TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
c.
Setup the 318 as follows:
SETUP MENU
PLR
GROUP
G1
ON
AAAAA,
765413210
G2
OFF
THRESHOLD MENU
LEVEL V1
+1
3V
V2
-1 3V
INPUT
EXT CLK=
TTL
POD A=
TTL
POD B=
TTL
TRIGGER MENU
Source
EXT TRIG
CLK
10-
µ
S
TRIG
IMMEDIATELY
POSN
DELAY
00250
EXT TRIG POL=
QUALIFIERS (POD)
A OFF B OFF
d.
Press the START key.
e.
Check that all data acquired for Pod A is a repetitive decrementing pattern from 7F
hex
to 00
hex
and that the
trigger word (indicated by T) is 7F at position 0 with <T = 0
♦
> showing in the lower right corner of the
display.
f.
Set EXT TRIG POL to
↓
.
g.
Press the START key.
h.
Check that all the data acquired for Pod A is a repetitive decrementing pattern from 7F
hex
to 00
hex
and that
the Trigger Word (indicated by -T) is 7F at position 0, with <T = 0
♦
> showing in the lower-right corner of the
display
6. Trigger Qualifier Check
a.
Refer to Figure 5-11. Connect the data leads of the P6451 Parallel Data probe in Pod B to TEST OUTPUT
as follows:
P6451 Channel
TEST OUTPUT
G
G
0
0
1
1
2
2
3
3
4
4
5
5
6
Not Connected
7
Not Connected
Q
See Text
b.
Ground all the qualifier and ground leads of the P6451 Parallel Data probes in both Pod A and Pod B.
5-14
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 ...