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TM 11-6625-3145-14
TABLE OF CONTENTS (cont.)
THEORY OF OPERATION (cont.)
Non-Volatile Memory <17>........................................................................................................... 4-30
Threshold Voltage Detector.................................................................................................. 4-30
Chip Select Controller .......................................................................................................... 4-30
Battery Switch....................................................................................................................... 4-31
Battery Voltage Checker ...................................................................................................... 4-31
Random Access Memory ..................................................................................................... 4-31
Serial Data Acquisition <18> ........................................................................................................ 4-32
Data Bus Buffer .................................................................................................................... 4-32
I/O Selector .......................................................................................................................... 4-32
Baud-Rate Selector .............................................................................................................. 4-32
External Trigger Latch and Data Polarity ............................................................................. 4-33
Serial I/O Controller.............................................................................................................. 4-33
RS-232 Control <18>.................................................................................................................... 4-34
Baud-Rate Selector .............................................................................................................. 4-34
Level Converter .................................................................................................................... 4-34
Serial I/O Controller.............................................................................................................. 4-34
318/338 A10 CRT Board <14> ............................................................................................................. 4-35
Z-Axis Amplifier ............................................................................................................................ 4-35
Horizontal Sweep Generator ........................................................................................................ 4-36
Vertical Sweep Generator ............................................................................................................ 4-37
318/338 A11 Power Supply <15> <16>................................................................................................ 4-37
Line Input <15>............................................................................................................................. 4-37
Inverter Start Network <15> ......................................................................................................... 4-38
Inverter Control <16>.................................................................................................................... 4-39
Regulator.............................................................................................................................. 4-39
Dead Time Controller ........................................................................................................... 4-39
Over/Under Voltage Protection <16> ........................................................................................... 4-39
Low Voltage Rectifiers and Regulators <16> ............................................................................... 4-39
+12 Volt and -12 Volt Supplies............................................................................................. 4-39
-3.3 Volt Supply .................................................................................................................... 4-39
+5 Volt Supply ...................................................................................................................... 4-40
Fan Circuit and Fan <16>............................................................................................................. 4-40
DETAILED CIRCUIT DESCRIPTIONS FOR THE 338 ........................................................................ 4-40
338A01 Input A Board <19> <20> A02lnputBBoard <21> <22> ......................................................... 4-40
Overview ..................................................................................................................................... 4-40
Address Decoder <20> ................................................................................................................ 4-40
Glitch Control (CH 0-7) <21>........................................................................................................ 4-41
Word Recognizer <19> <21> ...................................................................................................... 4-42
Threshold Buffer <22>.................................................................................................................. 4-42
Probe Compensation <21> <22> ................................................................................................. 4-42
338 A03 ACQ Control Board <5> <6> <7>........................................................................................... 4-42
I/O Address Decoder <6>............................................................................................................. 4-44
Qualify/SQRAM Data Register <5>.............................................................................................. 4-45
Qualify Logic <5>.......................................................................................................................... 4-46
ix
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 ...
Page 554: ......
Page 555: ...PIN 058584 ...