Sony DVS-7000A Maintenance Manual page 99

Digital video switcher; type-3d switcher control panel; type-4d switcher control panel
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(9) Checking the test result
Check that "OK" appears on each item of the communication test.
(a) "Reset sio0"
Indicates initialization status of SIO0 (IC86).
(b) "Reset sio1"
Indicates initialization status of SIO1 (IC82).
(c) "Reset sio2"
Indicates initialization status of SIO2 (IC3 on the IF-523 board).
(d) "Reset sio3"
Indicates initialization status of SIO3 (IC7 on the IF-523 board).
(e) "Reset sio4 sub cpu"
Indicates initialization status of sub CPU (IC150).
(f) "sio0 ch0 [controlling] <-> ch1 [controlled]
sio0 ch1 [controlling] <-> ch0 [controlled]"
Indicates communication status between "SWITCHER" and "DSK" connectors.
(g) "sio1 ch0 [controlling] <-> ch1 [controlled]
sio1 ch1 [controlling] <-> ch0 [controlled]"
Indicates communication status between "DME" and "REMOTE 1" connectors.
(h) "sio2 ch0 [controlling] <-> ch1 [controlled]
sio2 ch1 [controlling] <-> ch0 [controlled]"
Indicates communication status between "REMOTE 2" and "REMOTE 3" connectors.
(i) "sio3 ch0 [controlling] <-> ch1 [controlled]
sio3 ch1 [controlling] <-> ch0 [controlled]"
Indicates communication status between "REMOTE 4" and "REMOTE 5" connectors.
(j) "sio4 ch0 [controlling] <-> ch1 [controlled]
sio4 ch1 [controlling] <-> ch0 [controlled]"
Indicates communication status between "TERMINAL 1" and "TERMINAL 2" connectors.
(10)Terminating the "Communication test"
Press the [EXIT] button on the EL panel to return to the "H/W Tester on CPU-263" menu.
(11)Remove all tool cables for communication tests from the connector panel and connect the terminal
with connector for test to the "TERMINAL 1" connector. (Refer to the section 3-3-2.)
DVS-7000AE MMP1
3-3. Troubleshooting
3-3-4. Test Procedures
3-31

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