Switch/Short-Pin Setting And Led Functions - Sony SIU-100 Service Manual

1-1-6. Switch/Short-pin Setting and LED
Functions
1. SIU-100/100T
. CPU-353 board
A B C
1
2
RV1301
RV1302 RV1300
3
D701
TP1302
4
5
Switches
S100 : CPU operation mode switch function
Use the following factory setting.
Factory setting
4 3 2 1
OFF
ON
S500 : CPU hardware reset function
If press this switch, the hardware reset starts and the
system restarts.
Short-pin
TP201 : Switch for supplying the backup power supply
from the primary battery (BT201) to the SRAM
(IC202).
If remove the short-socket during power-off, SRAM data
is cleared.
Be sure not to pull off the short-socket in normal opera-
tion.
1-2 Pin short: Backup (when normal using)
Others (without the short pin or the like): Power is not
supplied and thus backup is not made.
Factory setting
1-2 Pin : A short pin is inserted
A short pin is inserted in the 1-3 pin on the CPU-353
board that is supplied for replacement to prevent the
battery (BT201) from discharging.
SIU-100/100T
D E
D403
D402
D401
D400
TP201
S100
S500
D503 D500
D502
D501
LED
D500, 501, 502, 503 : CPU operation check
If CPU starts up after the power is turned on, the initial-
ization is completed and the normal operation starts, four
LEDs light on in order indicating that CPU is operating.
D701 : Indicating the completion of the program load to
FPGA (IC700, 703)
CPU starts up immediately after the power is turned on
and loads the program to FPGA. After the loading is
completed, D701 lights on in red.
D400 : Not used (Not light on)
D401 : Indicating LINK status when connecting the
Ethernet
LED lights on when an Ethernet connection is present
normally with the connected Ethernet terminal.
D402 : Not used (Not light on)
D403 : Indicating the data reception when connecting the
Ethernet.
LED lights on when receiving the data with the connect-
ed Ethernet terminal.
1-9