d. While adjusting the OFF CENTERING VERT control R-1502 on the SN-386/
FPN-40, alternately connect your multimeter to LEVEL 1 test point TP1701 and
LEVEL 2 test point TP-1703 on the vertical sweep amplifier for equal DC
voltages at TP1701 and TP1703 (Figure 48).
Figure 48.
Vertical sweep amplifier, off centering
VERT control R-1502.
57
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