TM 11-6625-3145-14
Maintenance: Troubleshooting-318/338 Service
The I/O loop feature is available for TSTSR2. This mode is used to check the I/O address selection circuit. When the
diagnostic program is running in the I/O loop mode, TSTSR2 executes following program functions continuously.
Table 7-12
318 SERIAL TEST I/O ADDRESSES
Selected I/O Address
Program Function
80
Read content of address 80.
84
Write data to address 84.
8C
1. Write data 10 to address 8C.
2. " 20 "
3. " 40 "
4. " 80 "
Repeat in rotation 1 through 4.
90
Write data 55 to SIO Port-A data
register.
91
1. Write data 18 (reset command) to
SIO Port-A register #0.
2. Read SIO Port-A register #0
Repeat 1 and 2.
OPTION I/O FUNCTION LIST
I/O ADDRESS =
80
CHIP
=
U32
FUNCTION
=
OPTION STATUS REGISTER
CONTROL
=
READ ONLY
bit=
7
6
5
4
3
2
1
0
battery
status
xxxxx
xxxxx
xxxxx
xxxxx
MODEM DSR
status
external
trigger
bit 0:
ON = external trigger has occurred.
OFF = external trigger has not occurred.
bit 1:
ON = DSR signal is OFF.
OFF = DSR signal is ON.
bit 7:
ON = battery voltage is low. (<2.4 Volt)
OFF
= battery voltage is normal.
7-33
Summary of Contents for 318
Page 119: ...318 VERIFICATION AND ADJUSTMENT PROCEDURES ...
Page 182: ...338 VERIFICATION AND ADJUSTMENT PROCEDURES ...
Page 253: ...318 ___________________ TROUBLESHOOTING TREES ...
Page 344: ...338 TROUBLESHOOTING TREES ...
Page 517: ...TM 11 6625 3145 14 318 338 4434 923 318 Block Diagram ...
Page 518: ...TM 11 6625 3145 14 318 338 4434 924 338 Block Diagram ...
Page 519: ...TM 11 6625 3145 14 318 338 4434 925 318 Acquisition Module Wiring Diagram ...
Page 520: ...TM 11 6625 3145 14 318 338 4434 926 318 338 Mainframe Wiring Diagram ...
Page 521: ...TM 11 6625 3145 14 318 338 4434 926 338 Acquisition Module Wiring Diagram ...
Page 522: ...TM 11 6625 3145 14 318 338 4434 928 Figure 9 1 318 A01 Input A Board Component Locations ...
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Page 528: ...TM 11 6625 3145 14 Figure 9 3 318 338 A03 ACQ Control Board Component Locations ...
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Page 542: ...TM 11 6625 3145 14 Figure 9 8 318 338 A10 CRT Board Component Locations ...
Page 544: ...TM 11 6625 3145 14 Figure 9 9 318 338 A11 Inverter Board component Locations ...
Page 546: ...TM 11 6625 3145 14 Figure 9 10 318 338 A12 Regulator Board Component Locations ...
Page 551: ...TM 11 6625 3145 14 Figure 9 12 338 A01 Input A Board Component Locations ...
Page 553: ...TM 11 6625 3145 14 318 338 SERVICE ...
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Page 555: ...PIN 058584 ...