Hitachi V 1060 Service Manual

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Extracted text from Hitachi V 1060 Service Manual (Ocr-read)

Page 31

CH1 input: Tektronix's pulse generator PG506 or
equivalent when the PG506 is in the
FAST RISE mode, a square wave (Tré1
ns) is obtained. Connect this signal

to CH1 in SO-ohm termination.

b. Adjust CV517 so that the amplitude around the rising edge

is minimum.

20ns

c. Adjust CV515 so that the portion near 20 ms is flat.

1/, Flat

/ x
I \

\ I
\

20ns

d. Adjust CV556 so that the midway point between the rising
edge and 20 n5 is flat.

20ns