Sony DVS-7200A Maintenance Manual page 74

3-2. Switch Settings on the CPU-246 Board and LEDs Description (BKDS-7015)
D1 (Red color) (R9) : RUN
Lights when the MAIN CPU is operating.
D2 (Red color) (R9) : HALT
Lights when the MAIN CPU is in the HALT state.
D7 (Red color) (R9) : M1
Lights when the reference signal is not transmitted from the DVS-7200A.
D8 (Red color) (R9) : M0
Lights if the parameter read process is not executed with the DVS-7200A.
D16 (Red color) (R7) : CH0
Blinks when the control signal from the DVS-7200A is received.
D17 (Red color) (R7) : CH1
Blinks when receiving the control signal from the equipment which is connected to the DME connector
on the control panel.
D18 (Red color) (R7) : SIO0
This LED indicates the status of the CPU (IC86 on the CPU-246 board) which controls the two ports of
SWITCHER and DME on the connector panel.
Lights off : The CPU is operating normally.
Lights : The CPU is not started up correctly.
Blinks : The dual port RAM (IC85 on the CPU-246 board), which is controlled by the CPU, is
abnormal.
D22 (Red color) (R7) : CH4
Blinks when receiving the control signal from the equipment which is connected to the REMOTE 1
connector on the connector panel.
D23 (Red color) (R7) : CH5
Blinks receiving the control signal from the equipment which is connected to the REMOTE 2 connector
on the connector panel.
D24 (Red color) (R7) : SI02
This LED indicates the status of the CPU (IC3 on the IF-523 board) which controls the two ports of
REMOTE 1 and REMOTE 2 on the connector panel.
Lights off : The CPU is operating normally.
Lights : The CPU is not started up correctly.
Blinks : The dual port RAM, which is controlled by the CPU, is abnormal.
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DVS-7200AE MMP1