2.6
Checking diode stack
(a)
PT type
lb)
PD
type
Copper bar
/'
(Note) The following figures show the relationship bet-
ween the terminal symbols and circuit diagram of
the above diode stack.
(ii) Check the electric continuity of each two terminals
in accordance with the criterion list and check that
the diode stack is good or no good.
(First,
check the electric continuity between P and
N-1
(i)
Remove the leads which are
b
h
nals P and N.
connected to the
termi-
-68-
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