Tektronix DM505 Instruction Manual page 60

IED BLOCK DIAGRAM
Section 8-DM 505
I
LTS, kR
d
STROBE
DC
n
CONVERTER
BCD
Dl SPLAY
4
0
AC
CLOCK
FLOAT1 NG
25 VAC SUPPLY
f15.75 V
138 +5
V
-12
v
Fig. a-1.