TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
Table 5-7.
318 VOLTAGE LEVELS FOR TESTING TTL
Power Supply
Pulse Generator
T/H Level
Expected
Output (V)
High (V)
Low (V)
V1(V)
V2(V)
V3(V)
Data
+1.65
+1.65
+1.15
-----
----
----
all Fs (hex)
+1.15
+1.65
+1.15
-----
----
----
all 0s
3.
Threshold Levels V1, V2, and V3
a.
Press the 318 THRESHOLD key.
b.
Refer to the values given in Table 5-8 in setting the power supply output level, the pulse generator output level, the
system threshold levels, and the INPUT Clock and Pod Threshold levels.
c.
Set the test equipment to the values necessary for Test 1 in Table 5-8 and press the DATA key.
d.
Press the START key and wait for the acquisition to be completed. Check to make sure that SLOW CLOCK is not
displayed on the screen.
e.
Check that data acquired are equal to the Expected Data given in Table 5-8.
f.
Set the 318 SRCH WORD to equal the Expected Data and then check that the quantity of SRCH words equals
256.
g.
Repeat Steps (a) to (f) for each test in Table 5-8.
h.
Disconnect the test setup.
Table 5-8.
318 VOLTAGE LEVELS FOR TESTING V1, V2, AND V3
Power
T/H
Test
Supply
Pulse Generator
T/H Level
Input
Expected
#
Output (V)
High (V)
Low (V)
V1 (V)
V2 (V)
V3 (V)
Clk A, B
Data
1
+5.25
+5.25
+4.75
+5.0
--
--
V1
all Fs
2
+4.75
+5.25
+4.75
+5.0
--
--
V1
all 0s
* 3
-4.75
-4.75
-5.25
-5.0
--
--
V1
all Fs
* 4
-5.25
-4.75
-5.25
-5.0
--
--
V1
all 0s
5
+5.25
+5.25
+4.75
--
+5.0
--
V2
all Fs
6
+4.75
+5.25
+4.75
--
+5.0
--
V2
all 0s
* 7
-4.75
-4.75
-5.25
--
-5.0
--
V2
all Fs
* 8
-5.25
-4.75
-5.25
--
-5.0
--
V2
all 0s
9
+5.00
+5.00
+4.50
+10.0
-0.5
+4.75
V3
all Fs
10
+4.50
+5.00
+4.50
+10.0
-0.5
+4.75
V3
all 0s
11
+0.25
+0.25
-0.25
0.0
0.0
0.00
V3
all 0s
* 12
-0.25
+0.25
-0.25
0.0
0.0
0.00
V3
all 0s
* 13
-4.50
-4.50
-5.00
+0.5
-10.0
-4-75
V3
all Fs
* 14
-5.00
-4.50
-5.00
+0.5
-10.0
-4.75
V3
all 0s
* Insure that the P6451 probe GND lead connected to the Power Supply Reference terminal is at the same potential as the
318 ground.
5-46
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 ...