61
Subject to change without notice
37
CV9001/9002,
RV9006/9005:
Y-Final Amplifi er
– Connect a 25 mV
pp
,1MHz square wave signal via a 50 Ω cable
and a 50 Ω through-termination to input CH I.
– Set input coupling to DC.
– Locate and identify CV9001,CV9002, RV9006 and RV9005
on XY-Board.
– Set time base to 0.1 μs/div.
– To avoid misadjustment, due to the removed cabinet, place
a metal plate over the XY board to compensate the missing
capacities to ground (cabinet).
– Adjust RV9005 and CV9002 for fast leading edge with
minimum overshoot.
– Adjust RV9006 and CV9001 for fl at top.
– Repeat both adjustments until an optimum display is ob-
tained.
Continue with item 38.
Correct
CV9001 incorrect
CV9002 incorrect
RV9005 incorrect
RV9006 incorrect
Cabinet capacity replacement
CV9002
XY-Board
RV9002
RV9004
RV9003
RV9006
CV9001
RV9005
RV9001
M9001
A d j u s t m e n t P r o c e d e r e H M 3 0 3 - 6
