TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
2.
Connect Pod A and Pod B channel 0 leads to the 318 START OUTPUT mini-jack using another patch cord and
grabber tips.
3.
Power-up and setup the 318 as follows:
SETUP MENU
REPEAT ACQ
THRESHOLD MENU
LEVEL
V1 = +0.7 V
V2 = +2.4 V
INPUT
Pod A = V1
Pod B = V2
TRIGGER MENU
CLOCK
20 ns
TRIG =
IMMEDIATELY
EVENTS
1 * WA OFF:WB OFF:WC
WA = 0000
4.
Press the DATA key until State Table is displayed.
5.
Set the Search Word to Word = 01-01.
6.
Press the START key and check for the following display:
SRCH =
1/34 (Approximately)
WORD =
01
-01
G1
G2
H
H
0
##
##
(Always no data)
1
##
##
(Always no data)
2
##
##
(Always no data)
3
##
##
(Always no data)
4
##
##
(Always no data)
5
##
##
(Always no data)
6
##
##
(Always no data)
T 7
00
00
(Trigger location)
8
0X
0X
/X = Don’t care and it may \
9
0X
0X
\change with each acquisition/
10
01
01
(Start Output)
11
01
01
12
01
01
7.
Move the mini-jack cable from START OUTPUT to TRIG OUTPUT.
8.
Press the START key and check that TRIGGER OUTPUT, WORD 01-01, starts at or near location 12 and the quantity
of SRCH WORDS exceed 240.
Test 5. External Trigger Input Test.
Equipment Required
1
BNC to Mini-Jack Cable 175-1178-00
1
Oscilloscope
1
Pulse Generator
1
10X Probe
1
50 ohm Terminator
1
BNC-to-Probe Adapter
5-59
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 ...
Page 532: ...TM 11 6625 3145 14 ...
Page 536: ...TM 11 6625 3145 14 ...
Page 538: ...TM 11 6625 3145 14 ...
Page 539: ...TM 11 6625 3145 14 ...
Page 540: ...TM 11 6625 3145 14 ...
Page 541: ...TM 11 6625 3145 14 ...
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 ...
Page 554: ......
Page 555: ...PIN 058584 ...