Sony DVS-7200A Maintenance Manual page 119

2. PIO test
(1) After starting the self diagnostics mode in the section 3-6-3, input the menu item number "2" on the
"H/W Tester on CPU-263" menu and press [RETURN].
H/W Test = > 2
Terminal display changed to the following "PIO test" display.
<<< PIO test >>>
0. Read
1. Write
Q. Quit
Input test No. >
(2) Selecting and testing the "Read" test from the "PIO test"
Input the item number "0" on the "PIO test" display and press [RETURN].
Input test No. > 0
The read test is automatically performed and the test result appears on the terminal display.
<<< PIO DATA READ >>>
1. STATUS [PIO-1.reg B]
SIO0 : L , SIO1 : L , SIO2 : L , SIO3 : L
FIELD :H , FLDCNT :H , CENTRO : L , VDSNS : L
2. GPI IN [PIO-1.reg C]
0: H 1: H
3. DIP SW [PIO-1.reg D]
1: ON 2: OFF 3: OFF 4: OFF 5: OFF 6: OFF 7: OFF 8: OFF
3. ERROR [PIO-1.reg E]
(*1)
UNIT A : H
Type any key !
(*1) H : The power supply is normal, or the power supply unit is not installed.
L : The power supply is abnormal. (The power supply unit is faulty, the power supply fan is
stopped, or the output voltage is greatly different from the set value.)
DVS-7200AE MMP1
2: H 3: H 4: H 5: H
(*1)
UNIT B :H
6: H 7: H
3-6. Troubleshooting (BKDS-7025/7026)
3-6-4. Test Procedures
3-51