TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
26.
Increase the length of the BNC cables on the pulse generators, if necessary, and adjust DD501 EVENTS LEVEL
until the channel 2 waveform’s falling edge crosses the channel 1 waveform’s rising edge at 0 V level (14 ns setup, 0
ns hold).
27.
Change the 338 settings as follows:
SETUP MENU
ACQ.MODE
RE-
PEAT
ACQ
TRIGGER MENU
CLK
EXTT
POSN
DELAY
00246
Events
00001’WA THEN:WB THEN:WC
WA =
00
WB -
FF
WC=
00
QUALIFIERS (POD)
A OFF
B OFF
C OFF
D OFF
28.
Press the DATA key until the State Table is displayed and then press the START key.
29.
Check for the following data, and proper trigger location.
0
##
(Always no data)
1
##
or FF
2
00
3
FF
T
4
00
(Trigger location)
30.
Press the STOP key, select the TRIGGER Menu and set word C to WC = FF.
31.
Press the START key and check that the 338 does not trigger.
32.
Press the STOP key.
33.
Change the TRIGGER Menu as follows:
SETUP MENU
ACQ. MODE
REPEAT ACQ
TRIGGER MENU
POSN DELAY
00245
Events
00001’WA THEN:WB FLW’D BY:WC
WA =
00
WB =
FF
WC =
FF
34.
Press the DATA key and then the START key.
35.
Check for the following data and proper trigger location.
0
##
(Always no data)
1
##
or FF
2
00
3
FF
4
00
T
5
FF
(Trigger location)
5-108
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 ...
Page 526: ...TM 11 6625 3145 14 ...
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 ...