the power cable using optical/
electrical composite cable is detected.
Blinks when ALARM (attenuation) of the optical level is
detected.

D6 (red) : CABLE SHORT display
Lights up when short-circuit in the power cable using
optical/electrical composite cable.

D101 (green) : Power display
Lights up when the voltage used on this board is normally
supplied.

D105 (yellow) : 90H display
Lights up when the delay amount of the SD signal for
downconvert is set to 90H.
n
The delay amount is set with S417 on the AT-149 board.
For details, refer to Section 1-6-1. “Setting of Switches on
Boards 

_ AT-149 Board”.

D-106 (green) : /1.001 display
Lights up when the SG operation CLOCK frequency is
74.17582 MHz.
Lights up when the frame frequency coefficient of the HD
signal is set to 1/1.001 times.
n
The frame frequency coefficient is set with S420 on the
AT-149 board. For details, refer to Section 1-6-1. “Setting
of Switches on Boards 

_ AT-149 Board”.

D107 (green) : REF IN display
Lights up when the REFERENCE signal is input to the
REFERENCE connector on the rear panel.

D108 (red) : UNLOCK display
Lights up when the unit cannot be synchronized with the
external REFERENCE signal in the external sync mode.