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MANUAL CHANGE INFORMATION
TEKTRONIX®
PRODUCT 485/R485
CHANGE REFERENCE M34869
■ ■
committed to
technical excellence
070-1193-00
DATE 9-12-78
CHANGE: DESCRIPTION
EFF SN B155790
ELECTRICAL PARTS LIST AND SCHEMATIC CHANGES
CHANGE TO:
A3
R1
ADD:
Q1
R4
R5
REMOVE:
C4
670-1512-02 CKT BOARD ASSY:HI Z(485,485-1)
317-0047-00 RES.,FXD,CMPSN:4.7 OHM,5%,0.125W
151-0188-00 TRANSISTOR:SILICON,PNP.2N3906
315-0681-00 RES.,FXD,CMPSN:680 OHM,5%,0.25W
315-0752-00 RES.,FXD,CMPSN:7.5K OHM,5%,0.25W
283-0204-00 CAP.,FXD,CER DI:0.01UF,20%,50V
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