Sony ZRD-1 Service Manual page 28

Blinking color and Cause
number of times
. During update
Yellow
. The UC-1 board temperature is abnormal.
Once
. The ambient temperature is abnormal.
. The cell temperature is abnormal.
. The fan is not rotating.
. The rotational speed of fan is decreased.
. The performance of fan is degraded.
. The UC-1 board is abnormal.
. Communication failure between the display unit and display
controller
. The update has failed.
Red
. The system started in the recovery mode.
Once
. The settings in IC on the UC-1 board is abnormal.
Red The communication error has occurred.
. The LAN cable is abnormal.
Twice
. The video signal is not input correctly.
Red The temperature error has occurred.
. The temperature of the UC-1 board exceeds the upper limit.
Three times
. The ambient temperature exceeds the upper limit.
. The cell temperature exceeds the upper limit.
Red An error has occurred in the UC-1 board/UP-13 board/cell.
Four times An error has occurred in the wiring connection.
. The cell drive power supply (VDD1 and VDD2) is defective.
. The internal power supply of the UC-1 board is defective.
. The power supply to the cell of the UP-13 board is defective.
. The picture display sequence of the UC-1 board is abnormal.
. The picture going off sequence of the UC-1 board is
abnormal.
. The internal harness/cable is pulled out or broken.
. The system settings are abnormal. Therefore, the system
does not start.
Red An error has occurred in the PS-903 board.
. The power block is defective.
Five times
3-10 (E)
Status of device
Warning:
Even if the device operates,
check the contents of
warning. The problem
should be resolved as soon
as possible.
Error:
Picture is not displayed. The
system stops.
ZRD-1/ZRD-2