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INSTRUCTION
MANUAL
MODIFICATION INSERT
Copyright © 1972 by Tektronix Inc., Beaverton,
Oregon. Printed in the United States of
America. All rights reserved. Contents of this
insert may not be reproduced in any form
without permission of the copyright owner.
U.S.A, and foreign TEKTRONIX products
covered by U.S. and foreign patents and/or
patents pending.
Tektronix , Inc
• P. O. Box 500 ® Beave^on, Oregon 97005 •
062080
061-2380-00
Serial Number _______________________
1485R
MOD W5F
Phone 644-0161
• Cables: Tektronix
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Summary of Contents for Tektronix 1480R Series
- Page 1 INSTRUCTION MANUAL Serial Number _______________________ MODIFICATION INSERT Copyright © 1972 by Tektronix Inc., Beaverton, Oregon. Printed in the United States of America. All rights reserved. Contents of this insert may not be reproduced in any form without permission of the copyright owner.
- Page 3 1485R MOD W5F OPERATING INSTRUCTIONS This modification W5F changes the standard 1480R Series Waveform Monitors by increasing the frequency response of the vertical amplifier. This modification makes no alternations to the operation of the instrument. For the detailed operating instructions, refer...
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Page 4: Circuit Description
1485 MOD W5F CIRCUIT DESCRIPTION DIAGRAM 4 The circuit descriptions given in the standard instruction manual with the exception of diagrams 3 and 4, cover the ' modification 1485R/W5F. VERTICAL DEFLECTION Following are the exceptions 1A diagram 3 and 4. Deflection Amplifier DIAGRAM 3 The circuit has been changed by removing the output... -
Page 5: Calibration Procedure
F. Set INPUT switch to A-B. Adjust €1240 and Test signal generator capable of T pulse and T/2 pulse C1235 for best response within specifications 4-1. within 1% of bar amplitude. — Tektronix 1410 with TSG5 module. G. Interaction between A-B, B=0 and A-B, A=0 may... -
Page 6: Specifications
4. Check Overdrive Recovery B. Check the pulse amplitude variation as compared A. Connect the 1410 TSG5 output to the A input of to the bar while moving the vertical position from the 1485 and terminate in 75 Q. Set the overlay the top to bottom screen between 1VFS and .2VFS. - Page 7 0.2V RANGE IV RANGE 0.5V RANGE 0.1V MAX GAIN FIXED FIXED FIXED VARIABLE FREQUENCY RESPONSE 0-A 50 KHZ - 5 MHZ +-1.0 +-1.0 +-1.5 +-1.5 5 MHZ - 10 MHZ +-1.5 +-2.0 .. 10 MHZ - 15 MHZ +2.0-5.0 +2.0-5.0 +2.0-5.0 +2.0-10.0 15 MHZ - 18 MHZ...
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Page 8: Cross Index-Mfr. Code Number To Manufacturer
WROUGHT WASHER MFG. CO. MILWAUKEE, WI 53207 79807 2100 S. 0 BAY ST. BEAVERTON, OR 97077 80009 TEKTRONIX, INC. P 0 BOX 500 ELECTRA-MIDLAND CORP., MEPCO DIV. 22 COLUMBIA ROAD MORRISTOWN, NJ 07960 80031 CENTRAL SCREW CO. 2530 CRESCENT DR. -
Page 9: Parts Ust
PARTS UST Tektronix Serial/Model No. Dscont Name & Description Code Mfr Part Number Component No. Part No. REMOVE : 670-3485-11 ECB ASSY. VERT. AMP BD. ADD: 670-3485-17 ECB ASSY. VERTICAL AMP BD A-16 670-5760-00 ECB ASSY. VERTICAL AMP DRIVER A-16 ECB VERTICAL DRIVER... - Page 10 PARTS LIST CONT. Tektronix Serial/Model No. Component No. Part No. Dscont Name & Description Code Mfr Part Number R1488 315-0680-00 RES. , FXD,CMPSN: 68 OHM , 5°Z , 0.2 5W 01121 CB6805 R1557 315-0472-00 RES. , FXD,CMPSN :4. 7K OHM ,5%,0.2 5W...
- Page 11 FROM UI67I"! RI735 + I5V CRI74I CR 1744 ---------------- -------- CRI748 UPPER DEFLECTION plate <9> RI625 I 5 k UPPER CRI63I DEFLECTION PLATE -------------- KF — ----- KF- ------ KI — CRI629 CRI633 RI627 FROM u 16>~r i- < -I5V NOTE: CRT NO.
- Page 12 Located on back Add 5 Berg Pins ||| , C1724 , R1658 , R1662 , / R1144 , R 1145, R1136, R113^, R1558, R1476 Add the following components R1624 Remove the following components L1605, L1707, L1 658,01053,014853 TP1441 01606, C17O5, R1607, R1807, Q1617 , Q1723 , R 1062 , R14 88 -P1900 .
- Page 13 volts FROM FULL Q9700 P6I98-I SCALE FROM S9828 R9828 FROM OQA- P6I96T 415V CAT ____ C/VS 415V C 14-57 CURRENT CI923 47^F -HH- QI455 Cl 26 1 Q 1654 RI4-79 CI6II /VERT CENTERING Q 1452 3.01k •Ol 1666 © SOK 675V «»...
- Page 14 FROM FR0M FROH FROM FROM P2268-2 input FROM input P2298-52 äÜI >K >K >4\ 415V 415V 415V ÖI 046. RIO4-5 RI 047' .001 ' 100 k 100k Ql 155 RI050 VIDEO INPUT A TPI444 AINPUT ±01162 $RI I64±CI 166 1 100 ""...
- Page 15 FROM GROUHD PI 974-2 from CRI56 CA3O8I FROM QI 241 CURRENT BAL SWITCHING U° 5 2<f> Cl 181 DIFF ’ D STEPS * TO ein I X Q 1470 360 T 35O-759aH ^65 “ l9goH c LI077 RIO76: RIOTS 300 ' O2.9-6.5/4H 45~ BOA H -LCI 193...
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