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Model 415E
Appendix II
Backdating information for Model 415E with Serials Prefixed 530-.
1)
Substitute the component locations in Figure 1-1.
2)
Page 5-19, Figure 5-11; A3R6: change to 215 ohms*
Page 5-21, Figure 5-12; A3R33 and A3R34: change to 15.4 K ohms*
A3R21: change to 316 ohms*
Table 6-1; A3R6: change to 0698-3441; R: fxd met flm 215 ohm 1% 1/8W
A3R21: change to 0698-3444; R: fxd met flm 316 ohm 1% 1/8W
A3R33, and A3R34: change to 0698-3540; R: fxd met flm 15.4 Kohms 1% 1/8W
Table 6-2; Add: 0698-3540 R: fxd met flm 15.4 K ohm 1% 1/8W; Mfr 28480; TQ 2
Delete: 0698-5001 R: fxd met flm 15.2 K ohm 1% 1./8W; Mfr 28480; TQ 2
* Factory selected part. Average value shown.
Backdating information for Model 415E with serials prefixed 530- and 545-.
Instruments serial prefixed 530 and 545 contain the following component differences1
A3C1
0160-0174
C:FXD ELECT 2.2pF +80-20% 25 VDCW
A3R22
0698-3260
R:FXD MET FLM 464K 1% 1/8W
4I5E-A-24
Figure 1-1.
Circuit Board Component Location for Instruments with serials prefixed 530-
02152-4
I-3/1-4
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