Sony HDCU-950 Installation And Maintenance Manual page 73

Page 4
Diagnosis Display
* Diagnosis *
1
AT :OK DRX:OK
2
AVP:OK FC :OK
3
DTX:OK RC :OK
No. Contents
1
Displays the self-diagnosis result of the AT-149 board
*2
(OK/NG).
2
Displays the self-diagnosis result of the AVP-4 board
*2
(OK/NG).
3
Displays the self-diagnosis result of the DTX-1 board
(OK/NG). *2
4
Displays the self-diagnosis result of the DRX-1 board
(OK/NG). *2
5
Displays the self-diagnosis result of the board mounted in
the fifth slot from the left of the front side (OK/NG).
6
Displays the self-diagnosis result of the board mounted in
the sixth (right most) slot from the left of the front side
(OK/NG). *2
*2 : For the contents of the self-diagnosis of each board, refer to pages 8 to
14 of the character display.
HDCU-950 IMM
Page 5
System Diag (1/3) Display
* System Diag 1/3 *
Optical Condition
CAMERA
CCU
4
Fan Power
5
Timer
6
No. Contents
1
State of the optical reception level of the camera and
camera control unit (OK/CARE/WARNING/NG)
CARE:
WARNING: The optical level is _20 dBm or less.
NG:
When either of CARE, WARNING or NG appears on the
CCU side, clean the connector or cable while referring to
Section 3-1. When either of CARE or WARNING or NG
appears on the camera side, clean the connector or cable
while referring to the Maintenances Manual of the camera.
*2
2
State of the fan of the power supply block (OK/NG)
NG : The fan of the switching regulator is defective.
3
Displays the accumulated power-on hours to the AT-149
board
*3 : The optical sending/receiving level state of the main unit also can be
checked using the indicator on the panel surface of the DTX-1 board.
For details, refer to Section 1-7-5. "Functions of the Indicators on the
Boards _ DTX-1 Board".
3-3. Character Display Function
OK
1
OK
2
OK
3
264H
The optical level is _17 to _20 dBm.
The state when the optical level is low and
any signal cannot be obtained.
*3
3-5 (E)